softpipe: implement blit

Tested-by: Michel Dänzer <[email protected]>
Reviewed-by: Brian Paul <[email protected]>

1 files changed, 55 insertions, 0 deletions

diff --git a/src/gallium/drivers/softpipe/sp_surface.c b/src/gallium/drivers/softpipe/sp_surface.c
index 55b27e60100..bb143f4cb3a 100644
--- a/src/gallium/drivers/softpipe/sp_surface.c
+++ b/src/gallium/drivers/softpipe/sp_surface.c
@@ -25,14 +25,69 @@
  * 
  **************************************************************************/
 
+#include "util/u_format.h"
 #include "util/u_surface.h"
 #include "sp_context.h"
 #include "sp_surface.h"
 
+static void sp_blit(struct pipe_context *pipe,
+                    const struct pipe_blit_info *info)
+{
+   struct softpipe_context *sp = softpipe_context(pipe);
+
+   if (info->src.resource->nr_samples > 1 &&
+       info->dst.resource->nr_samples <= 1 &&
+       !util_format_is_depth_or_stencil(info->src.resource->format) &&
+       !util_format_is_pure_integer(info->src.resource->format)) {
+      debug_printf("softpipe: color resolve unimplemented\n");
+      return;
+   }
+
+   if (util_try_blit_via_copy_region(pipe, info)) {
+      return; /* done */
+   }
+
+   if (!util_blitter_is_blit_supported(sp->blitter, info)) {
+      debug_printf("softpipe: blit unsupported %s -> %s\n",
+                   util_format_short_name(info->src.resource->format),
+                   util_format_short_name(info->dst.resource->format));
+      return;
+   }
+
+   /* XXX turn off occlusion and streamout queries */
+
+   util_blitter_save_vertex_buffers(sp->blitter, sp->num_vertex_buffers,
+                                    sp->vertex_buffer);
+   util_blitter_save_vertex_elements(sp->blitter, sp->velems);
+   util_blitter_save_vertex_shader(sp->blitter, sp->vs);
+   util_blitter_save_geometry_shader(sp->blitter, sp->gs);
+   util_blitter_save_so_targets(sp->blitter, sp->num_so_targets,
+                     (struct pipe_stream_output_target**)sp->so_targets);
+   util_blitter_save_rasterizer(sp->blitter, sp->rasterizer);
+   util_blitter_save_viewport(sp->blitter, &sp->viewport);
+   util_blitter_save_scissor(sp->blitter, &sp->scissor);
+   util_blitter_save_fragment_shader(sp->blitter, sp->fs);
+   util_blitter_save_blend(sp->blitter, sp->blend);
+   util_blitter_save_depth_stencil_alpha(sp->blitter, sp->depth_stencil);
+   util_blitter_save_stencil_ref(sp->blitter, &sp->stencil_ref);
+   /*util_blitter_save_sample_mask(sp->blitter, sp->sample_mask);*/
+   util_blitter_save_framebuffer(sp->blitter, &sp->framebuffer);
+   util_blitter_save_fragment_sampler_states(sp->blitter,
+                     sp->num_samplers[PIPE_SHADER_FRAGMENT],
+                     (void**)sp->samplers[PIPE_SHADER_FRAGMENT]);
+   util_blitter_save_fragment_sampler_views(sp->blitter,
+                     sp->num_sampler_views[PIPE_SHADER_FRAGMENT],
+                     sp->sampler_views[PIPE_SHADER_FRAGMENT]);
+   util_blitter_save_render_condition(sp->blitter, sp->render_cond_query,
+                                      sp->render_cond_mode);
+   util_blitter_blit(sp->blitter, info);
+}
+
 void
 sp_init_surface_functions(struct softpipe_context *sp)
 {
    sp->pipe.resource_copy_region = util_resource_copy_region;
    sp->pipe.clear_render_target = util_clear_render_target;
    sp->pipe.clear_depth_stencil = util_clear_depth_stencil;
+   sp->pipe.blit = sp_blit;
 }