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u_blitter: decrease minimum buffer range alignment to 4 for copy_buffer

This commit is contained in:
Marek Olšák 2012-02-24 02:25:25 +01:00
parent 59fbd8c6be
commit a0a9e56cfe
1 changed files with 5 additions and 5 deletions
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10
src/gallium/auxiliary/util/u_blitter.c
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@ -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);