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i965: Use _MaxElement instead of index-calculated min/max for VBO bounds.

This commit is contained in:
Eric Anholt 2009-08-11 12:59:09 -07:00
parent 29173d3d5c
commit e643bc5fc7
1 changed files with 3 additions and 2 deletions
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5
src/mesa/drivers/dri/i965/brw_draw_upload.c
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@ -383,7 +383,6 @@ static void brw_prepare_vertices(struct brw_context *brw)
struct brw_vertex_element *input = brw->vb.enabled[i];
input->element_size = get_size(input->glarray->Type) * input->glarray->Size;
input->count = input->glarray->StrideB ? max_index + 1 - min_index : 1;
if (input->glarray->BufferObj->Name != 0) {
struct intel_buffer_object *intel_buffer =
@ -396,6 +395,7 @@ static void brw_prepare_vertices(struct brw_context *brw)
dri_bo_reference(input->bo);
input->offset = (unsigned long)input->glarray->Ptr;
input->stride = input->glarray->StrideB;
input->count = input->glarray->_MaxElement;
/* This is a common place to reach if the user mistakenly supplies
* a pointer in place of a VBO offset. If we just let it go through,
@ -411,6 +411,7 @@ static void brw_prepare_vertices(struct brw_context *brw)
*/
assert(input->offset < input->bo->size);
} else {
input->count = input->glarray->StrideB ? max_index + 1 - min_index : 1;
if (input->bo != NULL) {
/* Already-uploaded vertex data is present from a previous
* prepare_vertices, but we had to re-validate state due to
@ -546,7 +547,7 @@ static void brw_emit_vertices(struct brw_context *brw)
input->offset + input->element_size);
}
} else
OUT_BATCH(brw->vb.max_index);
OUT_BATCH(input->count);
OUT_BATCH(0); /* Instance data step rate */
}
ADVANCE_BATCH();