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authorBrian <brian.paul@tungstengraphics.com>2007-08-10 11:17:26 -0600
committerBrian <brian.paul@tungstengraphics.com>2007-08-10 11:17:26 -0600
commit137ec509946bba39940d3a7932bf196450cb951e (patch)
treeefbfd246ac9546792877811fcd557c5319688531 /src
parent6349bd3112116841326885550188224af87ec15c (diff)
sketch out some render-to-texture code
Diffstat (limited to 'src')
-rw-r--r--src/mesa/state_tracker/st_cb_fbo.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c
index bee7474e38..99c00916f4 100644
--- a/src/mesa/state_tracker/st_cb_fbo.c
+++ b/src/mesa/state_tracker/st_cb_fbo.c
@@ -43,7 +43,9 @@
#include "pipe/p_defines.h"
#include "st_context.h"
#include "st_cb_fbo.h"
+#include "st_cb_texture.h"
#include "st_format.h"
+#include "st_public.h"
@@ -281,10 +283,17 @@ st_render_texture(GLcontext *ctx,
struct gl_renderbuffer_attachment *att)
{
struct st_context *st = ctx->st;
+ struct pipe_context *pipe = st->pipe;
struct pipe_framebuffer_state framebuffer;
struct pipe_surface *texsurface;
+ struct pipe_mipmap_tree *mt;
- texsurface = NULL; /* find the mipmap level, cube face, etc */
+ mt = st_get_texobj_mipmap_tree(att->Texture);
+
+ texsurface = pipe->get_tex_surface(pipe, mt,
+ att->CubeMapFace,
+ att->TextureLevel,
+ att->Zoffset);
/*
* XXX basically like this... set the current color (or depth)
@@ -308,7 +317,12 @@ static void
st_finish_render_texture(GLcontext *ctx,
struct gl_renderbuffer_attachment *att)
{
- /* restore drawing to normal framebuffer. may be a no-op */
+ struct st_renderbuffer *strb = st_renderbuffer(att->Renderbuffer);
+
+ pipe_surface_unreference(&strb->surface);
+
+ /* restore previous framebuffer state */
+ st_invalidate_state(ctx, _NEW_BUFFERS);
}