From a0a9e56cfed1ab81c1068cffbfd9299f77c7e187 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Fri, 24 Feb 2012 02:25:25 +0100 Subject: [PATCH] u_blitter: decrease minimum buffer range alignment to 4 for copy_buffer --- src/gallium/auxiliary/util/u_blitter.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/src/gallium/auxiliary/util/u_blitter.c b/src/gallium/auxiliary/util/u_blitter.c index be420ec1556..48808ae084d 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); -- 2.30.2