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mesa: rework bind_buffer_object()

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This allows internal users to pass buffer objects directly and
allows for KHR_no_error support to be more easily added.

Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Timothy Arceri 2017-04-04 15:40:06 +10:00
parent d1c1544a49
commit 8feb5bb402
1 changed files with 16 additions and 18 deletions
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34
src/mesa/main/bufferobj.c
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@ -1013,18 +1013,13 @@ _mesa_handle_bind_buffer_gen(struct gl_context *ctx,
* Called by glBindBuffer() and other functions.
*/
static void
bind_buffer_object(struct gl_context *ctx, GLenum target, GLuint buffer)
bind_buffer_object(struct gl_context *ctx,
struct gl_buffer_object **bindTarget, GLuint buffer)
{
struct gl_buffer_object *oldBufObj;
struct gl_buffer_object *newBufObj = NULL;
struct gl_buffer_object **bindTarget = NULL;
bindTarget = get_buffer_target(ctx, target);
if (!bindTarget) {
_mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferARB(target %s)",
_mesa_enum_to_string(target));
return;
}
assert(bindTarget);
/* Get pointer to old buffer object (to be unbound) */
oldBufObj = *bindTarget;
@ -1049,12 +1044,8 @@ bind_buffer_object(struct gl_context *ctx, GLenum target, GLuint buffer)
}
/* record usage history */
switch (target) {
case GL_PIXEL_PACK_BUFFER:
if (bindTarget == &ctx->Pack.BufferObj) {
newBufObj->UsageHistory |= USAGE_PIXEL_PACK_BUFFER;
break;
default:
break;
}
/* bind new buffer */
@ -1073,10 +1064,10 @@ _mesa_update_default_objects_buffer_objects(struct gl_context *ctx)
/* Bind the NullBufferObj to remove references to those
* in the shared context hash table.
*/
bind_buffer_object( ctx, GL_ARRAY_BUFFER_ARB, 0);
bind_buffer_object( ctx, GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
bind_buffer_object( ctx, GL_PIXEL_PACK_BUFFER_ARB, 0);
bind_buffer_object( ctx, GL_PIXEL_UNPACK_BUFFER_ARB, 0);
bind_buffer_object(ctx, &ctx->Array.ArrayBufferObj, 0);
bind_buffer_object(ctx, &ctx->Array.VAO->IndexBufferObj, 0);
bind_buffer_object(ctx, &ctx->Pack.BufferObj, 0);
bind_buffer_object(ctx, &ctx->Unpack.BufferObj, 0);
}
@ -1268,7 +1259,14 @@ _mesa_BindBuffer(GLenum target, GLuint buffer)
_mesa_enum_to_string(target), buffer);
}
bind_buffer_object(ctx, target, buffer);
struct gl_buffer_object **bindTarget = get_buffer_target(ctx, target);
if (!bindTarget) {
_mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferARB(target %s)",
_mesa_enum_to_string(target));
return;
}
bind_buffer_object(ctx, bindTarget, buffer);
}