diff options
Diffstat (limited to 'src/mesa/state_tracker/st_cb_fbo.c')
| -rw-r--r-- | src/mesa/state_tracker/st_cb_fbo.c | 147 |
1 files changed, 74 insertions, 73 deletions
diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c index e003b6db5c..21ddf2fc7a 100644 --- a/src/mesa/state_tracker/st_cb_fbo.c +++ b/src/mesa/state_tracker/st_cb_fbo.c @@ -88,91 +88,90 @@ st_renderbuffer_alloc_storage(GLcontext * ctx, struct gl_renderbuffer *rb, { struct pipe_context *pipe = ctx->st->pipe; struct st_renderbuffer *strb = st_renderbuffer(rb); - struct pipe_texture template; - unsigned surface_usage; - - /* Free the old surface and texture - */ - pipe_surface_reference( &strb->surface, NULL ); - pipe_texture_reference( &strb->texture, NULL ); - - /* Setup new texture template. - */ - memset(&template, 0, sizeof(template)); - template.target = PIPE_TEXTURE_2D; - if (strb->format != PIPE_FORMAT_NONE) { - template.format = strb->format; - } - else { - template.format = st_choose_renderbuffer_format(pipe, internalFormat); - } - pf_get_block(template.format, &template.block); - template.width[0] = width; - template.height[0] = height; - template.depth[0] = 1; - template.last_level = 0; - template.nr_samples = rb->NumSamples; - if (pf_is_depth_stencil(template.format)) { - template.tex_usage = PIPE_TEXTURE_USAGE_DEPTH_STENCIL; - } - else { - template.tex_usage = (PIPE_TEXTURE_USAGE_DISPLAY_TARGET | - PIPE_TEXTURE_USAGE_RENDER_TARGET); - } + enum pipe_format format; + if (strb->format != PIPE_FORMAT_NONE) + format = strb->format; + else + format = st_choose_renderbuffer_format(pipe, internalFormat); + /* init renderbuffer fields */ strb->Base.Width = width; strb->Base.Height = height; - init_renderbuffer_bits(strb, template.format); - - /* Probably need dedicated flags for surface usage too: - */ - surface_usage = (PIPE_BUFFER_USAGE_GPU_READ | - PIPE_BUFFER_USAGE_GPU_WRITE); -#if 0 - PIPE_BUFFER_USAGE_CPU_READ | - PIPE_BUFFER_USAGE_CPU_WRITE); -#endif - - strb->texture = pipe->screen->texture_create( pipe->screen, - &template ); + init_renderbuffer_bits(strb, format); + + if(strb->software) { + struct pipe_format_block block; + size_t size; + + _mesa_free(strb->data); + + assert(strb->format != PIPE_FORMAT_NONE); + pf_get_block(strb->format, &block); + + strb->stride = pf_get_stride(&block, width); + size = pf_get_2d_size(&block, strb->stride, height); + + strb->data = _mesa_malloc(size); + + return strb->data != NULL; + } + else { + struct pipe_texture template; + unsigned surface_usage; + + /* Free the old surface and texture + */ + pipe_surface_reference( &strb->surface, NULL ); + pipe_texture_reference( &strb->texture, NULL ); - /* Special path for accum buffers. - * - * Try a different surface format. Since accum buffers are s/w - * only for now, the surface pixel format doesn't really matter, - * only that the buffer is large enough. - */ - if (!strb->texture && template.format == DEFAULT_ACCUM_PIPE_FORMAT) - { - /* Actually, just setting this usage value should be sufficient - * to tell the driver to go ahead and allocate the buffer, even - * if HW doesn't support the format. + /* Setup new texture template. + */ + memset(&template, 0, sizeof(template)); + template.target = PIPE_TEXTURE_2D; + template.format = format; + pf_get_block(format, &template.block); + template.width[0] = width; + template.height[0] = height; + template.depth[0] = 1; + template.last_level = 0; + template.nr_samples = rb->NumSamples; + if (pf_is_depth_stencil(format)) { + template.tex_usage = PIPE_TEXTURE_USAGE_DEPTH_STENCIL; + } + else { + template.tex_usage = (PIPE_TEXTURE_USAGE_DISPLAY_TARGET | + PIPE_TEXTURE_USAGE_RENDER_TARGET); + } + + /* Probably need dedicated flags for surface usage too: */ - template.tex_usage = 0; - surface_usage = (PIPE_BUFFER_USAGE_CPU_READ | + surface_usage = (PIPE_BUFFER_USAGE_GPU_READ | + PIPE_BUFFER_USAGE_GPU_WRITE); +#if 0 + PIPE_BUFFER_USAGE_CPU_READ | PIPE_BUFFER_USAGE_CPU_WRITE); +#endif strb->texture = pipe->screen->texture_create( pipe->screen, &template ); - } - - if (!strb->texture) - return FALSE; + if (!strb->texture) + return FALSE; - strb->surface = pipe->screen->get_tex_surface( pipe->screen, - strb->texture, - 0, 0, 0, - surface_usage ); + strb->surface = pipe->screen->get_tex_surface( pipe->screen, + strb->texture, + 0, 0, 0, + surface_usage ); - assert(strb->surface->texture); - assert(strb->surface->format); - assert(strb->surface->width == width); - assert(strb->surface->height == height); + assert(strb->surface->texture); + assert(strb->surface->format); + assert(strb->surface->width == width); + assert(strb->surface->height == height); - return strb->surface != NULL; + return strb->surface != NULL; + } } @@ -186,6 +185,7 @@ st_renderbuffer_delete(struct gl_renderbuffer *rb) ASSERT(strb); pipe_surface_reference(&strb->surface, NULL); pipe_texture_reference(&strb->texture, NULL); + _mesa_free(strb->data); _mesa_free(strb); } @@ -242,7 +242,7 @@ st_new_renderbuffer(GLcontext *ctx, GLuint name) * renderbuffer). The window system code determines the format. */ struct gl_renderbuffer * -st_new_renderbuffer_fb(enum pipe_format format, int samples) +st_new_renderbuffer_fb(enum pipe_format format, int samples, boolean sw) { struct st_renderbuffer *strb; @@ -256,7 +256,8 @@ st_new_renderbuffer_fb(enum pipe_format format, int samples) strb->Base.ClassID = 0x4242; /* just a unique value */ strb->Base.NumSamples = samples; strb->format = format; - + strb->software = sw; + switch (format) { case PIPE_FORMAT_A8R8G8B8_UNORM: case PIPE_FORMAT_B8G8R8A8_UNORM: @@ -287,7 +288,7 @@ st_new_renderbuffer_fb(enum pipe_format format, int samples) strb->Base.InternalFormat = GL_STENCIL_INDEX8_EXT; strb->Base._BaseFormat = GL_STENCIL_INDEX; break; - case DEFAULT_ACCUM_PIPE_FORMAT: /*PIPE_FORMAT_R16G16B16A16_SNORM*/ + case PIPE_FORMAT_R16G16B16A16_SNORM: strb->Base.InternalFormat = GL_RGBA16; strb->Base._BaseFormat = GL_RGBA; break; |