/*
* Mesa 3-D graphics library
- * Version: 7.6
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
* Copyright (C) 2009 VMware, Inc. All Rights Reserved.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
*/
#include "context.h"
#include "bufferobj.h"
#include "fbobject.h"
-#include "mfeatures.h"
#include "mtypes.h"
#include "texobj.h"
#include "transformfeedback.h"
}
-static inline GLbitfield
-default_access_mode(const struct gl_context *ctx)
+/**
+ * Convert a GLbitfield describing the mapped buffer access flags
+ * into one of GL_READ_WRITE, GL_READ_ONLY, or GL_WRITE_ONLY.
+ */
+static GLenum
+simplified_access_mode(struct gl_context *ctx, GLbitfield access)
{
- /* Table 2.6 on page 31 (page 44 of the PDF) of the OpenGL 1.5 spec says:
+ const GLbitfield rwFlags = GL_MAP_READ_BIT | GL_MAP_WRITE_BIT;
+ if ((access & rwFlags) == rwFlags)
+ return GL_READ_WRITE;
+ if ((access & GL_MAP_READ_BIT) == GL_MAP_READ_BIT)
+ return GL_READ_ONLY;
+ if ((access & GL_MAP_WRITE_BIT) == GL_MAP_WRITE_BIT)
+ return GL_WRITE_ONLY;
+
+ /* Otherwise, AccessFlags is zero (the default state).
+ *
+ * Table 2.6 on page 31 (page 44 of the PDF) of the OpenGL 1.5 spec says:
*
* Name Type Initial Value Legal Values
* ... ... ... ...
* The difference is because GL_OES_mapbuffer only supports mapping buffers
* write-only.
*/
- return _mesa_is_gles(ctx)
- ? GL_MAP_WRITE_BIT : (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT);
-}
+ assert(access == 0);
-
-/**
- * Convert a GLbitfield describing the mapped buffer access flags
- * into one of GL_READ_WRITE, GL_READ_ONLY, or GL_WRITE_ONLY.
- */
-static GLenum
-simplified_access_mode(GLbitfield access)
-{
- const GLbitfield rwFlags = GL_MAP_READ_BIT | GL_MAP_WRITE_BIT;
- if ((access & rwFlags) == rwFlags)
- return GL_READ_WRITE;
- if ((access & GL_MAP_READ_BIT) == GL_MAP_READ_BIT)
- return GL_READ_ONLY;
- if ((access & GL_MAP_WRITE_BIT) == GL_MAP_WRITE_BIT)
- return GL_WRITE_ONLY;
- return GL_READ_WRITE; /* this should never happen, but no big deal */
+ return _mesa_is_gles(ctx) ? GL_WRITE_ONLY : GL_READ_WRITE;
}
obj->RefCount = 1;
obj->Name = name;
obj->Usage = GL_STATIC_DRAW_ARB;
- obj->AccessFlags = default_access_mode(ctx);
+ obj->AccessFlags = 0;
}
_mesa_reference_buffer_object(ctx, &ctx->CopyWriteBuffer,
ctx->Shared->NullBufferObj);
- ctx->UniformBufferBindings = calloc(ctx->Const.MaxUniformBufferBindings,
- sizeof(*ctx->UniformBufferBindings));
-
_mesa_reference_buffer_object(ctx, &ctx->UniformBuffer,
ctx->Shared->NullBufferObj);
- for (i = 0; i < ctx->Const.MaxUniformBufferBindings; i++) {
+ for (i = 0; i < MAX_COMBINED_UNIFORM_BUFFERS; i++) {
_mesa_reference_buffer_object(ctx,
&ctx->UniformBufferBindings[i].BufferObject,
ctx->Shared->NullBufferObj);
_mesa_reference_buffer_object(ctx, &ctx->UniformBuffer, NULL);
- for (i = 0; i < ctx->Const.MaxUniformBufferBindings; i++) {
+ for (i = 0; i < MAX_COMBINED_UNIFORM_BUFFERS; i++) {
_mesa_reference_buffer_object(ctx,
&ctx->UniformBufferBindings[i].BufferObject,
NULL);
}
-
- free(ctx->UniformBufferBindings);
- ctx->UniformBufferBindings = NULL;
}
static bool
_mesa_BindBuffer(GLenum target, GLuint buffer)
{
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glBindBuffer(%s, %u)\n",
{
GET_CURRENT_CONTEXT(ctx);
GLsizei i;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
FLUSH_VERTICES(ctx, 0);
if (n < 0) {
if (_mesa_bufferobj_mapped(bufObj)) {
/* if mapped, unmap it now */
ctx->Driver.UnmapBuffer(ctx, bufObj);
- bufObj->AccessFlags = default_access_mode(ctx);
+ bufObj->AccessFlags = 0;
bufObj->Pointer = NULL;
}
GET_CURRENT_CONTEXT(ctx);
GLuint first;
GLint i;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glGenBuffers(%d)\n", n);
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
bool valid_usage;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(ctx, "glBufferData(%s, %ld, %p, %s)\n",
if (_mesa_bufferobj_mapped(bufObj)) {
/* Unmap the existing buffer. We'll replace it now. Not an error. */
ctx->Driver.UnmapBuffer(ctx, bufObj);
- bufObj->AccessFlags = default_access_mode(ctx);
+ bufObj->AccessFlags = 0;
ASSERT(bufObj->Pointer == NULL);
}
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
bufObj = buffer_object_subdata_range_good( ctx, target, offset, size,
"glBufferSubDataARB" );
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
bufObj = buffer_object_subdata_range_good( ctx, target, offset, size,
"glGetBufferSubDataARB" );
#endif
status = ctx->Driver.UnmapBuffer( ctx, bufObj );
- bufObj->AccessFlags = default_access_mode(ctx);
+ bufObj->AccessFlags = 0;
ASSERT(bufObj->Pointer == NULL);
ASSERT(bufObj->Offset == 0);
ASSERT(bufObj->Length == 0);
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
bufObj = get_buffer(ctx, "glGetBufferParameterivARB", target);
if (!bufObj)
*params = bufObj->Usage;
return;
case GL_BUFFER_ACCESS_ARB:
- *params = simplified_access_mode(bufObj->AccessFlags);
+ *params = simplified_access_mode(ctx, bufObj->AccessFlags);
return;
case GL_BUFFER_MAPPED_ARB:
*params = _mesa_bufferobj_mapped(bufObj);
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
bufObj = get_buffer(ctx, "glGetBufferParameteri64v", target);
if (!bufObj)
*params = bufObj->Usage;
return;
case GL_BUFFER_ACCESS_ARB:
- *params = simplified_access_mode(bufObj->AccessFlags);
+ *params = simplified_access_mode(ctx, bufObj->AccessFlags);
return;
case GL_BUFFER_ACCESS_FLAGS:
if (!ctx->Extensions.ARB_map_buffer_range)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object * bufObj;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
if (pname != GL_BUFFER_MAP_POINTER_ARB) {
_mesa_error(ctx, GL_INVALID_ENUM, "glGetBufferPointervARB(pname)");
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *src, *dst;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
src = get_buffer(ctx, "glCopyBufferSubData", readTarget);
if (!src)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
if (!ctx->Extensions.ARB_map_buffer_range) {
_mesa_error(ctx, GL_INVALID_OPERATION,
return;
}
- FLUSH_VERTICES(ctx, _NEW_BUFFER_OBJECT);
+ FLUSH_VERTICES(ctx, 0);
+ ctx->NewDriverState |= ctx->DriverFlags.NewUniformBuffer;
_mesa_reference_buffer_object(ctx, &binding->BufferObject, bufObj);
binding->Offset = offset;
(int) size);
return;
}
-
- if (offset + size > bufObj->Size) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glBindBufferRange(offset + size %d > buffer size %d)",
- (int) (offset + size), (int) (bufObj->Size));
- return;
- }
}
switch (target) {
projects / mesa.git / blobdiff