Mesa (master): u_blitter: decrease minimum buffer range alignment to 4 for copy_buffer
Marek Olšák
mareko at kemper.freedesktop.org
Fri Feb 24 01:31:23 UTC 2012
Module: Mesa
Branch: master
Commit: a0a9e56cfed1ab81c1068cffbfd9299f77c7e187
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=a0a9e56cfed1ab81c1068cffbfd9299f77c7e187
Author: Marek Olšák <maraeo at gmail.com>
Date: Fri Feb 24 02:25:25 2012 +0100
u_blitter: decrease minimum buffer range alignment to 4 for copy_buffer
---
src/gallium/auxiliary/util/u_blitter.c | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/src/gallium/auxiliary/util/u_blitter.c b/src/gallium/auxiliary/util/u_blitter.c
index be420ec..48808ae 100644
--- a/src/gallium/auxiliary/util/u_blitter.c
+++ b/src/gallium/auxiliary/util/u_blitter.c
@@ -241,7 +241,7 @@ struct blitter_context *util_blitter_create(struct pipe_context *pipe)
}
if (ctx->has_stream_out) {
- velem[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+ velem[0].src_format = PIPE_FORMAT_R32_UINT;
ctx->velem_state_readbuf = pipe->create_vertex_elements_state(pipe, 1, &velem[0]);
}
@@ -263,8 +263,8 @@ struct blitter_context *util_blitter_create(struct pipe_context *pipe)
memset(&so, 0, sizeof(so));
so.num_outputs = 1;
- so.output[0].num_components = 4;
- so.stride[0] = 4;
+ so.output[0].num_components = 1;
+ so.stride[0] = 1;
ctx->vs_pos_only =
util_make_vertex_passthrough_shader_with_so(pipe, 1, semantic_names,
@@ -1263,7 +1263,7 @@ void util_blitter_copy_buffer(struct blitter_context *blitter,
assert(ctx->has_stream_out);
/* Some alignment is required. */
- if (srcx % 4 != 0 || dstx % 4 != 0 || size % 16 != 0 ||
+ if (srcx % 4 != 0 || dstx % 4 != 0 || size % 4 != 0 ||
!ctx->has_stream_out) {
struct pipe_box box;
u_box_1d(srcx, size, &box);
@@ -1288,7 +1288,7 @@ void util_blitter_copy_buffer(struct blitter_context *blitter,
so_target = pipe->create_stream_output_target(pipe, dst, dstx, size);
pipe->set_stream_output_targets(pipe, 1, &so_target, 0);
- util_draw_arrays(pipe, PIPE_PRIM_POINTS, 0, size / 16);
+ util_draw_arrays(pipe, PIPE_PRIM_POINTS, 0, size / 4);
blitter_restore_vertex_states(ctx);
blitter_unset_running_flag(ctx);
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