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mesa: Move glBindBufferBase and glBindBufferRange() to bufferobj.

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The rest of the TFB implementation remains in transformfeedback.c, and
this will be shared with UBOs.

v2: Move the size/offset checks shared with UBOs to common code as
    well. (Kenneth's review)

Reviewed-by: Brian Paul <brianp@vmware.com> (v1)
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Eric Anholt
2012-06-14 16:55:56 -07:00
parent 9627660448
commit b82c472156
4 changed files with 103 additions and 59 deletions
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74
src/mesa/main/bufferobj.c
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@@ -1994,6 +1994,78 @@ _mesa_GetObjectParameterivAPPLE(GLenum objectType, GLuint name, GLenum pname,
#endif /* FEATURE_APPLE_object_purgeable */
void GLAPIENTRY
_mesa_BindBufferRange(GLenum target, GLuint index,
GLuint buffer, GLintptr offset, GLsizeiptr size)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
if (buffer == 0) {
bufObj = ctx->Shared->NullBufferObj;
} else {
bufObj = _mesa_lookup_bufferobj(ctx, buffer);
}
if (!bufObj) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glBindBufferRange(invalid buffer=%u)", buffer);
return;
}
if (size <= 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "glBindBufferRange(size=%d)",
(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) {
case GL_TRANSFORM_FEEDBACK_BUFFER:
_mesa_bind_buffer_range_transform_feedback(ctx, index, bufObj,
offset, size);
return;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferRange(target)");
return;
}
}
void GLAPIENTRY
_mesa_BindBufferBase(GLenum target, GLuint index, GLuint buffer)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
if (buffer == 0) {
bufObj = ctx->Shared->NullBufferObj;
} else {
bufObj = _mesa_lookup_bufferobj(ctx, buffer);
}
if (!bufObj) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glBindBufferBase(invalid buffer=%u)", buffer);
return;
}
switch (target) {
case GL_TRANSFORM_FEEDBACK_BUFFER:
_mesa_bind_buffer_base_transform_feedback(ctx, index, bufObj);
return;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glBindBufferBase(target)");
return;
}
}
void
_mesa_init_bufferobj_dispatch(struct _glapi_table *disp)
{
@@ -2008,4 +2080,6 @@ _mesa_init_bufferobj_dispatch(struct _glapi_table *disp)
SET_IsBufferARB(disp, _mesa_IsBufferARB);
SET_MapBufferARB(disp, _mesa_MapBufferARB);
SET_UnmapBufferARB(disp, _mesa_UnmapBufferARB);
SET_BindBufferRangeEXT(disp, _mesa_BindBufferRange);
SET_BindBufferBaseEXT(disp, _mesa_BindBufferBase);
}