Mesa (main): gallium/tgsi: Remove tgsi_emulate.
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gitlab-mirror at kemper.freedesktop.org
Thu May 5 23:11:15 UTC 2022
Module: Mesa
Branch: main
Commit: 8dc99300d6f0e86815beabcc069217907d7b5692
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=8dc99300d6f0e86815beabcc069217907d7b5692
Author: Eric Anholt <eric at anholt.net>
Date: Thu Jan 7 13:43:00 2021 -0800
gallium/tgsi: Remove tgsi_emulate.
Now that the TGSI frontend paths in mesa/st are gone, this code is unused.
Reviewed-by: Marek Olšák <marek.olsak at amd.com>
Reviewed-by: Timothy Arceri <tarceri at itsqueeze.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8044>
---
src/gallium/auxiliary/meson.build | 2 -
src/gallium/auxiliary/tgsi/tgsi_emulate.c | 164 ------------------------------
src/gallium/auxiliary/tgsi/tgsi_emulate.h | 38 -------
3 files changed, 204 deletions(-)
diff --git a/src/gallium/auxiliary/meson.build b/src/gallium/auxiliary/meson.build
index 3831dd72dd2..5d23c782c2d 100644
--- a/src/gallium/auxiliary/meson.build
+++ b/src/gallium/auxiliary/meson.build
@@ -181,8 +181,6 @@ files_libgallium = files(
'tgsi/tgsi_dynamic_indexing.c',
'tgsi/tgsi_exec.c',
'tgsi/tgsi_exec.h',
- 'tgsi/tgsi_emulate.c',
- 'tgsi/tgsi_emulate.h',
'tgsi/tgsi_from_mesa.c',
'tgsi/tgsi_from_mesa.h',
'tgsi/tgsi_info.c',
diff --git a/src/gallium/auxiliary/tgsi/tgsi_emulate.c b/src/gallium/auxiliary/tgsi/tgsi_emulate.c
deleted file mode 100644
index 806e90c2d2f..00000000000
--- a/src/gallium/auxiliary/tgsi/tgsi_emulate.c
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- * Copyright (C) 2015 Advanced Micro Devices, Inc.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- */
-
-#include "tgsi/tgsi_transform.h"
-#include "tgsi/tgsi_scan.h"
-#include "tgsi/tgsi_dump.h"
-#include "util/u_debug.h"
-
-#include "tgsi_emulate.h"
-
-struct tgsi_emulation_context {
- struct tgsi_transform_context base;
- struct tgsi_shader_info info;
- unsigned flags;
- bool first_instruction_emitted;
-};
-
-static inline struct tgsi_emulation_context *
-tgsi_emulation_context(struct tgsi_transform_context *tctx)
-{
- return (struct tgsi_emulation_context *)tctx;
-}
-
-static void
-transform_decl(struct tgsi_transform_context *tctx,
- struct tgsi_full_declaration *decl)
-{
- struct tgsi_emulation_context *ctx = tgsi_emulation_context(tctx);
-
- if (ctx->flags & TGSI_EMU_FORCE_PERSAMPLE_INTERP &&
- decl->Declaration.File == TGSI_FILE_INPUT) {
- assert(decl->Declaration.Interpolate);
- decl->Interp.Location = TGSI_INTERPOLATE_LOC_SAMPLE;
- }
-
- tctx->emit_declaration(tctx, decl);
-}
-
-static void
-passthrough_edgeflag(struct tgsi_transform_context *tctx)
-{
- struct tgsi_emulation_context *ctx = tgsi_emulation_context(tctx);
- struct tgsi_full_declaration decl;
- struct tgsi_full_instruction new_inst;
-
- /* Input */
- decl = tgsi_default_full_declaration();
- decl.Declaration.File = TGSI_FILE_INPUT;
- decl.Range.First = decl.Range.Last = ctx->info.num_inputs;
- tctx->emit_declaration(tctx, &decl);
-
- /* Output */
- decl = tgsi_default_full_declaration();
- decl.Declaration.File = TGSI_FILE_OUTPUT;
- decl.Declaration.Semantic = true;
- decl.Range.First = decl.Range.Last = ctx->info.num_outputs;
- decl.Semantic.Name = TGSI_SEMANTIC_EDGEFLAG;
- decl.Semantic.Index = 0;
- tctx->emit_declaration(tctx, &decl);
-
- /* MOV */
- new_inst = tgsi_default_full_instruction();
- new_inst.Instruction.Opcode = TGSI_OPCODE_MOV;
-
- new_inst.Instruction.NumDstRegs = 1;
- new_inst.Dst[0].Register.File = TGSI_FILE_OUTPUT;
- new_inst.Dst[0].Register.Index = ctx->info.num_outputs;
- new_inst.Dst[0].Register.WriteMask = TGSI_WRITEMASK_XYZW;
-
- new_inst.Instruction.NumSrcRegs = 1;
- new_inst.Src[0].Register.File = TGSI_FILE_INPUT;
- new_inst.Src[0].Register.Index = ctx->info.num_inputs;
- new_inst.Src[0].Register.SwizzleX = TGSI_SWIZZLE_X;
- new_inst.Src[0].Register.SwizzleY = TGSI_SWIZZLE_X;
- new_inst.Src[0].Register.SwizzleZ = TGSI_SWIZZLE_X;
- new_inst.Src[0].Register.SwizzleW = TGSI_SWIZZLE_X;
-
- tctx->emit_instruction(tctx, &new_inst);
-}
-
-static void
-transform_instr(struct tgsi_transform_context *tctx,
- struct tgsi_full_instruction *inst)
-{
- struct tgsi_emulation_context *ctx = tgsi_emulation_context(tctx);
-
- /* Pass through edgeflags. */
- if (!ctx->first_instruction_emitted) {
- ctx->first_instruction_emitted = true;
-
- if (ctx->flags & TGSI_EMU_PASSTHROUGH_EDGEFLAG)
- passthrough_edgeflag(tctx);
- }
-
- /* Clamp color outputs. */
- if (ctx->flags & TGSI_EMU_CLAMP_COLOR_OUTPUTS) {
- int i;
- for (i = 0; i < inst->Instruction.NumDstRegs; i++) {
- unsigned semantic;
-
- if (inst->Dst[i].Register.File != TGSI_FILE_OUTPUT ||
- inst->Dst[i].Register.Indirect)
- continue;
-
- semantic =
- ctx->info.output_semantic_name[inst->Dst[i].Register.Index];
-
- if (semantic == TGSI_SEMANTIC_COLOR ||
- semantic == TGSI_SEMANTIC_BCOLOR)
- inst->Instruction.Saturate = true;
- }
- }
-
- tctx->emit_instruction(tctx, inst);
-}
-
-const struct tgsi_token *
-tgsi_emulate(const struct tgsi_token *tokens, unsigned flags)
-{
- struct tgsi_emulation_context ctx;
- int newlen;
-
- if (!(flags & (TGSI_EMU_CLAMP_COLOR_OUTPUTS |
- TGSI_EMU_PASSTHROUGH_EDGEFLAG |
- TGSI_EMU_FORCE_PERSAMPLE_INTERP)))
- return NULL;
-
- memset(&ctx, 0, sizeof(ctx));
- ctx.flags = flags;
- tgsi_scan_shader(tokens, &ctx.info);
-
- if (flags & TGSI_EMU_FORCE_PERSAMPLE_INTERP)
- ctx.base.transform_declaration = transform_decl;
-
- if (flags & (TGSI_EMU_CLAMP_COLOR_OUTPUTS |
- TGSI_EMU_PASSTHROUGH_EDGEFLAG))
- ctx.base.transform_instruction = transform_instr;
-
- newlen = tgsi_num_tokens(tokens) + 20;
-
- return tgsi_transform_shader(tokens, newlen, &ctx.base);
-}
diff --git a/src/gallium/auxiliary/tgsi/tgsi_emulate.h b/src/gallium/auxiliary/tgsi/tgsi_emulate.h
deleted file mode 100644
index 425cec72ee1..00000000000
--- a/src/gallium/auxiliary/tgsi/tgsi_emulate.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * Copyright (C) 2015 Advanced Micro Devices, Inc.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- */
-
-#ifndef TGSI_GL_EMULATION_H_
-#define TGSI_GL_EMULATION_H_
-
-#include "pipe/p_shader_tokens.h"
-
-#define TGSI_EMU_CLAMP_COLOR_OUTPUTS (1 << 0)
-#define TGSI_EMU_PASSTHROUGH_EDGEFLAG (1 << 1)
-#define TGSI_EMU_FORCE_PERSAMPLE_INTERP (1 << 2)
-
-const struct tgsi_token *
-tgsi_emulate(const struct tgsi_token *tokens, unsigned flags);
-
-#endif /* TGSI_GL_EMULATION_H_ */
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