diff options
Diffstat (limited to 'src/mesa/drivers/dri/intel_winsys/intel_blit.c')
-rw-r--r-- | src/mesa/drivers/dri/intel_winsys/intel_blit.c | 394 |
1 files changed, 394 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/intel_winsys/intel_blit.c b/src/mesa/drivers/dri/intel_winsys/intel_blit.c new file mode 100644 index 0000000000..8e878f0088 --- /dev/null +++ b/src/mesa/drivers/dri/intel_winsys/intel_blit.c @@ -0,0 +1,394 @@ +/************************************************************************** + * + * Copyright 2003 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. + * + **************************************************************************/ + + +#include "mtypes.h" +#include "context.h" +#include "enums.h" + +#include "intel_batchbuffer.h" +#include "intel_blit.h" +#include "intel_buffers.h" +#include "intel_context.h" +#include "intel_fbo.h" +#include "intel_reg.h" +#include "vblank.h" + +#include "pipe/p_context.h" + + +#define FILE_DEBUG_FLAG DEBUG_BLIT + +/** + * Copy the back color buffer to the front color buffer. + * Used for SwapBuffers(). + */ +void +intelCopyBuffer(__DRIdrawablePrivate * dPriv, + const drm_clip_rect_t * rect) +{ + + struct intel_context *intel; + const intelScreenPrivate *intelScreen; + + DBG("%s\n", __FUNCTION__); + + assert(dPriv); + + intel = intelScreenContext(dPriv->driScreenPriv->private); + if (!intel) + return; + + intelScreen = intel->intelScreen; + + if (intel->last_swap_fence) { + driFenceFinish(intel->last_swap_fence, DRM_FENCE_TYPE_EXE, GL_TRUE); + driFenceUnReference(intel->last_swap_fence); + intel->last_swap_fence = NULL; + } + intel->last_swap_fence = intel->first_swap_fence; + intel->first_swap_fence = NULL; + + /* The LOCK_HARDWARE is required for the cliprects. Buffer offsets + * should work regardless. + */ + LOCK_HARDWARE(intel); + /* if this drawable isn't currently bound the LOCK_HARDWARE done on the + current context (which is what intelScreenContext should return) might + not get a contended lock and thus cliprects not updated (tests/manywin) */ + if ((struct intel_context *)dPriv->driContextPriv->driverPrivate != intel) + DRI_VALIDATE_DRAWABLE_INFO(intel->driScreen, dPriv); + + + if (dPriv && dPriv->numClipRects) { + struct intel_framebuffer *intel_fb = dPriv->driverPrivate; + const struct pipe_region *backRegion + = intel_fb->Base._ColorDrawBufferMask[0] == BUFFER_BIT_FRONT_LEFT ? + intel_get_rb_region(&intel_fb->Base, BUFFER_FRONT_LEFT) : + intel_get_rb_region(&intel_fb->Base, BUFFER_BACK_LEFT); + const int backWidth = intel_fb->Base.Width; + const int backHeight = intel_fb->Base.Height; + const int nbox = dPriv->numClipRects; + const drm_clip_rect_t *pbox = dPriv->pClipRects; + const int pitch = intelScreen->front.pitch / intelScreen->front.cpp; + const int srcpitch = backRegion->pitch; + const int cpp = intelScreen->front.cpp; + int BR13, CMD; + int i; + + ASSERT(intel_fb); + ASSERT(intel_fb->Base.Name == 0); /* Not a user-created FBO */ + ASSERT(backRegion); + ASSERT(backRegion->cpp == cpp); + + DBG("front pitch %d back pitch %d\n", + pitch, backRegion->pitch); + + if (cpp == 2) { + BR13 = (pitch * cpp) | (0xCC << 16) | (1 << 24); + CMD = XY_SRC_COPY_BLT_CMD; + } + else { + BR13 = (pitch * cpp) | (0xCC << 16) | (1 << 24) | (1 << 25); + CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA | + XY_SRC_COPY_BLT_WRITE_RGB); + } + + for (i = 0; i < nbox; i++, pbox++) { + drm_clip_rect_t box; + drm_clip_rect_t sbox; + + if (pbox->x1 > pbox->x2 || + pbox->y1 > pbox->y2 || + pbox->x2 > intelScreen->front.width || + pbox->y2 > intelScreen->front.height) + continue; + + box = *pbox; + + if (rect) { + drm_clip_rect_t rrect; + + rrect.x1 = dPriv->x + rect->x1; + rrect.y1 = (dPriv->h - rect->y1 - rect->y2) + dPriv->y; + rrect.x2 = rect->x2 + rrect.x1; + rrect.y2 = rect->y2 + rrect.y1; + if (rrect.x1 > box.x1) + box.x1 = rrect.x1; + if (rrect.y1 > box.y1) + box.y1 = rrect.y1; + if (rrect.x2 < box.x2) + box.x2 = rrect.x2; + if (rrect.y2 < box.y2) + box.y2 = rrect.y2; + + if (box.x1 > box.x2 || box.y1 > box.y2) + continue; + } + + /* restrict blit to size of actually rendered area */ + if (box.x2 - box.x1 > backWidth) + box.x2 = backWidth + box.x1; + if (box.y2 - box.y1 > backHeight) + box.y2 = backHeight + box.y1; + + DBG("box x1 x2 y1 y2 %d %d %d %d\n", + box.x1, box.x2, box.y1, box.y2); + + sbox.x1 = box.x1 - dPriv->x; + sbox.y1 = box.y1 - dPriv->y; + + BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS); + OUT_BATCH(CMD); + OUT_BATCH(BR13); + OUT_BATCH((box.y1 << 16) | box.x1); + OUT_BATCH((box.y2 << 16) | box.x2); + + OUT_RELOC(intelScreen->front.buffer, + DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE, + DRM_BO_MASK_MEM | DRM_BO_FLAG_WRITE, 0); + OUT_BATCH((sbox.y1 << 16) | sbox.x1); + OUT_BATCH((srcpitch * cpp) & 0xffff); + OUT_RELOC(backRegion->buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ, + DRM_BO_MASK_MEM | DRM_BO_FLAG_READ, 0); + + ADVANCE_BATCH(); + } + + if (intel->first_swap_fence) + driFenceUnReference(intel->first_swap_fence); + intel->first_swap_fence = intel_batchbuffer_flush(intel->batch); + driFenceReference(intel->first_swap_fence); + } + + UNLOCK_HARDWARE(intel); + + /* XXX this is bogus. The context here may not even be bound to this drawable! */ + if (intel->lastStamp != dPriv->lastStamp) { + GET_CURRENT_CONTEXT(currctx); + struct intel_context *intelcurrent = intel_context(currctx); + if (intelcurrent == intel && intelcurrent->driDrawable == dPriv) { + intelWindowMoved(intel); + intel->lastStamp = dPriv->lastStamp; + } + } + +} + + + + +void +intelEmitFillBlit(struct intel_context *intel, + GLuint cpp, + GLshort dst_pitch, + struct _DriBufferObject *dst_buffer, + GLuint dst_offset, + GLshort x, GLshort y, GLshort w, GLshort h, + GLuint value, GLuint mask) +{ + GLuint BR13, CMD; + GLboolean badMask = GL_FALSE; + BATCH_LOCALS; + + /* + printf("Emit fill blit value=0x%x mask=0x%x\n", value, mask); + */ + + dst_pitch *= cpp; + + switch (cpp) { + case 1: + case 2: + case 3: + BR13 = dst_pitch | (0xF0 << 16) | (1 << 24); + CMD = XY_COLOR_BLT_CMD; + if ((mask & 0xffff) != 0xffff) + badMask = GL_TRUE; + break; + case 4: + BR13 = dst_pitch | (0xF0 << 16) | (1 << 24) | (1 << 25); +#if 0 + CMD = (XY_COLOR_BLT_CMD | XY_COLOR_BLT_WRITE_ALPHA | + XY_COLOR_BLT_WRITE_RGB); +#else + CMD = XY_COLOR_BLT_CMD; + if ((mask & 0xff000000) == 0xff000000) + CMD |= XY_COLOR_BLT_WRITE_ALPHA; + else if (mask & 0xff000000) + badMask = GL_TRUE; + if ((mask & 0x00ffffff) == 0x00ffffff) + CMD |= XY_COLOR_BLT_WRITE_RGB; + else if (mask & 0x00ffffff) + badMask = GL_TRUE; +#endif + break; + default: + return; + } + + assert(!badMask); + + DBG("%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n", + __FUNCTION__, dst_buffer, dst_pitch, dst_offset, x, y, w, h); + + + BEGIN_BATCH(6, INTEL_BATCH_NO_CLIPRECTS); + OUT_BATCH(CMD); + OUT_BATCH(BR13); + OUT_BATCH((y << 16) | x); + OUT_BATCH(((y + h) << 16) | (x + w)); + OUT_RELOC(dst_buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE, + DRM_BO_MASK_MEM | DRM_BO_FLAG_WRITE, dst_offset); + OUT_BATCH(value); + ADVANCE_BATCH(); + + intel_batchbuffer_flush(intel->batch); +} + + +static GLuint translate_raster_op(GLenum logicop) +{ + switch(logicop) { + case GL_CLEAR: return 0x00; + case GL_AND: return 0x88; + case GL_AND_REVERSE: return 0x44; + case GL_COPY: return 0xCC; + case GL_AND_INVERTED: return 0x22; + case GL_NOOP: return 0xAA; + case GL_XOR: return 0x66; + case GL_OR: return 0xEE; + case GL_NOR: return 0x11; + case GL_EQUIV: return 0x99; + case GL_INVERT: return 0x55; + case GL_OR_REVERSE: return 0xDD; + case GL_COPY_INVERTED: return 0x33; + case GL_OR_INVERTED: return 0xBB; + case GL_NAND: return 0x77; + case GL_SET: return 0xFF; + default: return 0; + } +} + + +/* Copy BitBlt + */ +void +intelEmitCopyBlit(struct intel_context *intel, + GLuint cpp, + GLshort src_pitch, + struct _DriBufferObject *src_buffer, + GLuint src_offset, + GLshort dst_pitch, + struct _DriBufferObject *dst_buffer, + GLuint dst_offset, + GLshort src_x, GLshort src_y, + GLshort dst_x, GLshort dst_y, + GLshort w, GLshort h, + GLenum logic_op) +{ + GLuint CMD, BR13; + int dst_y2 = dst_y + h; + int dst_x2 = dst_x + w; + BATCH_LOCALS; + + + DBG("%s src:buf(%p)/%d+%d %d,%d dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n", + __FUNCTION__, + src_buffer, src_pitch, src_offset, src_x, src_y, + dst_buffer, dst_pitch, dst_offset, dst_x, dst_y, w, h); + + src_pitch *= cpp; + dst_pitch *= cpp; + + switch (cpp) { + case 1: + case 2: + case 3: + BR13 = (((GLint) dst_pitch) & 0xffff) | + (translate_raster_op(logic_op) << 16) | (1 << 24); + CMD = XY_SRC_COPY_BLT_CMD; + break; + case 4: + BR13 = + (((GLint) dst_pitch) & 0xffff) | + (translate_raster_op(logic_op) << 16) | (1 << 24) | (1 << 25); + CMD = + (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA | + XY_SRC_COPY_BLT_WRITE_RGB); + break; + default: + return; + } + + if (dst_y2 < dst_y || dst_x2 < dst_x) { + return; + } + + /* Initial y values don't seem to work with negative pitches. If + * we adjust the offsets manually (below), it seems to work fine. + * + * On the other hand, if we always adjust, the hardware doesn't + * know which blit directions to use, so overlapping copypixels get + * the wrong result. + */ + if (dst_pitch > 0 && src_pitch > 0) { + BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS); + OUT_BATCH(CMD); + OUT_BATCH(BR13); + OUT_BATCH((dst_y << 16) | dst_x); + OUT_BATCH((dst_y2 << 16) | dst_x2); + OUT_RELOC(dst_buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE, + DRM_BO_MASK_MEM | DRM_BO_FLAG_WRITE, dst_offset); + OUT_BATCH((src_y << 16) | src_x); + OUT_BATCH(((GLint) src_pitch & 0xffff)); + OUT_RELOC(src_buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ, + DRM_BO_MASK_MEM | DRM_BO_FLAG_READ, src_offset); + ADVANCE_BATCH(); + } + else { + BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS); + OUT_BATCH(CMD); + OUT_BATCH(BR13); + OUT_BATCH((0 << 16) | dst_x); + OUT_BATCH((h << 16) | dst_x2); + OUT_RELOC(dst_buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE, + DRM_BO_MASK_MEM | DRM_BO_FLAG_WRITE, + dst_offset + dst_y * dst_pitch); + OUT_BATCH((0 << 16) | src_x); + OUT_BATCH(((GLint) src_pitch & 0xffff)); + OUT_RELOC(src_buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ, + DRM_BO_MASK_MEM | DRM_BO_FLAG_READ, + src_offset + src_y * src_pitch); + ADVANCE_BATCH(); + } + + intel_batchbuffer_flush( intel->batch ); +} + + + |