Pre-load all the LDS values who's range is accessed more than once.
Signed-off-by: Gert Wollny <gw.foss...@gmail.com>
---
src/gallium/drivers/r600/r600_shader.c | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/src/gallium/drivers/r600/r600_shader.c
b/src/gallium/drivers/r600/r600_shader.c
index 163ae75eb5..7c999fbb0b 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -2047,6 +2047,34 @@ static void count_tess_inputs(struct r600_shader_ctx
*ctx)
}
}
+static void preload_tes_lds(struct r600_shader_ctx *ctx)
+{
+ int i;
+ ctx->max_driver_temp_used = 0;
+ r600_get_temp(ctx);
+
+ for (i = 0; i < ctx->tess_input_cache.fill; ++i) {
+ struct r600_tess_input_cache_entry *ce =
&ctx->tess_input_cache.data[i];
+ fetch_tes_input(ctx, &ce->key, ce->reg, ce->mask);
+ ce->initialized = 1;
+ }
+}
+
+static void preload_tcs_lds(struct r600_shader_ctx *ctx)
+{
+ int i;
+ ctx->max_driver_temp_used = 0;
+ r600_get_temp(ctx);
+ for (i = 0; i < ctx->tess_input_cache.fill; ++i) {
+ struct r600_tess_input_cache_entry *ce =
&ctx->tess_input_cache.data[i];
+ if (ce->key.Register.File == TGSI_FILE_INPUT)
+ fetch_tcs_input(ctx, &ce->key, ce->reg, ce->mask);
+ else
+ fetch_tcs_output(ctx, &ce->key, ce->reg, ce->mask);
+ ce->initialized = 1;
+ }
+}
+
static int tgsi_split_lds_inputs(struct r600_shader_ctx *ctx)
{
struct tgsi_full_instruction *inst =
&ctx->parse.FullToken.FullInstruction;
@@ -3624,6 +3652,11 @@ static int r600_shader_from_tgsi(struct r600_context
*rctx,
return r;
}
+ if (ctx.type == PIPE_SHADER_TESS_EVAL)
+ preload_tes_lds(&ctx);
+ else if (ctx.type == PIPE_SHADER_TESS_CTRL)
+ preload_tcs_lds(&ctx);
+
tgsi_parse_init(&ctx.parse, tokens);
while (!tgsi_parse_end_of_tokens(&ctx.parse)) {
tgsi_parse_token(&ctx.parse);
--
2.13.6
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