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r300g: implement blit 

Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Marek Olšák 2012-09-13 00:38:44 +02:00
parent ced065a079
commit 95b777e688
1 changed files with 40 additions and 0 deletions
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40
src/gallium/drivers/r300/r300_blit.c
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@ -42,6 +42,9 @@ enum r300_blitter_op /* bitmask */
R300_COPY = R300_STOP_QUERY | R300_SAVE_FRAMEBUFFER |
R300_SAVE_TEXTURES | R300_IGNORE_RENDER_COND,
R300_BLIT = R300_STOP_QUERY | R300_SAVE_FRAMEBUFFER |
R300_SAVE_TEXTURES | R300_IGNORE_RENDER_COND,
R300_DECOMPRESS = R300_STOP_QUERY | R300_IGNORE_RENDER_COND,
};
@ -62,6 +65,7 @@ static void r300_blitter_begin(struct r300_context* r300, enum r300_blitter_op o
util_blitter_save_fragment_shader(r300->blitter, r300->fs.state);
util_blitter_save_vertex_shader(r300->blitter, r300->vs_state.state);
util_blitter_save_viewport(r300->blitter, &r300->viewport);
util_blitter_save_scissor(r300->blitter, r300->scissor_state.state);
util_blitter_save_vertex_buffers(r300->blitter, r300->nr_vertex_buffers,
r300->vertex_buffer);
util_blitter_save_vertex_elements(r300->blitter, r300->velems);
@ -588,10 +592,46 @@ static void r300_resource_copy_region(struct pipe_context *pipe,
pipe_sampler_view_reference(&src_view, NULL);
}
static void r300_blit(struct pipe_context *pipe,
const struct pipe_blit_info *blit_info)
{
struct r300_context *r300 = r300_context(pipe);
struct pipe_framebuffer_state *fb =
(struct pipe_framebuffer_state*)r300->fb_state.state;
struct pipe_blit_info info = *blit_info;
/* Decompress ZMASK. */
if (r300->zmask_in_use && !r300->locked_zbuffer) {
if (fb->zsbuf->texture == info.src.resource ||
fb->zsbuf->texture == info.dst.resource) {
r300_decompress_zmask(r300);
}
}
/* Blit a combined depth-stencil resource as color.
* S8Z24 is the only supported stencil format. */
if ((info.mask & PIPE_MASK_S) &&
info.src.format == PIPE_FORMAT_S8_UINT_Z24_UNORM &&
info.dst.format == PIPE_FORMAT_S8_UINT_Z24_UNORM) {
info.src.format = PIPE_FORMAT_B8G8R8A8_UNORM;
info.dst.format = PIPE_FORMAT_B8G8R8A8_UNORM;
if (info.mask & PIPE_MASK_Z) {
info.mask = PIPE_MASK_RGBA; /* depth+stencil */
} else {
info.mask = PIPE_MASK_B; /* stencil only */
}
}
r300_blitter_begin(r300, R300_BLIT);
util_blitter_blit(r300->blitter, &info);
r300_blitter_end(r300);
}
void r300_init_blit_functions(struct r300_context *r300)
{
r300->context.clear = r300_clear;
r300->context.clear_render_target = r300_clear_render_target;
r300->context.clear_depth_stencil = r300_clear_depth_stencil;
r300->context.resource_copy_region = r300_resource_copy_region;
r300->context.blit = r300_blit;
}