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gallium/u_blitter: add support for multi-dword clear values in clear_buffer

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Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2015-11-06 23:41:15 +01:00
parent e15c5c7a06
commit 19a9c1ecc7
1 changed files with 14 additions and 11 deletions
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25
src/gallium/auxiliary/util/u_blitter.c
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@ -70,7 +70,7 @@ struct blitter_context_priv
/* Constant state objects. */
/* Vertex shaders. */
void *vs; /**< Vertex shader which passes {pos, generic} to the output.*/
void *vs_pos_only; /**< Vertex shader which passes pos to the output.*/
void *vs_pos_only[4]; /**< Vertex shader which passes pos to the output.*/
void *vs_layered; /**< Vertex shader which sets LAYER = INSTANCEID. */
/* Fragment shaders. */
@ -325,27 +325,29 @@ struct blitter_context *util_blitter_create(struct pipe_context *pipe)
return &ctx->base;
}
static void bind_vs_pos_only(struct blitter_context_priv *ctx)
static void bind_vs_pos_only(struct blitter_context_priv *ctx,
unsigned num_so_channels)
{
struct pipe_context *pipe = ctx->base.pipe;
int index = num_so_channels ? num_so_channels - 1 : 0;
if (!ctx->vs_pos_only) {
if (!ctx->vs_pos_only[index]) {
struct pipe_stream_output_info so;
const uint semantic_names[] = { TGSI_SEMANTIC_POSITION };
const uint semantic_indices[] = { 0 };
memset(&so, 0, sizeof(so));
so.num_outputs = 1;
so.output[0].num_components = 1;
so.stride[0] = 1;
so.output[0].num_components = num_so_channels;
so.stride[0] = num_so_channels;
ctx->vs_pos_only =
ctx->vs_pos_only[index] =
util_make_vertex_passthrough_shader_with_so(pipe, 1, semantic_names,
semantic_indices, FALSE,
&so);
}
pipe->bind_vs_state(pipe, ctx->vs_pos_only);
pipe->bind_vs_state(pipe, ctx->vs_pos_only[index]);
}
static void bind_vs_passthrough(struct blitter_context_priv *ctx)
@ -441,8 +443,9 @@ void util_blitter_destroy(struct blitter_context *blitter)
pipe->delete_rasterizer_state(pipe, ctx->rs_discard_state);
if (ctx->vs)
pipe->delete_vs_state(pipe, ctx->vs);
if (ctx->vs_pos_only)
pipe->delete_vs_state(pipe, ctx->vs_pos_only);
for (i = 0; i < 4; i++)
if (ctx->vs_pos_only[i])
pipe->delete_vs_state(pipe, ctx->vs_pos_only[i]);
if (ctx->vs_layered)
pipe->delete_vs_state(pipe, ctx->vs_layered);
pipe->delete_vertex_elements_state(pipe, ctx->velem_state);
@ -2036,7 +2039,7 @@ void util_blitter_copy_buffer(struct blitter_context *blitter,
pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, &vb);
pipe->bind_vertex_elements_state(pipe, ctx->velem_state_readbuf[0]);
bind_vs_pos_only(ctx);
bind_vs_pos_only(ctx, 1);
if (ctx->has_geometry_shader)
pipe->bind_gs_state(pipe, NULL);
if (ctx->has_tessellation) {
@ -2103,7 +2106,7 @@ void util_blitter_clear_buffer(struct blitter_context *blitter,
pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, &vb);
pipe->bind_vertex_elements_state(pipe,
ctx->velem_state_readbuf[num_channels-1]);
bind_vs_pos_only(ctx);
bind_vs_pos_only(ctx, num_channels);
if (ctx->has_geometry_shader)
pipe->bind_gs_state(pipe, NULL);
if (ctx->has_tessellation) {