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sketch out some render-to-texture code

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This commit is contained in:
Brian 2007-08-10 11:17:26 -06:00
parent 6349bd3112
commit 137ec50994
1 changed files with 16 additions and 2 deletions
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18
src/mesa/state_tracker/st_cb_fbo.c
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@ -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);
}