radeonsi: get rid of si_llvm_emit_fs_epilogue

It is no longer used.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>

diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index f3b94d7..56892de 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -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;