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zink: use last_vertex_stage pointer to optimize streamout emission during draw 

Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11746>
This commit is contained in:
Mike Blumenkrantz 2021-05-11 12:43:38 -04:00 committed by Marge Bot
parent cc438ba58a
commit 129b26909d
1 changed files with 4 additions and 14 deletions
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18
src/gallium/drivers/zink/zink_draw.c
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@ -638,20 +638,10 @@ zink_draw_vbo(struct pipe_context *pctx,
zink_query_update_gs_states(ctx);
if (have_streamout) {
for (int i = 0; i < ZINK_SHADER_COUNT; i++) {
struct zink_shader *shader = ctx->gfx_stages[i];
if (!shader)
continue;
enum pipe_shader_type stage = pipe_shader_type_from_mesa(shader->nir->info.stage);
if ((stage == PIPE_SHADER_GEOMETRY ||
(stage == PIPE_SHADER_TESS_EVAL && !ctx->gfx_stages[PIPE_SHADER_GEOMETRY]) ||
(stage == PIPE_SHADER_VERTEX && !ctx->gfx_stages[PIPE_SHADER_GEOMETRY] && !ctx->gfx_stages[PIPE_SHADER_TESS_EVAL]))) {
for (unsigned j = 0; j < ctx->num_so_targets; j++) {
struct zink_so_target *t = zink_so_target(ctx->so_targets[j]);
if (t)
t->stride = shader->streamout.so_info.stride[j] * sizeof(uint32_t);
}
}
for (unsigned j = 0; j < ctx->num_so_targets; j++) {
struct zink_so_target *t = zink_so_target(ctx->so_targets[j]);
if (t)
t->stride = ctx->last_vertex_stage->streamout.so_info.stride[j] * sizeof(uint32_t);
}
for (unsigned i = 0; i < ctx->num_so_targets; i++) {