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-rw-r--r--src/mesa/main/bufferobj.c165
1 files changed, 86 insertions, 79 deletions
diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c
index 134f2b51062..d6cc78e18d5 100644
--- a/src/mesa/main/bufferobj.c
+++ b/src/mesa/main/bufferobj.c
@@ -466,6 +466,20 @@ _mesa_validate_pbo_access(GLuint dimensions,
}
+/**
+ * Return the gl_buffer_object for the given ID.
+ * Always return NULL for ID 0.
+ */
+static INLINE struct gl_buffer_object *
+lookup_bufferobj(GLcontext *ctx, GLuint buffer)
+{
+ if (buffer == 0)
+ return NULL;
+ else
+ return (struct gl_buffer_object *)
+ _mesa_HashLookup(ctx->Shared->BufferObjects, buffer);
+}
+
/**********************************************************************/
@@ -495,8 +509,7 @@ _mesa_BindBufferARB(GLenum target, GLuint buffer)
}
else {
/* non-default buffer object */
- const struct _mesa_HashTable *hash = ctx->Shared->BufferObjects;
- newBufObj = (struct gl_buffer_object *) _mesa_HashLookup(hash, buffer);
+ newBufObj = lookup_bufferobj(ctx, buffer);
if (!newBufObj) {
/* if this is a new buffer object id, allocate a buffer object now */
ASSERT(ctx->Driver.NewBufferObject);
@@ -565,89 +578,86 @@ _mesa_DeleteBuffersARB(GLsizei n, const GLuint *ids)
_glthread_LOCK_MUTEX(ctx->Shared->Mutex);
for (i = 0; i < n; i++) {
- if (ids[i] != 0) {
- struct gl_buffer_object *bufObj = (struct gl_buffer_object *)
- _mesa_HashLookup(ctx->Shared->BufferObjects, ids[i]);
- if (bufObj) {
- /* unbind any vertex pointers bound to this buffer */
- GLuint j;
+ struct gl_buffer_object *bufObj = lookup_bufferobj(ctx, ids[i]);
+ if (bufObj) {
+ /* unbind any vertex pointers bound to this buffer */
+ GLuint j;
- ASSERT(bufObj->Name == ids[i]);
+ ASSERT(bufObj->Name == ids[i]);
- if (ctx->Array.Vertex.BufferObj == bufObj) {
- bufObj->RefCount--;
- ctx->Array.Vertex.BufferObj = ctx->Array.NullBufferObj;
- ctx->Array.NullBufferObj->RefCount++;
- }
- if (ctx->Array.Normal.BufferObj == bufObj) {
- bufObj->RefCount--;
- ctx->Array.Normal.BufferObj = ctx->Array.NullBufferObj;
- ctx->Array.NullBufferObj->RefCount++;
- }
- if (ctx->Array.Color.BufferObj == bufObj) {
- bufObj->RefCount--;
- ctx->Array.Color.BufferObj = ctx->Array.NullBufferObj;
- ctx->Array.NullBufferObj->RefCount++;
- }
- if (ctx->Array.SecondaryColor.BufferObj == bufObj) {
- bufObj->RefCount--;
- ctx->Array.SecondaryColor.BufferObj = ctx->Array.NullBufferObj;
- ctx->Array.NullBufferObj->RefCount++;
- }
- if (ctx->Array.FogCoord.BufferObj == bufObj) {
- bufObj->RefCount--;
- ctx->Array.FogCoord.BufferObj = ctx->Array.NullBufferObj;
- ctx->Array.NullBufferObj->RefCount++;
- }
- if (ctx->Array.Index.BufferObj == bufObj) {
+ if (ctx->Array.Vertex.BufferObj == bufObj) {
+ bufObj->RefCount--;
+ ctx->Array.Vertex.BufferObj = ctx->Array.NullBufferObj;
+ ctx->Array.NullBufferObj->RefCount++;
+ }
+ if (ctx->Array.Normal.BufferObj == bufObj) {
+ bufObj->RefCount--;
+ ctx->Array.Normal.BufferObj = ctx->Array.NullBufferObj;
+ ctx->Array.NullBufferObj->RefCount++;
+ }
+ if (ctx->Array.Color.BufferObj == bufObj) {
+ bufObj->RefCount--;
+ ctx->Array.Color.BufferObj = ctx->Array.NullBufferObj;
+ ctx->Array.NullBufferObj->RefCount++;
+ }
+ if (ctx->Array.SecondaryColor.BufferObj == bufObj) {
+ bufObj->RefCount--;
+ ctx->Array.SecondaryColor.BufferObj = ctx->Array.NullBufferObj;
+ ctx->Array.NullBufferObj->RefCount++;
+ }
+ if (ctx->Array.FogCoord.BufferObj == bufObj) {
+ bufObj->RefCount--;
+ ctx->Array.FogCoord.BufferObj = ctx->Array.NullBufferObj;
+ ctx->Array.NullBufferObj->RefCount++;
+ }
+ if (ctx->Array.Index.BufferObj == bufObj) {
+ bufObj->RefCount--;
+ ctx->Array.Index.BufferObj = ctx->Array.NullBufferObj;
+ ctx->Array.NullBufferObj->RefCount++;
+ }
+ if (ctx->Array.EdgeFlag.BufferObj == bufObj) {
+ bufObj->RefCount--;
+ ctx->Array.EdgeFlag.BufferObj = ctx->Array.NullBufferObj;
+ ctx->Array.NullBufferObj->RefCount++;
+ }
+ for (j = 0; j < MAX_TEXTURE_UNITS; j++) {
+ if (ctx->Array.TexCoord[j].BufferObj == bufObj) {
bufObj->RefCount--;
- ctx->Array.Index.BufferObj = ctx->Array.NullBufferObj;
+ ctx->Array.TexCoord[j].BufferObj = ctx->Array.NullBufferObj;
ctx->Array.NullBufferObj->RefCount++;
}
- if (ctx->Array.EdgeFlag.BufferObj == bufObj) {
+ }
+ for (j = 0; j < VERT_ATTRIB_MAX; j++) {
+ if (ctx->Array.VertexAttrib[j].BufferObj == bufObj) {
bufObj->RefCount--;
- ctx->Array.EdgeFlag.BufferObj = ctx->Array.NullBufferObj;
+ ctx->Array.VertexAttrib[j].BufferObj = ctx->Array.NullBufferObj;
ctx->Array.NullBufferObj->RefCount++;
}
- for (j = 0; j < MAX_TEXTURE_UNITS; j++) {
- if (ctx->Array.TexCoord[j].BufferObj == bufObj) {
- bufObj->RefCount--;
- ctx->Array.TexCoord[j].BufferObj = ctx->Array.NullBufferObj;
- ctx->Array.NullBufferObj->RefCount++;
- }
- }
- for (j = 0; j < VERT_ATTRIB_MAX; j++) {
- if (ctx->Array.VertexAttrib[j].BufferObj == bufObj) {
- bufObj->RefCount--;
- ctx->Array.VertexAttrib[j].BufferObj = ctx->Array.NullBufferObj;
- ctx->Array.NullBufferObj->RefCount++;
- }
- }
+ }
- if (ctx->Array.ArrayBufferObj == bufObj) {
- _mesa_BindBufferARB( GL_ARRAY_BUFFER_ARB, 0 );
- }
- if (ctx->Array.ElementArrayBufferObj == bufObj) {
- _mesa_BindBufferARB( GL_ELEMENT_ARRAY_BUFFER_ARB, 0 );
- }
+ if (ctx->Array.ArrayBufferObj == bufObj) {
+ _mesa_BindBufferARB( GL_ARRAY_BUFFER_ARB, 0 );
+ }
+ if (ctx->Array.ElementArrayBufferObj == bufObj) {
+ _mesa_BindBufferARB( GL_ELEMENT_ARRAY_BUFFER_ARB, 0 );
+ }
- if (ctx->Pack.BufferObj == bufObj) {
- _mesa_BindBufferARB( GL_PIXEL_PACK_BUFFER_EXT, 0 );
- }
- if (ctx->Unpack.BufferObj == bufObj) {
- _mesa_BindBufferARB( GL_PIXEL_UNPACK_BUFFER_EXT, 0 );
- }
+ if (ctx->Pack.BufferObj == bufObj) {
+ _mesa_BindBufferARB( GL_PIXEL_PACK_BUFFER_EXT, 0 );
+ }
+ if (ctx->Unpack.BufferObj == bufObj) {
+ _mesa_BindBufferARB( GL_PIXEL_UNPACK_BUFFER_EXT, 0 );
+ }
- /* The ID is immediately freed for re-use */
- _mesa_remove_buffer_object(ctx, bufObj);
- bufObj->RefCount--;
- if (bufObj->RefCount <= 0) {
- ASSERT(ctx->Array.ArrayBufferObj != bufObj);
- ASSERT(ctx->Array.ElementArrayBufferObj != bufObj);
- ASSERT(ctx->Array.Vertex.BufferObj != bufObj);
- ASSERT(ctx->Driver.DeleteBuffer);
- ctx->Driver.DeleteBuffer(ctx, bufObj);
- }
+ /* The ID is immediately freed for re-use */
+ _mesa_remove_buffer_object(ctx, bufObj);
+ bufObj->RefCount--;
+ if (bufObj->RefCount <= 0) {
+ ASSERT(ctx->Array.ArrayBufferObj != bufObj);
+ ASSERT(ctx->Array.ElementArrayBufferObj != bufObj);
+ ASSERT(ctx->Array.Vertex.BufferObj != bufObj);
+ ASSERT(ctx->Driver.DeleteBuffer);
+ ctx->Driver.DeleteBuffer(ctx, bufObj);
}
}
}
@@ -715,15 +725,12 @@ _mesa_GenBuffersARB(GLsizei n, GLuint *buffer)
GLboolean GLAPIENTRY
_mesa_IsBufferARB(GLuint id)
{
- struct gl_buffer_object * bufObj;
+ struct gl_buffer_object *bufObj;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
- if (id == 0)
- return GL_FALSE;
-
_glthread_LOCK_MUTEX(ctx->Shared->Mutex);
- bufObj = (struct gl_buffer_object *) _mesa_HashLookup(ctx->Shared->BufferObjects, id);
+ bufObj = lookup_bufferobj(ctx, id);
_glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
return bufObj ? GL_TRUE : GL_FALSE;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 11:24:40 +0000