summaryrefslogtreecommitdiff
path: root/src/mesa/state_tracker
diff options
context:
space:
mode:
authorAlan Hourihane <alanh@vmware.com>2009-01-23 16:04:57 +0000
committerAlan Hourihane <alanh@vmware.com>2009-01-23 16:06:26 +0000
commitb0d0e53a54ce79f57334942bf0b3762db8a3a7b8 (patch)
tree4d7d3f6a2b1cbbc6aec52771c5a80767f8148c03 /src/mesa/state_tracker
parent483c730de8ec00ef140f31bdb40856aef3b6fde6 (diff)
gallium: change the st_get_framebuffer_surface/texture functions
to return TRUE/FALSE if the st_framebuffer is valid, and if it is return the surface/texture in the passed pointer.
Diffstat (limited to 'src/mesa/state_tracker')
-rw-r--r--src/mesa/state_tracker/st_atom_framebuffer.c7
-rw-r--r--src/mesa/state_tracker/st_framebuffer.c30
-rw-r--r--src/mesa/state_tracker/st_public.h8
3 files changed, 26 insertions, 19 deletions
diff --git a/src/mesa/state_tracker/st_atom_framebuffer.c b/src/mesa/state_tracker/st_atom_framebuffer.c
index 092cdab2bd..902bdf94f2 100644
--- a/src/mesa/state_tracker/st_atom_framebuffer.c
+++ b/src/mesa/state_tracker/st_atom_framebuffer.c
@@ -149,10 +149,9 @@ update_framebuffer_state( struct st_context *st )
if (st->frontbuffer_status == FRONT_STATUS_COPY_OF_BACK) {
/* copy back color buffer to front color buffer */
struct st_framebuffer *stfb = (struct st_framebuffer *) fb;
- struct pipe_surface *surf_front
- = st_get_framebuffer_surface(stfb, ST_SURFACE_FRONT_LEFT);
- struct pipe_surface *surf_back
- = st_get_framebuffer_surface(stfb, ST_SURFACE_BACK_LEFT);
+ struct pipe_surface *surf_front, *surf_back;
+ (void) st_get_framebuffer_surface(stfb, ST_SURFACE_FRONT_LEFT, &surf_front);
+ (void) st_get_framebuffer_surface(stfb, ST_SURFACE_BACK_LEFT, &surf_back);
st->pipe->surface_copy(st->pipe,
FALSE,
diff --git a/src/mesa/state_tracker/st_framebuffer.c b/src/mesa/state_tracker/st_framebuffer.c
index ea22a94303..0d9c7b97e3 100644
--- a/src/mesa/state_tracker/st_framebuffer.c
+++ b/src/mesa/state_tracker/st_framebuffer.c
@@ -33,9 +33,9 @@
#include "main/matrix.h"
#include "main/renderbuffer.h"
#include "main/scissor.h"
-#include "st_public.h"
#include "st_context.h"
#include "st_cb_fbo.h"
+#include "st_public.h"
#include "pipe/p_defines.h"
#include "pipe/p_context.h"
#include "pipe/p_inlines.h"
@@ -230,8 +230,8 @@ st_set_framebuffer_surface(struct st_framebuffer *stfb,
/**
* Return the pipe_surface for the given renderbuffer.
*/
-struct pipe_surface *
-st_get_framebuffer_surface(struct st_framebuffer *stfb, uint surfIndex)
+int
+st_get_framebuffer_surface(struct st_framebuffer *stfb, uint surfIndex, struct pipe_surface **surface)
{
struct st_renderbuffer *strb;
@@ -242,13 +242,17 @@ st_get_framebuffer_surface(struct st_framebuffer *stfb, uint surfIndex)
assert(ST_SURFACE_BACK_RIGHT == BUFFER_BACK_RIGHT);
strb = st_renderbuffer(stfb->Base.Attachment[surfIndex].Renderbuffer);
- if (strb)
- return strb->surface;
- return NULL;
+ if (strb) {
+ *surface = strb->surface;
+ return GL_TRUE;
+ }
+
+ *surface = NULL;
+ return GL_FALSE;
}
-struct pipe_texture *
-st_get_framebuffer_texture(struct st_framebuffer *stfb, uint surfIndex)
+int
+st_get_framebuffer_texture(struct st_framebuffer *stfb, uint surfIndex, struct pipe_texture **texture)
{
struct st_renderbuffer *strb;
@@ -259,9 +263,13 @@ st_get_framebuffer_texture(struct st_framebuffer *stfb, uint surfIndex)
assert(ST_SURFACE_BACK_RIGHT == BUFFER_BACK_RIGHT);
strb = st_renderbuffer(stfb->Base.Attachment[surfIndex].Renderbuffer);
- if (strb)
- return strb->texture;
- return NULL;
+ if (strb) {
+ *texture = strb->texture;
+ return GL_TRUE;
+ }
+
+ *texture = NULL;
+ return GL_FALSE;
}
/**
diff --git a/src/mesa/state_tracker/st_public.h b/src/mesa/state_tracker/st_public.h
index 88995aa874..2c578f38cc 100644
--- a/src/mesa/state_tracker/st_public.h
+++ b/src/mesa/state_tracker/st_public.h
@@ -80,11 +80,11 @@ void st_set_framebuffer_surface(struct st_framebuffer *stfb,
void st_get_framebuffer_dimensions( struct st_framebuffer *stfb,
uint *width, uint *height);
-struct pipe_surface *st_get_framebuffer_surface(struct st_framebuffer *stfb,
- uint surfIndex);
+int st_get_framebuffer_surface(struct st_framebuffer *stfb,
+ uint surfIndex, struct pipe_surface **surface);
-struct pipe_texture *st_get_framebuffer_texture(struct st_framebuffer *stfb,
- uint surfIndex);
+int st_get_framebuffer_texture(struct st_framebuffer *stfb,
+ uint surfIndex, struct pipe_texture **texture);
void *st_framebuffer_private( struct st_framebuffer *stfb );