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authorJakob Bornecrantz <jakob@tungstengraphics.com>2008-06-23 15:54:25 +0200
committerJakob Bornecrantz <jakob@tungstengraphics.com>2008-06-23 16:08:23 +0200
commit52501801c7107614387717e7b97e66a667f9e5b8 (patch)
tree4f6fca28030d9c0521536c55a031b5455c8dfb26
parentf78cc24c4b4f253223044b7019daf3e954f38a07 (diff)
gallium: Add accessor functions to get textures from a st_framebuffer
-rw-r--r--src/mesa/state_tracker/st_framebuffer.c16
-rw-r--r--src/mesa/state_tracker/st_public.h3
2 files changed, 19 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_framebuffer.c b/src/mesa/state_tracker/st_framebuffer.c
index 7e6db46757..1b6e68c2a1 100644
--- a/src/mesa/state_tracker/st_framebuffer.c
+++ b/src/mesa/state_tracker/st_framebuffer.c
@@ -230,6 +230,22 @@ st_get_framebuffer_surface(struct st_framebuffer *stfb, uint surfIndex)
return NULL;
}
+struct pipe_texture *
+st_get_framebuffer_texture(struct st_framebuffer *stfb, uint surfIndex)
+{
+ struct st_renderbuffer *strb;
+
+ assert(surfIndex <= ST_SURFACE_DEPTH);
+
+ /* sanity checks, ST tokens should match Mesa tokens */
+ assert(ST_SURFACE_FRONT_LEFT == BUFFER_FRONT_LEFT);
+ assert(ST_SURFACE_BACK_RIGHT == BUFFER_BACK_RIGHT);
+
+ strb = st_renderbuffer(stfb->Base.Attachment[surfIndex].Renderbuffer);
+ if (strb)
+ return strb->texture;
+ return NULL;
+}
/**
* This function is to be called prior to SwapBuffers on the given
diff --git a/src/mesa/state_tracker/st_public.h b/src/mesa/state_tracker/st_public.h
index b99984215f..ca4e9577b1 100644
--- a/src/mesa/state_tracker/st_public.h
+++ b/src/mesa/state_tracker/st_public.h
@@ -74,6 +74,9 @@ void st_set_framebuffer_surface(struct st_framebuffer *stfb,
struct pipe_surface *st_get_framebuffer_surface(struct st_framebuffer *stfb,
uint surfIndex);
+struct pipe_texture *st_get_framebuffer_texture(struct st_framebuffer *stfb,
+ uint surfIndex);
+
void *st_framebuffer_private( struct st_framebuffer *stfb );
void st_unreference_framebuffer( struct st_framebuffer **stfb );