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radeonsi: get rid of si_llvm_emit_fs_epilogue

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It is no longer used.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Nicolai Hähnle 2016-10-28 22:10:00 +02:00
parent 611510038a
commit 75503b1904
1 changed files with 1 additions and 96 deletions
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97
src/gallium/drivers/radeonsi/si_shader.c
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@ -2960,98 +2960,6 @@ static void si_export_null(struct lp_build_tgsi_context *bld_base)
ctx->voidt, args, 9, 0);
}
static void si_llvm_emit_fs_epilogue(struct lp_build_tgsi_context *bld_base)
{
struct si_shader_context *ctx = si_shader_context(bld_base);
struct si_shader *shader = ctx->shader;
struct lp_build_context *base = &bld_base->base;
struct tgsi_shader_info *info = &shader->selector->info;
LLVMBuilderRef builder = base->gallivm->builder;
LLVMValueRef depth = NULL, stencil = NULL, samplemask = NULL;
int last_color_export = -1;
int i;
struct si_ps_exports exp = {};
/* Determine the last export. If MRTZ is present, it's always last.
* Otherwise, find the last color export.
*/
if (!info->writes_z && !info->writes_stencil && !info->writes_samplemask) {
unsigned spi_format = shader->key.ps.epilog.spi_shader_col_format;
/* Don't export NULL and return if alpha-test is enabled. */
if (shader->key.ps.epilog.alpha_func != PIPE_FUNC_ALWAYS &&
shader->key.ps.epilog.alpha_func != PIPE_FUNC_NEVER &&
(spi_format & 0xf) == 0)
spi_format |= V_028714_SPI_SHADER_32_AR;
for (i = 0; i < info->num_outputs; i++) {
unsigned index = info->output_semantic_index[i];
if (info->output_semantic_name[i] != TGSI_SEMANTIC_COLOR)
continue;
/* If last_cbuf > 0, FS_COLOR0_WRITES_ALL_CBUFS is true. */
if (shader->key.ps.epilog.last_cbuf > 0) {
/* Just set this if any of the colorbuffers are enabled. */
if (spi_format &
((1llu << (4 * (shader->key.ps.epilog.last_cbuf + 1))) - 1))
last_color_export = i;
continue;
}
if ((spi_format >> (index * 4)) & 0xf)
last_color_export = i;
}
/* If there are no outputs, export NULL. */
if (last_color_export == -1) {
si_export_null(bld_base);
return;
}
}
for (i = 0; i < info->num_outputs; i++) {
unsigned semantic_name = info->output_semantic_name[i];
unsigned semantic_index = info->output_semantic_index[i];
unsigned j;
LLVMValueRef color[4] = {};
/* Select the correct target */
switch (semantic_name) {
case TGSI_SEMANTIC_POSITION:
depth = LLVMBuildLoad(builder,
ctx->soa.outputs[i][2], "");
break;
case TGSI_SEMANTIC_STENCIL:
stencil = LLVMBuildLoad(builder,
ctx->soa.outputs[i][1], "");
break;
case TGSI_SEMANTIC_SAMPLEMASK:
samplemask = LLVMBuildLoad(builder,
ctx->soa.outputs[i][0], "");
break;
case TGSI_SEMANTIC_COLOR:
for (j = 0; j < 4; j++)
color[j] = LLVMBuildLoad(builder,
ctx->soa.outputs[i][j], "");
si_export_mrt_color(bld_base, color, semantic_index,
SI_PARAM_SAMPLE_COVERAGE,
last_color_export == i, &exp);
break;
default:
fprintf(stderr,
"Warning: SI unhandled fs output type:%d\n",
semantic_name);
}
}
if (depth || stencil || samplemask)
si_export_mrt_z(bld_base, depth, stencil, samplemask, &exp);
si_emit_ps_exports(ctx, &exp);
}
/**
* Return PS outputs in this order:
*
@ -6646,10 +6554,7 @@ static bool si_compile_tgsi_main(struct si_shader_context *ctx,
break;
case PIPE_SHADER_FRAGMENT:
ctx->load_input = declare_input_fs;
if (ctx->no_epilog)
bld_base->emit_epilogue = si_llvm_emit_fs_epilogue;
else
bld_base->emit_epilogue = si_llvm_return_fs_outputs;
bld_base->emit_epilogue = si_llvm_return_fs_outputs;
break;
case PIPE_SHADER_COMPUTE:
ctx->declare_memory_region = declare_compute_memory;