Mesa (mesa_7_5_branch): st: do proper refcounting for framebuffer surfaces
Brian Paul
brianp at kemper.freedesktop.org
Mon May 11 22:12:34 UTC 2009
Module: Mesa
Branch: mesa_7_5_branch
Commit: f104e4d666dfccda6f5ad817693216733ddede44
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=f104e4d666dfccda6f5ad817693216733ddede44
Author: Brian Paul <brianp at vmware.com>
Date: Mon May 11 16:09:39 2009 -0600
st: do proper refcounting for framebuffer surfaces
---
src/mesa/state_tracker/st_atom_framebuffer.c | 16 ++++++++++------
src/mesa/state_tracker/st_context.c | 7 +++++++
2 files changed, 17 insertions(+), 6 deletions(-)
diff --git a/src/mesa/state_tracker/st_atom_framebuffer.c b/src/mesa/state_tracker/st_atom_framebuffer.c
index df0f093..5362936 100644
--- a/src/mesa/state_tracker/st_atom_framebuffer.c
+++ b/src/mesa/state_tracker/st_atom_framebuffer.c
@@ -98,8 +98,6 @@ update_framebuffer_state( struct st_context *st )
struct st_renderbuffer *strb;
GLuint i;
- memset(framebuffer, 0, sizeof(*framebuffer));
-
framebuffer->width = fb->Width;
framebuffer->height = fb->Height;
@@ -120,12 +118,19 @@ update_framebuffer_state( struct st_context *st )
}
if (strb->surface) {
- framebuffer->cbufs[framebuffer->nr_cbufs] = strb->surface;
+ pipe_surface_reference(&framebuffer->cbufs[framebuffer->nr_cbufs],
+ strb->surface);
framebuffer->nr_cbufs++;
}
}
}
+ for (i = framebuffer->nr_cbufs; i < PIPE_MAX_COLOR_BUFS; i++) {
+ pipe_surface_reference(&framebuffer->cbufs[i], NULL);
+ }
+ /*
+ * Depth/Stencil renderbuffer/surface.
+ */
strb = st_renderbuffer(fb->Attachment[BUFFER_DEPTH].Renderbuffer);
if (strb) {
strb = st_renderbuffer(strb->Base.Wrapped);
@@ -133,15 +138,14 @@ update_framebuffer_state( struct st_context *st )
/* rendering to a GL texture, may have to update surface */
update_renderbuffer_surface(st, strb);
}
-
- framebuffer->zsbuf = strb->surface;
+ pipe_surface_reference(&framebuffer->zsbuf, strb->surface);
}
else {
strb = st_renderbuffer(fb->Attachment[BUFFER_STENCIL].Renderbuffer);
if (strb) {
strb = st_renderbuffer(strb->Base.Wrapped);
assert(strb->surface);
- framebuffer->zsbuf = strb->surface;
+ pipe_surface_reference(&framebuffer->zsbuf, strb->surface);
}
}
diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index 2a1f21c..e536029 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -233,6 +233,7 @@ void st_destroy_context( struct st_context *st )
struct pipe_context *pipe = st->pipe;
struct cso_context *cso = st->cso_context;
GLcontext *ctx = st->ctx;
+ GLuint i;
/* need to unbind and destroy CSO objects before anything else */
cso_release_all(st->cso_context);
@@ -240,6 +241,12 @@ void st_destroy_context( struct st_context *st )
st_reference_fragprog(st, &st->fp, NULL);
st_reference_vertprog(st, &st->vp, NULL);
+ /* release framebuffer surfaces */
+ for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
+ pipe_surface_reference(&st->state.framebuffer.cbufs[i], NULL);
+ }
+ pipe_surface_reference(&st->state.framebuffer.zsbuf, NULL);
+
_mesa_delete_program_cache(st->ctx, st->pixel_xfer.cache);
_vbo_DestroyContext(st->ctx);
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