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-rw-r--r--src/mesa/main/context.c23
-rw-r--r--src/mesa/main/fbobject.c34
-rw-r--r--src/mesa/main/framebuffer.c101
-rw-r--r--src/mesa/main/framebuffer.h6
-rw-r--r--src/mesa/main/mtypes.h1
-rw-r--r--src/mesa/main/rastpos.c64
-rw-r--r--src/mesa/main/rbadaptors.c6
-rw-r--r--src/mesa/main/renderbuffer.c23
-rw-r--r--src/mesa/main/renderbuffer.h2
9 files changed, 149 insertions, 111 deletions
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index 9b3759b6c82..135c814c0a6 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -95,6 +95,7 @@
#include "fbobject.h"
#include "feedback.h"
#include "fog.h"
+#include "framebuffer.h"
#include "get.h"
#include "glthread.h"
#include "glapioffsets.h"
@@ -1407,6 +1408,13 @@ _mesa_free_context_data( GLcontext *ctx )
if (ctx == _mesa_get_current_context()) {
_mesa_make_current(NULL, NULL, NULL);
}
+ else {
+ /* unreference WinSysDraw/Read buffers */
+ _mesa_unreference_framebuffer(&ctx->WinSysDrawBuffer);
+ _mesa_unreference_framebuffer(&ctx->WinSysReadBuffer);
+ _mesa_unreference_framebuffer(&ctx->DrawBuffer);
+ _mesa_unreference_framebuffer(&ctx->ReadBuffer);
+ }
_mesa_free_lighting_data( ctx );
_mesa_free_eval_data( ctx );
@@ -1666,6 +1674,8 @@ void
_mesa_make_current( GLcontext *newCtx, GLframebuffer *drawBuffer,
GLframebuffer *readBuffer )
{
+ GET_CURRENT_CONTEXT(oldCtx);
+
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(newCtx, "_mesa_make_current()\n");
@@ -1690,6 +1700,11 @@ _mesa_make_current( GLcontext *newCtx, GLframebuffer *drawBuffer,
_glapi_set_context((void *) newCtx);
ASSERT(_mesa_get_current_context() == newCtx);
+ if (oldCtx) {
+ _mesa_unreference_framebuffer(&oldCtx->WinSysDrawBuffer);
+ _mesa_unreference_framebuffer(&oldCtx->WinSysReadBuffer);
+ }
+
if (!newCtx) {
_glapi_set_dispatch(NULL); /* none current */
}
@@ -1701,18 +1716,18 @@ _mesa_make_current( GLcontext *newCtx, GLframebuffer *drawBuffer,
ASSERT(drawBuffer->Name == 0);
ASSERT(readBuffer->Name == 0);
- newCtx->WinSysDrawBuffer = drawBuffer;
- newCtx->WinSysReadBuffer = readBuffer;
+ _mesa_reference_framebuffer(&newCtx->WinSysDrawBuffer, drawBuffer);
+ _mesa_reference_framebuffer(&newCtx->WinSysReadBuffer, readBuffer);
/*
* Only set the context's Draw/ReadBuffer fields if they're NULL
* or not bound to a user-created FBO.
*/
if (!newCtx->DrawBuffer || newCtx->DrawBuffer->Name == 0) {
- newCtx->DrawBuffer = drawBuffer;
+ _mesa_reference_framebuffer(&newCtx->DrawBuffer, drawBuffer);
}
if (!newCtx->ReadBuffer || newCtx->ReadBuffer->Name == 0) {
- newCtx->ReadBuffer = readBuffer;
+ _mesa_reference_framebuffer(&newCtx->ReadBuffer, readBuffer);
}
newCtx->NewState |= _NEW_BUFFERS;
diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index cf8de1e0cbe..6608eefc6c0 100644
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -602,7 +602,7 @@ _mesa_BindRenderbufferEXT(GLenum target, GLuint renderbuffer)
oldRb = ctx->CurrentRenderbuffer;
if (oldRb) {
- _mesa_dereference_renderbuffer(&oldRb);
+ _mesa_unreference_renderbuffer(&oldRb);
}
ASSERT(newRb != &DummyRenderbuffer);
@@ -639,7 +639,7 @@ _mesa_DeleteRenderbuffersEXT(GLsizei n, const GLuint *renderbuffers)
/* But the object will not be freed until it's no longer
* bound in any context.
*/
- _mesa_dereference_renderbuffer(&rb);
+ _mesa_unreference_renderbuffer(&rb);
}
}
}
@@ -938,7 +938,7 @@ check_end_texture_render(GLcontext *ctx, struct gl_framebuffer *fb)
void GLAPIENTRY
_mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
{
- struct gl_framebuffer *newFb, *oldFb;
+ struct gl_framebuffer *newFb;
GLboolean bindReadBuf, bindDrawBuf;
GET_CURRENT_CONTEXT(ctx);
@@ -998,12 +998,6 @@ _mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
}
_mesa_HashInsert(ctx->Shared->FrameBuffers, framebuffer, newFb);
}
- _glthread_LOCK_MUTEX(newFb->Mutex);
- if (bindReadBuf)
- newFb->RefCount++;
- if (bindDrawBuf)
- newFb->RefCount++;
- _glthread_UNLOCK_MUTEX(newFb->Mutex);
}
else {
/* Binding the window system framebuffer (which was originally set
@@ -1020,22 +1014,16 @@ _mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
*/
if (bindReadBuf) {
- oldFb = ctx->ReadBuffer;
- if (oldFb && oldFb->Name != 0) {
- _mesa_dereference_framebuffer(&oldFb);
- }
- ctx->ReadBuffer = newFb;
+ _mesa_unreference_framebuffer(&ctx->ReadBuffer);
+ _mesa_reference_framebuffer(&ctx->ReadBuffer, newFb);
}
if (bindDrawBuf) {
- oldFb = ctx->DrawBuffer;
- if (oldFb && oldFb->Name != 0) {
- /* check if old FB had any texture attachments */
- check_end_texture_render(ctx, oldFb);
- /* check if time to delete this framebuffer */
- _mesa_dereference_framebuffer(&oldFb);
- }
- ctx->DrawBuffer = newFb;
+ /* check if old FB had any texture attachments */
+ check_end_texture_render(ctx, ctx->DrawBuffer);
+ /* check if time to delete this framebuffer */
+ _mesa_unreference_framebuffer(&ctx->DrawBuffer);
+ _mesa_reference_framebuffer(&ctx->DrawBuffer, newFb);
if (newFb->Name != 0) {
/* check if newly bound framebuffer has any texture attachments */
check_begin_texture_render(ctx, newFb);
@@ -1083,7 +1071,7 @@ _mesa_DeleteFramebuffersEXT(GLsizei n, const GLuint *framebuffers)
/* But the object will not be freed until it's no longer
* bound in any context.
*/
- _mesa_dereference_framebuffer(&fb);
+ _mesa_unreference_framebuffer(&fb);
}
}
}
diff --git a/src/mesa/main/framebuffer.c b/src/mesa/main/framebuffer.c
index 465197401b7..c97d2f0077b 100644
--- a/src/mesa/main/framebuffer.c
+++ b/src/mesa/main/framebuffer.c
@@ -78,7 +78,7 @@ set_depth_renderbuffer(struct gl_framebuffer *fb,
struct gl_renderbuffer *rb)
{
if (fb->_DepthBuffer) {
- _mesa_dereference_renderbuffer(&fb->_DepthBuffer);
+ _mesa_unreference_renderbuffer(&fb->_DepthBuffer);
}
fb->_DepthBuffer = rb;
if (rb) {
@@ -96,7 +96,7 @@ set_stencil_renderbuffer(struct gl_framebuffer *fb,
struct gl_renderbuffer *rb)
{
if (fb->_StencilBuffer) {
- _mesa_dereference_renderbuffer(&fb->_StencilBuffer);
+ _mesa_unreference_renderbuffer(&fb->_StencilBuffer);
}
fb->_StencilBuffer = rb;
if (rb) {
@@ -166,6 +166,8 @@ _mesa_initialize_framebuffer(struct gl_framebuffer *fb, const GLvisual *visual)
_glthread_INIT_MUTEX(fb->Mutex);
+ fb->RefCount = 1;
+
/* save the visual */
fb->Visual = *visual;
@@ -198,7 +200,6 @@ void
_mesa_destroy_framebuffer(struct gl_framebuffer *fb)
{
if (fb) {
- _glthread_DESTROY_MUTEX(fb->Mutex);
_mesa_free_framebuffer_data(fb);
_mesa_free(fb);
}
@@ -215,20 +216,27 @@ _mesa_free_framebuffer_data(struct gl_framebuffer *fb)
GLuint i;
assert(fb);
+ assert(fb->RefCount == 0);
+
+ _glthread_DESTROY_MUTEX(fb->Mutex);
for (i = 0; i < BUFFER_COUNT; i++) {
struct gl_renderbuffer_attachment *att = &fb->Attachment[i];
if (att->Renderbuffer) {
- struct gl_renderbuffer *rb = att->Renderbuffer;
- /* remove framebuffer's reference to renderbuffer */
- _mesa_dereference_renderbuffer(&rb);
- if (rb && rb->Name == 0) {
- /* delete window system renderbuffer */
- _mesa_dereference_renderbuffer(&rb);
+ _mesa_unreference_renderbuffer(&att->Renderbuffer);
+ }
+ if (att->Texture) {
+ /* render to texture */
+ att->Texture->RefCount--;
+ if (att->Texture->RefCount == 0) {
+ GET_CURRENT_CONTEXT(ctx);
+ if (ctx) {
+ ctx->Driver.DeleteTexture(ctx, att->Texture);
+ }
}
}
att->Type = GL_NONE;
- att->Renderbuffer = NULL;
+ att->Texture = NULL;
}
/* unbind depth/stencil to decr ref counts */
@@ -238,25 +246,44 @@ _mesa_free_framebuffer_data(struct gl_framebuffer *fb)
/**
- * Decrement the reference count on a framebuffer and delete it when
+ * Set *ptr to point to fb, with refcounting and locking.
+ */
+void
+_mesa_reference_framebuffer(struct gl_framebuffer **ptr,
+ struct gl_framebuffer *fb)
+{
+ assert(ptr);
+ assert(!*ptr);
+ assert(fb);
+ _glthread_LOCK_MUTEX(fb->Mutex);
+ fb->RefCount++;
+ _glthread_UNLOCK_MUTEX(fb->Mutex);
+ *ptr = fb;
+}
+
+
+/**
+ * Undo/remove a reference to a framebuffer object.
+ * Decrement the framebuffer object's reference count and delete it when
* the refcount hits zero.
- * Note: we pass the address of a pointer and set it to NULL if we delete it.
+ * Note: we pass the address of a pointer and set it to NULL.
*/
void
-_mesa_dereference_framebuffer(struct gl_framebuffer **fb)
+_mesa_unreference_framebuffer(struct gl_framebuffer **fb)
{
- GLboolean deleteFlag = GL_FALSE;
+ assert(fb);
+ if (*fb) {
+ GLboolean deleteFlag = GL_FALSE;
- _glthread_LOCK_MUTEX((*fb)->Mutex);
- {
+ _glthread_LOCK_MUTEX((*fb)->Mutex);
ASSERT((*fb)->RefCount > 0);
(*fb)->RefCount--;
deleteFlag = ((*fb)->RefCount == 0);
- }
- _glthread_UNLOCK_MUTEX((*fb)->Mutex);
+ _glthread_UNLOCK_MUTEX((*fb)->Mutex);
+
+ if (deleteFlag)
+ (*fb)->Delete(*fb);
- if (deleteFlag) {
- (*fb)->Delete(*fb);
*fb = NULL;
}
}
@@ -605,21 +632,25 @@ update_color_draw_buffers(GLcontext *ctx, struct gl_framebuffer *fb)
GLbitfield bufferMask = fb->_ColorDrawBufferMask[output];
GLuint count = 0;
GLuint i;
- /* We need the inner loop here because glDrawBuffer(GL_FRONT_AND_BACK)
- * can specify writing to two or four color buffers (for example).
- */
- for (i = 0; bufferMask && i < BUFFER_COUNT; i++) {
- const GLuint bufferBit = 1 << i;
- if (bufferBit & bufferMask) {
- struct gl_renderbuffer *rb = fb->Attachment[i].Renderbuffer;
- if (rb) {
- fb->_ColorDrawBuffers[output][count] = rb;
- count++;
- }
- else {
- /*_mesa_warning(ctx, "DrawBuffer names a missing buffer!\n");*/
+ if (!fb->DeletePending) {
+ /* We need the inner loop here because glDrawBuffer(GL_FRONT_AND_BACK)
+ * can specify writing to two or four color buffers (for example).
+ */
+ for (i = 0; bufferMask && i < BUFFER_COUNT; i++) {
+ const GLuint bufferBit = 1 << i;
+ if (bufferBit & bufferMask) {
+ struct gl_renderbuffer *rb = fb->Attachment[i].Renderbuffer;
+ if (rb) {
+ fb->_ColorDrawBuffers[output][count] = rb;
+ count++;
+ }
+ else {
+ /*
+ _mesa_warning(ctx, "DrawBuffer names a missing buffer!\n");
+ */
+ }
+ bufferMask &= ~bufferBit;
}
- bufferMask &= ~bufferBit;
}
}
fb->_NumColorDrawBuffers[output] = count;
@@ -635,7 +666,7 @@ static void
update_color_read_buffer(GLcontext *ctx, struct gl_framebuffer *fb)
{
(void) ctx;
- if (fb->_ColorReadBufferIndex == -1) {
+ if (fb->_ColorReadBufferIndex == -1 || fb->DeletePending) {
fb->_ColorReadBuffer = NULL; /* legal! */
}
else {
diff --git a/src/mesa/main/framebuffer.h b/src/mesa/main/framebuffer.h
index 7f3254fe8ea..4d76f3a90f7 100644
--- a/src/mesa/main/framebuffer.h
+++ b/src/mesa/main/framebuffer.h
@@ -43,7 +43,11 @@ extern void
_mesa_free_framebuffer_data(struct gl_framebuffer *buffer);
extern void
-_mesa_dereference_framebuffer(struct gl_framebuffer **fb);
+_mesa_reference_framebuffer(struct gl_framebuffer **ptr,
+ struct gl_framebuffer *fb);
+
+extern void
+_mesa_unreference_framebuffer(struct gl_framebuffer **fb);
extern void
_mesa_resize_framebuffer(GLcontext *ctx, struct gl_framebuffer *fb,
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index e8f0f45d399..422d176c25a 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -2243,6 +2243,7 @@ struct gl_framebuffer
_glthread_Mutex Mutex; /**< for thread safety */
GLuint Name; /* if zero, this is a window system framebuffer */
GLint RefCount;
+ GLboolean DeletePending;
GLvisual Visual; /**< The framebuffer's visual.
Immutable if this is a window system buffer.
diff --git a/src/mesa/main/rastpos.c b/src/mesa/main/rastpos.c
index ddf2ac51d3b..d4f0fa2a710 100644
--- a/src/mesa/main/rastpos.c
+++ b/src/mesa/main/rastpos.c
@@ -1,8 +1,8 @@
/*
* Mesa 3-D graphics library
- * Version: 6.3
+ * Version: 6.5.3
*
- * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -112,9 +112,7 @@ userclip_point( GLcontext *ctx, const GLfloat v[] )
/**
- * This has been split off to allow the normal shade routines to
- * get a little closer to the vertex buffer, and to use the
- * GLvector objects directly.
+ * Compute lighting for the raster position. Both RGB and CI modes computed.
* \param ctx the context
* \param vertex vertex location
* \param normal normal vector
@@ -130,10 +128,10 @@ shade_rastpos(GLcontext *ctx,
GLfloat Rspec[4],
GLfloat *Rindex)
{
- GLfloat (*base)[3] = ctx->Light._BaseColor;
- struct gl_light *light;
- GLfloat diffuseColor[4], specularColor[4];
- GLfloat diffuse = 0, specular = 0;
+ /*const*/ GLfloat (*base)[3] = ctx->Light._BaseColor;
+ const struct gl_light *light;
+ GLfloat diffuseColor[4], specularColor[4]; /* for RGB mode only */
+ GLfloat diffuseCI = 0.0, specularCI = 0.0; /* for CI mode only */
if (!ctx->_ShineTable[0] || !ctx->_ShineTable[1])
_mesa_validate_all_lighting_tables( ctx );
@@ -144,28 +142,31 @@ shade_rastpos(GLcontext *ctx,
ASSIGN_4V(specularColor, 0.0, 0.0, 0.0, 0.0);
foreach (light, &ctx->Light.EnabledList) {
- GLfloat n_dot_h;
GLfloat attenuation = 1.0;
- GLfloat VP[3];
+ GLfloat VP[3]; /* vector from vertex to light pos */
GLfloat n_dot_VP;
- GLfloat *h;
GLfloat diffuseContrib[3], specularContrib[3];
- GLboolean normalized;
if (!(light->_Flags & LIGHT_POSITIONAL)) {
+ /* light at infinity */
COPY_3V(VP, light->_VP_inf_norm);
attenuation = light->_VP_inf_spot_attenuation;
}
else {
+ /* local/positional light */
GLfloat d;
+ /* VP = vector from vertex pos to light[i].pos */
SUB_3V(VP, light->_Position, vertex);
+ /* d = length(VP) */
d = (GLfloat) LEN_3FV( VP );
-
- if ( d > 1e-6) {
+ if (d > 1.0e-6) {
+ /* normalize VP */
GLfloat invd = 1.0F / d;
SELF_SCALE_SCALAR_3V(VP, invd);
}
+
+ /* atti */
attenuation = 1.0F / (light->ConstantAttenuation + d *
(light->LinearAttenuation + d *
light->QuadraticAttenuation));
@@ -196,43 +197,39 @@ shade_rastpos(GLcontext *ctx,
continue;
}
+ /* Ambient + diffuse */
COPY_3V(diffuseContrib, light->_MatAmbient[0]);
ACC_SCALE_SCALAR_3V(diffuseContrib, n_dot_VP, light->_MatDiffuse[0]);
- diffuse += n_dot_VP * light->_dli * attenuation;
- ASSIGN_3V(specularContrib, 0.0, 0.0, 0.0);
+ diffuseCI += n_dot_VP * light->_dli * attenuation;
+ /* Specular */
{
+ const GLfloat *h;
+ GLfloat n_dot_h;
+
+ ASSIGN_3V(specularContrib, 0.0, 0.0, 0.0);
+
if (ctx->Light.Model.LocalViewer) {
GLfloat v[3];
COPY_3V(v, vertex);
NORMALIZE_3FV(v);
SUB_3V(VP, VP, v);
+ NORMALIZE_3FV(VP);
h = VP;
- normalized = 0;
}
else if (light->_Flags & LIGHT_POSITIONAL) {
+ ACC_3V(VP, ctx->_EyeZDir);
+ NORMALIZE_3FV(VP);
h = VP;
- ACC_3V(h, ctx->_EyeZDir);
- normalized = 0;
}
else {
h = light->_h_inf_norm;
- normalized = 1;
}
n_dot_h = DOT3(normal, h);
if (n_dot_h > 0.0F) {
- GLfloat (*mat)[4] = ctx->Light.Material.Attrib;
GLfloat spec_coef;
- GLfloat shininess = mat[MAT_ATTRIB_FRONT_SHININESS][0];
-
- if (!normalized) {
- n_dot_h *= n_dot_h;
- n_dot_h /= LEN_SQUARED_3FV( h );
- shininess *= .5;
- }
-
GET_SHINE_TAB_ENTRY( ctx->_ShineTable[0], n_dot_h, spec_coef );
if (spec_coef > 1.0e-10) {
@@ -244,7 +241,8 @@ shade_rastpos(GLcontext *ctx,
ACC_SCALE_SCALAR_3V( diffuseContrib, spec_coef,
light->_MatSpecular[0]);
}
- specular += spec_coef * light->_sli * attenuation;
+ /*assert(light->_sli > 0.0);*/
+ specularCI += spec_coef * light->_sli * attenuation;
}
}
}
@@ -268,8 +266,8 @@ shade_rastpos(GLcontext *ctx,
GLfloat d_a = ind[MAT_INDEX_DIFFUSE] - ind[MAT_INDEX_AMBIENT];
GLfloat s_a = ind[MAT_INDEX_SPECULAR] - ind[MAT_INDEX_AMBIENT];
GLfloat i = (ind[MAT_INDEX_AMBIENT]
- + diffuse * (1.0F-specular) * d_a
- + specular * s_a);
+ + diffuseCI * (1.0F-specularCI) * d_a
+ + specularCI * s_a);
if (i > ind[MAT_INDEX_SPECULAR]) {
i = ind[MAT_INDEX_SPECULAR];
}
diff --git a/src/mesa/main/rbadaptors.c b/src/mesa/main/rbadaptors.c
index 313c8d43d62..60f4948becf 100644
--- a/src/mesa/main/rbadaptors.c
+++ b/src/mesa/main/rbadaptors.c
@@ -1,8 +1,8 @@
/*
* Mesa 3-D graphics library
- * Version: 6.5.1
+ * Version: 6.5.3
*
- * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -45,7 +45,7 @@ Delete_wrapper(struct gl_renderbuffer *rb)
/* Decrement reference count on the buffer we're wrapping and delete
* it if refcount hits zero.
*/
- _mesa_dereference_renderbuffer(&rb->Wrapped);
+ _mesa_unreference_renderbuffer(&rb->Wrapped);
/* delete myself */
_mesa_delete_renderbuffer(rb);
diff --git a/src/mesa/main/renderbuffer.c b/src/mesa/main/renderbuffer.c
index 6b18d60baff..1cc95a7d3b4 100644
--- a/src/mesa/main/renderbuffer.c
+++ b/src/mesa/main/renderbuffer.c
@@ -2089,32 +2089,33 @@ _mesa_remove_renderbuffer(struct gl_framebuffer *fb, GLuint bufferName)
if (!rb)
return;
- _mesa_dereference_renderbuffer(&rb);
+ _mesa_unreference_renderbuffer(&rb);
fb->Attachment[bufferName].Renderbuffer = NULL;
}
/**
- * Decrement the reference count on a renderbuffer and delete it when
+ * Decrement a renderbuffer object's reference count and delete it when
* the refcount hits zero.
- * Note: we pass the address of a pointer and set it to NULL if we delete it.
+ * Note: we pass the address of a pointer.
*/
void
-_mesa_dereference_renderbuffer(struct gl_renderbuffer **rb)
+_mesa_unreference_renderbuffer(struct gl_renderbuffer **rb)
{
- GLboolean deleteFlag = GL_FALSE;
+ assert(rb);
+ if (*rb) {
+ GLboolean deleteFlag = GL_FALSE;
- _glthread_LOCK_MUTEX((*rb)->Mutex);
- {
+ _glthread_LOCK_MUTEX((*rb)->Mutex);
ASSERT((*rb)->RefCount > 0);
(*rb)->RefCount--;
deleteFlag = ((*rb)->RefCount == 0);
- }
- _glthread_UNLOCK_MUTEX((*rb)->Mutex);
+ _glthread_UNLOCK_MUTEX((*rb)->Mutex);
+
+ if (deleteFlag)
+ (*rb)->Delete(*rb);
- if (deleteFlag) {
- (*rb)->Delete(*rb);
*rb = NULL;
}
}
diff --git a/src/mesa/main/renderbuffer.h b/src/mesa/main/renderbuffer.h
index 74ca43c57ab..e1a0a559792 100644
--- a/src/mesa/main/renderbuffer.h
+++ b/src/mesa/main/renderbuffer.h
@@ -99,7 +99,7 @@ extern void
_mesa_remove_renderbuffer(struct gl_framebuffer *fb, GLuint bufferName);
extern void
-_mesa_dereference_renderbuffer(struct gl_renderbuffer **rb);
+_mesa_unreference_renderbuffer(struct gl_renderbuffer **rb);
extern struct gl_renderbuffer *
_mesa_new_depthstencil_renderbuffer(GLcontext *ctx, GLuint name);