From: Nicolai Hähnle <nicolai.haeh...@amd.com>
It is no longer used.
---
src/gallium/drivers/radeonsi/si_shader.c | 97 +-------------------------------
1 file changed, 1 insertion(+), 96 deletions(-)
diff --git a/src/gallium/drivers/radeonsi/si_shader.c
b/src/gallium/drivers/radeonsi/si_shader.c
index f3b94d7..56892de 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -2953,112 +2953,20 @@ static void si_export_null(struct
lp_build_tgsi_context *bld_base)
args[4] = uint->zero; /* COMPR flag (0 = 32-bit export) */
args[5] = base->undef; /* R */
args[6] = base->undef; /* G */
args[7] = base->undef; /* B */
args[8] = base->undef; /* A */
lp_build_intrinsic(base->gallivm->builder, "llvm.SI.export",
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:
*
* v[0:3] = color0.xyzw
* v[4:7] = color1.xyzw
* ...
* vN+0 = Depth
* vN+1 = Stencil
* vN+2 = SampleMask
* vN+3 = SampleMaskIn (used for OpenGL smoothing)
@@ -6639,24 +6547,21 @@ static bool si_compile_tgsi_main(struct
si_shader_context *ctx,
bld_base->emit_epilogue = si_llvm_emit_es_epilogue;
else
bld_base->emit_epilogue = si_llvm_emit_vs_epilogue;
break;
case PIPE_SHADER_GEOMETRY:
bld_base->emit_fetch_funcs[TGSI_FILE_INPUT] = fetch_input_gs;
bld_base->emit_epilogue = si_llvm_emit_gs_epilogue;
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;
break;
default:
assert(!"Unsupported shader type");
return false;
}
create_meta_data(ctx);
--
2.7.4
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