Mesa (master): i965: Stop worrying about alignment of vertex data.
Eric Anholt
anholt at kemper.freedesktop.org
Fri Jan 25 18:25:35 UTC 2013
Module: Mesa
Branch: master
Commit: 5ae3c207918e10282f53402ae276b31b2235c2dc
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=5ae3c207918e10282f53402ae276b31b2235c2dc
Author: Eric Anholt <eric at anholt.net>
Date: Tue Jan 22 17:27:14 2013 -0800
i965: Stop worrying about alignment of vertex data.
For our current types, the required alignment is actually just 1 byte.
When we get doubles, we have to worry (those have to be aligned to the
natural size), but we don't have doubles yet and they'll just be a
special case.
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
---
src/mesa/drivers/dri/i965/brw_draw_upload.c | 8 +-------
1 files changed, 1 insertions(+), 7 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_draw_upload.c b/src/mesa/drivers/dri/i965/brw_draw_upload.c
index 06a5886..31282dd 100644
--- a/src/mesa/drivers/dri/i965/brw_draw_upload.c
+++ b/src/mesa/drivers/dri/i965/brw_draw_upload.c
@@ -462,7 +462,6 @@ static void brw_prepare_vertices(struct brw_context *brw)
for (i = j = 0; i < brw->vb.nr_enabled; i++) {
struct brw_vertex_element *input = brw->vb.enabled[i];
const struct gl_client_array *glarray = input->glarray;
- int type_size = get_size(glarray->Type);
if (_mesa_is_bufferobj(glarray->BufferObj)) {
struct intel_buffer_object *intel_buffer =
@@ -490,7 +489,7 @@ static void brw_prepare_vertices(struct brw_context *brw)
/* Named buffer object: Just reference its contents directly. */
buffer->bo = intel_bufferobj_source(intel,
- intel_buffer, type_size,
+ intel_buffer, 1,
&buffer->offset);
drm_intel_bo_reference(buffer->bo);
buffer->offset += (uintptr_t)glarray->Ptr;
@@ -527,11 +526,6 @@ static void brw_prepare_vertices(struct brw_context *brw)
{
interleaved = 0;
}
- else if ((uintptr_t)(glarray->Ptr - ptr) & (type_size -1))
- {
- /* enforce natural alignment (for doubles) */
- interleaved = 0;
- }
upload[nr_uploads++] = input;
}
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