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path: root/src/mesa/drivers/dri/radeon/radeon_fbo.c
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Diffstat (limited to 'src/mesa/drivers/dri/radeon/radeon_fbo.c')
-rw-r--r--src/mesa/drivers/dri/radeon/radeon_fbo.c615
1 files changed, 615 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/radeon/radeon_fbo.c b/src/mesa/drivers/dri/radeon/radeon_fbo.c
new file mode 100644
index 0000000000..f28efa33e9
--- /dev/null
+++ b/src/mesa/drivers/dri/radeon/radeon_fbo.c
@@ -0,0 +1,615 @@
+/**************************************************************************
+ *
+ * Copyright 2008 Red Hat Inc.
+ * 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 "main/imports.h"
+#include "main/macros.h"
+#include "main/mtypes.h"
+#include "main/fbobject.h"
+#include "main/framebuffer.h"
+#include "main/renderbuffer.h"
+#include "main/context.h"
+#include "main/texformat.h"
+#include "main/texrender.h"
+
+#include "radeon_common.h"
+#include "radeon_mipmap_tree.h"
+
+#define FILE_DEBUG_FLAG DEBUG_TEXTURE
+#define DBG(...) do { \
+ if (RADEON_DEBUG & FILE_DEBUG_FLAG) \
+ _mesa_printf(__VA_ARGS__); \
+} while(0)
+
+static struct gl_framebuffer *
+radeon_new_framebuffer(GLcontext *ctx, GLuint name)
+{
+ return _mesa_new_framebuffer(ctx, name);
+}
+
+static void
+radeon_delete_renderbuffer(struct gl_renderbuffer *rb)
+{
+ struct radeon_renderbuffer *rrb = radeon_renderbuffer(rb);
+
+ ASSERT(rrb);
+
+ if (rrb && rrb->bo) {
+ radeon_bo_unref(rrb->bo);
+ }
+ _mesa_free(rrb);
+}
+
+static void *
+radeon_get_pointer(GLcontext *ctx, struct gl_renderbuffer *rb,
+ GLint x, GLint y)
+{
+ return NULL;
+}
+
+/**
+ * Called via glRenderbufferStorageEXT() to set the format and allocate
+ * storage for a user-created renderbuffer.
+ */
+static GLboolean
+radeon_alloc_renderbuffer_storage(GLcontext * ctx, struct gl_renderbuffer *rb,
+ GLenum internalFormat,
+ GLuint width, GLuint height)
+{
+ struct radeon_context *radeon = RADEON_CONTEXT(ctx);
+ struct radeon_renderbuffer *rrb = radeon_renderbuffer(rb);
+ GLboolean software_buffer = GL_FALSE;
+ int cpp;
+
+ ASSERT(rb->Name != 0);
+ switch (internalFormat) {
+ case GL_R3_G3_B2:
+ case GL_RGB4:
+ case GL_RGB5:
+ rb->_ActualFormat = GL_RGB5;
+ rb->DataType = GL_UNSIGNED_BYTE;
+ rb->RedBits = 5;
+ rb->GreenBits = 6;
+ rb->BlueBits = 5;
+ cpp = 2;
+ break;
+ case GL_RGB:
+ case GL_RGB8:
+ case GL_RGB10:
+ case GL_RGB12:
+ case GL_RGB16:
+ rb->_ActualFormat = GL_RGB8;
+ rb->DataType = GL_UNSIGNED_BYTE;
+ rb->RedBits = 8;
+ rb->GreenBits = 8;
+ rb->BlueBits = 8;
+ rb->AlphaBits = 0;
+ cpp = 4;
+ break;
+ case GL_RGBA:
+ case GL_RGBA2:
+ case GL_RGBA4:
+ case GL_RGB5_A1:
+ case GL_RGBA8:
+ case GL_RGB10_A2:
+ case GL_RGBA12:
+ case GL_RGBA16:
+ rb->_ActualFormat = GL_RGBA8;
+ rb->DataType = GL_UNSIGNED_BYTE;
+ rb->RedBits = 8;
+ rb->GreenBits = 8;
+ rb->BlueBits = 8;
+ rb->AlphaBits = 8;
+ cpp = 4;
+ break;
+ case GL_STENCIL_INDEX:
+ case GL_STENCIL_INDEX1_EXT:
+ case GL_STENCIL_INDEX4_EXT:
+ case GL_STENCIL_INDEX8_EXT:
+ case GL_STENCIL_INDEX16_EXT:
+ /* alloc a depth+stencil buffer */
+ rb->_ActualFormat = GL_DEPTH24_STENCIL8_EXT;
+ rb->DataType = GL_UNSIGNED_INT_24_8_EXT;
+ rb->StencilBits = 8;
+ cpp = 4;
+ break;
+ case GL_DEPTH_COMPONENT16:
+ rb->_ActualFormat = GL_DEPTH_COMPONENT16;
+ rb->DataType = GL_UNSIGNED_SHORT;
+ rb->DepthBits = 16;
+ cpp = 2;
+ break;
+ case GL_DEPTH_COMPONENT:
+ case GL_DEPTH_COMPONENT24:
+ case GL_DEPTH_COMPONENT32:
+ rb->_ActualFormat = GL_DEPTH_COMPONENT24;
+ rb->DataType = GL_UNSIGNED_INT;
+ rb->DepthBits = 24;
+ cpp = 4;
+ break;
+ case GL_DEPTH_STENCIL_EXT:
+ case GL_DEPTH24_STENCIL8_EXT:
+ rb->_ActualFormat = GL_DEPTH24_STENCIL8_EXT;
+ rb->DataType = GL_UNSIGNED_INT_24_8_EXT;
+ rb->DepthBits = 24;
+ rb->StencilBits = 8;
+ cpp = 4;
+ break;
+ default:
+ _mesa_problem(ctx,
+ "Unexpected format in intel_alloc_renderbuffer_storage");
+ return GL_FALSE;
+ }
+
+ if (ctx->Driver.Flush)
+ ctx->Driver.Flush(ctx); /* +r6/r7 */
+
+ if (rrb->bo)
+ radeon_bo_unref(rrb->bo);
+
+
+ if (software_buffer) {
+ return _mesa_soft_renderbuffer_storage(ctx, rb, internalFormat,
+ width, height);
+ }
+ else {
+ uint32_t size = width * height * cpp;
+ uint32_t pitch = ((cpp * width + 63) & ~63) / cpp;
+
+ fprintf(stderr,"Allocating %d x %d radeon RBO (pitch %d)\n", width,
+ height, pitch);
+
+ rrb->pitch = pitch * cpp;
+ rrb->cpp = cpp;
+#ifdef RADEON_DEBUG_BO
+ rrb->bo = radeon_bo_open(radeon->radeonScreen->bom,
+ 0,
+ size,
+ 0,
+ RADEON_GEM_DOMAIN_VRAM,
+ 0,
+ "Radeon RBO");
+#else
+ rrb->bo = radeon_bo_open(radeon->radeonScreen->bom,
+ 0,
+ size,
+ 0,
+ RADEON_GEM_DOMAIN_VRAM,
+ 0);
+#endif /* RADEON_DEBUG_BO */
+ rb->Width = width;
+ rb->Height = height;
+ return GL_TRUE;
+ }
+
+}
+
+
+/**
+ * Called for each hardware renderbuffer when a _window_ is resized.
+ * Just update fields.
+ * Not used for user-created renderbuffers!
+ */
+static GLboolean
+radeon_alloc_window_storage(GLcontext * ctx, struct gl_renderbuffer *rb,
+ GLenum internalFormat, GLuint width, GLuint height)
+{
+ ASSERT(rb->Name == 0);
+ rb->Width = width;
+ rb->Height = height;
+ rb->_ActualFormat = internalFormat;
+
+ return GL_TRUE;
+}
+
+
+static void
+radeon_resize_buffers(GLcontext *ctx, struct gl_framebuffer *fb,
+ GLuint width, GLuint height)
+{
+ struct radeon_framebuffer *radeon_fb = (struct radeon_framebuffer*)fb;
+ int i;
+
+ _mesa_resize_framebuffer(ctx, fb, width, height);
+
+ fb->Initialized = GL_TRUE; /* XXX remove someday */
+
+ if (fb->Name != 0) {
+ return;
+ }
+
+ /* Make sure all window system renderbuffers are up to date */
+ for (i = 0; i < 2; i++) {
+ struct gl_renderbuffer *rb = &radeon_fb->color_rb[i]->base;
+
+ /* only resize if size is changing */
+ if (rb && (rb->Width != width || rb->Height != height)) {
+ rb->AllocStorage(ctx, rb, rb->InternalFormat, width, height);
+ }
+ }
+}
+
+
+/** Dummy function for gl_renderbuffer::AllocStorage() */
+static GLboolean
+radeon_nop_alloc_storage(GLcontext * ctx, struct gl_renderbuffer *rb,
+ GLenum internalFormat, GLuint width, GLuint height)
+{
+ _mesa_problem(ctx, "radeon_op_alloc_storage should never be called.");
+ return GL_FALSE;
+}
+
+struct radeon_renderbuffer *
+radeon_create_renderbuffer(GLenum format, __DRIdrawablePrivate *driDrawPriv)
+{
+ struct radeon_renderbuffer *rrb;
+
+ rrb = CALLOC_STRUCT(radeon_renderbuffer);
+ if (!rrb)
+ return NULL;
+
+ _mesa_init_renderbuffer(&rrb->base, 0);
+ rrb->base.ClassID = RADEON_RB_CLASS;
+
+ /* XXX format junk */
+ switch (format) {
+ case GL_RGB5:
+ rrb->base._ActualFormat = GL_RGB5;
+ rrb->base._BaseFormat = GL_RGBA;
+ rrb->base.RedBits = 5;
+ rrb->base.GreenBits = 6;
+ rrb->base.BlueBits = 5;
+ rrb->base.DataType = GL_UNSIGNED_BYTE;
+ break;
+ case GL_RGB8:
+ rrb->base._ActualFormat = GL_RGB8;
+ rrb->base._BaseFormat = GL_RGB;
+ rrb->base.RedBits = 8;
+ rrb->base.GreenBits = 8;
+ rrb->base.BlueBits = 8;
+ rrb->base.AlphaBits = 8;
+ rrb->base.DataType = GL_UNSIGNED_BYTE;
+ break;
+ case GL_RGBA8:
+ rrb->base._ActualFormat = GL_RGBA8;
+ rrb->base._BaseFormat = GL_RGBA;
+ rrb->base.RedBits = 8;
+ rrb->base.GreenBits = 8;
+ rrb->base.BlueBits = 8;
+ rrb->base.AlphaBits = 8;
+ rrb->base.DataType = GL_UNSIGNED_BYTE;
+ break;
+ case GL_STENCIL_INDEX8_EXT:
+ rrb->base._ActualFormat = GL_STENCIL_INDEX8_EXT;
+ rrb->base._BaseFormat = GL_STENCIL_INDEX;
+ rrb->base.StencilBits = 8;
+ rrb->base.DataType = GL_UNSIGNED_BYTE;
+ break;
+ case GL_DEPTH_COMPONENT16:
+ rrb->base._ActualFormat = GL_DEPTH_COMPONENT16;
+ rrb->base._BaseFormat = GL_DEPTH_COMPONENT;
+ rrb->base.DepthBits = 16;
+ rrb->base.DataType = GL_UNSIGNED_SHORT;
+ break;
+ case GL_DEPTH_COMPONENT24:
+ rrb->base._ActualFormat = GL_DEPTH_COMPONENT24;
+ rrb->base._BaseFormat = GL_DEPTH_COMPONENT;
+ rrb->base.DepthBits = 24;
+ rrb->base.DataType = GL_UNSIGNED_INT;
+ break;
+ case GL_DEPTH24_STENCIL8_EXT:
+ rrb->base._ActualFormat = GL_DEPTH24_STENCIL8_EXT;
+ rrb->base._BaseFormat = GL_DEPTH_STENCIL_EXT;
+ rrb->base.DepthBits = 24;
+ rrb->base.StencilBits = 8;
+ rrb->base.DataType = GL_UNSIGNED_INT_24_8_EXT;
+ break;
+ default:
+ fprintf(stderr, "%s: Unknown format 0x%04x\n", __FUNCTION__, format);
+ _mesa_delete_renderbuffer(&rrb->base);
+ return NULL;
+ }
+
+ rrb->dPriv = driDrawPriv;
+ rrb->base.InternalFormat = format;
+
+ rrb->base.Delete = radeon_delete_renderbuffer;
+ rrb->base.AllocStorage = radeon_alloc_window_storage;
+ rrb->base.GetPointer = radeon_get_pointer;
+
+ rrb->bo = NULL;
+ return rrb;
+}
+
+static struct gl_renderbuffer *
+radeon_new_renderbuffer(GLcontext * ctx, GLuint name)
+{
+ struct radeon_renderbuffer *rrb;
+
+ rrb = CALLOC_STRUCT(radeon_renderbuffer);
+ if (!rrb)
+ return NULL;
+
+ _mesa_init_renderbuffer(&rrb->base, name);
+ rrb->base.ClassID = RADEON_RB_CLASS;
+
+ rrb->base.Delete = radeon_delete_renderbuffer;
+ rrb->base.AllocStorage = radeon_alloc_renderbuffer_storage;
+ rrb->base.GetPointer = radeon_get_pointer;
+
+ return &rrb->base;
+}
+
+static void
+radeon_bind_framebuffer(GLcontext * ctx, GLenum target,
+ struct gl_framebuffer *fb, struct gl_framebuffer *fbread)
+{
+ if (target == GL_FRAMEBUFFER_EXT || target == GL_DRAW_FRAMEBUFFER_EXT) {
+ radeon_draw_buffer(ctx, fb);
+ }
+ else {
+ /* don't need to do anything if target == GL_READ_FRAMEBUFFER_EXT */
+ }
+}
+
+static void
+radeon_framebuffer_renderbuffer(GLcontext * ctx,
+ struct gl_framebuffer *fb,
+ GLenum attachment, struct gl_renderbuffer *rb)
+{
+
+ if (ctx->Driver.Flush)
+ ctx->Driver.Flush(ctx); /* +r6/r7 */
+
+ _mesa_framebuffer_renderbuffer(ctx, fb, attachment, rb);
+ radeon_draw_buffer(ctx, fb);
+}
+
+
+static GLboolean
+radeon_update_wrapper(GLcontext *ctx, struct radeon_renderbuffer *rrb,
+ struct gl_texture_image *texImage)
+{
+ int retry = 0;
+restart:
+ if (texImage->TexFormat == &_mesa_texformat_argb8888) {
+ rrb->cpp = 4;
+ rrb->base._ActualFormat = GL_RGBA8;
+ rrb->base._BaseFormat = GL_RGBA;
+ rrb->base.DataType = GL_UNSIGNED_BYTE;
+ DBG("Render to RGBA8 texture OK\n");
+ }
+ else if (texImage->TexFormat == &_mesa_texformat_rgb565) {
+ rrb->cpp = 2;
+ rrb->base._ActualFormat = GL_RGB5;
+ rrb->base._BaseFormat = GL_RGB;
+ rrb->base.DataType = GL_UNSIGNED_SHORT;
+ DBG("Render to RGB5 texture OK\n");
+ }
+ else if (texImage->TexFormat == &_mesa_texformat_argb1555) {
+ rrb->cpp = 2;
+ rrb->base._ActualFormat = GL_RGB5_A1;
+ rrb->base._BaseFormat = GL_RGBA;
+ rrb->base.DataType = GL_UNSIGNED_BYTE;
+ DBG("Render to ARGB1555 texture OK\n");
+ }
+ else if (texImage->TexFormat == &_mesa_texformat_argb4444) {
+ rrb->cpp = 2;
+ rrb->base._ActualFormat = GL_RGBA4;
+ rrb->base._BaseFormat = GL_RGBA;
+ rrb->base.DataType = GL_UNSIGNED_BYTE;
+ DBG("Render to ARGB1555 texture OK\n");
+ }
+ else if (texImage->TexFormat == &_mesa_texformat_z16) {
+ rrb->cpp = 2;
+ rrb->base._ActualFormat = GL_DEPTH_COMPONENT16;
+ rrb->base._BaseFormat = GL_DEPTH_COMPONENT;
+ rrb->base.DataType = GL_UNSIGNED_SHORT;
+ DBG("Render to DEPTH16 texture OK\n");
+ }
+ else if (texImage->TexFormat == &_mesa_texformat_s8_z24) {
+ rrb->cpp = 4;
+ rrb->base._ActualFormat = GL_DEPTH24_STENCIL8_EXT;
+ rrb->base._BaseFormat = GL_DEPTH_STENCIL_EXT;
+ rrb->base.DataType = GL_UNSIGNED_INT_24_8_EXT;
+ DBG("Render to DEPTH_STENCIL texture OK\n");
+ }
+ else {
+ /* try redoing the FBO */
+ if (retry == 1) {
+ DBG("Render to texture BAD FORMAT %d\n",
+ texImage->TexFormat->MesaFormat);
+ return GL_FALSE;
+ }
+ texImage->TexFormat = radeonChooseTextureFormat(ctx, texImage->InternalFormat, 0,
+ texImage->TexFormat->DataType,
+ 1);
+
+ retry++;
+ goto restart;
+ }
+
+ rrb->pitch = texImage->Width * rrb->cpp;
+ rrb->base.InternalFormat = rrb->base._ActualFormat;
+ rrb->base.Width = texImage->Width;
+ rrb->base.Height = texImage->Height;
+ rrb->base.RedBits = texImage->TexFormat->RedBits;
+ rrb->base.GreenBits = texImage->TexFormat->GreenBits;
+ rrb->base.BlueBits = texImage->TexFormat->BlueBits;
+ rrb->base.AlphaBits = texImage->TexFormat->AlphaBits;
+ rrb->base.DepthBits = texImage->TexFormat->DepthBits;
+ rrb->base.StencilBits = texImage->TexFormat->StencilBits;
+
+ rrb->base.Delete = radeon_delete_renderbuffer;
+ rrb->base.AllocStorage = radeon_nop_alloc_storage;
+
+ return GL_TRUE;
+}
+
+
+static struct radeon_renderbuffer *
+radeon_wrap_texture(GLcontext * ctx, struct gl_texture_image *texImage)
+{
+ const GLuint name = ~0; /* not significant, but distinct for debugging */
+ struct radeon_renderbuffer *rrb;
+
+ /* make an radeon_renderbuffer to wrap the texture image */
+ rrb = CALLOC_STRUCT(radeon_renderbuffer);
+ if (!rrb) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glFramebufferTexture");
+ return NULL;
+ }
+
+ _mesa_init_renderbuffer(&rrb->base, name);
+ rrb->base.ClassID = RADEON_RB_CLASS;
+
+ if (!radeon_update_wrapper(ctx, rrb, texImage)) {
+ _mesa_free(rrb);
+ return NULL;
+ }
+
+ return rrb;
+
+}
+static void
+radeon_render_texture(GLcontext * ctx,
+ struct gl_framebuffer *fb,
+ struct gl_renderbuffer_attachment *att)
+{
+ struct gl_texture_image *newImage
+ = att->Texture->Image[att->CubeMapFace][att->TextureLevel];
+ struct radeon_renderbuffer *rrb = radeon_renderbuffer(att->Renderbuffer);
+ radeon_texture_image *radeon_image;
+ GLuint imageOffset;
+
+ (void) fb;
+
+ ASSERT(newImage);
+
+ if (newImage->Border != 0) {
+ /* Fallback on drawing to a texture with a border, which won't have a
+ * miptree.
+ */
+ _mesa_reference_renderbuffer(&att->Renderbuffer, NULL);
+ _mesa_render_texture(ctx, fb, att);
+ return;
+ }
+ else if (!rrb) {
+ rrb = radeon_wrap_texture(ctx, newImage);
+ if (rrb) {
+ /* bind the wrapper to the attachment point */
+ _mesa_reference_renderbuffer(&att->Renderbuffer, &rrb->base);
+ }
+ else {
+ /* fallback to software rendering */
+ _mesa_render_texture(ctx, fb, att);
+ return;
+ }
+ }
+
+ if (!radeon_update_wrapper(ctx, rrb, newImage)) {
+ _mesa_reference_renderbuffer(&att->Renderbuffer, NULL);
+ _mesa_render_texture(ctx, fb, att);
+ return;
+ }
+
+ DBG("Begin render texture tid %x tex=%u w=%d h=%d refcount=%d\n",
+ _glthread_GetID(),
+ att->Texture->Name, newImage->Width, newImage->Height,
+ rrb->base.RefCount);
+
+ /* point the renderbufer's region to the texture image region */
+ radeon_image = (radeon_texture_image *)newImage;
+ if (rrb->bo != radeon_image->mt->bo) {
+ if (rrb->bo)
+ radeon_bo_unref(rrb->bo);
+ rrb->bo = radeon_image->mt->bo;
+ radeon_bo_ref(rrb->bo);
+ }
+
+ /* compute offset of the particular 2D image within the texture region */
+ imageOffset = radeon_miptree_image_offset(radeon_image->mt,
+ att->CubeMapFace,
+ att->TextureLevel);
+
+ if (att->Texture->Target == GL_TEXTURE_3D) {
+ GLuint offsets[6];
+ radeon_miptree_depth_offsets(radeon_image->mt, att->TextureLevel,
+ offsets);
+ imageOffset += offsets[att->Zoffset];
+ }
+
+ /* store that offset in the region */
+ rrb->draw_offset = imageOffset;
+
+ /* update drawing region, etc */
+ radeon_draw_buffer(ctx, fb);
+}
+
+static void
+radeon_finish_render_texture(GLcontext * ctx,
+ struct gl_renderbuffer_attachment *att)
+{
+
+}
+static void
+radeon_validate_framebuffer(GLcontext *ctx, struct gl_framebuffer *fb)
+{
+}
+
+static void
+radeon_blit_framebuffer(GLcontext *ctx,
+ GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
+ GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
+ GLbitfield mask, GLenum filter)
+{
+}
+
+void radeon_fbo_init(struct radeon_context *radeon)
+{
+ radeon->glCtx->Driver.NewFramebuffer = radeon_new_framebuffer;
+ radeon->glCtx->Driver.NewRenderbuffer = radeon_new_renderbuffer;
+ radeon->glCtx->Driver.BindFramebuffer = radeon_bind_framebuffer;
+ radeon->glCtx->Driver.FramebufferRenderbuffer = radeon_framebuffer_renderbuffer;
+ radeon->glCtx->Driver.RenderTexture = radeon_render_texture;
+ radeon->glCtx->Driver.FinishRenderTexture = radeon_finish_render_texture;
+ radeon->glCtx->Driver.ResizeBuffers = radeon_resize_buffers;
+ radeon->glCtx->Driver.ValidateFramebuffer = radeon_validate_framebuffer;
+ radeon->glCtx->Driver.BlitFramebuffer = radeon_blit_framebuffer;
+}
+
+
+void radeon_renderbuffer_set_bo(struct radeon_renderbuffer *rb,
+ struct radeon_bo *bo)
+{
+ struct radeon_bo *old;
+ old = rb->bo;
+ rb->bo = bo;
+ radeon_bo_ref(bo);
+ if (old)
+ radeon_bo_unref(old);
+}