aboutsummaryrefslogtreecommitdiff
path: root/src/gallium/auxiliary/tgsi/tgsi_transform.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi_transform.c')
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_transform.c250
1 files changed, 0 insertions, 250 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_transform.c b/src/gallium/auxiliary/tgsi/tgsi_transform.c
deleted file mode 100644
index b16d2966..00000000
--- a/src/gallium/auxiliary/tgsi/tgsi_transform.c
+++ /dev/null
@@ -1,250 +0,0 @@
-/**************************************************************************
- *
- * Copyright 2008 VMware, 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, sub license, 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 NON-INFRINGEMENT.
- * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
- *
- **************************************************************************/
-
-/**
- * TGSI program transformation utility.
- *
- * Authors: Brian Paul
- */
-
-#include "util/u_debug.h"
-
-#include "tgsi_transform.h"
-
-
-
-static void
-emit_instruction(struct tgsi_transform_context *ctx,
- const struct tgsi_full_instruction *inst)
-{
- uint ti = ctx->ti;
-
- ti += tgsi_build_full_instruction(inst,
- ctx->tokens_out + ti,
- ctx->header,
- ctx->max_tokens_out - ti);
- ctx->ti = ti;
-}
-
-
-static void
-emit_declaration(struct tgsi_transform_context *ctx,
- const struct tgsi_full_declaration *decl)
-{
- uint ti = ctx->ti;
-
- ti += tgsi_build_full_declaration(decl,
- ctx->tokens_out + ti,
- ctx->header,
- ctx->max_tokens_out - ti);
- ctx->ti = ti;
-}
-
-
-static void
-emit_immediate(struct tgsi_transform_context *ctx,
- const struct tgsi_full_immediate *imm)
-{
- uint ti = ctx->ti;
-
- ti += tgsi_build_full_immediate(imm,
- ctx->tokens_out + ti,
- ctx->header,
- ctx->max_tokens_out - ti);
- ctx->ti = ti;
-}
-
-
-static void
-emit_property(struct tgsi_transform_context *ctx,
- const struct tgsi_full_property *prop)
-{
- uint ti = ctx->ti;
-
- ti += tgsi_build_full_property(prop,
- ctx->tokens_out + ti,
- ctx->header,
- ctx->max_tokens_out - ti);
- ctx->ti = ti;
-}
-
-
-/**
- * Apply user-defined transformations to the input shader to produce
- * the output shader.
- * For example, a register search-and-replace operation could be applied
- * by defining a transform_instruction() callback that examined and changed
- * the instruction src/dest regs.
- *
- * \return number of tokens emitted
- */
-int
-tgsi_transform_shader(const struct tgsi_token *tokens_in,
- struct tgsi_token *tokens_out,
- uint max_tokens_out,
- struct tgsi_transform_context *ctx)
-{
- uint procType;
-
- /* input shader */
- struct tgsi_parse_context parse;
-
- /* output shader */
- struct tgsi_processor *processor;
-
-
- /**
- ** callback context init
- **/
- ctx->emit_instruction = emit_instruction;
- ctx->emit_declaration = emit_declaration;
- ctx->emit_immediate = emit_immediate;
- ctx->emit_property = emit_property;
- ctx->tokens_out = tokens_out;
- ctx->max_tokens_out = max_tokens_out;
-
-
- /**
- ** Setup to begin parsing input shader
- **/
- if (tgsi_parse_init( &parse, tokens_in ) != TGSI_PARSE_OK) {
- debug_printf("tgsi_parse_init() failed in tgsi_transform_shader()!\n");
- return -1;
- }
- procType = parse.FullHeader.Processor.Processor;
- assert(procType == TGSI_PROCESSOR_FRAGMENT ||
- procType == TGSI_PROCESSOR_VERTEX ||
- procType == TGSI_PROCESSOR_GEOMETRY);
-
-
- /**
- ** Setup output shader
- **/
- ctx->header = (struct tgsi_header *)tokens_out;
- *ctx->header = tgsi_build_header();
-
- processor = (struct tgsi_processor *) (tokens_out + 1);
- *processor = tgsi_build_processor( procType, ctx->header );
-
- ctx->ti = 2;
-
-
- /**
- ** Loop over incoming program tokens/instructions
- */
- while( !tgsi_parse_end_of_tokens( &parse ) ) {
-
- tgsi_parse_token( &parse );
-
- switch( parse.FullToken.Token.Type ) {
- case TGSI_TOKEN_TYPE_INSTRUCTION:
- {
- struct tgsi_full_instruction *fullinst
- = &parse.FullToken.FullInstruction;
-
- if (ctx->transform_instruction)
- ctx->transform_instruction(ctx, fullinst);
- else
- ctx->emit_instruction(ctx, fullinst);
- }
- break;
-
- case TGSI_TOKEN_TYPE_DECLARATION:
- {
- struct tgsi_full_declaration *fulldecl
- = &parse.FullToken.FullDeclaration;
-
- if (ctx->transform_declaration)
- ctx->transform_declaration(ctx, fulldecl);
- else
- ctx->emit_declaration(ctx, fulldecl);
- }
- break;
-
- case TGSI_TOKEN_TYPE_IMMEDIATE:
- {
- struct tgsi_full_immediate *fullimm
- = &parse.FullToken.FullImmediate;
-
- if (ctx->transform_immediate)
- ctx->transform_immediate(ctx, fullimm);
- else
- ctx->emit_immediate(ctx, fullimm);
- }
- break;
- case TGSI_TOKEN_TYPE_PROPERTY:
- {
- struct tgsi_full_property *fullprop
- = &parse.FullToken.FullProperty;
-
- if (ctx->transform_property)
- ctx->transform_property(ctx, fullprop);
- else
- ctx->emit_property(ctx, fullprop);
- }
- break;
-
- default:
- assert( 0 );
- }
- }
-
- if (ctx->epilog) {
- ctx->epilog(ctx);
- }
-
- tgsi_parse_free (&parse);
-
- return ctx->ti;
-}
-
-
-#include "tgsi_text.h"
-
-extern int tgsi_transform_foo( struct tgsi_token *tokens_out,
- uint max_tokens_out );
-
-/* This function exists only so that tgsi_text_translate() doesn't get
- * magic-ed out of the libtgsi.a archive by the build system. Don't
- * remove unless you know this has been fixed - check on mingw/scons
- * builds as well.
- */
-int
-tgsi_transform_foo( struct tgsi_token *tokens_out,
- uint max_tokens_out )
-{
- const char *text =
- "FRAG\n"
- "DCL IN[0], COLOR, CONSTANT\n"
- "DCL OUT[0], COLOR\n"
- " 0: MOV OUT[0], IN[0]\n"
- " 1: END";
-
- return tgsi_text_translate( text,
- tokens_out,
- max_tokens_out );
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-26 15:55:04 +0000