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-rw-r--r--src/mesa/main/bufferobj.c115
1 files changed, 70 insertions, 45 deletions
diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c
index 1d0f4b40679..adaf3ade078 100644
--- a/src/mesa/main/bufferobj.c
+++ b/src/mesa/main/bufferobj.c
@@ -1,6 +1,6 @@
/*
* Mesa 3-D graphics library
- * Version: 6.5
+ * Version: 6.5.1
*
* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
*
@@ -44,13 +44,11 @@
* \param ctx GL context
* \param target Buffer object target to be retrieved. Currently this must
* be either \c GL_ARRAY_BUFFER or \c GL_ELEMENT_ARRAY_BUFFER.
- * \param caller Name of calling function for recording errors.
* \return A pointer to the buffer object bound to \c target in the
- * specified context or \c NULL if \c target is invalid or no
- * buffer object is bound.
+ * specified context or \c NULL if \c target is invalid.
*/
static INLINE struct gl_buffer_object *
-buffer_object_get_target(GLcontext *ctx, GLenum target, const char *caller)
+get_buffer(GLcontext *ctx, GLenum target)
{
struct gl_buffer_object * bufObj = NULL;
@@ -68,12 +66,12 @@ buffer_object_get_target(GLcontext *ctx, GLenum target, const char *caller)
bufObj = ctx->Unpack.BufferObj;
break;
default:
- _mesa_error(ctx, GL_INVALID_ENUM, "gl%s(target)", caller);
+ /* error must be recorded by caller */
return NULL;
}
- if (bufObj->Name == 0)
- return NULL;
+ /* bufObj should point to NullBufferObj or a user-created buffer object */
+ ASSERT(bufObj);
return bufObj;
}
@@ -112,17 +110,20 @@ buffer_object_subdata_range_good( GLcontext * ctx, GLenum target,
return NULL;
}
- bufObj = buffer_object_get_target(ctx, target, caller);
- if (!bufObj || bufObj->Name == 0) {
+ bufObj = get_buffer(ctx, target);
+ if (!bufObj) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(target)", caller);
+ return NULL;
+ }
+ if (bufObj->Name == 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", caller);
return NULL;
}
-
if ((GLuint) (offset + size) > bufObj->Size) {
_mesa_error(ctx, GL_INVALID_VALUE,
"%s(size + offset > buffer size)", caller);
return NULL;
}
-
if (bufObj->Pointer) {
/* Buffer is currently mapped */
_mesa_error(ctx, GL_INVALID_OPERATION, "%s", caller);
@@ -491,9 +492,29 @@ _mesa_BindBufferARB(GLenum target, GLuint buffer)
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *oldBufObj;
struct gl_buffer_object *newBufObj = NULL;
+ struct gl_buffer_object **bindTarget = NULL;
ASSERT_OUTSIDE_BEGIN_END(ctx);
- oldBufObj = buffer_object_get_target( ctx, target, "BindBufferARB" );
+ switch (target) {
+ case GL_ARRAY_BUFFER_ARB:
+ bindTarget = &ctx->Array.ArrayBufferObj;
+ break;
+ case GL_ELEMENT_ARRAY_BUFFER_ARB:
+ bindTarget = &ctx->Array.ElementArrayBufferObj;
+ break;
+ case GL_PIXEL_PACK_BUFFER_EXT:
+ bindTarget = &ctx->Pack.BufferObj;
+ break;
+ case GL_PIXEL_UNPACK_BUFFER_EXT:
+ bindTarget = &ctx->Unpack.BufferObj;
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferARB(target)");
+ return;
+ }
+
+ /* Get pointer to old buffer object (to be unbound) */
+ oldBufObj = get_buffer(ctx, target);
if (oldBufObj && oldBufObj->Name == buffer)
return; /* rebinding the same buffer object- no change */
@@ -519,31 +540,17 @@ _mesa_BindBufferARB(GLenum target, GLuint buffer)
}
_mesa_save_buffer_object(ctx, newBufObj);
}
- newBufObj->RefCount++;
}
- switch (target) {
- case GL_ARRAY_BUFFER_ARB:
- ctx->Array.ArrayBufferObj = newBufObj;
- break;
- case GL_ELEMENT_ARRAY_BUFFER_ARB:
- ctx->Array.ElementArrayBufferObj = newBufObj;
- break;
- case GL_PIXEL_PACK_BUFFER_EXT:
- ctx->Pack.BufferObj = newBufObj;
- break;
- case GL_PIXEL_UNPACK_BUFFER_EXT:
- ctx->Unpack.BufferObj = newBufObj;
- break;
- default:
- _mesa_problem(ctx, "Bad target in _mesa_BindBufferARB");
- return;
- }
+ /* Make new binding */
+ *bindTarget = newBufObj;
+ newBufObj->RefCount++;
/* Pass BindBuffer call to device driver */
if (ctx->Driver.BindBuffer && newBufObj)
ctx->Driver.BindBuffer( ctx, target, newBufObj );
+ /* decr ref count on old buffer obj, delete if needed */
if (oldBufObj) {
oldBufObj->RefCount--;
assert(oldBufObj->RefCount >= 0);
@@ -759,8 +766,12 @@ _mesa_BufferDataARB(GLenum target, GLsizeiptrARB size,
return;
}
- bufObj = buffer_object_get_target( ctx, target, "BufferDataARB" );
- if (!bufObj || bufObj->Name ==0) {
+ bufObj = get_buffer(ctx, target);
+ if (!bufObj) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBufferDataARB(target)" );
+ return;
+ }
+ if (bufObj->Name == 0) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glBufferDataARB" );
return;
}
@@ -786,7 +797,7 @@ _mesa_BufferSubDataARB(GLenum target, GLintptrARB offset,
ASSERT_OUTSIDE_BEGIN_END(ctx);
bufObj = buffer_object_subdata_range_good( ctx, target, offset, size,
- "BufferSubDataARB" );
+ "glBufferSubDataARB" );
if (!bufObj) {
/* error already recorded */
return;
@@ -806,7 +817,7 @@ _mesa_GetBufferSubDataARB(GLenum target, GLintptrARB offset,
ASSERT_OUTSIDE_BEGIN_END(ctx);
bufObj = buffer_object_subdata_range_good( ctx, target, offset, size,
- "GetBufferSubDataARB" );
+ "glGetBufferSubDataARB" );
if (!bufObj) {
/* error already recorded */
return;
@@ -835,12 +846,15 @@ _mesa_MapBufferARB(GLenum target, GLenum access)
return NULL;
}
- bufObj = buffer_object_get_target( ctx, target, "MapBufferARB" );
- if (!bufObj || bufObj->Name == 0) {
+ bufObj = get_buffer(ctx, target);
+ if (!bufObj) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glMapBufferARB(target)" );
+ return NULL;
+ }
+ if (bufObj->Name == 0) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glMapBufferARB" );
return NULL;
}
-
if (bufObj->Pointer) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glMapBufferARB(already mapped)");
return NULL;
@@ -866,12 +880,15 @@ _mesa_UnmapBufferARB(GLenum target)
GLboolean status = GL_TRUE;
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
- bufObj = buffer_object_get_target( ctx, target, "UnmapBufferARB" );
- if (!bufObj || bufObj->Name == 0) {
+ bufObj = get_buffer(ctx, target);
+ if (!bufObj) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glUnmapBufferARB(target)" );
+ return GL_FALSE;
+ }
+ if (bufObj->Name == 0) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glUnmapBufferARB" );
return GL_FALSE;
}
-
if (!bufObj->Pointer) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glUnmapBufferARB");
return GL_FALSE;
@@ -895,8 +912,12 @@ _mesa_GetBufferParameterivARB(GLenum target, GLenum pname, GLint *params)
struct gl_buffer_object *bufObj;
ASSERT_OUTSIDE_BEGIN_END(ctx);
- bufObj = buffer_object_get_target( ctx, target, "GetBufferParameterivARB" );
- if (!bufObj || bufObj->Name == 0) {
+ bufObj = get_buffer(ctx, target);
+ if (!bufObj) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "GetBufferParameterivARB(target)" );
+ return;
+ }
+ if (bufObj->Name == 0) {
_mesa_error(ctx, GL_INVALID_OPERATION, "GetBufferParameterivARB" );
return;
}
@@ -933,8 +954,12 @@ _mesa_GetBufferPointervARB(GLenum target, GLenum pname, GLvoid **params)
return;
}
- bufObj = buffer_object_get_target( ctx, target, "GetBufferPointervARB" );
- if (!bufObj || bufObj->Name == 0) {
+ bufObj = get_buffer(ctx, target);
+ if (!bufObj) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetBufferPointervARB(target)" );
+ return;
+ }
+ if (bufObj->Name == 0) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetBufferPointervARB" );
return;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 16:34:03 +0000