diff options
20 files changed, 4376 insertions, 0 deletions
diff --git a/configs/autoconf.in b/configs/autoconf.in index 49c009052b..c6d315e4d2 100644 --- a/configs/autoconf.in +++ b/configs/autoconf.in @@ -84,6 +84,7 @@ PROGRAM_DIRS = @PROGRAM_DIRS@ # Driver specific build vars DRI_DIRS = @DRI_DIRS@ WINDOW_SYSTEM = @WINDOW_SYSTEM@ +EGL_DISPLAYS = @EGL_DISPLAYS@ USING_EGL = @USING_EGL@ # Dependencies diff --git a/configs/default b/configs/default index f5a4bc195f..8b4557d26a 100644 --- a/configs/default +++ b/configs/default @@ -104,6 +104,8 @@ GALLIUM_WINSYS_DIRS = xlib egl_xlib GALLIUM_WINSYS_DRM_DIRS = GALLIUM_STATE_TRACKERS_DIRS = glx +# native displays EGL should support +EGL_DISPLAYS = x11 # Library dependencies #EXTRA_LIB_PATH ?= diff --git a/configure.ac b/configure.ac index b388723113..8a8919b137 100644 --- a/configure.ac +++ b/configure.ac @@ -1191,6 +1191,35 @@ yes) ;; esac +AC_ARG_WITH([egl-displays], + [AS_HELP_STRING([--with-egl-displays@<:@=DIRS...@:>@], + [comma delimited native displays libEGL supports, e.g. + "x11" @<:@default=auto@:>@])], + [with_egl_displays="$withval"], + [with_egl_displays=yes]) + +EGL_DISPLAYS="" +case "$with_egl_displays" in +yes) + if test "x$enable_egl" = xyes && test "x$mesa_driver" != xosmesa; then + EGL_DISPLAYS="x11" + fi + ;; +*) + if test "x$enable_egl" != xyes; then + AC_MSG_ERROR([cannot build egl state tracker without EGL library]) + fi + # verify the requested driver directories exist + egl_displays=`IFS=', '; echo $with_egl_displays` + for dpy in $egl_displays; do + test -d "$srcdir/src/gallium/state_trackers/egl_g3d/$dpy" || \ + AC_MSG_ERROR([EGL display '$dpy' does't exist]) + done + EGL_DISPLAYS="$egl_displays" + ;; +esac +AC_SUBST([EGL_DISPLAYS]) + AC_ARG_WITH([xorg-driver-dir], [AS_HELP_STRING([--with-xorg-driver-dir=DIR], [Default xorg driver directory[[default=${libdir}/xorg/modules/drivers]]])], diff --git a/src/gallium/state_trackers/egl_g3d/Makefile b/src/gallium/state_trackers/egl_g3d/Makefile new file mode 100644 index 0000000000..213eb3e815 --- /dev/null +++ b/src/gallium/state_trackers/egl_g3d/Makefile @@ -0,0 +1,72 @@ +TOP = ../../../.. +include $(TOP)/configs/current + +common_INCLUDES = \ + -I. \ + -I$(TOP)/src/gallium/include \ + -I$(TOP)/src/gallium/auxiliary \ + -I$(TOP)/src/egl/main \ + -I$(TOP)/include + +common_SOURCES = $(wildcard common/*.c) +common_OBJECTS = $(common_SOURCES:.c=.o) + + +x11_INCLUDES = \ + -I$(TOP)/src/gallium/drivers \ + -I$(TOP)/src/glx/x11 \ + -I$(TOP)/src/mesa \ + $(shell pkg-config --cflags-only-I libdrm) + +x11_SOURCES = $(wildcard x11/*.c) $(TOP)/src/glx/x11/dri2.c +x11_OBJECTS = $(x11_SOURCES:.c=.o) + + +kms_INCLUDES = $(shell pkg-config --cflags-only-I libdrm) +kms_SOURCES = $(wildcard kms/*.c) +kms_OBJECTS = $(kms_SOURCES:.c=.o) + + +ALL_INCLUDES = $(common_INCLUDES) $(x11_INCLUDES) $(kms_INCLUDES) +ALL_SOURCES = $(common_SOURCES) $(x11_SOURCES) $(kms_SOURCES) +ALL_OBJECTS = $(common_OBJECTS) $(x11_OBJECTS) $(kms_OBJECTS) + +##### TARGETS ##### + +EGL_DISPLAYS_MODS = $(foreach dpy, $(EGL_DISPLAYS), libegl$(dpy).a) + +default: depend $(EGL_DISPLAYS_MODS) + + +libeglx11.a: $(x11_OBJECTS) $(common_OBJECTS) Makefile + $(MKLIB) -o eglx11 -static $(x11_OBJECTS) $(common_OBJECTS) + +libeglkms.a: $(kms_OBJECTS) $(common_OBJECTS) Makefile + $(MKLIB) -o eglkms -static $(kms_OBJECTS) $(common_OBJECTS) + +depend: + rm -f depend + touch depend + $(MKDEP) $(MKDEP_OPTIONS) $(ALL_INCLUDES) $(ALL_SOURCES) 2> /dev/null + +clean: + rm -f $(ALL_OBJECTS) + rm -f $(EGL_DISPLAYS_MODS) + rm -f depend depend.bak + +# Dummy target +install: + @echo -n "" + +##### RULES ##### + +$(common_OBJECTS): %.o: %.c + $(CC) -c $(common_INCLUDES) $(DEFINES) $(CFLAGS) $< -o $@ + +$(x11_OBJECTS): %.o: %.c + $(CC) -c $(common_INCLUDES) $(x11_INCLUDES) $(DEFINES) $(CFLAGS) $< -o $@ + +$(kms_OBJECTS): %.o: %.c + $(CC) -c $(common_INCLUDES) $(kms_INCLUDES) $(DEFINES) $(CFLAGS) $< -o $@ + +sinclude depend diff --git a/src/gallium/state_trackers/egl_g3d/common/egl_g3d.c b/src/gallium/state_trackers/egl_g3d/common/egl_g3d.c new file mode 100644 index 0000000000..f4a58f77eb --- /dev/null +++ b/src/gallium/state_trackers/egl_g3d/common/egl_g3d.c @@ -0,0 +1,921 @@ +/* + * Mesa 3-D graphics library + * Version: 7.8 + * + * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include <assert.h> +#include <string.h> +#include "util/u_memory.h" +#include "egldriver.h" +#include "eglcurrent.h" +#include "eglconfigutil.h" +#include "egllog.h" + +#include "native.h" +#include "egl_g3d.h" +#include "egl_st.h" + +/** + * Validate the draw/read surfaces of the context. + */ +static void +egl_g3d_validate_context(_EGLDisplay *dpy, _EGLContext *ctx) +{ + struct egl_g3d_display *gdpy = egl_g3d_display(dpy); + struct pipe_screen *screen = gdpy->native->screen; + struct egl_g3d_context *gctx = egl_g3d_context(ctx); + EGLint num_surfaces; + EGLint s, i; + + /* validate draw and/or read buffers */ + num_surfaces = (gctx->base.ReadSurface == gctx->base.DrawSurface) ? 1 : 2; + for (s = 0; s < num_surfaces; s++) { + struct pipe_texture *textures[NUM_NATIVE_ATTACHMENTS]; + struct egl_g3d_surface *gsurf; + struct egl_g3d_buffer *gbuf; + + if (s == 0) { + gsurf = egl_g3d_surface(gctx->base.DrawSurface); + gbuf = &gctx->draw; + } + else { + gsurf = egl_g3d_surface(gctx->base.ReadSurface); + gbuf = &gctx->read; + } + + if (!gctx->force_validate) { + EGLint cur_w, cur_h; + + cur_w = gsurf->base.Width; + cur_h = gsurf->base.Height; + gsurf->native->validate(gsurf->native, + gbuf->native_atts, gbuf->num_atts, + NULL, + &gsurf->base.Width, &gsurf->base.Height); + /* validate only when the geometry changed */ + if (gsurf->base.Width == cur_w && gsurf->base.Height == cur_h) + continue; + } + + gsurf->native->validate(gsurf->native, + gbuf->native_atts, gbuf->num_atts, + (struct pipe_texture **) textures, + &gsurf->base.Width, &gsurf->base.Height); + for (i = 0; i < gbuf->num_atts; i++) { + struct pipe_texture *pt = textures[i]; + struct pipe_surface *ps; + + if (pt) { + ps = screen->get_tex_surface(screen, pt, 0, 0, 0, + PIPE_BUFFER_USAGE_GPU_READ | + PIPE_BUFFER_USAGE_GPU_WRITE); + gctx->stapi->st_set_framebuffer_surface(gbuf->st_fb, + gbuf->st_atts[i], ps); + + if (gbuf->native_atts[i] == gsurf->render_att) + pipe_surface_reference(&gsurf->render_surface, ps); + + pipe_surface_reference(&ps, NULL); + pipe_texture_reference(&pt, NULL); + } + } + + gctx->stapi->st_resize_framebuffer(gbuf->st_fb, + gsurf->base.Width, gsurf->base.Height); + } + + gctx->force_validate = EGL_FALSE; + +} + +/** + * Create a st_framebuffer. + */ +static struct st_framebuffer * +create_framebuffer(_EGLContext *ctx, _EGLSurface *surf) +{ + struct egl_g3d_context *gctx = egl_g3d_context(ctx); + struct egl_g3d_surface *gsurf = egl_g3d_surface(surf); + struct egl_g3d_config *gconf = egl_g3d_config(gsurf->base.Config); + + return gctx->stapi->st_create_framebuffer(&gconf->native->mode, + gconf->native->color_format, gconf->native->depth_format, + gconf->native->stencil_format, + gsurf->base.Width, gsurf->base.Height, &gsurf->base); +} + +/** + * Update the attachments of draw/read surfaces. + */ +static void +egl_g3d_route_context(_EGLDisplay *dpy, _EGLContext *ctx) +{ + struct egl_g3d_context *gctx = egl_g3d_context(ctx); + const uint st_att_map[NUM_NATIVE_ATTACHMENTS] = { + ST_SURFACE_FRONT_LEFT, + ST_SURFACE_BACK_LEFT, + ST_SURFACE_FRONT_RIGHT, + ST_SURFACE_BACK_RIGHT, + }; + EGLint s, i; + + /* route draw and read buffers' attachments */ + for (s = 0; s < 2; s++) { + struct egl_g3d_surface *gsurf; + struct egl_g3d_buffer *gbuf; + + if (s == 0) { + gsurf = egl_g3d_surface(gctx->base.DrawSurface); + gbuf = &gctx->draw; + } + else { + gsurf = egl_g3d_surface(gctx->base.ReadSurface); + gbuf = &gctx->read; + } + + gbuf->native_atts[0] = gsurf->render_att; + gbuf->num_atts = 1; + + for (i = 0; i < gbuf->num_atts; i++) + gbuf->st_atts[i] = st_att_map[gbuf->native_atts[i]]; + + /* FIXME OpenGL defaults to draw the front or back buffer when the + * context is single-buffered or double-buffered respectively. In EGL, + * however, the buffer to be drawn is determined by the surface, instead + * of the context. As a result, rendering to a pixmap surface with a + * double-buffered context does not work as expected. + * + * gctx->stapi->st_draw_front_buffer(gctx->st_ctx, natt == + * NATIVE_ATTACHMENT_FRONT_LEFT); + */ + + /* + * FIXME If the back buffer is asked for here, and the front buffer is + * later needed by the client API (e.g. glDrawBuffer is called to draw + * the front buffer), it will create a new pipe texture and draw there. + * One fix is to ask for both buffers here, but it would be a waste if + * the front buffer is never used. A better fix is to add a callback to + * the pipe screen with context private (just like flush_frontbuffer). + */ + } +} + +/** + * Reallocate the context's framebuffers after draw/read surfaces change. + */ +static EGLBoolean +egl_g3d_realloc_context(_EGLDisplay *dpy, _EGLContext *ctx) +{ + struct egl_g3d_context *gctx = egl_g3d_context(ctx); + struct egl_g3d_surface *gdraw = egl_g3d_surface(gctx->base.DrawSurface); + struct egl_g3d_surface *gread = egl_g3d_surface(gctx->base.ReadSurface); + + /* unreference the old framebuffers */ + if (gctx->draw.st_fb) { + EGLBoolean is_equal = (gctx->draw.st_fb == gctx->read.st_fb); + void *priv; + + priv = gctx->stapi->st_framebuffer_private(gctx->draw.st_fb); + if (!gdraw || priv != (void *) &gdraw->base) { + gctx->stapi->st_unreference_framebuffer(gctx->draw.st_fb); + gctx->draw.st_fb = NULL; + gctx->draw.num_atts = 0; + } + + if (is_equal) { + gctx->read.st_fb = NULL; + gctx->draw.num_atts = 0; + } + else { + priv = gctx->stapi->st_framebuffer_private(gctx->read.st_fb); + if (!gread || priv != (void *) &gread->base) { + gctx->stapi->st_unreference_framebuffer(gctx->read.st_fb); + gctx->read.st_fb = NULL; + gctx->draw.num_atts = 0; + } + } + } + + if (!gdraw) + return EGL_TRUE; + + /* create the draw fb */ + if (!gctx->draw.st_fb) { + gctx->draw.st_fb = create_framebuffer(&gctx->base, &gdraw->base); + if (!gctx->draw.st_fb) + return EGL_FALSE; + } + + /* create the read fb */ + if (!gctx->read.st_fb) { + if (gread != gdraw) { + gctx->read.st_fb = create_framebuffer(&gctx->base, &gread->base); + if (!gctx->read.st_fb) { + gctx->stapi->st_unreference_framebuffer(gctx->draw.st_fb); + gctx->draw.st_fb = NULL; + return EGL_FALSE; + } + } + else { + /* there is no st_reference_framebuffer... */ + gctx->read.st_fb = gctx->draw.st_fb; + } + } + + egl_g3d_route_context(dpy, &gctx->base); + gctx->force_validate = EGL_TRUE; + + return EGL_TRUE; +} + +/** + * Return the current context of the given API. + */ +static struct egl_g3d_context * +egl_g3d_get_current_context(EGLint api) +{ + _EGLThreadInfo *t = _eglGetCurrentThread(); + EGLint api_index = _eglConvertApiToIndex(api); + return egl_g3d_context(t->CurrentContexts[api_index]); +} + +/** + * Return the state tracker for the given context. + */ +static const struct egl_g3d_st * +egl_g3d_choose_st(_EGLDriver *drv, _EGLContext *ctx) +{ + struct egl_g3d_driver *gdrv = egl_g3d_driver(drv); + const struct egl_g3d_st *stapi; + EGLint idx = -1; + + switch (ctx->ClientAPI) { + case EGL_OPENGL_ES_API: + switch (ctx->ClientVersion) { + case 1: + idx = EGL_G3D_ST_OPENGL_ES; + break; + case 2: + idx = EGL_G3D_ST_OPENGL_ES2; + break; + default: + _eglLog(_EGL_WARNING, "unknown client version %d", + ctx->ClientVersion); + break; + } + break; + case EGL_OPENVG_API: + idx = EGL_G3D_ST_OPENVG; + break; + case EGL_OPENGL_API: + idx = EGL_G3D_ST_OPENGL; + break; + default: + _eglLog(_EGL_WARNING, "unknown client API 0x%04x", ctx->ClientAPI); + break; + } + + stapi = (idx >= 0) ? gdrv->stapis[idx] : NULL; + return stapi; +} + +/** + * Return an API mask that consists of the state trackers that supports the + * given mode. + * + * FIXME add st_is_mode_supported()? + */ +static EGLint +get_mode_api_mask(const __GLcontextModes *mode, EGLint api_mask) +{ + EGLint check; + + /* OpenGL ES 1.x and 2.x are checked together */ + check = EGL_OPENGL_ES_BIT | EGL_OPENGL_ES2_BIT; + if (api_mask & check) { + /* this is required by EGL, not by OpenGL ES */ + if (mode->drawableType & GLX_WINDOW_BIT && !mode->doubleBufferMode) + api_mask &= ~check; + } + + check = EGL_OPENVG_BIT; + if (api_mask & check) { + /* vega st needs the depth/stencil rb */ + if (!mode->depthBits && !mode->stencilBits) + api_mask &= ~check; + } + + return api_mask; +} + +/** + * Add configs to display and return the next config ID. + */ +static EGLint +egl_g3d_add_configs(_EGLDriver *drv, _EGLDisplay *dpy, EGLint id) +{ + struct egl_g3d_driver *gdrv = egl_g3d_driver(drv); + struct egl_g3d_display *gdpy = egl_g3d_display(dpy); + const struct native_config **native_configs; + int num_configs, i; + + native_configs = gdpy->native->get_configs(gdpy->native, + &num_configs); + if (!num_configs) { + if (native_configs) + free(native_configs); + return id; + } + + for (i = 0; i < num_configs; i++) { + EGLint api_mask; + struct egl_g3d_config *gconf; + EGLBoolean valid; + + api_mask = get_mode_api_mask(&native_configs[i]->mode, gdrv->api_mask); + if (!api_mask) { + _eglLog(_EGL_DEBUG, "no state tracker supports config 0x%x", + native_configs[i]->mode.visualID); + continue; + } + + gconf = CALLOC_STRUCT(egl_g3d_config); + if (!gconf) + continue; + + _eglInitConfig(&gconf->base, id); + valid = _eglConfigFromContextModesRec(&gconf->base, + &native_configs[i]->mode, api_mask, api_mask); + if (valid) + valid = _eglValidateConfig(&gconf->base, EGL_FALSE); + if (!valid) { + _eglLog(_EGL_DEBUG, "skip invalid config 0x%x", + native_configs[i]->mode.visualID); + free(gconf); + continue; + } + + gconf->native = native_configs[i]; + _eglAddConfig(dpy, &gconf->base); + id++; + } + + free(native_configs); + return id; +} + +/** + * Flush the front buffer of the context's draw surface. + */ +static void +egl_g3d_flush_frontbuffer(void *dummy, struct pipe_surface *surf, + void *context_private) +{ + struct egl_g3d_context *gctx = egl_g3d_context(context_private); + struct egl_g3d_surface *gsurf = egl_g3d_surface(gctx->base.DrawSurface); + + if (gsurf) { + gsurf->native->flush_frontbuffer(gsurf->native); + egl_g3d_validate_context(gctx->base.Display, &gctx->base); + } +} + +static EGLBoolean +egl_g3d_terminate(_EGLDriver *drv, _EGLDisplay *dpy) +{ + struct egl_g3d_display *gdpy = egl_g3d_display(dpy); + + _eglReleaseDisplayResources(drv, dpy); + _eglCleanupDisplay(dpy); + + if (gdpy->native) + gdpy->native->destroy(gdpy->native); + + free(gdpy); + dpy->DriverData = NULL; + + return EGL_TRUE; +} + +static EGLBoolean +egl_g3d_initialize(_EGLDriver *drv, _EGLDisplay *dpy, + EGLint *major, EGLint *minor) +{ + struct egl_g3d_driver *gdrv = egl_g3d_driver(drv); + struct egl_g3d_display *gdpy; + + gdpy = CALLOC_STRUCT(egl_g3d_display); + if (!gdpy) { + _eglError(EGL_BAD_ALLOC, "eglInitialize"); + goto fail; + } + dpy->DriverData = gdpy; + + gdpy->native = + native_create_display(dpy->NativeDisplay, egl_g3d_flush_frontbuffer); + if (!gdpy->native) { + _eglError(EGL_NOT_INITIALIZED, "eglInitialize(no usable display)"); + goto fail; + } + + dpy->ClientAPIsMask = gdrv->api_mask; + + if (egl_g3d_add_configs(drv, dpy, 1) == 1) { + _eglError(EGL_NOT_INITIALIZED, "eglInitialize(unable to add configs)"); + goto fail; + } + + *major = 1; + *minor = 4; + + return EGL_TRUE; + +fail: + if (gdpy) + egl_g3d_terminate(drv, dpy); + return EGL_FALSE; +} + +static _EGLContext * +egl_g3d_create_context(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, + _EGLContext *share, const EGLint *attribs) +{ + struct egl_g3d_display *gdpy = egl_g3d_display(dpy); + struct egl_g3d_context *xshare = egl_g3d_context(share); + struct egl_g3d_config *gconf = egl_g3d_config(conf); + struct egl_g3d_context *gctx; + const __GLcontextModes *mode; + + gctx = CALLOC_STRUCT(egl_g3d_context); + if (!gctx) { + _eglError(EGL_BAD_ALLOC, "eglCreateContext"); + return NULL; + } + + if (!_eglInitContext(drv, &gctx->base, conf, attribs)) { + free(gctx); + return NULL; + } + + gctx->stapi = egl_g3d_choose_st(drv, &gctx->base); + if (!gctx->stapi) { + free(gctx); + return NULL; + } + + mode = &gconf->native->mode; + gctx->pipe = + gdpy->native->create_context(gdpy->native, (void *) &gctx->base); + gctx->st_ctx = gctx->stapi->st_create_context(gctx->pipe, mode, + (xshare) ? xshare->st_ctx : NULL); + + return &gctx->base; +} + +static EGLBoolean +egl_g3d_destroy_context(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx) +{ + struct egl_g3d_context *gctx = egl_g3d_context(ctx); + + if (_eglIsContextBound(&gctx->base)) + return EGL_TRUE; + + egl_g3d_realloc_context(dpy, &gctx->base); + + /* it will destroy pipe context */ + gctx->stapi->st_destroy_context(gctx->st_ctx); + + free(gctx); + + return EGL_TRUE; +} + +static _EGLSurface * +egl_g3d_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy, + _EGLConfig *conf, EGLNativeWindowType win, + const EGLint *attribs) +{ + struct egl_g3d_display *gdpy = egl_g3d_display(dpy); + struct egl_g3d_config *gconf = egl_g3d_config(conf); + struct egl_g3d_surface *gsurf; + + gsurf = CALLOC_STRUCT(egl_g3d_surface); + if (!gsurf) { + _eglError(EGL_BAD_ALLOC, "eglCreateWindowSurface"); + return NULL; + } + + if (!_eglInitSurface(drv, &gsurf->base, EGL_WINDOW_BIT, conf, attribs)) { + free(gsurf); + return NULL; + } + + gsurf->native = + gdpy->native->create_window_surface(gdpy->native, win, gconf->native); + if (!gsurf->native) { + free(gsurf); + return NULL; + } + + if (!gsurf->native->validate(gsurf->native, NULL, 0, NULL, + &gsurf->base.Width, &gsurf->base.Height)) { + gsurf->native->destroy(gsurf->native); + free(gsurf); + return NULL; + } + + gsurf->render_att = (gsurf->base.RenderBuffer == EGL_SINGLE_BUFFER || + !gconf->native->mode.doubleBufferMode) ? + NATIVE_ATTACHMENT_FRONT_LEFT : NATIVE_ATTACHMENT_BACK_LEFT; + + return &gsurf->base; +} + +static _EGLSurface * +egl_g3d_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy, + _EGLConfig *conf, EGLNativePixmapType pix, + const EGLint *attribs) +{ + struct egl_g3d_display *gdpy = egl_g3d_display(dpy); + struct egl_g3d_config *gconf = egl_g3d_config(conf); + struct egl_g3d_surface *gsurf; + + gsurf = CALLOC_STRUCT(egl_g3d_surface); + if (!gsurf) { + _eglError(EGL_BAD_ALLOC, "eglCreatePixmapSurface"); + return NULL; + } + + if (!_eglInitSurface(drv, &gsurf->base, EGL_PIXMAP_BIT, conf, attribs)) { + free(gsurf); + return NULL; + } + + gsurf->native = + gdpy->native->create_pixmap_surface(gdpy->native, pix, gconf->native); + if (!gsurf->native) { + free(gsurf); + return NULL; + } + + if (!gsurf->native->validate(gsurf->native, NULL, 0, NULL, + &gsurf->base.Width, &gsurf->base.Height)) { + gsurf->native->destroy(gsurf->native); + free(gsurf); + return NULL; + } + + gsurf->render_att = NATIVE_ATTACHMENT_FRONT_LEFT; + + return &gsurf->base; +} + +static _EGLSurface * +egl_g3d_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy, + _EGLConfig *conf, const EGLint *attribs) +{ + struct egl_g3d_display *gdpy = egl_g3d_display(dpy); + struct egl_g3d_config *gconf = egl_g3d_config(conf); + struct egl_g3d_surface *gsurf; + + gsurf = CALLOC_STRUCT(egl_g3d_surface); + if (!gsurf) { + _eglError(EGL_BAD_ALLOC, "eglCreatePbufferSurface"); + return NULL; + } + + if (!_eglInitSurface(drv, &gsurf->base, EGL_PBUFFER_BIT, conf, attribs)) { + free(gsurf); + return NULL; + } + + gsurf->native = + gdpy->native->create_pbuffer_surface(gdpy->native, gconf->native, + gsurf->base.Width, gsurf->base.Height); + if (!gsurf->native) { + free(gsurf); + return NULL; + } + + gsurf->render_att = (!gconf->native->mode.doubleBufferMode) ? + NATIVE_ATTACHMENT_FRONT_LEFT : NATIVE_ATTACHMENT_BACK_LEFT; + + return &gsurf->base; +} + +static EGLBoolean +egl_g3d_destroy_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf) +{ + struct egl_g3d_surface *gsurf = egl_g3d_surface(surf); + + if (_eglIsSurfaceBound(&gsurf->base)) + return EGL_TRUE; + + pipe_surface_reference(&gsurf->render_surface, NULL); + gsurf->native->destroy(gsurf->native); + free(gsurf); + return EGL_TRUE; +} + +static EGLBoolean +egl_g3d_make_current(_EGLDriver *drv, _EGLDisplay *dpy, + _EGLSurface *draw, _EGLSurface *read, _EGLContext *ctx) +{ + struct egl_g3d_context *gctx = egl_g3d_context(ctx); + struct egl_g3d_context *old_gctx; + EGLint api; + EGLBoolean ok = EGL_TRUE; + + /* find the old context */ + api = (gctx) ? gctx->base.ClientAPI : eglQueryAPI(); + old_gctx = egl_g3d_get_current_context(api); + if (old_gctx && !_eglIsContextLinked(&old_gctx->base)) + old_gctx = NULL; + + if (!_eglMakeCurrent(drv, dpy, draw, read, ctx)) + return EGL_FALSE; + + if (old_gctx) { + /* flush old context */ + old_gctx->stapi->st_flush(old_gctx->st_ctx, + PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL); + + /* + * The old context is no longer current, and egl_g3d_realloc_context() + * should be called to destroy the framebuffers. However, it is possible + * that it will be made current again with the same draw/read surfaces. + * It might be better to keep it around. + */ + } + + if (gctx) { + struct egl_g3d_surface *gdraw = egl_g3d_surface(draw); + + ok = egl_g3d_realloc_context(dpy, &gctx->base); + if (ok) { + ok = gctx->stapi->st_make_current(gctx->st_ctx, + gctx->draw.st_fb, gctx->read.st_fb); + if (ok) { + egl_g3d_validate_context(dpy, &gctx->base); + if (gdraw->base.Type == EGL_WINDOW_BIT) { + gctx->base.WindowRenderBuffer = + (gdraw->render_att == NATIVE_ATTACHMENT_FRONT_LEFT) ? + EGL_SINGLE_BUFFER : EGL_BACK_BUFFER; + } + } + } + } + else if (old_gctx) { + ok = old_gctx->stapi->st_make_current(NULL, NULL, NULL); + old_gctx->base.WindowRenderBuffer = EGL_NONE; + } + + return ok; +} + +static EGLBoolean +egl_g3d_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf) +{ + struct egl_g3d_surface *gsurf = egl_g3d_surface(surf); + _EGLContext *ctx = _eglGetCurrentContext(); + struct egl_g3d_context *gctx = NULL; + + /* no-op for pixmap or pbuffer surface */ + if (gsurf->base.Type == EGL_PIXMAP_BIT || + gsurf->base.Type == EGL_PBUFFER_BIT) + return EGL_TRUE; + + /* or when the surface is single-buffered */ + if (gsurf->render_att == NATIVE_ATTACHMENT_FRONT_LEFT) + return EGL_TRUE; + + if (ctx && ctx->DrawSurface == surf) + gctx = egl_g3d_context(ctx); + + /* flush if the surface is current */ + if (gctx) + gctx->stapi->st_notify_swapbuffers(gctx->draw.st_fb); + + /* + * We drew on the back buffer, unless there was no back buffer. + * In that case, we drew on the front buffer. Either case, we call + * swap_buffers. + */ + if (!gsurf->native->swap_buffers(gsurf->native)) + return EGL_FALSE; + + if (gctx) { + struct egl_g3d_config *gconf = egl_g3d_config(gsurf->base.Config); + + /* force validation if the swap method is not copy */ + if (gconf->native->mode.swapMethod != GLX_SWAP_COPY_OML) + gctx->force_validate = EGL_TRUE; + egl_g3d_validate_context(dpy, &gctx->base); + } + + return EGL_TRUE; +} + +static EGLBoolean +egl_g3d_wait_client(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx) +{ + struct egl_g3d_context *gctx = egl_g3d_context(ctx); + gctx->stapi->st_finish(gctx->st_ctx); + return EGL_TRUE; +} + +static EGLBoolean +egl_g3d_wait_native(_EGLDriver *drv, _EGLDisplay *dpy, EGLint engine) +{ + _EGLSurface *surf = _eglGetCurrentSurface(EGL_DRAW); + struct egl_g3d_surface *gsurf = egl_g3d_surface(surf); + + if (engine != EGL_CORE_NATIVE_ENGINE) + return _eglError(EGL_BAD_PARAMETER, "eglWaitNative"); + + if (gsurf) + gsurf->native->wait(gsurf->native); + + return EGL_TRUE; +} + +static _EGLProc +egl_g3d_get_proc_address(const char *procname) +{ + /* FIXME how come _EGLDriver is not passed? */ + const struct egl_g3d_st *stapi; + _EGLProc proc; + EGLint i; + + for (i = 0; i < NUM_EGL_G3D_STS; i++) { + stapi = egl_g3d_get_st(i); + if (stapi) { + proc = (_EGLProc) stapi->st_get_proc_address(procname); + if (proc) + return proc; + } + } + + return (_EGLProc) NULL; +} + +static EGLBoolean +egl_g3d_bind_tex_image(_EGLDriver *drv, _EGLDisplay *dpy, + _EGLSurface *surf, EGLint buffer) +{ + struct egl_g3d_surface *gsurf = egl_g3d_surface(surf); + struct egl_g3d_context *gctx; + enum pipe_format target_format; + int target; + + if (!gsurf || gsurf->base.Type != EGL_PBUFFER_BIT) + return _eglError(EGL_BAD_SURFACE, "eglBindTexImage"); + if (buffer != EGL_BACK_BUFFER) + return _eglError(EGL_BAD_PARAMETER, "eglBindTexImage"); + if (gsurf->base.BoundToTexture) + return _eglError(EGL_BAD_ACCESS, "eglBindTexImage"); + + switch (gsurf->base.TextureFormat) { + case EGL_TEXTURE_RGB: + target_format = PIPE_FORMAT_R8G8B8_UNORM; + break; + case EGL_TEXTURE_RGBA: + target_format = PIPE_FORMAT_A8R8G8B8_UNORM; + break; + default: + return _eglError(EGL_BAD_MATCH, "eglBindTexImage"); + } + + switch (gsurf->base.TextureTarget) { + case EGL_TEXTURE_2D: + target = ST_TEXTURE_2D; + break; + default: + return _eglError(EGL_BAD_MATCH, "eglBindTexImage"); + } + + /* flush properly if the surface is bound */ + if (gsurf->base.Binding) { + gctx = egl_g3d_context(gsurf->base.Binding); + gctx->stapi->st_flush(gctx->st_ctx, + PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL); + } + + /* XXX change to EGL_OPENGL_ES_API once OpenGL ES is merged */ + gctx = egl_g3d_get_current_context(EGL_OPENGL_API); + if (gctx) { + if (!gsurf->render_surface) + return EGL_FALSE; + + gctx->stapi->st_bind_texture_surface(gsurf->render_surface, + target, gsurf->base.MipmapLevel, target_format); + gsurf->base.BoundToTexture = EGL_TRUE; + } + + return EGL_TRUE; +} + +static EGLBoolean +egl_g3d_release_tex_image(_EGLDriver *drv, _EGLDisplay *dpy, + _EGLSurface *surf, EGLint buffer) +{ + struct egl_g3d_surface *gsurf = egl_g3d_surface(surf); + + if (!gsurf || gsurf->base.Type != EGL_PBUFFER_BIT || + !gsurf->base.BoundToTexture) + return _eglError(EGL_BAD_SURFACE, "eglReleaseTexImage"); + if (buffer != EGL_BACK_BUFFER) + return _eglError(EGL_BAD_PARAMETER, "eglReleaseTexImage"); + + if (gsurf->render_surface) { + _EGLThreadInfo *t = _eglGetCurrentThread(); + /* XXX change to EGL_OPENGL_ES_API once OpenGL ES is merged */ + struct egl_g3d_context *gctx = egl_g3d_context( + t->CurrentContexts[_eglConvertApiToIndex(EGL_OPENGL_API)]); + + /* what if the context the surface binds to is no longer current? */ + if (gctx) + gctx->stapi->st_unbind_texture_surface(gsurf->render_surface, + ST_TEXTURE_2D, gsurf->base.MipmapLevel); + } + + gsurf->base.BoundToTexture = EGL_FALSE; + + return EGL_TRUE; +} + +static void +egl_g3d_unload(_EGLDriver *drv) +{ + struct egl_g3d_driver *gdrv = egl_g3d_driver(drv); + free(gdrv); +} + +_EGLDriver * +_eglMain(const char *args) +{ + static char driver_name[64]; + struct egl_g3d_driver *gdrv; + EGLint i; + + snprintf(driver_name, sizeof(driver_name), + "Gallium/%s", native_get_name()); + + gdrv = CALLOC_STRUCT(egl_g3d_driver); + if (!gdrv) + return NULL; + + _eglInitDriverFallbacks(&gdrv->base); + + gdrv->base.API.Initialize = egl_g3d_initialize; + gdrv->base.API.Terminate = egl_g3d_terminate; + gdrv->base.API.CreateContext = egl_g3d_create_context; + gdrv->base.API.DestroyContext = egl_g3d_destroy_context; + gdrv->base.API.CreateWindowSurface = egl_g3d_create_window_surface; + gdrv->base.API.CreatePixmapSurface = egl_g3d_create_pixmap_surface; + gdrv->base.API.CreatePbufferSurface = egl_g3d_create_pbuffer_surface; + gdrv->base.API.DestroySurface = egl_g3d_destroy_surface; + gdrv->base.API.MakeCurrent = egl_g3d_make_current; + gdrv->base.API.SwapBuffers = egl_g3d_swap_buffers; + gdrv->base.API.WaitClient = egl_g3d_wait_client; + gdrv->base.API.WaitNative = egl_g3d_wait_native; + gdrv->base.API.GetProcAddress = egl_g3d_get_proc_address; + + gdrv->base.API.BindTexImage = egl_g3d_bind_tex_image; + gdrv->base.API.ReleaseTexImage = egl_g3d_release_tex_image; + + gdrv->base.Name = driver_name; + gdrv->base.Unload = egl_g3d_unload; + + for (i = 0; i < NUM_EGL_G3D_STS; i++) { + gdrv->stapis[i] = egl_g3d_get_st(i); + if (gdrv->stapis[i]) + gdrv->api_mask |= gdrv->stapis[i]->api_bit; + } + + if (gdrv->api_mask) + _eglLog(_EGL_DEBUG, "Driver API mask: 0x%x", gdrv->api_mask); + else + _eglLog(_EGL_WARNING, "No supported client API"); + + return &gdrv->base; +} diff --git a/src/gallium/state_trackers/egl_g3d/common/egl_g3d.h b/src/gallium/state_trackers/egl_g3d/common/egl_g3d.h new file mode 100644 index 0000000000..525bb488e2 --- /dev/null +++ b/src/gallium/state_trackers/egl_g3d/common/egl_g3d.h @@ -0,0 +1,113 @@ +/* + * Mesa 3-D graphics library + * Version: 7.8 + * + * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef _EGL_G3D_H_ +#define _EGL_G3D_H_ + +#include "pipe/p_compiler.h" +#include "pipe/p_screen.h" +#include "pipe/p_context.h" +#include "pipe/p_format.h" +#include "egldriver.h" +#include "egldisplay.h" +#include "eglcontext.h" +#include "eglsurface.h" +#include "eglconfig.h" + +#include "native.h" +#include "egl_st.h" + +struct egl_g3d_driver { + _EGLDriver base; + const struct egl_g3d_st *stapis[NUM_EGL_G3D_STS]; + EGLint api_mask; +}; + +struct egl_g3d_display { + struct native_display *native; +}; + +struct egl_g3d_buffer { + struct st_framebuffer *st_fb; + EGLint num_atts; + enum native_attachment native_atts[NUM_NATIVE_ATTACHMENTS]; + uint st_atts[NUM_NATIVE_ATTACHMENTS]; +}; + +struct egl_g3d_context { + _EGLContext base; + + const struct egl_g3d_st *stapi; + struct pipe_context *pipe; + + struct st_context *st_ctx; + EGLBoolean force_validate; + struct egl_g3d_buffer draw, read; +}; + +struct egl_g3d_surface { + _EGLSurface base; + struct native_surface *native; + enum native_attachment render_att; + struct pipe_surface *render_surface; +}; + +struct egl_g3d_config { + _EGLConfig base; + const struct native_config *native; +}; + + +static INLINE struct egl_g3d_driver * +egl_g3d_driver(_EGLDriver *drv) +{ + return (struct egl_g3d_driver *) drv; +} + +static INLINE struct egl_g3d_display * +egl_g3d_display(_EGLDisplay *dpy) +{ + /* note that it is not direct casting */ + return (struct egl_g3d_display *) dpy->DriverData; +} + +static INLINE struct egl_g3d_context * +egl_g3d_context(_EGLContext *ctx) +{ + return (struct egl_g3d_context *) ctx; +} + +static INLINE struct egl_g3d_surface * +egl_g3d_surface(_EGLSurface *surf) +{ + return (struct egl_g3d_surface *) surf; +} + +static INLINE struct egl_g3d_config * +egl_g3d_config(_EGLConfig *conf) +{ + return (struct egl_g3d_config *) conf; +} + +#endif /* _EGL_G3D_H_ */ diff --git a/src/gallium/state_trackers/egl_g3d/common/egl_st.c b/src/gallium/state_trackers/egl_g3d/common/egl_st.c new file mode 100644 index 0000000000..a88ff911cd --- /dev/null +++ b/src/gallium/state_trackers/egl_g3d/common/egl_st.c @@ -0,0 +1,131 @@ +/* + * Mesa 3-D graphics library + * Version: 7.8 + * + * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include <dlfcn.h> +#include "pipe/p_compiler.h" +#include "util/u_memory.h" +#include "egllog.h" +#include "EGL/egl.h" /* for EGL_api_BIT */ + +#include "egl_st.h" + +#ifndef HAVE_DLADDR +#define HAVE_DLADDR 1 +#endif + +#if HAVE_DLADDR + +static const char * +egl_g3d_st_names[] = { +#define ST_PUBLIC(name, ...) #name, +#include "st_public_tmp.h" + NULL +}; + +static boolean +egl_g3d_fill_st(struct egl_g3d_st *stapi, void *sym) +{ + st_proc *procs = (st_proc *) stapi; + void *handle; + Dl_info info; + const char **name; + + if (!dladdr(sym, &info)) + return FALSE; + handle = dlopen(info.dli_fname, RTLD_LAZY | RTLD_LOCAL | RTLD_NODELETE); + if (!handle) + return FALSE; + + for (name = egl_g3d_st_names; *name; name++) { + st_proc proc = (st_proc) dlsym(handle, *name); + if (!proc) { + _eglLog(_EGL_WARNING, "%s is missing in %s", *name, info.dli_fname); + memset(stapi, 0, sizeof(*stapi)); + dlclose(handle); + return FALSE; + } + *procs++ = proc; + } + + dlclose(handle); + return TRUE; +} + +#else /* HAVE_DLADDR */ + +static boolean +egl_g3d_fill_st(struct egl_g3d_st *stapi, void *sym) +{ +#define ST_PUBLIC(name, ...) stapi->name = name; +#include "st_public_tmp.h" + return TRUE; +} + +#endif /* HAVE_DLADDR */ + +static boolean +egl_g3d_init_st(struct egl_g3d_st *stapi, const char *api) +{ + void *handle, *sym; + boolean res = FALSE; + + /* already initialized */ + if (stapi->st_notify_swapbuffers != NULL) + return TRUE; + + handle = dlopen(NULL, RTLD_LAZY | RTLD_LOCAL); + if (!handle) + return FALSE; + + sym = dlsym(handle, api); + if (sym && egl_g3d_fill_st(stapi, sym)) + res = TRUE; + + dlclose(handle); + return res; +} + +static struct { + const char *symbol; + EGLint api_bit; +} egl_g3d_st_info[NUM_EGL_G3D_STS] = { + { "st_api_OpenGL_ES1", EGL_OPENGL_ES_BIT }, + { "st_api_OpenVG", EGL_OPENVG_BIT }, + { "st_api_OpenGL_ES2", EGL_OPENGL_ES2_BIT }, + { "st_api_OpenGL", EGL_OPENGL_BIT }, +}; + +const struct egl_g3d_st * +egl_g3d_get_st(enum egl_g3d_st_api api) +{ + static struct egl_g3d_st all_trackers[NUM_EGL_G3D_STS]; + + if (egl_g3d_init_st(&all_trackers[api], egl_g3d_st_info[api].symbol)) { + all_trackers[api].api_bit = egl_g3d_st_info[api].api_bit; + return &all_trackers[api]; + } + else { + return NULL; + } +} diff --git a/src/gallium/state_trackers/egl_g3d/common/egl_st.h b/src/gallium/state_trackers/egl_g3d/common/egl_st.h new file mode 100644 index 0000000000..8fb464bd3d --- /dev/null +++ b/src/gallium/state_trackers/egl_g3d/common/egl_st.h @@ -0,0 +1,73 @@ +/* + * Mesa 3-D graphics library + * Version: 7.8 + * + * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef _EGL_ST_H_ +#define _EGL_ST_H_ + +#include "GL/gl.h" /* for GL types */ +#include "GL/internal/glcore.h" /* for __GLcontextModes */ + +#include "pipe/p_compiler.h" +#include "pipe/p_format.h" +#include "pipe/p_context.h" + +/* avoid calling st functions directly */ +#if 1 + +#define ST_SURFACE_FRONT_LEFT 0 +#define ST_SURFACE_BACK_LEFT 1 +#define ST_SURFACE_FRONT_RIGHT 2 +#define ST_SURFACE_BACK_RIGHT 3 + +#define ST_TEXTURE_2D 0x2 + +struct st_context; +struct st_framebuffer; +typedef void (*st_proc)(); + +#else +#include "state_tracker/st_public.h" +#endif + +/* remember to update egl_g3d_get_st() when update the enums */ +enum egl_g3d_st_api { + EGL_G3D_ST_OPENGL_ES = 0, + EGL_G3D_ST_OPENVG, + EGL_G3D_ST_OPENGL_ES2, + EGL_G3D_ST_OPENGL, + + NUM_EGL_G3D_STS +}; + +struct egl_g3d_st { +#define ST_PUBLIC(name, ret, ...) ret (*name)(__VA_ARGS__); +#include "st_public_tmp.h" + /* fields must be added here */ + EGLint api_bit; +}; + +const struct egl_g3d_st * +egl_g3d_get_st(enum egl_g3d_st_api api); + +#endif /* _EGL_ST_H_ */ diff --git a/src/gallium/state_trackers/egl_g3d/common/native.h b/src/gallium/state_trackers/egl_g3d/common/native.h new file mode 100644 index 0000000000..34abd86a31 --- /dev/null +++ b/src/gallium/state_trackers/egl_g3d/common/native.h @@ -0,0 +1,168 @@ +/* + * Mesa 3-D graphics library + * Version: 7.8 + * + * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef _NATIVE_H_ +#define _NATIVE_H_ + +#include "EGL/egl.h" /* for EGL native types */ +#include "GL/gl.h" /* for GL types needed by __GLcontextModes */ +#include "GL/internal/glcore.h" /* for __GLcontextModes */ + +#include "pipe/p_compiler.h" +#include "pipe/p_screen.h" +#include "pipe/p_context.h" +#include "pipe/p_state.h" + +/** + * Only color buffers are listed. The others are allocated privately through, + * for example, st_renderbuffer_alloc_storage(). + */ +enum native_attachment { + NATIVE_ATTACHMENT_FRONT_LEFT, + NATIVE_ATTACHMENT_BACK_LEFT, + NATIVE_ATTACHMENT_FRONT_RIGHT, + NATIVE_ATTACHMENT_BACK_RIGHT, + + NUM_NATIVE_ATTACHMENTS +}; + +struct native_surface { + void (*destroy)(struct native_surface *nsurf); + + /** + * Swap the front and back buffers so that the back buffer is visible. It + * is no-op if the surface is single-buffered. The contents of the back + * buffer after swapping may or may not be preserved. + */ + boolean (*swap_buffers)(struct native_surface *nsurf); + + /** + * Make the front buffer visible. In some native displays, changes to the + * front buffer might not be visible immediately and require manual flush. + */ + boolean (*flush_frontbuffer)(struct native_surface *nsurf); + + /** + * Validate the buffers of the surface. Those not listed in the attachments + * will be destroyed. The returned textures are owned by the caller. + */ + boolean (*validate)(struct native_surface *nsurf, + const enum native_attachment *natts, + unsigned num_natts, + struct pipe_texture **textures, + int *width, int *height); + + /** + * Wait until all native commands affecting the surface has been executed. + */ + void (*wait)(struct native_surface *nsurf); +}; + +struct native_config { + __GLcontextModes mode; + enum pipe_format color_format; + enum pipe_format depth_format; + enum pipe_format stencil_format; +}; + +/** + * A pipe winsys abstracts the OS. A pipe screen abstracts the graphcis + * hardware. A native display consists of a pipe winsys, a pipe screen, and + * the native display server. + */ +struct native_display { + struct pipe_screen *screen; + void (*destroy)(struct native_display *ndpy); + + /** + * Get the supported configs. The configs are owned by the display, but + * the returned array should be free()ed. + * + * The configs will be converted to EGL config by + * _eglConfigFromContextModesRec and validated by _eglValidateConfig. + * Those failing to pass the test will be skipped. + */ + const struct native_config **(*get_configs)(struct native_display *ndpy, + int *num_configs); + + /** + * Create a pipe context. + */ + struct pipe_context *(*create_context)(struct native_display *ndpy, + void *context_private); + + /** + * Create a window surface. Required unless no config has GLX_WINDOW_BIT + * set. + */ + struct native_surface *(*create_window_surface)(struct native_display *ndpy, + EGLNativeWindowType win, + const struct native_config *nconf); + + /** + * Create a pixmap surface. Required unless no config has GLX_PIXMAP_BIT + * set. + */ + struct native_surface *(*create_pixmap_surface)(struct native_display *ndpy, + EGLNativePixmapType pix, + const struct native_config *nconf); + + /** + * Create a pbuffer surface. Required unless no config has GLX_PBUFFER_BIT + * set. + */ + struct native_surface *(*create_pbuffer_surface)(struct native_display *ndpy, + const struct native_config *nconf, + uint width, uint height); + +#if 0 + struct native_mode *(*get_modes)(struct native_display *ndpy, + int *num_modes); + + /** + * Create a screen surface. + */ + struct native_surface *(*create_screen_surface)(struct native_display *ndpy, + const struct native_config *nconf, + uint width, uint height); + + boolean (*set_mode)(struct native_display *ndpy, + const struct native_mode *nmode, + struct native_surface *nsurf); +#endif +}; + + +typedef void (*native_flush_frontbuffer)(void *dummy, + struct pipe_surface *surf, + void *context_private); + +const char * +native_get_name(void); + +struct native_display * +native_create_display(EGLNativeDisplayType dpy, + native_flush_frontbuffer flush_frontbuffer); + +#endif /* _NATIVE_H_ */ diff --git a/src/gallium/state_trackers/egl_g3d/common/st_public_tmp.h b/src/gallium/state_trackers/egl_g3d/common/st_public_tmp.h new file mode 100644 index 0000000000..507a0ec402 --- /dev/null +++ b/src/gallium/state_trackers/egl_g3d/common/st_public_tmp.h @@ -0,0 +1,20 @@ +ST_PUBLIC(st_create_context, struct st_context *, struct pipe_context *pipe, const __GLcontextModes *visual, struct st_context *share) +ST_PUBLIC(st_destroy_context, void, struct st_context *st) +ST_PUBLIC(st_copy_context_state, void, struct st_context *dst, struct st_context *src, uint mask) +ST_PUBLIC(st_create_framebuffer, struct st_framebuffer *, const __GLcontextModes *visual, enum pipe_format colorFormat, enum pipe_format depthFormat, enum pipe_format stencilFormat, uint width, uint height, void *privateData) +ST_PUBLIC(st_resize_framebuffer, void, struct st_framebuffer *stfb, uint width, uint height) +ST_PUBLIC(st_set_framebuffer_surface, void, struct st_framebuffer *stfb, uint surfIndex, struct pipe_surface *surf) +ST_PUBLIC(st_get_framebuffer_dimensions, void, struct st_framebuffer *stfb, uint *width, uint *height) +ST_PUBLIC(st_get_framebuffer_surface, int, struct st_framebuffer *stfb, uint surfIndex, struct pipe_surface **surface) +ST_PUBLIC(st_get_framebuffer_texture, int, struct st_framebuffer *stfb, uint surfIndex, struct pipe_texture **texture) +ST_PUBLIC(st_framebuffer_private, void *, struct st_framebuffer *stfb) +ST_PUBLIC(st_unreference_framebuffer, void, struct st_framebuffer *stfb) +ST_PUBLIC(st_make_current, GLboolean, struct st_context *st, struct st_framebuffer *draw, struct st_framebuffer *read) +ST_PUBLIC(st_get_current, struct st_context *, void) +ST_PUBLIC(st_flush, void, struct st_context *st, uint pipeFlushFlags, struct pipe_fence_handle **fence) +ST_PUBLIC(st_finish, void, struct st_context *st) +ST_PUBLIC(st_notify_swapbuffers, void, struct st_framebuffer *stfb) +ST_PUBLIC(st_bind_texture_surface, int, struct pipe_surface *ps, int target, int level, enum pipe_format format) +ST_PUBLIC(st_unbind_texture_surface, int, struct pipe_surface *ps, int target, int level) +ST_PUBLIC(st_get_proc_address, st_proc, const char *procname) +#undef ST_PUBLIC diff --git a/src/gallium/state_trackers/egl_g3d/x11/glxinit.c b/src/gallium/state_trackers/egl_g3d/x11/glxinit.c new file mode 100644 index 0000000000..c955a908b9 --- /dev/null +++ b/src/gallium/state_trackers/egl_g3d/x11/glxinit.c @@ -0,0 +1,573 @@ +/** + * GLX initialization. Code based on glxext.c, glx_query.c, and + * glcontextmodes.c under src/glx/x11/. The major difference is that no DRI + * related code here. + * + */ + +#include <assert.h> +#include <X11/Xlib.h> +#include <X11/Xproto.h> +#include <X11/extensions/Xext.h> +#include <X11/extensions/extutil.h> +#include <sys/time.h> + +#include "x11_screen.h" +#include "glxinit.h" + +typedef struct GLXGenericGetString +{ + CARD8 reqType; + CARD8 glxCode; + CARD16 length B16; + CARD32 for_whom B32; + CARD32 name B32; +} xGLXGenericGetStringReq; + +#define sz_xGLXGenericGetStringReq 12 +#define X_GLXGenericGetString 0 + +/* Extension required boiler plate */ + +static char *__glXExtensionName = GLX_EXTENSION_NAME; +static XExtensionInfo *__glXExtensionInfo = NULL; + +static /* const */ XExtensionHooks __glXExtensionHooks = { NULL }; +static +XEXT_GENERATE_FIND_DISPLAY(__glXFindDisplay, __glXExtensionInfo, + __glXExtensionName, &__glXExtensionHooks, + __GLX_NUMBER_EVENTS, NULL) + +static GLint +_gl_convert_from_x_visual_type(int visualType) +{ +#define NUM_VISUAL_TYPES 6 + static const int glx_visual_types[NUM_VISUAL_TYPES] = { + GLX_STATIC_GRAY, GLX_GRAY_SCALE, + GLX_STATIC_COLOR, GLX_PSEUDO_COLOR, + GLX_TRUE_COLOR, GLX_DIRECT_COLOR + }; + + return ((unsigned) visualType < NUM_VISUAL_TYPES) + ? glx_visual_types[visualType] : GLX_NONE; +} + +_X_HIDDEN char * +__glXQueryServerString(Display * dpy, int opcode, CARD32 screen, CARD32 name) +{ + xGLXGenericGetStringReq *req; + xGLXSingleReply reply; + int length; + int numbytes; + char *buf; + CARD32 for_whom = screen; + CARD32 glxCode = X_GLXQueryServerString; + + + LockDisplay(dpy); + + + /* All of the GLX protocol requests for getting a string from the server + * look the same. The exact meaning of the for_whom field is usually + * either the screen number (for glXQueryServerString) or the context tag + * (for GLXSingle). + */ + + GetReq(GLXGenericGetString, req); + req->reqType = opcode; + req->glxCode = glxCode; + req->for_whom = for_whom; + req->name = name; + + _XReply(dpy, (xReply *) & reply, 0, False); + + length = reply.length * 4; + numbytes = reply.size; + + buf = (char *) Xmalloc(numbytes); + if (buf != NULL) { + _XRead(dpy, buf, numbytes); + length -= numbytes; + } + + _XEatData(dpy, length); + + UnlockDisplay(dpy); + SyncHandle(); + + return buf; +} + +/************************************************************************/ +/* +** Free the per screen configs data as well as the array of +** __glXScreenConfigs. +*/ +static void +FreeScreenConfigs(__GLXdisplayPrivate * priv) +{ + __GLXscreenConfigs *psc; + GLint i, screens; + + /* Free screen configuration information */ + psc = priv->screenConfigs; + screens = ScreenCount(priv->dpy); + for (i = 0; i < screens; i++, psc++) { + if (psc->configs) { + x11_context_modes_destroy(psc->configs); + psc->configs = NULL; /* NOTE: just for paranoia */ + } + if (psc->visuals) { + x11_context_modes_destroy(psc->visuals); + psc->visuals = NULL; /* NOTE: just for paranoia */ + } + Xfree((char *) psc->serverGLXexts); + } + XFree((char *) priv->screenConfigs); + priv->screenConfigs = NULL; +} + +/************************************************************************/ + +/* +** Query the version of the GLX extension. This procedure works even if +** the client extension is not completely set up. +*/ +static Bool +QueryVersion(Display * dpy, int opcode, int *major, int *minor) +{ + xGLXQueryVersionReq *req; + xGLXQueryVersionReply reply; + + /* Send the glXQueryVersion request */ + LockDisplay(dpy); + GetReq(GLXQueryVersion, req); + req->reqType = opcode; + req->glxCode = X_GLXQueryVersion; + req->majorVersion = GLX_MAJOR_VERSION; + req->minorVersion = GLX_MINOR_VERSION; + _XReply(dpy, (xReply *) & reply, 0, False); + UnlockDisplay(dpy); + SyncHandle(); + + if (reply.majorVersion != GLX_MAJOR_VERSION) { + /* + ** The server does not support the same major release as this + ** client. + */ + return GL_FALSE; + } + *major = reply.majorVersion; + *minor = min(reply.minorVersion, GLX_MINOR_VERSION); + return GL_TRUE; +} + +_X_HIDDEN void +__glXInitializeVisualConfigFromTags(__GLcontextModes * config, int count, + const INT32 * bp, Bool tagged_only, + Bool fbconfig_style_tags) +{ + int i; + + if (!tagged_only) { + /* Copy in the first set of properties */ + config->visualID = *bp++; + + config->visualType = _gl_convert_from_x_visual_type(*bp++); + + config->rgbMode = *bp++; + + config->redBits = *bp++; + config->greenBits = *bp++; + config->blueBits = *bp++; + config->alphaBits = *bp++; + config->accumRedBits = *bp++; + config->accumGreenBits = *bp++; + config->accumBlueBits = *bp++; + config->accumAlphaBits = *bp++; + + config->doubleBufferMode = *bp++; + config->stereoMode = *bp++; + + config->rgbBits = *bp++; + config->depthBits = *bp++; + config->stencilBits = *bp++; + config->numAuxBuffers = *bp++; + config->level = *bp++; + + count -= __GLX_MIN_CONFIG_PROPS; + } + + /* + ** Additional properties may be in a list at the end + ** of the reply. They are in pairs of property type + ** and property value. + */ + +#define FETCH_OR_SET(tag) \ + config-> tag = ( fbconfig_style_tags ) ? *bp++ : 1 + + for (i = 0; i < count; i += 2) { + switch (*bp++) { + case GLX_RGBA: + FETCH_OR_SET(rgbMode); + break; + case GLX_BUFFER_SIZE: + config->rgbBits = *bp++; + break; + case GLX_LEVEL: + config->level = *bp++; + break; + case GLX_DOUBLEBUFFER: + FETCH_OR_SET(doubleBufferMode); + break; + case GLX_STEREO: + FETCH_OR_SET(stereoMode); + break; + case GLX_AUX_BUFFERS: + config->numAuxBuffers = *bp++; + break; + case GLX_RED_SIZE: + config->redBits = *bp++; + break; + case GLX_GREEN_SIZE: + config->greenBits = *bp++; + break; + case GLX_BLUE_SIZE: + config->blueBits = *bp++; + break; + case GLX_ALPHA_SIZE: + config->alphaBits = *bp++; + break; + case GLX_DEPTH_SIZE: + config->depthBits = *bp++; + break; + case GLX_STENCIL_SIZE: + config->stencilBits = *bp++; + break; + case GLX_ACCUM_RED_SIZE: + config->accumRedBits = *bp++; + break; + case GLX_ACCUM_GREEN_SIZE: + config->accumGreenBits = *bp++; + break; + case GLX_ACCUM_BLUE_SIZE: + config->accumBlueBits = *bp++; + break; + case GLX_ACCUM_ALPHA_SIZE: + config->accumAlphaBits = *bp++; + break; + case GLX_VISUAL_CAVEAT_EXT: + config->visualRating = *bp++; + break; + case GLX_X_VISUAL_TYPE: + config->visualType = *bp++; + break; + case GLX_TRANSPARENT_TYPE: + config->transparentPixel = *bp++; + break; + case GLX_TRANSPARENT_INDEX_VALUE: + config->transparentIndex = *bp++; + break; + case GLX_TRANSPARENT_RED_VALUE: + config->transparentRed = *bp++; + break; + case GLX_TRANSPARENT_GREEN_VALUE: + config->transparentGreen = *bp++; + break; + case GLX_TRANSPARENT_BLUE_VALUE: + config->transparentBlue = *bp++; + break; + case GLX_TRANSPARENT_ALPHA_VALUE: + config->transparentAlpha = *bp++; + break; + case GLX_VISUAL_ID: + config->visualID = *bp++; + break; + case GLX_DRAWABLE_TYPE: + config->drawableType = *bp++; + break; + case GLX_RENDER_TYPE: + config->renderType = *bp++; + break; + case GLX_X_RENDERABLE: + config->xRenderable = *bp++; + break; + case GLX_FBCONFIG_ID: + config->fbconfigID = *bp++; + break; + case GLX_MAX_PBUFFER_WIDTH: + config->maxPbufferWidth = *bp++; + break; + case GLX_MAX_PBUFFER_HEIGHT: + config->maxPbufferHeight = *bp++; + break; + case GLX_MAX_PBUFFER_PIXELS: + config->maxPbufferPixels = *bp++; + break; + case GLX_OPTIMAL_PBUFFER_WIDTH_SGIX: + config->optimalPbufferWidth = *bp++; + break; + case GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX: + config->optimalPbufferHeight = *bp++; + break; + case GLX_VISUAL_SELECT_GROUP_SGIX: + config->visualSelectGroup = *bp++; + break; + case GLX_SWAP_METHOD_OML: + config->swapMethod = *bp++; + break; + case GLX_SAMPLE_BUFFERS_SGIS: + config->sampleBuffers = *bp++; + break; + case GLX_SAMPLES_SGIS: + config->samples = *bp++; + break; + case GLX_BIND_TO_TEXTURE_RGB_EXT: + config->bindToTextureRgb = *bp++; + break; + case GLX_BIND_TO_TEXTURE_RGBA_EXT: + config->bindToTextureRgba = *bp++; + break; + case GLX_BIND_TO_MIPMAP_TEXTURE_EXT: + config->bindToMipmapTexture = *bp++; + break; + case GLX_BIND_TO_TEXTURE_TARGETS_EXT: + config->bindToTextureTargets = *bp++; + break; + case GLX_Y_INVERTED_EXT: + config->yInverted = *bp++; + break; + case None: + i = count; + break; + default: + break; + } + } + + config->renderType = + (config->rgbMode) ? GLX_RGBA_BIT : GLX_COLOR_INDEX_BIT; + + config->haveAccumBuffer = ((config->accumRedBits + + config->accumGreenBits + + config->accumBlueBits + + config->accumAlphaBits) > 0); + config->haveDepthBuffer = (config->depthBits > 0); + config->haveStencilBuffer = (config->stencilBits > 0); +} + +static __GLcontextModes * +createConfigsFromProperties(Display * dpy, int nvisuals, int nprops, + int screen, GLboolean tagged_only) +{ + INT32 buf[__GLX_TOTAL_CONFIG], *props; + unsigned prop_size; + __GLcontextModes *modes, *m; + int i; + + if (nprops == 0) + return NULL; + + /* FIXME: Is the __GLX_MIN_CONFIG_PROPS test correct for FBconfigs? */ + + /* Check number of properties */ + if (nprops < __GLX_MIN_CONFIG_PROPS || nprops > __GLX_MAX_CONFIG_PROPS) + return NULL; + + /* Allocate memory for our config structure */ + modes = x11_context_modes_create(nvisuals); + if (!modes) + return NULL; + + prop_size = nprops * __GLX_SIZE_INT32; + if (prop_size <= sizeof(buf)) + props = buf; + else + props = Xmalloc(prop_size); + + /* Read each config structure and convert it into our format */ + m = modes; + for (i = 0; i < nvisuals; i++) { + _XRead(dpy, (char *) props, prop_size); + /* Older X servers don't send this so we default it here. */ + m->drawableType = GLX_WINDOW_BIT; + __glXInitializeVisualConfigFromTags(m, nprops, props, + tagged_only, GL_TRUE); + m->screen = screen; + m = m->next; + } + + if (props != buf) + Xfree(props); + + return modes; +} + +static GLboolean +getVisualConfigs(Display * dpy, __GLXdisplayPrivate * priv, int screen) +{ + xGLXGetVisualConfigsReq *req; + __GLXscreenConfigs *psc; + xGLXGetVisualConfigsReply reply; + + LockDisplay(dpy); + + psc = priv->screenConfigs + screen; + psc->visuals = NULL; + GetReq(GLXGetVisualConfigs, req); + req->reqType = priv->majorOpcode; + req->glxCode = X_GLXGetVisualConfigs; + req->screen = screen; + + if (!_XReply(dpy, (xReply *) & reply, 0, False)) + goto out; + + psc->visuals = createConfigsFromProperties(dpy, + reply.numVisuals, + reply.numProps, + screen, GL_FALSE); + + out: + UnlockDisplay(dpy); + return psc->visuals != NULL; +} + +static GLboolean +getFBConfigs(Display * dpy, __GLXdisplayPrivate * priv, int screen) +{ + xGLXGetFBConfigsReq *fb_req; + xGLXGetFBConfigsSGIXReq *sgi_req; + xGLXVendorPrivateWithReplyReq *vpreq; + xGLXGetFBConfigsReply reply; + __GLXscreenConfigs *psc; + + psc = priv->screenConfigs + screen; + psc->serverGLXexts = + __glXQueryServerString(dpy, priv->majorOpcode, screen, GLX_EXTENSIONS); + + LockDisplay(dpy); + + psc->configs = NULL; + if (atof(priv->serverGLXversion) >= 1.3) { + GetReq(GLXGetFBConfigs, fb_req); + fb_req->reqType = priv->majorOpcode; + fb_req->glxCode = X_GLXGetFBConfigs; + fb_req->screen = screen; + } + else if (strstr(psc->serverGLXexts, "GLX_SGIX_fbconfig") != NULL) { + GetReqExtra(GLXVendorPrivateWithReply, + sz_xGLXGetFBConfigsSGIXReq + + sz_xGLXVendorPrivateWithReplyReq, vpreq); + sgi_req = (xGLXGetFBConfigsSGIXReq *) vpreq; + sgi_req->reqType = priv->majorOpcode; + sgi_req->glxCode = X_GLXVendorPrivateWithReply; + sgi_req->vendorCode = X_GLXvop_GetFBConfigsSGIX; + sgi_req->screen = screen; + } + else + goto out; + + if (!_XReply(dpy, (xReply *) & reply, 0, False)) + goto out; + + psc->configs = createConfigsFromProperties(dpy, + reply.numFBConfigs, + reply.numAttribs * 2, + screen, GL_TRUE); + + out: + UnlockDisplay(dpy); + return psc->configs != NULL; +} + +static GLboolean +AllocAndFetchScreenConfigs(Display * dpy, __GLXdisplayPrivate * priv) +{ + __GLXscreenConfigs *psc; + GLint i, screens; + + /* + ** First allocate memory for the array of per screen configs. + */ + screens = ScreenCount(dpy); + psc = (__GLXscreenConfigs *) Xmalloc(screens * sizeof(__GLXscreenConfigs)); + if (!psc) { + return GL_FALSE; + } + memset(psc, 0, screens * sizeof(__GLXscreenConfigs)); + priv->screenConfigs = psc; + + priv->serverGLXversion = + __glXQueryServerString(dpy, priv->majorOpcode, 0, GLX_VERSION); + if (priv->serverGLXversion == NULL) { + FreeScreenConfigs(priv); + return GL_FALSE; + } + + for (i = 0; i < screens; i++, psc++) { + getFBConfigs(dpy, priv, i); + getVisualConfigs(dpy, priv, i); + psc->scr = i; + psc->dpy = dpy; + } + + SyncHandle(); + + return GL_TRUE; +} + +_X_HIDDEN void +__glXRelease(__GLXdisplayPrivate *dpyPriv) +{ + FreeScreenConfigs(dpyPriv); + + if (dpyPriv->serverGLXvendor) { + Xfree((char *) dpyPriv->serverGLXvendor); + dpyPriv->serverGLXvendor = NULL; + } + if (dpyPriv->serverGLXversion) { + Xfree((char *) dpyPriv->serverGLXversion); + dpyPriv->serverGLXversion = NULL; + } + + Xfree(dpyPriv); +} + +_X_HIDDEN __GLXdisplayPrivate * +__glXInitialize(Display * dpy) +{ + XExtDisplayInfo *info = __glXFindDisplay(dpy); + __GLXdisplayPrivate *dpyPriv; + int major, minor; + + if (!XextHasExtension(info)) + return NULL; + + /* See if the versions are compatible */ + if (!QueryVersion(dpy, info->codes->major_opcode, &major, &minor)) + return NULL; + + dpyPriv = (__GLXdisplayPrivate *) Xcalloc(1, sizeof(__GLXdisplayPrivate)); + if (!dpyPriv) + return NULL; + + /* + ** Init the display private and then read in the screen config + ** structures from the server. + */ + dpyPriv->majorOpcode = info->codes->major_opcode; + dpyPriv->majorVersion = major; + dpyPriv->minorVersion = minor; + dpyPriv->dpy = dpy; + + dpyPriv->serverGLXvendor = NULL; + dpyPriv->serverGLXversion = NULL; + + if (!AllocAndFetchScreenConfigs(dpy, dpyPriv)) { + Xfree(dpyPriv); + return NULL; + } + + return dpyPriv; +} diff --git a/src/gallium/state_trackers/egl_g3d/x11/glxinit.h b/src/gallium/state_trackers/egl_g3d/x11/glxinit.h new file mode 100644 index 0000000000..515a825222 --- /dev/null +++ b/src/gallium/state_trackers/egl_g3d/x11/glxinit.h @@ -0,0 +1,14 @@ +#ifndef GLXINIT_INCLUDED +#define GLXINIT_INCLUDED + +#include <X11/Xlib.h> + +#ifndef GLX_DIRECT_RENDERING +#define GLX_DIRECT_RENDERING +#endif +#include "glxclient.h" + +extern void +__glXRelease(__GLXdisplayPrivate *dpyPriv); + +#endif /* GLXINIT_INCLUDED */ diff --git a/src/gallium/state_trackers/egl_g3d/x11/native_dri2.c b/src/gallium/state_trackers/egl_g3d/x11/native_dri2.c new file mode 100644 index 0000000000..0dda786bbd --- /dev/null +++ b/src/gallium/state_trackers/egl_g3d/x11/native_dri2.c @@ -0,0 +1,693 @@ +/* + * Mesa 3-D graphics library + * Version: 7.8 + * + * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "util/u_memory.h" +#include "util/u_math.h" +#include "util/u_format.h" +#include "pipe/p_compiler.h" +#include "pipe/p_screen.h" +#include "pipe/p_context.h" +#include "pipe/p_state.h" +#include "state_tracker/drm_api.h" +#include "egllog.h" + +#include "native_x11.h" +#include "x11_screen.h" + +enum dri2_surface_type { + DRI2_SURFACE_TYPE_WINDOW, + DRI2_SURFACE_TYPE_PIXMAP, + DRI2_SURFACE_TYPE_PBUFFER +}; + +struct dri2_display { + struct native_display base; + Display *dpy; + boolean own_dpy; + + struct drm_api *api; + struct x11_screen *xscr; + int xscr_number; + + struct dri2_config *configs; + int num_configs; +}; + +struct dri2_surface { + struct native_surface base; + Drawable drawable; + enum dri2_surface_type type; + enum pipe_format color_format; + struct dri2_display *dri2dpy; + + struct pipe_texture *pbuffer_textures[NUM_NATIVE_ATTACHMENTS]; + boolean have_back, have_fake; + int width, height; +}; + +struct dri2_config { + struct native_config base; +}; + +static INLINE struct dri2_display * +dri2_display(const struct native_display *ndpy) +{ + return (struct dri2_display *) ndpy; +} + +static INLINE struct dri2_surface * +dri2_surface(const struct native_surface *nsurf) +{ + return (struct dri2_surface *) nsurf; +} + +static INLINE struct dri2_config * +dri2_config(const struct native_config *nconf) +{ + return (struct dri2_config *) nconf; +} + +static boolean +dri2_surface_flush_frontbuffer(struct native_surface *nsurf) +{ + struct dri2_surface *dri2surf = dri2_surface(nsurf); + struct dri2_display *dri2dpy = dri2surf->dri2dpy; + + /* pbuffer is private */ + if (dri2surf->type == DRI2_SURFACE_TYPE_PBUFFER) + return TRUE; + + /* copy to real front buffer */ + if (dri2surf->have_fake) + x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable, + 0, 0, dri2surf->width, dri2surf->height, + DRI2BufferFakeFrontLeft, DRI2BufferFrontLeft); + + return TRUE; +} + +static boolean +dri2_surface_swap_buffers(struct native_surface *nsurf) +{ + struct dri2_surface *dri2surf = dri2_surface(nsurf); + struct dri2_display *dri2dpy = dri2surf->dri2dpy; + + /* pbuffer is private */ + if (dri2surf->type == DRI2_SURFACE_TYPE_PBUFFER) + return TRUE; + + /* copy to front buffer */ + if (dri2surf->have_back) + x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable, + 0, 0, dri2surf->width, dri2surf->height, + DRI2BufferBackLeft, DRI2BufferFrontLeft); + + /* and update fake front buffer */ + if (dri2surf->have_fake) + x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable, + 0, 0, dri2surf->width, dri2surf->height, + DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft); + + return TRUE; +} + +static boolean +dri2_surface_validate(struct native_surface *nsurf, + const enum native_attachment *natts, + unsigned num_natts, + struct pipe_texture **textures, + int *width, int *height) +{ + struct dri2_surface *dri2surf = dri2_surface(nsurf); + struct dri2_display *dri2dpy = dri2surf->dri2dpy; + unsigned int dri2atts[NUM_NATIVE_ATTACHMENTS]; + EGLint texture_indices[NUM_NATIVE_ATTACHMENTS]; + struct pipe_texture templ; + struct x11_drawable_buffer *xbufs; + int num_ins, num_outs, i; + + if (num_natts) { + memset(&templ, 0, sizeof(templ)); + templ.target = PIPE_TEXTURE_2D; + templ.last_level = 0; + templ.width0 = dri2surf->width; + templ.height0 = dri2surf->height; + templ.depth0 = 1; + templ.format = dri2surf->color_format; + templ.tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET; + + if (textures) + memset(textures, 0, sizeof(*textures) * num_natts); + } + + /* create textures for pbuffer */ + if (dri2surf->type == DRI2_SURFACE_TYPE_PBUFFER) { + struct pipe_screen *screen = dri2dpy->base.screen; + + for (i = 0; i < num_natts; i++) { + enum native_attachment natt = natts[i]; + struct pipe_texture *ptex = dri2surf->pbuffer_textures[natt]; + + if (!ptex) { + ptex = screen->texture_create(screen, &templ); + dri2surf->pbuffer_textures[natt] = ptex; + } + + if (textures) + pipe_texture_reference(&textures[i], ptex); + } + + if (width) + *width = dri2surf->width; + if (height) + *height = dri2surf->height; + + return TRUE; + } + + for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++) + texture_indices[i] = -1; + + /* prepare the attachments */ + num_ins = num_natts; + for (i = 0; i < num_natts; i++) { + unsigned int dri2att; + + switch (natts[i]) { + case NATIVE_ATTACHMENT_FRONT_LEFT: + dri2att = DRI2BufferFrontLeft; + break; + case NATIVE_ATTACHMENT_BACK_LEFT: + dri2att = DRI2BufferBackLeft; + break; + case NATIVE_ATTACHMENT_FRONT_RIGHT: + dri2att = DRI2BufferFrontRight; + break; + case NATIVE_ATTACHMENT_BACK_RIGHT: + dri2att = DRI2BufferBackRight; + break; + default: + assert(0); + dri2att = 0; + break; + } + dri2atts[i] = dri2att; + texture_indices[natts[i]] = i; + } + + dri2surf->have_back = FALSE; + dri2surf->have_fake = FALSE; + + xbufs = x11_drawable_get_buffers(dri2dpy->xscr, dri2surf->drawable, + &dri2surf->width, &dri2surf->height, + dri2atts, FALSE, num_ins, &num_outs); + if (!xbufs) + return FALSE; + + /* update width and height */ + templ.width0 = dri2surf->width; + templ.height0 = dri2surf->height; + + for (i = 0; i < num_outs; i++) { + struct x11_drawable_buffer *xbuf = &xbufs[i]; + const char *desc; + enum native_attachment natt; + + switch (xbuf->attachment) { + case DRI2BufferFrontLeft: + natt = NATIVE_ATTACHMENT_FRONT_LEFT; + desc = "DRI2 Front Buffer"; + break; + case DRI2BufferFakeFrontLeft: + natt = NATIVE_ATTACHMENT_FRONT_LEFT; + desc = "DRI2 Fake Front Buffer"; + dri2surf->have_fake = TRUE; + break; + case DRI2BufferBackLeft: + natt = NATIVE_ATTACHMENT_BACK_LEFT; + desc = "DRI2 Back Buffer"; + dri2surf->have_back = TRUE; + break; + default: + desc = NULL; + break; + } + + if (!desc || texture_indices[natt] < 0 || + (textures && textures[texture_indices[natt]])) { + if (!desc) + _eglLog(_EGL_WARNING, "unknown buffer %d", xbuf->attachment); + else if (texture_indices[natt] < 0) + _eglLog(_EGL_WARNING, "unexpected buffer %d", xbuf->attachment); + else if (textures && textures[texture_indices[natt]]) + _eglLog(_EGL_WARNING, "both real and fake front buffers are listed"); + continue; + } + + if (textures) { + struct pipe_texture *ptex = + dri2dpy->api->texture_from_shared_handle(dri2dpy->api, + dri2dpy->base.screen, &templ, + desc, xbuf->pitch, xbuf->name); + if (ptex) { + /* the caller owns the textures */ + textures[texture_indices[natt]] = ptex; + } + } + } + + free(xbufs); + + if (width) + *width = dri2surf->width; + if (height) + *height = dri2surf->height; + + return TRUE; +} + +static void +dri2_surface_wait(struct native_surface *nsurf) +{ + struct dri2_surface *dri2surf = dri2_surface(nsurf); + struct dri2_display *dri2dpy = dri2surf->dri2dpy; + + if (dri2surf->have_fake) { + x11_drawable_copy_buffers(dri2dpy->xscr, dri2surf->drawable, + 0, 0, dri2surf->width, dri2surf->height, + DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft); + } +} + +static void +dri2_surface_destroy(struct native_surface *nsurf) +{ + struct dri2_surface *dri2surf = dri2_surface(nsurf); + int i; + + for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++) { + struct pipe_texture *ptex = dri2surf->pbuffer_textures[i]; + pipe_texture_reference(&ptex, NULL); + } + + if (dri2surf->drawable) + x11_drawable_enable_dri2(dri2surf->dri2dpy->xscr, + dri2surf->drawable, FALSE); + free(dri2surf); +} + +static struct dri2_surface * +dri2_display_create_surface(struct native_display *ndpy, + enum dri2_surface_type type, + Drawable drawable, + const struct native_config *nconf) +{ + struct dri2_display *dri2dpy = dri2_display(ndpy); + struct dri2_config *dri2conf = dri2_config(nconf); + struct dri2_surface *dri2surf; + + dri2surf = CALLOC_STRUCT(dri2_surface); + if (!dri2surf) + return NULL; + + if (drawable) + x11_drawable_enable_dri2(dri2dpy->xscr, drawable, TRUE); + + dri2surf->dri2dpy = dri2dpy; + dri2surf->type = type; + dri2surf->drawable = drawable; + dri2surf->color_format = dri2conf->base.color_format; + + dri2surf->base.destroy = dri2_surface_destroy; + dri2surf->base.swap_buffers = dri2_surface_swap_buffers; + dri2surf->base.flush_frontbuffer = dri2_surface_flush_frontbuffer; + dri2surf->base.validate = dri2_surface_validate; + dri2surf->base.wait = dri2_surface_wait; + + return dri2surf; +} + +static struct native_surface * +dri2_display_create_window_surface(struct native_display *ndpy, + EGLNativeWindowType win, + const struct native_config *nconf) +{ + struct dri2_surface *dri2surf; + + dri2surf = dri2_display_create_surface(ndpy, DRI2_SURFACE_TYPE_WINDOW, + (Drawable) win, nconf); + return (dri2surf) ? &dri2surf->base : NULL; +} + +static struct native_surface * +dri2_display_create_pixmap_surface(struct native_display *ndpy, + EGLNativePixmapType pix, + const struct native_config *nconf) +{ + struct dri2_surface *dri2surf; + + dri2surf = dri2_display_create_surface(ndpy, DRI2_SURFACE_TYPE_PIXMAP, + (Drawable) pix, nconf); + return (dri2surf) ? &dri2surf->base : NULL; +} + +static struct native_surface * +dri2_display_create_pbuffer_surface(struct native_display *ndpy, + const struct native_config *nconf, + uint width, uint height) +{ + struct dri2_surface *dri2surf; + + dri2surf = dri2_display_create_surface(ndpy, DRI2_SURFACE_TYPE_PBUFFER, + (Drawable) None, nconf); + if (dri2surf) { + dri2surf->width = width; + dri2surf->height = height; + } + return (dri2surf) ? &dri2surf->base : NULL; +} + +static struct pipe_context * +dri2_display_create_context(struct native_display *ndpy, void *context_private) +{ + struct dri2_display *dri2dpy = dri2_display(ndpy); + struct pipe_context *pctx; + + pctx = dri2dpy->api->create_context(dri2dpy->api, dri2dpy->base.screen); + if (pctx) + pctx->priv = context_private; + return pctx; +} + +static int +choose_color_format(const __GLcontextModes *mode, enum pipe_format formats[32]) +{ + int count = 0; + + switch (mode->rgbBits) { + case 32: + formats[count++] = PIPE_FORMAT_A8R8G8B8_UNORM; + formats[count++] = PIPE_FORMAT_B8G8R8A8_UNORM; + break; + case 24: + formats[count++] = PIPE_FORMAT_X8R8G8B8_UNORM; + formats[count++] = PIPE_FORMAT_B8G8R8X8_UNORM; + formats[count++] = PIPE_FORMAT_A8R8G8B8_UNORM; + formats[count++] = PIPE_FORMAT_B8G8R8A8_UNORM; + break; + case 16: + formats[count++] = PIPE_FORMAT_R5G6B5_UNORM; + break; + default: + break; + } + + return count; +} + +static int +choose_depth_stencil_format(const __GLcontextModes *mode, + enum pipe_format formats[32]) +{ + int count = 0; + + switch (mode->depthBits) { + case 32: + formats[count++] = PIPE_FORMAT_Z32_UNORM; + break; + case 24: + if (mode->stencilBits) { + formats[count++] = PIPE_FORMAT_S8Z24_UNORM; + formats[count++] = PIPE_FORMAT_Z24S8_UNORM; + } + else { + formats[count++] = PIPE_FORMAT_X8Z24_UNORM; + formats[count++] = PIPE_FORMAT_Z24X8_UNORM; + } + break; + case 16: + formats[count++] = PIPE_FORMAT_Z16_UNORM; + break; + default: + break; + } + + return count; +} + +static boolean +is_format_supported(struct pipe_screen *screen, + enum pipe_format fmt, boolean is_color) +{ + return screen->is_format_supported(screen, fmt, PIPE_TEXTURE_2D, + (is_color) ? PIPE_TEXTURE_USAGE_RENDER_TARGET : + PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0); +} + +static boolean +dri2_display_convert_config(struct native_display *ndpy, + const __GLcontextModes *mode, + struct native_config *nconf) +{ + enum pipe_format formats[32]; + int num_formats, i; + + if (!(mode->renderType & GLX_RGBA_BIT) || !mode->rgbMode) + return FALSE; + + /* skip single-buffered configs */ + if (!mode->doubleBufferMode) + return FALSE; + + nconf->mode = *mode; + nconf->mode.renderType = GLX_RGBA_BIT; + nconf->mode.rgbMode = TRUE; + /* pbuffer is allocated locally and is always supported */ + nconf->mode.drawableType |= GLX_PBUFFER_BIT; + /* the swap method is always copy */ + nconf->mode.swapMethod = GLX_SWAP_COPY_OML; + + /* fix up */ + nconf->mode.rgbBits = + nconf->mode.redBits + nconf->mode.greenBits + + nconf->mode.blueBits + nconf->mode.alphaBits; + if (!(nconf->mode.drawableType & GLX_WINDOW_BIT)) { + nconf->mode.visualID = 0; + nconf->mode.visualType = GLX_NONE; + } + if (!(nconf->mode.drawableType & GLX_PBUFFER_BIT)) { + nconf->mode.bindToTextureRgb = FALSE; + nconf->mode.bindToTextureRgba = FALSE; + } + + nconf->color_format = PIPE_FORMAT_NONE; + nconf->depth_format = PIPE_FORMAT_NONE; + nconf->stencil_format = PIPE_FORMAT_NONE; + + /* choose color format */ + num_formats = choose_color_format(mode, formats); + for (i = 0; i < num_formats; i++) { + if (is_format_supported(ndpy->screen, formats[i], TRUE)) { + nconf->color_format = formats[i]; + break; + } + } + if (nconf->color_format == PIPE_FORMAT_NONE) + return FALSE; + + /* choose depth/stencil format */ + num_formats = choose_depth_stencil_format(mode, formats); + for (i = 0; i < num_formats; i++) { + if (is_format_supported(ndpy->screen, formats[i], FALSE)) { + nconf->depth_format = formats[i]; + nconf->stencil_format = formats[i]; + break; + } + } + if ((nconf->mode.depthBits && nconf->depth_format == PIPE_FORMAT_NONE) || + (nconf->mode.stencilBits && nconf->stencil_format == PIPE_FORMAT_NONE)) + return FALSE; + + return TRUE; +} + +static const struct native_config ** +dri2_display_get_configs(struct native_display *ndpy, int *num_configs) +{ + struct dri2_display *dri2dpy = dri2_display(ndpy); + const struct native_config **configs; + int i; + + /* first time */ + if (!dri2dpy->configs) { + const __GLcontextModes *modes; + int num_modes, count; + + modes = x11_screen_get_glx_configs(dri2dpy->xscr); + if (!modes) + return NULL; + num_modes = x11_context_modes_count(modes); + + dri2dpy->configs = calloc(num_modes, sizeof(*dri2dpy->configs)); + if (!dri2dpy->configs) + return NULL; + + count = 0; + for (i = 0; i < num_modes; i++) { + struct native_config *nconf = &dri2dpy->configs[count].base; + if (dri2_display_convert_config(&dri2dpy->base, modes, nconf)) + count++; + modes = modes->next; + } + + dri2dpy->num_configs = count; + } + + configs = malloc(dri2dpy->num_configs * sizeof(*configs)); + if (configs) { + for (i = 0; i < dri2dpy->num_configs; i++) + configs[i] = (const struct native_config *) &dri2dpy->configs[i]; + if (num_configs) + *num_configs = dri2dpy->num_configs; + } + + return configs; +} + +static void +dri2_display_destroy(struct native_display *ndpy) +{ + struct dri2_display *dri2dpy = dri2_display(ndpy); + + if (dri2dpy->configs) + free(dri2dpy->configs); + + if (dri2dpy->base.screen) + dri2dpy->base.screen->destroy(dri2dpy->base.screen); + + if (dri2dpy->xscr) + x11_screen_destroy(dri2dpy->xscr); + if (dri2dpy->own_dpy) + XCloseDisplay(dri2dpy->dpy); + if (dri2dpy->api && dri2dpy->api->destroy) + dri2dpy->api->destroy(dri2dpy->api); + free(dri2dpy); +} + +/** + * Initialize DRI2 and pipe screen. + */ +static boolean +dri2_display_init_screen(struct native_display *ndpy) +{ + struct dri2_display *dri2dpy = dri2_display(ndpy); + const char *driver = dri2dpy->api->name; + struct drm_create_screen_arg arg; + int fd; + + if (!x11_screen_support(dri2dpy->xscr, X11_SCREEN_EXTENSION_DRI2) || + !x11_screen_support(dri2dpy->xscr, X11_SCREEN_EXTENSION_GLX)) { + _eglLog(_EGL_WARNING, "GLX/DRI2 is not supported"); + return FALSE; + } + + fd = x11_screen_enable_dri2(dri2dpy->xscr, driver); + if (fd < 0) + return FALSE; + + memset(&arg, 0, sizeof(arg)); + arg.mode = DRM_CREATE_NORMAL; + dri2dpy->base.screen = dri2dpy->api->create_screen(dri2dpy->api, fd, &arg); + if (!dri2dpy->base.screen) { + _eglLog(_EGL_WARNING, "failed to create DRM screen"); + return FALSE; + } + + return TRUE; +} + +static void +dri2_display_flush_frontbuffer(void *dummy, struct pipe_surface *surf, + void *context_private) +{ + /* TODO get native surface from context private, and remove the callback */ + _eglLog(_EGL_WARNING, "flush_frontbuffer is not supplied"); +} + +struct native_display * +x11_create_dri2_display(EGLNativeDisplayType dpy, + struct drm_api *api, + native_flush_frontbuffer flush_frontbuffer) +{ + struct dri2_display *dri2dpy; + + dri2dpy = CALLOC_STRUCT(dri2_display); + if (!dri2dpy) + return NULL; + + dri2dpy->api = api; + if (!dri2dpy->api) { + _eglLog(_EGL_WARNING, "failed to create DRM API"); + free(dri2dpy); + return NULL; + } + + dri2dpy->dpy = dpy; + if (!dri2dpy->dpy) { + dri2dpy->dpy = XOpenDisplay(NULL); + if (!dri2dpy->dpy) { + dri2_display_destroy(&dri2dpy->base); + return NULL; + } + dri2dpy->own_dpy = TRUE; + } + + dri2dpy->xscr_number = DefaultScreen(dri2dpy->dpy); + dri2dpy->xscr = x11_screen_create(dri2dpy->dpy, dri2dpy->xscr_number); + if (!dri2dpy->xscr) { + dri2_display_destroy(&dri2dpy->base); + return NULL; + } + + if (!dri2_display_init_screen(&dri2dpy->base)) { + dri2_display_destroy(&dri2dpy->base); + return NULL; + } + + if (!flush_frontbuffer) + flush_frontbuffer = dri2_display_flush_frontbuffer; + + dri2dpy->base.screen->flush_frontbuffer = + (void (*)(struct pipe_screen *, struct pipe_surface *, void *)) + flush_frontbuffer; + + dri2dpy->base.destroy = dri2_display_destroy; + dri2dpy->base.get_configs = dri2_display_get_configs; + dri2dpy->base.create_context = dri2_display_create_context; + dri2dpy->base.create_window_surface = dri2_display_create_window_surface; + dri2dpy->base.create_pixmap_surface = dri2_display_create_pixmap_surface; + dri2dpy->base.create_pbuffer_surface = dri2_display_create_pbuffer_surface; + + return &dri2dpy->base; +} diff --git a/src/gallium/state_trackers/egl_g3d/x11/native_x11.c b/src/gallium/state_trackers/egl_g3d/x11/native_x11.c new file mode 100644 index 0000000000..a4f36e9dec --- /dev/null +++ b/src/gallium/state_trackers/egl_g3d/x11/native_x11.c @@ -0,0 +1,73 @@ +/* + * Mesa 3-D graphics library + * Version: 7.8 + * + * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include <string.h> +#include "util/u_debug.h" +#include "state_tracker/drm_api.h" +#include "egllog.h" + +#include "native_x11.h" + +static struct drm_api *api; + +const char * +native_get_name(void) +{ + static char x11_name[32]; + + if (!api) + api = drm_api_create(); + + if (api) + snprintf(x11_name, sizeof(x11_name), "X11/%s", api->name); + else + snprintf(x11_name, sizeof(x11_name), "X11"); + + return x11_name; +} + +struct native_display * +native_create_display(EGLNativeDisplayType dpy, + native_flush_frontbuffer flush_frontbuffer) +{ + struct native_display *ndpy = NULL; + boolean force_sw; + + if (!api) + api = drm_api_create(); + + force_sw = debug_get_bool_option("EGL_SOFTWARE", FALSE); + if (api && !force_sw) { + ndpy = x11_create_dri2_display(dpy, api, flush_frontbuffer); + } + + if (!ndpy) { + EGLint level = (force_sw) ? _EGL_INFO : _EGL_WARNING; + + _eglLog(level, "use software fallback"); + ndpy = x11_create_ximage_display(dpy, TRUE, flush_frontbuffer); + } + + return ndpy; +} diff --git a/src/gallium/state_trackers/egl_g3d/x11/native_x11.h b/src/gallium/state_trackers/egl_g3d/x11/native_x11.h new file mode 100644 index 0000000000..9217eb6252 --- /dev/null +++ b/src/gallium/state_trackers/egl_g3d/x11/native_x11.h @@ -0,0 +1,41 @@ +/* + * Mesa 3-D graphics library + * Version: 7.8 + * + * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef _NATIVE_X11_H_ +#define _NATIVE_X11_H_ + +#include "state_tracker/drm_api.h" +#include "common/native.h" + +struct native_display * +x11_create_ximage_display(EGLNativeDisplayType dpy, + boolean use_xshm, + native_flush_frontbuffer flush_frontbuffer); + +struct native_display * +x11_create_dri2_display(EGLNativeDisplayType dpy, + struct drm_api *api, + native_flush_frontbuffer flush_frontbuffer); + +#endif /* _NATIVE_X11_H_ */ diff --git a/src/gallium/state_trackers/egl_g3d/x11/native_ximage.c b/src/gallium/state_trackers/egl_g3d/x11/native_ximage.c new file mode 100644 index 0000000000..e02faa9b7b --- /dev/null +++ b/src/gallium/state_trackers/egl_g3d/x11/native_ximage.c @@ -0,0 +1,680 @@ +/* + * Mesa 3-D graphics library + * Version: 7.8 + * + * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include <assert.h> +#include <sys/ipc.h> +#include <sys/types.h> +#include <sys/shm.h> +#include <X11/Xlib.h> +#include <X11/Xutil.h> +#include <X11/extensions/XShm.h> +#include "util/u_memory.h" +#include "util/u_math.h" +#include "util/u_format.h" +#include "pipe/p_compiler.h" +#include "pipe/internal/p_winsys_screen.h" +#include "softpipe/sp_winsys.h" +#include "egllog.h" + +#include "sw_winsys.h" +#include "native_x11.h" +#include "x11_screen.h" + +enum ximage_surface_type { + XIMAGE_SURFACE_TYPE_WINDOW, + XIMAGE_SURFACE_TYPE_PIXMAP, + XIMAGE_SURFACE_TYPE_PBUFFER +}; + +struct ximage_display { + struct native_display base; + Display *dpy; + boolean own_dpy; + + struct x11_screen *xscr; + int xscr_number; + + boolean use_xshm; + + struct pipe_winsys *winsys; + struct ximage_config *configs; + int num_configs; +}; + +struct ximage_buffer { + XImage *ximage; + + struct pipe_texture *texture; + struct pipe_transfer *transfer; + XShmSegmentInfo *shm_info; + boolean xshm_attached; +}; + +struct ximage_surface { + struct native_surface base; + Drawable drawable; + enum ximage_surface_type type; + enum pipe_format color_format; + XVisualInfo visual; + struct ximage_display *xdpy; + + int width, height; + GC gc; + + struct ximage_buffer buffers[NUM_NATIVE_ATTACHMENTS]; +}; + +struct ximage_config { + struct native_config base; + const XVisualInfo *visual; +}; + +static INLINE struct ximage_display * +ximage_display(const struct native_display *ndpy) +{ + return (struct ximage_display *) ndpy; +} + +static INLINE struct ximage_surface * +ximage_surface(const struct native_surface *nsurf) +{ + return (struct ximage_surface *) nsurf; +} + +static INLINE struct ximage_config * +ximage_config(const struct native_config *nconf) +{ + return (struct ximage_config *) nconf; +} + +static void +ximage_surface_free_buffer(struct native_surface *nsurf, + enum native_attachment which) +{ + struct ximage_surface *xsurf = ximage_surface(nsurf); + struct ximage_buffer *xbuf = &xsurf->buffers[which]; + struct pipe_screen *screen = xsurf->xdpy->base.screen; + + if (xbuf->transfer) { + screen->tex_transfer_destroy(xbuf->transfer); + xbuf->transfer = NULL; + } + pipe_texture_reference(&xbuf->texture, NULL); + + if (xbuf->shm_info) { + if (xbuf->xshm_attached) + XShmDetach(xsurf->xdpy->dpy, xbuf->shm_info); + if (xbuf->shm_info->shmaddr != (void *) -1) + shmdt(xbuf->shm_info->shmaddr); + if (xbuf->shm_info->shmid != -1) + shmctl(xbuf->shm_info->shmid, IPC_RMID, 0); + + xbuf->shm_info->shmaddr = (void *) -1; + xbuf->shm_info->shmid = -1; + } +} + +static boolean +ximage_surface_alloc_buffer(struct native_surface *nsurf, + enum native_attachment which) +{ + struct ximage_surface *xsurf = ximage_surface(nsurf); + struct ximage_buffer *xbuf = &xsurf->buffers[which]; + struct pipe_screen *screen = xsurf->xdpy->base.screen; + struct pipe_texture templ; + + /* free old data */ + if (xbuf->texture) + ximage_surface_free_buffer(&xsurf->base, which); + + memset(&templ, 0, sizeof(templ)); + templ.target = PIPE_TEXTURE_2D; + templ.format = xsurf->color_format; + templ.width0 = xsurf->width; + templ.height0 = xsurf->height; + templ.depth0 = 1; + templ.tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET; + + if (xbuf->shm_info) { + struct pipe_buffer *pbuf; + unsigned stride, size; + void *addr = NULL; + + stride = util_format_get_stride(xsurf->color_format, xsurf->width); + /* alignment should depend on visual? */ + stride = align(stride, 4); + size = stride * xsurf->height; + + /* create and attach shm object */ + xbuf->shm_info->shmid = shmget(IPC_PRIVATE, size, 0755); + if (xbuf->shm_info->shmid != -1) { + xbuf->shm_info->shmaddr = + shmat(xbuf->shm_info->shmid, NULL, 0); + if (xbuf->shm_info->shmaddr != (void *) -1) { + if (XShmAttach(xsurf->xdpy->dpy, xbuf->shm_info)) { + addr = xbuf->shm_info->shmaddr; + xbuf->xshm_attached = TRUE; + } + } + } + + if (addr) { + pbuf = screen->user_buffer_create(screen, addr, size); + if (pbuf) { + xbuf->texture = + screen->texture_blanket(screen, &templ, &stride, pbuf); + pipe_buffer_reference(&pbuf, NULL); + } + } + } + else { + xbuf->texture = screen->texture_create(screen, &templ); + } + + if (xbuf->texture) { + xbuf->transfer = screen->get_tex_transfer(screen, xbuf->texture, + 0, 0, 0, PIPE_TRANSFER_READ, 0, 0, xsurf->width, xsurf->height); + if (!xbuf->transfer) + pipe_texture_reference(&xbuf->texture, NULL); + } + + /* clean up the buffer if allocation failed */ + if (!xbuf->texture) + ximage_surface_free_buffer(&xsurf->base, which); + + return (xbuf->texture != NULL); +} + +static boolean +ximage_surface_draw_buffer(struct native_surface *nsurf, + enum native_attachment which) +{ + struct ximage_surface *xsurf = ximage_surface(nsurf); + struct ximage_buffer *xbuf = &xsurf->buffers[which]; + struct pipe_screen *screen = xsurf->xdpy->base.screen; + + if (xsurf->type == XIMAGE_SURFACE_TYPE_PBUFFER) + return TRUE; + + assert(xsurf->drawable && xbuf->ximage && xbuf->texture); + + xbuf->ximage->data = screen->transfer_map(screen, xbuf->transfer); + + if (xbuf->shm_info) + XShmPutImage(xsurf->xdpy->dpy, xsurf->drawable, xsurf->gc, + xbuf->ximage, 0, 0, 0, 0, xsurf->width, xsurf->height, False); + else + XPutImage(xsurf->xdpy->dpy, xsurf->drawable, xsurf->gc, + xbuf->ximage, 0, 0, 0, 0, xsurf->width, xsurf->height); + + xbuf->ximage->data = NULL; + screen->transfer_unmap(screen, xbuf->transfer); + + XSync(xsurf->xdpy->dpy, FALSE); + + return TRUE; +} + +static boolean +ximage_surface_flush_frontbuffer(struct native_surface *nsurf) +{ + return ximage_surface_draw_buffer(nsurf, NATIVE_ATTACHMENT_FRONT_LEFT); +} + +static boolean +ximage_surface_swap_buffers(struct native_surface *nsurf) +{ + struct ximage_surface *xsurf = ximage_surface(nsurf); + struct ximage_buffer *xfront, *xback, xtmp; + + xfront = &xsurf->buffers[NATIVE_ATTACHMENT_FRONT_LEFT]; + xback = &xsurf->buffers[NATIVE_ATTACHMENT_BACK_LEFT]; + + /* draw the back buffer directly if there is no front buffer */ + if (!xfront->texture) + return ximage_surface_draw_buffer(nsurf, NATIVE_ATTACHMENT_BACK_LEFT); + + /* swap the buffers */ + xtmp = *xfront; + *xfront = *xback; + *xback = xtmp; + + return ximage_surface_draw_buffer(nsurf, NATIVE_ATTACHMENT_FRONT_LEFT); +} + +static void +ximage_surface_update_geometry(struct native_surface *nsurf) +{ + struct ximage_surface *xsurf = ximage_surface(nsurf); + Status ok; + Window root; + int x, y; + unsigned int w, h, border, depth; + + /* pbuffer has fixed geometry */ + if (xsurf->type == XIMAGE_SURFACE_TYPE_PBUFFER) + return; + + ok = XGetGeometry(xsurf->xdpy->dpy, xsurf->drawable, + &root, &x, &y, &w, &h, &border, &depth); + if (ok) { + xsurf->width = w; + xsurf->height = h; + } +} + +static boolean +ximage_surface_validate(struct native_surface *nsurf, + const enum native_attachment *natts, + unsigned num_natts, + struct pipe_texture **textures, + int *width, int *height) +{ + struct ximage_surface *xsurf = ximage_surface(nsurf); + boolean error = FALSE; + unsigned i; + + ximage_surface_update_geometry(&xsurf->base); + + if (textures) + memset(textures, 0, sizeof(*textures) * num_natts); + + for (i = 0; i < num_natts; i++) { + enum native_attachment natt = natts[i]; + struct ximage_buffer *xbuf = &xsurf->buffers[natt]; + + if (!xbuf) + continue; + + /* reallocate the texture */ + if (!xbuf->texture || + xsurf->width != xbuf->texture->width0 || + xsurf->height != xbuf->texture->height0) { + if (ximage_surface_alloc_buffer(&xsurf->base, natt)) { + /* update ximage */ + if (xbuf->ximage) { + xbuf->ximage->width = xbuf->transfer->width; + xbuf->ximage->height = xbuf->transfer->height; + xbuf->ximage->bytes_per_line = xbuf->transfer->stride; + } + } + } + + /* allocation failed */ + if (!xbuf->texture) { + unsigned j; + for (j = 0; j < i; j++) + pipe_texture_reference(&textures[j], NULL); + for (j = i; j < num_natts; j++) + textures[j] = NULL; + error = TRUE; + break; + } + + if (textures) + pipe_texture_reference(&textures[i], xbuf->texture); + } + + if (width) + *width = xsurf->width; + if (height) + *height = xsurf->height; + + return !error; +} + +static void +ximage_surface_wait(struct native_surface *nsurf) +{ + struct ximage_surface *xsurf = ximage_surface(nsurf); + XSync(xsurf->xdpy->dpy, FALSE); + /* TODO XGetImage and update the front texture */ +} + +static void +ximage_surface_destroy(struct native_surface *nsurf) +{ + struct ximage_surface *xsurf = ximage_surface(nsurf); + int i; + + for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++) { + struct ximage_buffer *xbuf = &xsurf->buffers[i]; + ximage_surface_free_buffer(&xsurf->base, i); + /* xbuf->shm_info is owned by xbuf->ximage? */ + if (xbuf->ximage) { + XDestroyImage(xbuf->ximage); + xbuf->ximage = NULL; + } + } + + if (xsurf->type != XIMAGE_SURFACE_TYPE_PBUFFER) + XFreeGC(xsurf->xdpy->dpy, xsurf->gc); + free(xsurf); +} + +static struct ximage_surface * +ximage_display_create_surface(struct native_display *ndpy, + enum ximage_surface_type type, + Drawable drawable, + const struct native_config *nconf) +{ + struct ximage_display *xdpy = ximage_display(ndpy); + struct ximage_config *xconf = ximage_config(nconf); + struct ximage_surface *xsurf; + int i; + + xsurf = CALLOC_STRUCT(ximage_surface); + if (!xsurf) + return NULL; + + xsurf->xdpy = xdpy; + xsurf->type = type; + xsurf->color_format = xconf->base.color_format; + xsurf->drawable = drawable; + + if (xsurf->type != XIMAGE_SURFACE_TYPE_PBUFFER) { + xsurf->drawable = drawable; + xsurf->visual = *xconf->visual; + + xsurf->gc = XCreateGC(xdpy->dpy, xsurf->drawable, 0, NULL); + if (!xsurf->gc) { + free(xsurf); + return NULL; + } + + for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++) { + struct ximage_buffer *xbuf = &xsurf->buffers[i]; + + if (xdpy->use_xshm) { + xbuf->shm_info = calloc(1, sizeof(*xbuf->shm_info)); + if (xbuf->shm_info) { + /* initialize shm info */ + xbuf->shm_info->shmid = -1; + xbuf->shm_info->shmaddr = (void *) -1; + xbuf->shm_info->readOnly = TRUE; + + xbuf->ximage = XShmCreateImage(xsurf->xdpy->dpy, + xsurf->visual.visual, + xsurf->visual.depth, + ZPixmap, NULL, + xbuf->shm_info, + 0, 0); + } + } + else { + xbuf->ximage = XCreateImage(xsurf->xdpy->dpy, + xsurf->visual.visual, + xsurf->visual.depth, + ZPixmap, 0, /* format, offset */ + NULL, /* data */ + 0, 0, /* size */ + 8, /* bitmap_pad */ + 0); /* bytes_per_line */ + } + + if (!xbuf->ximage) { + XFreeGC(xdpy->dpy, xsurf->gc); + free(xsurf); + return NULL; + } + } + } + + xsurf->base.destroy = ximage_surface_destroy; + xsurf->base.swap_buffers = ximage_surface_swap_buffers; + xsurf->base.flush_frontbuffer = ximage_surface_flush_frontbuffer; + xsurf->base.validate = ximage_surface_validate; + xsurf->base.wait = ximage_surface_wait; + + return xsurf; +} + +static struct native_surface * +ximage_display_create_window_surface(struct native_display *ndpy, + EGLNativeWindowType win, + const struct native_config *nconf) +{ + struct ximage_surface *xsurf; + + xsurf = ximage_display_create_surface(ndpy, XIMAGE_SURFACE_TYPE_WINDOW, + (Drawable) win, nconf); + return (xsurf) ? &xsurf->base : NULL; +} + +static struct native_surface * +ximage_display_create_pixmap_surface(struct native_display *ndpy, + EGLNativePixmapType pix, + const struct native_config *nconf) +{ + struct ximage_surface *xsurf; + + xsurf = ximage_display_create_surface(ndpy, XIMAGE_SURFACE_TYPE_PIXMAP, + (Drawable) pix, nconf); + return (xsurf) ? &xsurf->base : NULL; +} + +static struct native_surface * +ximage_display_create_pbuffer_surface(struct native_display *ndpy, + const struct native_config *nconf, + uint width, uint height) +{ + struct ximage_surface *xsurf; + + xsurf = ximage_display_create_surface(ndpy, XIMAGE_SURFACE_TYPE_PBUFFER, + (Drawable) None, nconf); + if (xsurf) { + xsurf->width = width; + xsurf->height = height; + } + return (xsurf) ? &xsurf->base : NULL; +} + +static struct pipe_context * +ximage_display_create_context(struct native_display *ndpy, + void *context_private) +{ + struct pipe_context *pctx = softpipe_create(ndpy->screen); + if (pctx) + pctx->priv = context_private; + return pctx; +} + +static enum pipe_format +choose_format(const XVisualInfo *vinfo) +{ + enum pipe_format fmt; + /* TODO elaborate the formats */ + switch (vinfo->depth) { + case 32: + fmt = PIPE_FORMAT_A8R8G8B8_UNORM; + break; + case 24: + fmt = PIPE_FORMAT_X8R8G8B8_UNORM; + break; + case 16: + fmt = PIPE_FORMAT_R5G6B5_UNORM; + break; + default: + fmt = PIPE_FORMAT_NONE; + break; + } + + return fmt; +} + +static const struct native_config ** +ximage_display_get_configs(struct native_display *ndpy, int *num_configs) +{ + struct ximage_display *xdpy = ximage_display(ndpy); + const struct native_config **configs; + int i; + + /* first time */ + if (!xdpy->configs) { + const XVisualInfo *visuals; + int num_visuals, count, j; + + visuals = x11_screen_get_visuals(xdpy->xscr, &num_visuals); + if (!visuals) + return NULL; + + /* + * Create two configs for each visual. + * One with depth/stencil buffer; one without + */ + xdpy->configs = calloc(num_visuals * 2, sizeof(*xdpy->configs)); + if (!xdpy->configs) + return NULL; + + count = 0; + for (i = 0; i < num_visuals; i++) { + for (j = 0; j < 2; j++) { + struct ximage_config *xconf = &xdpy->configs[count]; + __GLcontextModes *mode = &xconf->base.mode; + + xconf->visual = &visuals[i]; + xconf->base.color_format = choose_format(xconf->visual); + if (xconf->base.color_format == PIPE_FORMAT_NONE) + continue; + + x11_screen_convert_visual(xdpy->xscr, xconf->visual, mode); + /* support double buffer mode */ + mode->doubleBufferMode = TRUE; + + xconf->base.depth_format = PIPE_FORMAT_NONE; + xconf->base.stencil_format = PIPE_FORMAT_NONE; + /* create the second config with depth/stencil buffer */ + if (j == 1) { + xconf->base.depth_format = PIPE_FORMAT_S8Z24_UNORM; + xconf->base.stencil_format = PIPE_FORMAT_S8Z24_UNORM; + mode->depthBits = 24; + mode->stencilBits = 8; + mode->haveDepthBuffer = TRUE; + mode->haveStencilBuffer = TRUE; + } + + mode->maxPbufferWidth = 4096; + mode->maxPbufferHeight = 4096; + mode->maxPbufferPixels = 4096 * 4096; + mode->drawableType = + GLX_WINDOW_BIT | GLX_PIXMAP_BIT | GLX_PBUFFER_BIT; + mode->swapMethod = GLX_SWAP_EXCHANGE_OML; + + if (mode->alphaBits) + mode->bindToTextureRgba = TRUE; + else + mode->bindToTextureRgb = TRUE; + + count++; + } + } + + xdpy->num_configs = count; + } + + configs = malloc(xdpy->num_configs * sizeof(*configs)); + if (configs) { + for (i = 0; i < xdpy->num_configs; i++) + configs[i] = (const struct native_config *) &xdpy->configs[i]; + if (num_configs) + *num_configs = xdpy->num_configs; + } + return configs; +} + +static void +ximage_display_destroy(struct native_display *ndpy) +{ + struct ximage_display *xdpy = ximage_display(ndpy); + + if (xdpy->configs) + free(xdpy->configs); + + xdpy->base.screen->destroy(xdpy->base.screen); + free(xdpy->winsys); + + x11_screen_destroy(xdpy->xscr); + if (xdpy->own_dpy) + XCloseDisplay(xdpy->dpy); + free(xdpy); +} + +static void +ximage_display_flush_frontbuffer(void *dummy, struct pipe_surface *surf, + void *context_private) +{ + /* TODO get native surface from context private, and remove the callback */ + _eglLog(_EGL_WARNING, "flush_frontbuffer is not supplied"); +} + +struct native_display * +x11_create_ximage_display(EGLNativeDisplayType dpy, + boolean use_xshm, + native_flush_frontbuffer flush_frontbuffer) +{ + struct ximage_display *xdpy; + + xdpy = CALLOC_STRUCT(ximage_display); + if (!xdpy) + return NULL; + + xdpy->dpy = dpy; + if (!xdpy->dpy) { + xdpy->dpy = XOpenDisplay(NULL); + if (!xdpy->dpy) { + free(xdpy); + return NULL; + } + xdpy->own_dpy = TRUE; + } + + xdpy->xscr_number = DefaultScreen(xdpy->dpy); + xdpy->xscr = x11_screen_create(xdpy->dpy, xdpy->xscr_number); + if (!xdpy->xscr) { + free(xdpy); + return NULL; + } + + xdpy->use_xshm = + (use_xshm && x11_screen_support(xdpy->xscr, X11_SCREEN_EXTENSION_XSHM)); + + xdpy->winsys = create_sw_winsys(); + if (!flush_frontbuffer) + flush_frontbuffer = ximage_display_flush_frontbuffer; + xdpy->winsys->flush_frontbuffer = + (void (*)(struct pipe_winsys *, struct pipe_surface *, void *)) + flush_frontbuffer; + + xdpy->base.screen = softpipe_create_screen(xdpy->winsys); + + xdpy->base.destroy = ximage_display_destroy; + + xdpy->base.get_configs = ximage_display_get_configs; + xdpy->base.create_context = ximage_display_create_context; + xdpy->base.create_window_surface = ximage_display_create_window_surface; + xdpy->base.create_pixmap_surface = ximage_display_create_pixmap_surface; + xdpy->base.create_pbuffer_surface = ximage_display_create_pbuffer_surface; + + return &xdpy->base; +} diff --git a/src/gallium/state_trackers/egl_g3d/x11/sw_winsys.c b/src/gallium/state_trackers/egl_g3d/x11/sw_winsys.c new file mode 100644 index 0000000000..6ee3ede38c --- /dev/null +++ b/src/gallium/state_trackers/egl_g3d/x11/sw_winsys.c @@ -0,0 +1,231 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/** + * Totally software-based winsys layer. + * Note that the one winsys function that we can't implement here + * is flush_frontbuffer(). + * Whoever uses this code will have to provide that. + * + * Authors: Brian Paul + */ + + +#include "pipe/internal/p_winsys_screen.h" +#include "pipe/p_state.h" +#include "pipe/p_inlines.h" +#include "util/u_format.h" +#include "util/u_math.h" +#include "util/u_memory.h" + +#include "sw_winsys.h" + + + +/** Subclass of pipe_winsys */ +struct sw_pipe_winsys +{ + struct pipe_winsys Base; + /* no extra fields for now */ +}; + + +/** subclass of pipe_buffer */ +struct sw_pipe_buffer +{ + struct pipe_buffer Base; + boolean UserBuffer; /** Is this a user-space buffer? */ + void *Data; + void *Mapped; +}; + + +/** cast wrapper */ +static INLINE struct sw_pipe_buffer * +sw_pipe_buffer(struct pipe_buffer *b) +{ + return (struct sw_pipe_buffer *) b; +} + + +static const char * +get_name(struct pipe_winsys *pws) +{ + return "software"; +} + + +/** Create new pipe_buffer and allocate storage of given size */ +static struct pipe_buffer * +buffer_create(struct pipe_winsys *pws, + unsigned alignment, + unsigned usage, + unsigned size) +{ + struct sw_pipe_buffer *buffer = CALLOC_STRUCT(sw_pipe_buffer); + if (!buffer) + return NULL; + + pipe_reference_init(&buffer->Base.reference, 1); + buffer->Base.alignment = alignment; + buffer->Base.usage = usage; + buffer->Base.size = size; + + /* align to 16-byte multiple for Cell */ + buffer->Data = align_malloc(size, MAX2(alignment, 16)); + + return &buffer->Base; +} + + +/** + * Create buffer which wraps user-space data. + */ +static struct pipe_buffer * +user_buffer_create(struct pipe_winsys *pws, void *ptr, unsigned bytes) +{ + struct sw_pipe_buffer *buffer = CALLOC_STRUCT(sw_pipe_buffer); + if (!buffer) + return NULL; + + pipe_reference_init(&buffer->Base.reference, 1); + buffer->Base.size = bytes; + buffer->UserBuffer = TRUE; + buffer->Data = ptr; + + return &buffer->Base; +} + + +static void * +buffer_map(struct pipe_winsys *pws, struct pipe_buffer *buf, unsigned flags) +{ + struct sw_pipe_buffer *buffer = sw_pipe_buffer(buf); + buffer->Mapped = buffer->Data; + return buffer->Mapped; +} + + +static void +buffer_unmap(struct pipe_winsys *pws, struct pipe_buffer *buf) +{ + struct sw_pipe_buffer *buffer = sw_pipe_buffer(buf); + buffer->Mapped = NULL; +} + + +static void +buffer_destroy(struct pipe_buffer *buf) +{ + struct sw_pipe_buffer *buffer = sw_pipe_buffer(buf); + + if (buffer->Data && !buffer->UserBuffer) { + align_free(buffer->Data); + buffer->Data = NULL; + } + + free(buffer); +} + + +static struct pipe_buffer * +surface_buffer_create(struct pipe_winsys *winsys, + unsigned width, unsigned height, + enum pipe_format format, + unsigned usage, + unsigned tex_usage, + unsigned *stride) +{ + const unsigned alignment = 64; + unsigned nblocksy; + + nblocksy = util_format_get_nblocksy(format, height); + *stride = align(util_format_get_stride(format, width), alignment); + + return winsys->buffer_create(winsys, alignment, + usage, + *stride * nblocksy); +} + + +static void +fence_reference(struct pipe_winsys *sws, struct pipe_fence_handle **ptr, + struct pipe_fence_handle *fence) +{ + /* no-op */ +} + + +static int +fence_signalled(struct pipe_winsys *sws, struct pipe_fence_handle *fence, + unsigned flag) +{ + /* no-op */ + return 0; +} + + +static int +fence_finish(struct pipe_winsys *sws, struct pipe_fence_handle *fence, + unsigned flag) +{ + /* no-op */ + return 0; +} + + +/** + * Create/return a new pipe_winsys object. + */ +struct pipe_winsys * +create_sw_winsys(void) +{ + struct sw_pipe_winsys *ws = CALLOC_STRUCT(sw_pipe_winsys); + if (!ws) + return NULL; + + /* Fill in this struct with callbacks that pipe will need to + * communicate with the window system, buffer manager, etc. + */ + ws->Base.buffer_create = buffer_create; + ws->Base.user_buffer_create = user_buffer_create; + ws->Base.buffer_map = buffer_map; + ws->Base.buffer_unmap = buffer_unmap; + ws->Base.buffer_destroy = buffer_destroy; + + ws->Base.surface_buffer_create = surface_buffer_create; + + ws->Base.fence_reference = fence_reference; + ws->Base.fence_signalled = fence_signalled; + ws->Base.fence_finish = fence_finish; + + ws->Base.flush_frontbuffer = NULL; /* not implemented here! */ + + ws->Base.get_name = get_name; + + return &ws->Base; +} diff --git a/src/gallium/state_trackers/egl_g3d/x11/sw_winsys.h b/src/gallium/state_trackers/egl_g3d/x11/sw_winsys.h new file mode 100644 index 0000000000..f96c5a14b0 --- /dev/null +++ b/src/gallium/state_trackers/egl_g3d/x11/sw_winsys.h @@ -0,0 +1,40 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef SW_WINSYS_H +#define SW_WINSYS_H + + +struct pipe_winsys; + + +extern struct pipe_winsys * +create_sw_winsys(void); + + +#endif /* SW_WINSYS_H */ diff --git a/src/gallium/state_trackers/egl_g3d/x11/x11_screen.c b/src/gallium/state_trackers/egl_g3d/x11/x11_screen.c new file mode 100644 index 0000000000..1e98943242 --- /dev/null +++ b/src/gallium/state_trackers/egl_g3d/x11/x11_screen.c @@ -0,0 +1,402 @@ +/* + * Mesa 3-D graphics library + * Version: 7.8 + * + * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include <unistd.h> +#include <fcntl.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <X11/Xlibint.h> +#include <X11/extensions/XShm.h> +#include "util/u_memory.h" +#include "util/u_math.h" +#include "xf86drm.h" +#include "egllog.h" + +#include "x11_screen.h" +#include "dri2.h" +#include "glxinit.h" + +struct x11_screen { + Display *dpy; + int number; + + __GLXdisplayPrivate *glx_dpy; + + int dri_major, dri_minor; + char *dri_driver; + char *dri_device; + int dri_fd; + + XVisualInfo *visuals; + int num_visuals; +}; + + +/** + * Create a X11 screen. + */ +struct x11_screen * +x11_screen_create(Display *dpy, int screen) +{ + struct x11_screen *xscr; + + if (screen >= ScreenCount(dpy)) + return NULL; + + xscr = CALLOC_STRUCT(x11_screen); + if (xscr) { + xscr->dpy = dpy; + xscr->number = screen; + + xscr->dri_major = -1; + xscr->dri_fd = -1; + } + return xscr; +} + +/** + * Destroy a X11 screen. + */ +void +x11_screen_destroy(struct x11_screen *xscr) +{ + if (xscr->dri_fd >= 0) + close(xscr->dri_fd); + if (xscr->dri_driver) + Xfree(xscr->dri_driver); + if (xscr->dri_device) + Xfree(xscr->dri_device); + + if (xscr->glx_dpy) + __glXRelease(xscr->glx_dpy); + if (xscr->visuals) + XFree(xscr->visuals); + free(xscr); +} + +static boolean +x11_screen_init_dri2(struct x11_screen *xscr) +{ + if (xscr->dri_major < 0) { + int eventBase, errorBase; + + if (!DRI2QueryExtension(xscr->dpy, &eventBase, &errorBase) || + !DRI2QueryVersion(xscr->dpy, &xscr->dri_major, &xscr->dri_minor)) + xscr->dri_major = -1; + } + return (xscr->dri_major >= 0); +} + +static boolean +x11_screen_init_glx(struct x11_screen *xscr) +{ + if (!xscr->glx_dpy) + xscr->glx_dpy = __glXInitialize(xscr->dpy); + return (xscr->glx_dpy != NULL); +} + +/** + * Return true if the screen supports the extension. + */ +boolean +x11_screen_support(struct x11_screen *xscr, enum x11_screen_extension ext) +{ + boolean supported = FALSE; + + switch (ext) { + case X11_SCREEN_EXTENSION_XSHM: + supported = XShmQueryExtension(xscr->dpy); + break; + case X11_SCREEN_EXTENSION_GLX: + supported = x11_screen_init_glx(xscr); + break; + case X11_SCREEN_EXTENSION_DRI2: + supported = x11_screen_init_dri2(xscr); + break; + default: + break; + } + + return supported; +} + +/** + * Return the X visuals. + */ +const XVisualInfo * +x11_screen_get_visuals(struct x11_screen *xscr, int *num_visuals) +{ + if (!xscr->visuals) { + XVisualInfo vinfo_template; + vinfo_template.screen = xscr->number; + xscr->visuals = XGetVisualInfo(xscr->dpy, VisualScreenMask, + &vinfo_template, &xscr->num_visuals); + } + + if (num_visuals) + *num_visuals = xscr->num_visuals; + return xscr->visuals; +} + +void +x11_screen_convert_visual(struct x11_screen *xscr, const XVisualInfo *visual, + __GLcontextModes *mode) +{ + int r, g, b, a; + int visual_type; + + r = util_bitcount(visual->red_mask); + g = util_bitcount(visual->green_mask); + b = util_bitcount(visual->blue_mask); + a = visual->depth - (r + g + b); +#if defined(__cplusplus) || defined(c_plusplus) + visual_type = visual->c_class; +#else + visual_type = visual->class; +#endif + + /* convert to GLX visual type */ + switch (visual_type) { + case TrueColor: + visual_type = GLX_TRUE_COLOR; + break; + case DirectColor: + visual_type = GLX_DIRECT_COLOR; + break; + case PseudoColor: + visual_type = GLX_PSEUDO_COLOR; + break; + case StaticColor: + visual_type = GLX_STATIC_COLOR; + break; + case GrayScale: + visual_type = GLX_GRAY_SCALE; + break; + case StaticGray: + visual_type = GLX_STATIC_GRAY; + break; + default: + visual_type = GLX_NONE; + break; + } + + mode->rgbBits = r + g + b + a; + mode->redBits = r; + mode->greenBits = g; + mode->blueBits = b; + mode->alphaBits = a; + mode->visualID = visual->visualid; + mode->visualType = visual_type; + + /* sane defaults */ + mode->renderType = GLX_RGBA_BIT; + mode->rgbMode = TRUE; + mode->visualRating = GLX_SLOW_CONFIG; + mode->xRenderable = TRUE; +} + +/** + * Return the GLX fbconfigs. + */ +const __GLcontextModes * +x11_screen_get_glx_configs(struct x11_screen *xscr) +{ + return (x11_screen_init_glx(xscr)) + ? xscr->glx_dpy->screenConfigs[xscr->number].configs + : NULL; +} + +/** + * Return the GLX visuals. + */ +const __GLcontextModes * +x11_screen_get_glx_visuals(struct x11_screen *xscr) +{ + return (x11_screen_init_glx(xscr)) + ? xscr->glx_dpy->screenConfigs[xscr->number].visuals + : NULL; +} + +static boolean +x11_screen_is_driver_equal(struct x11_screen *xscr, const char *driver) +{ + return (strcmp(xscr->dri_driver, driver) == 0); +} + +/** + * Enable DRI2 and returns the file descriptor of the DRM device. The file + * descriptor will be closed automatically when the screen is destoryed. + */ +int +x11_screen_enable_dri2(struct x11_screen *xscr, const char *driver) +{ + if (xscr->dri_fd < 0) { + int fd; + drm_magic_t magic; + + /* get the driver name and the device name first */ + if (!xscr->dri_driver) { + if (!DRI2Connect(xscr->dpy, RootWindow(xscr->dpy, xscr->number), + &xscr->dri_driver, &xscr->dri_device)) { + xscr->dri_driver = xscr->dri_device = NULL; + return -1; + } + } + + if (!x11_screen_is_driver_equal(xscr, driver)) { + _eglLog(_EGL_WARNING, "Driver mismatch: %s != %s", + xscr->dri_driver, driver); + return -1; + } + + fd = open(xscr->dri_device, O_RDWR); + if (fd < 0) { + _eglLog(_EGL_WARNING, "failed to open %s", xscr->dri_device); + return -1; + } + + memset(&magic, 0, sizeof(magic)); + if (drmGetMagic(fd, &magic)) { + _eglLog(_EGL_WARNING, "failed to get magic"); + close(fd); + return -1; + } + + if (!DRI2Authenticate(xscr->dpy, + RootWindow(xscr->dpy, xscr->number), magic)) { + _eglLog(_EGL_WARNING, "failed to authenticate magic"); + close(fd); + return -1; + } + + xscr->dri_fd = fd; + } + + return xscr->dri_fd; +} + +/** + * Create/Destroy the DRI drawable. + */ +void +x11_drawable_enable_dri2(struct x11_screen *xscr, + Drawable drawable, boolean on) +{ + if (on) + DRI2CreateDrawable(xscr->dpy, drawable); + else + DRI2DestroyDrawable(xscr->dpy, drawable); +} + +/** + * Copy between buffers of the DRI2 drawable. + */ +void +x11_drawable_copy_buffers(struct x11_screen *xscr, Drawable drawable, + int x, int y, int width, int height, + int src_buf, int dst_buf) +{ + XRectangle rect; + XserverRegion region; + + rect.x = x; + rect.y = y; + rect.width = width; + rect.height = height; + + region = XFixesCreateRegion(xscr->dpy, &rect, 1); + DRI2CopyRegion(xscr->dpy, drawable, region, dst_buf, src_buf); + XFixesDestroyRegion(xscr->dpy, region); +} + +/** + * Get the buffers of the DRI2 drawable. The returned array should be freed. + */ +struct x11_drawable_buffer * +x11_drawable_get_buffers(struct x11_screen *xscr, Drawable drawable, + int *width, int *height, unsigned int *attachments, + boolean with_format, int num_ins, int *num_outs) +{ + DRI2Buffer *dri2bufs; + + if (with_format) + dri2bufs = DRI2GetBuffersWithFormat(xscr->dpy, drawable, width, height, + attachments, num_ins, num_outs); + else + dri2bufs = DRI2GetBuffers(xscr->dpy, drawable, width, height, + attachments, num_ins, num_outs); + + return (struct x11_drawable_buffer *) dri2bufs; +} + +/** + * Create a mode list of the given size. + */ +__GLcontextModes * +x11_context_modes_create(unsigned count) +{ + const size_t size = sizeof(__GLcontextModes); + __GLcontextModes *base = NULL; + __GLcontextModes **next; + unsigned i; + + next = &base; + for (i = 0; i < count; i++) { + *next = (__GLcontextModes *) calloc(1, size); + if (*next == NULL) { + x11_context_modes_destroy(base); + base = NULL; + break; + } + next = &((*next)->next); + } + + return base; +} + +/** + * Destroy a mode list. + */ +void +x11_context_modes_destroy(__GLcontextModes *modes) +{ + while (modes != NULL) { + __GLcontextModes *next = modes->next; + free(modes); + modes = next; + } +} + +/** + * Return the number of the modes in the mode list. + */ +unsigned +x11_context_modes_count(const __GLcontextModes *modes) +{ + const __GLcontextModes *mode; + int count = 0; + for (mode = modes; mode; mode = mode->next) + count++; + return count; +} diff --git a/src/gallium/state_trackers/egl_g3d/x11/x11_screen.h b/src/gallium/state_trackers/egl_g3d/x11/x11_screen.h new file mode 100644 index 0000000000..86e8e0501a --- /dev/null +++ b/src/gallium/state_trackers/egl_g3d/x11/x11_screen.h @@ -0,0 +1,99 @@ +/* + * Mesa 3-D graphics library + * Version: 7.8 + * + * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef _X11_SCREEN_H_ +#define _X11_SCREEN_H_ + +#include <X11/Xlib.h> +#include <X11/Xutil.h> +#include <X11/extensions/dri2tokens.h> +#include "pipe/p_compiler.h" +#include "common/native.h" + +enum x11_screen_extension { + X11_SCREEN_EXTENSION_XSHM, + X11_SCREEN_EXTENSION_GLX, + X11_SCREEN_EXTENSION_DRI2, +}; + +/* the same as DRI2Buffer */ +struct x11_drawable_buffer { + unsigned int attachment; + unsigned int name; + unsigned int pitch; + unsigned int cpp; + unsigned int flags; +}; + +struct x11_screen; + +struct x11_screen * +x11_screen_create(Display *dpy, int screen); + +void +x11_screen_destroy(struct x11_screen *xscr); + +boolean +x11_screen_support(struct x11_screen *xscr, enum x11_screen_extension ext); + +const XVisualInfo * +x11_screen_get_visuals(struct x11_screen *xscr, int *num_visuals); + +void +x11_screen_convert_visual(struct x11_screen *xscr, const XVisualInfo *visual, + __GLcontextModes *mode); + +const __GLcontextModes * +x11_screen_get_glx_configs(struct x11_screen *xscr); + +const __GLcontextModes * +x11_screen_get_glx_visuals(struct x11_screen *xscr); + +int +x11_screen_enable_dri2(struct x11_screen *xscr, const char *driver); + +__GLcontextModes * +x11_context_modes_create(unsigned count); + +void +x11_context_modes_destroy(__GLcontextModes *modes); + +unsigned +x11_context_modes_count(const __GLcontextModes *modes); + +void +x11_drawable_enable_dri2(struct x11_screen *xscr, + Drawable drawable, boolean on); + +void +x11_drawable_copy_buffers(struct x11_screen *xscr, Drawable drawable, + int x, int y, int width, int height, + int src_buf, int dst_buf); + +struct x11_drawable_buffer * +x11_drawable_get_buffers(struct x11_screen *xscr, Drawable drawable, + int *width, int *height, unsigned int *attachments, + boolean with_format, int num_ins, int *num_outs); + +#endif /* _X11_SCREEN_H_ */ |