#include "glheader.h"
+#include "enums.h"
#include "hash.h"
#include "imports.h"
#include "image.h"
#include "context.h"
#include "bufferobj.h"
+#include "fbobject.h"
+#include "texobj.h"
/* Debug flags */
/*#define BOUNDS_CHECK*/
-#ifdef FEATURE_OES_mapbuffer
+#if FEATURE_OES_mapbuffer
#define DEFAULT_ACCESS GL_MAP_WRITE_BIT
#else
#define DEFAULT_ACCESS (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT)
/**
- * Get the buffer object bound to the specified target in a GL context.
- *
- * \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.
- * \return A pointer to the buffer object bound to \c target in the
+ * Return pointer to address of a buffer object target.
+ * \param ctx the GL context
+ * \param target the buffer object target to be retrieved.
+ * \return pointer to pointer to the buffer object bound to \c target in the
* specified context or \c NULL if \c target is invalid.
*/
-static INLINE struct gl_buffer_object *
-get_buffer(GLcontext *ctx, GLenum target)
+static INLINE struct gl_buffer_object **
+get_buffer_target(GLcontext *ctx, GLenum target)
{
- struct gl_buffer_object * bufObj = NULL;
-
switch (target) {
- case GL_ARRAY_BUFFER_ARB:
- bufObj = ctx->Array.ArrayBufferObj;
- break;
- case GL_ELEMENT_ARRAY_BUFFER_ARB:
- bufObj = ctx->Array.ElementArrayBufferObj;
- break;
- case GL_PIXEL_PACK_BUFFER_EXT:
- bufObj = ctx->Pack.BufferObj;
- break;
- case GL_PIXEL_UNPACK_BUFFER_EXT:
- bufObj = ctx->Unpack.BufferObj;
- break;
- case GL_COPY_READ_BUFFER:
- if (ctx->Extensions.ARB_copy_buffer) {
- bufObj = ctx->CopyReadBuffer;
- }
- break;
- case GL_COPY_WRITE_BUFFER:
- if (ctx->Extensions.ARB_copy_buffer) {
- bufObj = ctx->CopyWriteBuffer;
- }
- break;
- default:
- /* error must be recorded by caller */
- return NULL;
+ case GL_ARRAY_BUFFER_ARB:
+ return &ctx->Array.ArrayBufferObj;
+ case GL_ELEMENT_ARRAY_BUFFER_ARB:
+ return &ctx->Array.ElementArrayBufferObj;
+ case GL_PIXEL_PACK_BUFFER_EXT:
+ return &ctx->Pack.BufferObj;
+ case GL_PIXEL_UNPACK_BUFFER_EXT:
+ return &ctx->Unpack.BufferObj;
+ case GL_COPY_READ_BUFFER:
+ if (ctx->Extensions.ARB_copy_buffer) {
+ return &ctx->CopyReadBuffer;
+ }
+ break;
+ case GL_COPY_WRITE_BUFFER:
+ if (ctx->Extensions.ARB_copy_buffer) {
+ return &ctx->CopyWriteBuffer;
+ }
+ break;
+#if FEATURE_EXT_transform_feedback
+ case GL_TRANSFORM_FEEDBACK_BUFFER:
+ if (ctx->Extensions.EXT_transform_feedback) {
+ return &ctx->TransformFeedback.CurrentBuffer;
+ }
+ break;
+#endif
+ default:
+ return NULL;
}
+ return NULL;
+}
- /* bufObj should point to NullBufferObj or a user-created buffer object */
- ASSERT(bufObj);
- return bufObj;
+/**
+ * Get the buffer object bound to the specified target in a GL context.
+ * \param ctx the GL context
+ * \param target the buffer object target to be retrieved.
+ * \return pointer to the buffer object bound to \c target in the
+ * specified context or \c NULL if \c target is invalid.
+ */
+static INLINE struct gl_buffer_object *
+get_buffer(GLcontext *ctx, GLenum target)
+{
+ struct gl_buffer_object **bufObj = get_buffer_target(ctx, target);
+ if (bufObj)
+ return *bufObj;
+ return NULL;
}
(void) ctx;
if (bufObj->Data)
- _mesa_free(bufObj->Data);
+ free(bufObj->Data);
/* assign strange values here to help w/ debugging */
bufObj->RefCount = -1000;
bufObj->Name = ~0;
- _mesa_free(bufObj);
+ _glthread_DESTROY_MUTEX(bufObj->Mutex);
+ free(bufObj);
}
GLboolean deleteFlag = GL_FALSE;
struct gl_buffer_object *oldObj = *ptr;
- /*_glthread_LOCK_MUTEX(oldObj->Mutex);*/
+ _glthread_LOCK_MUTEX(oldObj->Mutex);
ASSERT(oldObj->RefCount > 0);
oldObj->RefCount--;
#if 0
(void *) oldObj, oldObj->Name, oldObj->RefCount);
#endif
deleteFlag = (oldObj->RefCount == 0);
- /*_glthread_UNLOCK_MUTEX(oldObj->Mutex);*/
+ _glthread_UNLOCK_MUTEX(oldObj->Mutex);
if (deleteFlag) {
if (bufObj) {
/* reference new buffer */
- /*_glthread_LOCK_MUTEX(tex->Mutex);*/
+ _glthread_LOCK_MUTEX(bufObj->Mutex);
if (bufObj->RefCount == 0) {
/* this buffer's being deleted (look just above) */
/* Not sure this can every really happen. Warn if it does. */
#endif
*ptr = bufObj;
}
- /*_glthread_UNLOCK_MUTEX(tex->Mutex);*/
+ _glthread_UNLOCK_MUTEX(bufObj->Mutex);
}
}
{
(void) target;
- _mesa_bzero(obj, sizeof(struct gl_buffer_object));
+ memset(obj, 0, sizeof(struct gl_buffer_object));
+ _glthread_INIT_MUTEX(obj->Mutex);
obj->RefCount = 1;
obj->Name = name;
obj->Usage = GL_STATIC_DRAW_ARB;
bufObj->Usage = usage;
if (data) {
- _mesa_memcpy( bufObj->Data, data, size );
+ memcpy( bufObj->Data, data, size );
}
return GL_TRUE;
ASSERT(size + offset <= bufObj->Size);
if (bufObj->Data) {
- _mesa_memcpy( (GLubyte *) bufObj->Data + offset, data, size );
+ memcpy( (GLubyte *) bufObj->Data + offset, data, size );
}
}
(void) ctx; (void) target;
if (bufObj->Data && ((GLsizeiptrARB) (size + offset) <= bufObj->Size)) {
- _mesa_memcpy( data, (GLubyte *) bufObj->Data + offset, size );
+ memcpy( data, (GLubyte *) bufObj->Data + offset, size );
}
}
GL_WRITE_ONLY, dst);
if (srcPtr && dstPtr)
- _mesa_memcpy(dstPtr + writeOffset, srcPtr + readOffset, size);
+ memcpy(dstPtr + writeOffset, srcPtr + readOffset, size);
ctx->Driver.UnmapBuffer(ctx, GL_COPY_READ_BUFFER, src);
ctx->Driver.UnmapBuffer(ctx, GL_COPY_WRITE_BUFFER, dst);
}
+void
+_mesa_free_buffer_objects( GLcontext *ctx )
+{
+ _mesa_reference_buffer_object(ctx, &ctx->Array.ArrayBufferObj, NULL);
+ _mesa_reference_buffer_object(ctx, &ctx->Array.ElementArrayBufferObj, NULL);
+
+ _mesa_reference_buffer_object(ctx, &ctx->CopyReadBuffer, NULL);
+ _mesa_reference_buffer_object(ctx, &ctx->CopyWriteBuffer, NULL);
+}
+
+
/**
* Bind the specified target to buffer for the specified context.
+ * Called by glBindBuffer() and other functions.
*/
static void
bind_buffer_object(GLcontext *ctx, GLenum target, GLuint buffer)
struct gl_buffer_object *newBufObj = NULL;
struct gl_buffer_object **bindTarget = NULL;
- 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;
- case GL_COPY_READ_BUFFER:
- if (ctx->Extensions.ARB_copy_buffer) {
- bindTarget = &ctx->CopyReadBuffer;
- }
- break;
- case GL_COPY_WRITE_BUFFER:
- if (ctx->Extensions.ARB_copy_buffer) {
- bindTarget = &ctx->CopyWriteBuffer;
- }
- break;
- default:
- ; /* no-op / we'll hit the follow error test next */
- }
-
+ bindTarget = get_buffer_target(ctx, target);
if (!bindTarget) {
_mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferARB(target 0x%x)");
return;
}
/* Get pointer to old buffer object (to be unbound) */
- oldBufObj = get_buffer(ctx, target);
+ oldBufObj = *bindTarget;
if (oldBufObj && oldBufObj->Name == buffer)
return; /* rebinding the same buffer object- no change */
}
switch (usage) {
- case GL_STREAM_DRAW_ARB:
- case GL_STREAM_READ_ARB:
- case GL_STREAM_COPY_ARB:
- case GL_STATIC_DRAW_ARB:
- case GL_STATIC_READ_ARB:
- case GL_STATIC_COPY_ARB:
- case GL_DYNAMIC_DRAW_ARB:
- case GL_DYNAMIC_READ_ARB:
- case GL_DYNAMIC_COPY_ARB:
- /* OK */
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glBufferDataARB(usage)");
- return;
+ case GL_STREAM_DRAW_ARB:
+ case GL_STREAM_READ_ARB:
+ case GL_STREAM_COPY_ARB:
+ case GL_STATIC_DRAW_ARB:
+ case GL_STATIC_READ_ARB:
+ case GL_STATIC_COPY_ARB:
+ case GL_DYNAMIC_DRAW_ARB:
+ case GL_DYNAMIC_READ_ARB:
+ case GL_DYNAMIC_COPY_ARB:
+ /* OK */
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBufferDataARB(usage)");
+ return;
}
bufObj = get_buffer(ctx, target);
bufObj->Written = GL_TRUE;
#ifdef VBO_DEBUG
- _mesa_printf("glBufferDataARB(%u, sz %ld, from %p, usage 0x%x)\n",
+ printf("glBufferDataARB(%u, sz %ld, from %p, usage 0x%x)\n",
bufObj->Name, size, data, usage);
#endif
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, NULL);
switch (access) {
- case GL_READ_ONLY_ARB:
- accessFlags = GL_MAP_READ_BIT;
- break;
- case GL_WRITE_ONLY_ARB:
- accessFlags = GL_MAP_WRITE_BIT;
- break;
- case GL_READ_WRITE_ARB:
- accessFlags = GL_MAP_READ_BIT | GL_MAP_WRITE_BIT;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glMapBufferARB(access)");
- return NULL;
+ case GL_READ_ONLY_ARB:
+ accessFlags = GL_MAP_READ_BIT;
+ break;
+ case GL_WRITE_ONLY_ARB:
+ accessFlags = GL_MAP_WRITE_BIT;
+ break;
+ case GL_READ_WRITE_ARB:
+ accessFlags = GL_MAP_READ_BIT | GL_MAP_WRITE_BIT;
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glMapBufferARB(access)");
+ return NULL;
}
bufObj = get_buffer(ctx, target);
bufObj->Written = GL_TRUE;
#ifdef VBO_DEBUG
- _mesa_printf("glMapBufferARB(%u, sz %ld, access 0x%x)\n",
- bufObj->Name, bufObj->Size, access);
+ printf("glMapBufferARB(%u, sz %ld, access 0x%x)\n",
+ bufObj->Name, bufObj->Size, access);
if (access == GL_WRITE_ONLY_ARB) {
GLuint i;
GLubyte *b = (GLubyte *) bufObj->Pointer;
}
}
if (unchanged) {
- _mesa_printf("glUnmapBufferARB(%u): %u of %ld unchanged, starting at %d\n",
+ printf("glUnmapBufferARB(%u): %u of %ld unchanged, starting at %d\n",
bufObj->Name, unchanged, bufObj->Size, pos);
}
}
bufObj = get_buffer(ctx, target);
if (!bufObj) {
- _mesa_error(ctx, GL_INVALID_ENUM, "GetBufferParameterivARB(target)" );
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetBufferParameterivARB(target)" );
return;
}
if (!_mesa_is_bufferobj(bufObj)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "GetBufferParameterivARB" );
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetBufferParameterivARB" );
return;
}
switch (pname) {
- case GL_BUFFER_SIZE_ARB:
- *params = (GLint) bufObj->Size;
- break;
- case GL_BUFFER_USAGE_ARB:
- *params = bufObj->Usage;
- break;
- case GL_BUFFER_ACCESS_ARB:
- *params = simplified_access_mode(bufObj->AccessFlags);
- break;
- case GL_BUFFER_MAPPED_ARB:
- *params = _mesa_bufferobj_mapped(bufObj);
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetBufferParameterivARB(pname)");
- return;
+ case GL_BUFFER_SIZE_ARB:
+ *params = (GLint) bufObj->Size;
+ return;
+ case GL_BUFFER_USAGE_ARB:
+ *params = bufObj->Usage;
+ return;
+ case GL_BUFFER_ACCESS_ARB:
+ *params = simplified_access_mode(bufObj->AccessFlags);
+ return;
+ case GL_BUFFER_MAPPED_ARB:
+ *params = _mesa_bufferobj_mapped(bufObj);
+ return;
+ case GL_BUFFER_ACCESS_FLAGS:
+ if (ctx->VersionMajor < 3)
+ goto invalid_pname;
+ *params = bufObj->AccessFlags;
+ return;
+ case GL_BUFFER_MAP_OFFSET:
+ if (ctx->VersionMajor < 3)
+ goto invalid_pname;
+ *params = (GLint) bufObj->Offset;
+ return;
+ case GL_BUFFER_MAP_LENGTH:
+ if (ctx->VersionMajor < 3)
+ goto invalid_pname;
+ *params = (GLint) bufObj->Length;
+ return;
+ default:
+ ; /* fall-through */
}
+
+invalid_pname:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetBufferParameterivARB(pname=%s)",
+ _mesa_lookup_enum_by_nr(pname));
+}
+
+
+/**
+ * New in GL 3.2
+ * This is pretty much a duplicate of GetBufferParameteriv() but the
+ * GL_BUFFER_SIZE_ARB attribute will be 64-bits on a 64-bit system.
+ */
+void GLAPIENTRY
+_mesa_GetBufferParameteri64v(GLenum target, GLenum pname, GLint64 *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ bufObj = get_buffer(ctx, target);
+ if (!bufObj) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetBufferParameteri64v(target)" );
+ return;
+ }
+ if (!_mesa_is_bufferobj(bufObj)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetBufferParameteri64v" );
+ return;
+ }
+
+ switch (pname) {
+ case GL_BUFFER_SIZE_ARB:
+ *params = bufObj->Size;
+ return;
+ case GL_BUFFER_USAGE_ARB:
+ *params = bufObj->Usage;
+ return;
+ case GL_BUFFER_ACCESS_ARB:
+ *params = simplified_access_mode(bufObj->AccessFlags);
+ return;
+ case GL_BUFFER_ACCESS_FLAGS:
+ if (ctx->VersionMajor < 3)
+ goto invalid_pname;
+ *params = bufObj->AccessFlags;
+ return;
+ case GL_BUFFER_MAPPED_ARB:
+ *params = _mesa_bufferobj_mapped(bufObj);
+ return;
+ case GL_BUFFER_MAP_OFFSET:
+ if (ctx->VersionMajor < 3)
+ goto invalid_pname;
+ *params = bufObj->Offset;
+ return;
+ case GL_BUFFER_MAP_LENGTH:
+ if (ctx->VersionMajor < 3)
+ goto invalid_pname;
+ *params = bufObj->Length;
+ return;
+ default:
+ ; /* fall-through */
+ }
+
+invalid_pname:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetBufferParameteri64v(pname=%s)",
+ _mesa_lookup_enum_by_nr(pname));
}
if (ctx->Driver.FlushMappedBufferRange)
ctx->Driver.FlushMappedBufferRange(ctx, target, offset, length, bufObj);
}
+
+
+#if FEATURE_APPLE_object_purgeable
+static GLenum
+_mesa_BufferObjectPurgeable(GLcontext *ctx, GLuint name, GLenum option)
+{
+ struct gl_buffer_object *bufObj;
+ GLenum retval;
+
+ bufObj = _mesa_lookup_bufferobj(ctx, name);
+ if (!bufObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glObjectPurgeable(name = 0x%x)", name);
+ return 0;
+ }
+ if (!_mesa_is_bufferobj(bufObj)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glObjectPurgeable(buffer 0)" );
+ return 0;
+ }
+
+ if (bufObj->Purgeable) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glObjectPurgeable(name = 0x%x) is already purgeable", name);
+ return GL_VOLATILE_APPLE;
+ }
+
+ bufObj->Purgeable = GL_TRUE;
+
+ retval = GL_VOLATILE_APPLE;
+ if (ctx->Driver.BufferObjectPurgeable)
+ retval = ctx->Driver.BufferObjectPurgeable(ctx, bufObj, option);
+
+ return retval;
+}
+
+
+static GLenum
+_mesa_RenderObjectPurgeable(GLcontext *ctx, GLuint name, GLenum option)
+{
+ struct gl_renderbuffer *bufObj;
+ GLenum retval;
+
+ bufObj = _mesa_lookup_renderbuffer(ctx, name);
+ if (!bufObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glObjectUnpurgeable(name = 0x%x)", name);
+ return 0;
+ }
+
+ if (bufObj->Purgeable) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glObjectPurgeable(name = 0x%x) is already purgeable", name);
+ return GL_VOLATILE_APPLE;
+ }
+
+ bufObj->Purgeable = GL_TRUE;
+
+ retval = GL_VOLATILE_APPLE;
+ if (ctx->Driver.RenderObjectPurgeable)
+ retval = ctx->Driver.RenderObjectPurgeable(ctx, bufObj, option);
+
+ return retval;
+}
+
+
+static GLenum
+_mesa_TextureObjectPurgeable(GLcontext *ctx, GLuint name, GLenum option)
+{
+ struct gl_texture_object *bufObj;
+ GLenum retval;
+
+ bufObj = _mesa_lookup_texture(ctx, name);
+ if (!bufObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glObjectPurgeable(name = 0x%x)", name);
+ return 0;
+ }
+
+ if (bufObj->Purgeable) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glObjectPurgeable(name = 0x%x) is already purgeable", name);
+ return GL_VOLATILE_APPLE;
+ }
+
+ bufObj->Purgeable = GL_TRUE;
+
+ retval = GL_VOLATILE_APPLE;
+ if (ctx->Driver.TextureObjectPurgeable)
+ retval = ctx->Driver.TextureObjectPurgeable(ctx, bufObj, option);
+
+ return retval;
+}
+
+
+GLenum GLAPIENTRY
+_mesa_ObjectPurgeableAPPLE(GLenum objectType, GLuint name, GLenum option)
+{
+ GLenum retval;
+
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0);
+
+ if (name == 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glObjectPurgeable(name = 0x%x)", name);
+ return 0;
+ }
+
+ switch (option) {
+ case GL_VOLATILE_APPLE:
+ case GL_RELEASED_APPLE:
+ /* legal */
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glObjectPurgeable(name = 0x%x) invalid option: %d",
+ name, option);
+ return 0;
+ }
+
+ switch (objectType) {
+ case GL_TEXTURE:
+ retval = _mesa_TextureObjectPurgeable (ctx, name, option);
+ break;
+ case GL_RENDERBUFFER_EXT:
+ retval = _mesa_RenderObjectPurgeable (ctx, name, option);
+ break;
+ case GL_BUFFER_OBJECT_APPLE:
+ retval = _mesa_BufferObjectPurgeable (ctx, name, option);
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glObjectPurgeable(name = 0x%x) invalid type: %d",
+ name, objectType);
+ return 0;
+ }
+
+ /* In strict conformance to the spec, we must only return VOLATILE when
+ * when passed the VOLATILE option. Madness.
+ *
+ * XXX First fix the spec, then fix me.
+ */
+ return option == GL_VOLATILE_APPLE ? GL_VOLATILE_APPLE : retval;
+}
+
+
+static GLenum
+_mesa_BufferObjectUnpurgeable(GLcontext *ctx, GLuint name, GLenum option)
+{
+ struct gl_buffer_object *bufObj;
+ GLenum retval;
+
+ bufObj = _mesa_lookup_bufferobj(ctx, name);
+ if (!bufObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glObjectUnpurgeable(name = 0x%x)", name);
+ return 0;
+ }
+
+ if (! bufObj->Purgeable) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glObjectUnpurgeable(name = 0x%x) object is "
+ " already \"unpurged\"", name);
+ return 0;
+ }
+
+ bufObj->Purgeable = GL_FALSE;
+
+ retval = GL_RETAINED_APPLE;
+ if (ctx->Driver.BufferObjectUnpurgeable)
+ retval = ctx->Driver.BufferObjectUnpurgeable(ctx, bufObj, option);
+
+ return retval;
+}
+
+
+static GLenum
+_mesa_RenderObjectUnpurgeable(GLcontext *ctx, GLuint name, GLenum option)
+{
+ struct gl_renderbuffer *bufObj;
+ GLenum retval;
+
+ bufObj = _mesa_lookup_renderbuffer(ctx, name);
+ if (!bufObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glObjectUnpurgeable(name = 0x%x)", name);
+ return 0;
+ }
+
+ if (! bufObj->Purgeable) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glObjectUnpurgeable(name = 0x%x) object is "
+ " already \"unpurged\"", name);
+ return 0;
+ }
+
+ bufObj->Purgeable = GL_FALSE;
+
+ retval = GL_RETAINED_APPLE;
+ if (ctx->Driver.RenderObjectUnpurgeable)
+ retval = ctx->Driver.RenderObjectUnpurgeable(ctx, bufObj, option);
+
+ return option;
+}
+
+
+static GLenum
+_mesa_TextureObjectUnpurgeable(GLcontext *ctx, GLuint name, GLenum option)
+{
+ struct gl_texture_object *bufObj;
+ GLenum retval;
+
+ bufObj = _mesa_lookup_texture(ctx, name);
+ if (!bufObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glObjectUnpurgeable(name = 0x%x)", name);
+ return 0;
+ }
+
+ if (! bufObj->Purgeable) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glObjectUnpurgeable(name = 0x%x) object is"
+ " already \"unpurged\"", name);
+ return 0;
+ }
+
+ bufObj->Purgeable = GL_FALSE;
+
+ retval = GL_RETAINED_APPLE;
+ if (ctx->Driver.TextureObjectUnpurgeable)
+ retval = ctx->Driver.TextureObjectUnpurgeable(ctx, bufObj, option);
+
+ return retval;
+}
+
+
+GLenum GLAPIENTRY
+_mesa_ObjectUnpurgeableAPPLE(GLenum objectType, GLuint name, GLenum option)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0);
+
+ if (name == 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glObjectUnpurgeable(name = 0x%x)", name);
+ return 0;
+ }
+
+ switch (option) {
+ case GL_RETAINED_APPLE:
+ case GL_UNDEFINED_APPLE:
+ /* legal */
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glObjectUnpurgeable(name = 0x%x) invalid option: %d",
+ name, option);
+ return 0;
+ }
+
+ switch (objectType) {
+ case GL_BUFFER_OBJECT_APPLE:
+ return _mesa_BufferObjectUnpurgeable(ctx, name, option);
+ case GL_TEXTURE:
+ return _mesa_TextureObjectUnpurgeable(ctx, name, option);
+ case GL_RENDERBUFFER_EXT:
+ return _mesa_RenderObjectUnpurgeable(ctx, name, option);
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glObjectUnpurgeable(name = 0x%x) invalid type: %d",
+ name, objectType);
+ return 0;
+ }
+}
+
+
+static void
+_mesa_GetBufferObjectParameterivAPPLE(GLcontext *ctx, GLuint name,
+ GLenum pname, GLint* params)
+{
+ struct gl_buffer_object *bufObj;
+
+ bufObj = _mesa_lookup_bufferobj(ctx, name);
+ if (!bufObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glGetObjectParameteriv(name = 0x%x) invalid object", name);
+ return;
+ }
+
+ switch (pname) {
+ case GL_PURGEABLE_APPLE:
+ *params = bufObj->Purgeable;
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetObjectParameteriv(name = 0x%x) invalid enum: %d",
+ name, pname);
+ break;
+ }
+}
+
+
+static void
+_mesa_GetRenderObjectParameterivAPPLE(GLcontext *ctx, GLuint name,
+ GLenum pname, GLint* params)
+{
+ struct gl_renderbuffer *bufObj;
+
+ bufObj = _mesa_lookup_renderbuffer(ctx, name);
+ if (!bufObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glObjectUnpurgeable(name = 0x%x)", name);
+ return;
+ }
+
+ switch (pname) {
+ case GL_PURGEABLE_APPLE:
+ *params = bufObj->Purgeable;
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetObjectParameteriv(name = 0x%x) invalid enum: %d",
+ name, pname);
+ break;
+ }
+}
+
+
+static void
+_mesa_GetTextureObjectParameterivAPPLE(GLcontext *ctx, GLuint name,
+ GLenum pname, GLint* params)
+{
+ struct gl_texture_object *bufObj;
+
+ bufObj = _mesa_lookup_texture(ctx, name);
+ if (!bufObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glObjectUnpurgeable(name = 0x%x)", name);
+ return;
+ }
+
+ switch (pname) {
+ case GL_PURGEABLE_APPLE:
+ *params = bufObj->Purgeable;
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetObjectParameteriv(name = 0x%x) invalid enum: %d",
+ name, pname);
+ break;
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_GetObjectParameterivAPPLE(GLenum objectType, GLuint name, GLenum pname,
+ GLint* params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (name == 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glGetObjectParameteriv(name = 0x%x)", name);
+ return;
+ }
+
+ switch (objectType) {
+ case GL_TEXTURE:
+ _mesa_GetTextureObjectParameterivAPPLE (ctx, name, pname, params);
+ break;
+ case GL_BUFFER_OBJECT_APPLE:
+ _mesa_GetBufferObjectParameterivAPPLE (ctx, name, pname, params);
+ break;
+ case GL_RENDERBUFFER_EXT:
+ _mesa_GetRenderObjectParameterivAPPLE (ctx, name, pname, params);
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetObjectParameteriv(name = 0x%x) invalid type: %d",
+ name, objectType);
+ }
+}
+
+#endif /* FEATURE_APPLE_object_purgeable */