mirror of https://gitlab.freedesktop.org/mesa/mesa
432 lines
15 KiB
C++
432 lines
15 KiB
C++
/*
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* Copyright © 2008, 2009 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <getopt.h>
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/** @file main.cpp
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*
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* This file is the main() routine and scaffolding for producing
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* builtin_compiler (which doesn't include builtins itself and is used
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* to generate the profile information for builtin_function.cpp), and
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* for glsl_compiler (which does include builtins and can be used to
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* offline compile GLSL code and examine the resulting GLSL IR.
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*/
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#include "ast.h"
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#include "glsl_parser_extras.h"
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#include "ir_optimization.h"
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#include "program.h"
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#include "program/hash_table.h"
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#include "loop_analysis.h"
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#include "standalone_scaffolding.h"
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static int glsl_version = 330;
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extern "C" void
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_mesa_error_no_memory(const char *caller)
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{
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fprintf(stderr, "Mesa error: out of memory in %s", caller);
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}
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static void
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initialize_context(struct gl_context *ctx, gl_api api)
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{
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initialize_context_to_defaults(ctx, api);
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/* The standalone compiler needs to claim support for almost
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* everything in order to compile the built-in functions.
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*/
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ctx->Const.GLSLVersion = glsl_version;
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ctx->Extensions.ARB_ES3_compatibility = true;
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ctx->Const.MaxComputeWorkGroupCount[0] = 65535;
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ctx->Const.MaxComputeWorkGroupCount[1] = 65535;
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ctx->Const.MaxComputeWorkGroupCount[2] = 65535;
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ctx->Const.MaxComputeWorkGroupSize[0] = 1024;
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ctx->Const.MaxComputeWorkGroupSize[1] = 1024;
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ctx->Const.MaxComputeWorkGroupSize[2] = 64;
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ctx->Const.MaxComputeWorkGroupInvocations = 1024;
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ctx->Const.Program[MESA_SHADER_COMPUTE].MaxTextureImageUnits = 16;
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ctx->Const.Program[MESA_SHADER_COMPUTE].MaxUniformComponents = 1024;
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ctx->Const.Program[MESA_SHADER_COMPUTE].MaxInputComponents = 0; /* not used */
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ctx->Const.Program[MESA_SHADER_COMPUTE].MaxOutputComponents = 0; /* not used */
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switch (ctx->Const.GLSLVersion) {
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case 100:
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ctx->Const.MaxClipPlanes = 0;
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ctx->Const.MaxCombinedTextureImageUnits = 8;
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ctx->Const.MaxDrawBuffers = 2;
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ctx->Const.MinProgramTexelOffset = 0;
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ctx->Const.MaxProgramTexelOffset = 0;
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ctx->Const.MaxLights = 0;
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ctx->Const.MaxTextureCoordUnits = 0;
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ctx->Const.MaxTextureUnits = 8;
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 8;
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 0;
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 128 * 4;
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 32;
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ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits =
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ctx->Const.MaxCombinedTextureImageUnits;
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ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 16 * 4;
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ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents =
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents;
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ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */
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ctx->Const.MaxVarying = ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents / 4;
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break;
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case 110:
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case 120:
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ctx->Const.MaxClipPlanes = 6;
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ctx->Const.MaxCombinedTextureImageUnits = 2;
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ctx->Const.MaxDrawBuffers = 1;
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ctx->Const.MinProgramTexelOffset = 0;
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ctx->Const.MaxProgramTexelOffset = 0;
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ctx->Const.MaxLights = 8;
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ctx->Const.MaxTextureCoordUnits = 2;
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ctx->Const.MaxTextureUnits = 2;
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 16;
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 0;
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 512;
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 32;
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ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits =
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ctx->Const.MaxCombinedTextureImageUnits;
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ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 64;
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ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents =
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents;
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ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */
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ctx->Const.MaxVarying = ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents / 4;
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break;
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case 130:
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case 140:
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ctx->Const.MaxClipPlanes = 8;
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ctx->Const.MaxCombinedTextureImageUnits = 16;
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ctx->Const.MaxDrawBuffers = 8;
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ctx->Const.MinProgramTexelOffset = -8;
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ctx->Const.MaxProgramTexelOffset = 7;
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ctx->Const.MaxLights = 8;
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ctx->Const.MaxTextureCoordUnits = 8;
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ctx->Const.MaxTextureUnits = 2;
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 16;
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 16;
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 1024;
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 64;
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ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = 16;
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ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 1024;
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ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents =
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents;
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ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */
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ctx->Const.MaxVarying = ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents / 4;
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break;
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case 150:
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case 330:
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ctx->Const.MaxClipPlanes = 8;
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ctx->Const.MaxDrawBuffers = 8;
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ctx->Const.MinProgramTexelOffset = -8;
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ctx->Const.MaxProgramTexelOffset = 7;
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ctx->Const.MaxLights = 8;
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ctx->Const.MaxTextureCoordUnits = 8;
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ctx->Const.MaxTextureUnits = 2;
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 16;
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 16;
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 1024;
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 64;
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ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxTextureImageUnits = 16;
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ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxUniformComponents = 1024;
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ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxInputComponents =
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents;
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ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxOutputComponents = 128;
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ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = 16;
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ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 1024;
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ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents =
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ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxOutputComponents;
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ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */
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ctx->Const.MaxCombinedTextureImageUnits =
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits
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+ ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxTextureImageUnits
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+ ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits;
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ctx->Const.MaxGeometryOutputVertices = 256;
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ctx->Const.MaxGeometryTotalOutputComponents = 1024;
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ctx->Const.MaxVarying = 60 / 4;
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break;
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case 300:
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ctx->Const.MaxClipPlanes = 8;
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ctx->Const.MaxCombinedTextureImageUnits = 32;
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ctx->Const.MaxDrawBuffers = 4;
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ctx->Const.MinProgramTexelOffset = -8;
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ctx->Const.MaxProgramTexelOffset = 7;
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ctx->Const.MaxLights = 0;
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ctx->Const.MaxTextureCoordUnits = 0;
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ctx->Const.MaxTextureUnits = 0;
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 16;
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 16;
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 1024;
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 16 * 4;
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ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = 16;
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ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 224;
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ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents = 15 * 4;
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ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */
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ctx->Const.MaxVarying = ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents / 4;
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break;
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}
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ctx->Const.GenerateTemporaryNames = true;
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ctx->Driver.NewShader = _mesa_new_shader;
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}
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/* Returned string will have 'ctx' as its ralloc owner. */
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static char *
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load_text_file(void *ctx, const char *file_name)
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{
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char *text = NULL;
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size_t size;
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size_t total_read = 0;
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FILE *fp = fopen(file_name, "rb");
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if (!fp) {
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return NULL;
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}
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fseek(fp, 0L, SEEK_END);
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size = ftell(fp);
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fseek(fp, 0L, SEEK_SET);
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text = (char *) ralloc_size(ctx, size + 1);
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if (text != NULL) {
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do {
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size_t bytes = fread(text + total_read,
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1, size - total_read, fp);
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if (bytes < size - total_read) {
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free(text);
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text = NULL;
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goto error;
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}
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if (bytes == 0) {
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break;
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}
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total_read += bytes;
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} while (total_read < size);
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text[total_read] = '\0';
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error:;
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}
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fclose(fp);
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return text;
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}
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int dump_ast = 0;
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int dump_hir = 0;
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int dump_lir = 0;
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int do_link = 0;
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const struct option compiler_opts[] = {
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{ "dump-ast", no_argument, &dump_ast, 1 },
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{ "dump-hir", no_argument, &dump_hir, 1 },
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{ "dump-lir", no_argument, &dump_lir, 1 },
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{ "link", no_argument, &do_link, 1 },
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{ "version", required_argument, NULL, 'v' },
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{ NULL, 0, NULL, 0 }
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};
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/**
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* \brief Print proper usage and exit with failure.
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*/
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void
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usage_fail(const char *name)
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{
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const char *header =
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"usage: %s [options] <file.vert | file.geom | file.frag>\n"
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"\n"
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"Possible options are:\n";
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printf(header, name, name);
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for (const struct option *o = compiler_opts; o->name != 0; ++o) {
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printf(" --%s\n", o->name);
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}
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exit(EXIT_FAILURE);
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}
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void
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compile_shader(struct gl_context *ctx, struct gl_shader *shader)
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{
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struct _mesa_glsl_parse_state *state =
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new(shader) _mesa_glsl_parse_state(ctx, shader->Stage, shader);
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_mesa_glsl_compile_shader(ctx, shader, dump_ast, dump_hir);
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/* Print out the resulting IR */
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if (!state->error && dump_lir) {
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_mesa_print_ir(stdout, shader->ir, state);
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}
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return;
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}
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int
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main(int argc, char **argv)
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{
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int status = EXIT_SUCCESS;
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struct gl_context local_ctx;
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struct gl_context *ctx = &local_ctx;
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bool glsl_es = false;
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int c;
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int idx = 0;
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while ((c = getopt_long(argc, argv, "", compiler_opts, &idx)) != -1) {
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switch (c) {
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case 'v':
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glsl_version = strtol(optarg, NULL, 10);
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switch (glsl_version) {
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case 100:
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case 300:
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glsl_es = true;
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break;
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case 110:
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case 120:
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case 130:
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case 140:
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case 150:
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case 330:
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glsl_es = false;
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break;
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default:
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fprintf(stderr, "Unrecognized GLSL version `%s'\n", optarg);
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usage_fail(argv[0]);
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break;
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}
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break;
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default:
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break;
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}
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}
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if (argc <= optind)
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usage_fail(argv[0]);
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initialize_context(ctx, (glsl_es) ? API_OPENGLES2 : API_OPENGL_COMPAT);
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struct gl_shader_program *whole_program;
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whole_program = rzalloc (NULL, struct gl_shader_program);
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assert(whole_program != NULL);
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whole_program->InfoLog = ralloc_strdup(whole_program, "");
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/* Created just to avoid segmentation faults */
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whole_program->AttributeBindings = new string_to_uint_map;
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whole_program->FragDataBindings = new string_to_uint_map;
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whole_program->FragDataIndexBindings = new string_to_uint_map;
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for (/* empty */; argc > optind; optind++) {
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whole_program->Shaders =
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reralloc(whole_program, whole_program->Shaders,
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struct gl_shader *, whole_program->NumShaders + 1);
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assert(whole_program->Shaders != NULL);
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struct gl_shader *shader = rzalloc(whole_program, gl_shader);
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whole_program->Shaders[whole_program->NumShaders] = shader;
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whole_program->NumShaders++;
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const unsigned len = strlen(argv[optind]);
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if (len < 6)
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usage_fail(argv[0]);
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const char *const ext = & argv[optind][len - 5];
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if (strncmp(".vert", ext, 5) == 0 || strncmp(".glsl", ext, 5) == 0)
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shader->Type = GL_VERTEX_SHADER;
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else if (strncmp(".geom", ext, 5) == 0)
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shader->Type = GL_GEOMETRY_SHADER;
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else if (strncmp(".frag", ext, 5) == 0)
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shader->Type = GL_FRAGMENT_SHADER;
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else if (strncmp(".comp", ext, 5) == 0)
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shader->Type = GL_COMPUTE_SHADER;
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else
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usage_fail(argv[0]);
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shader->Stage = _mesa_shader_enum_to_shader_stage(shader->Type);
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shader->Source = load_text_file(whole_program, argv[optind]);
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if (shader->Source == NULL) {
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printf("File \"%s\" does not exist.\n", argv[optind]);
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exit(EXIT_FAILURE);
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}
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compile_shader(ctx, shader);
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if (strlen(shader->InfoLog) > 0)
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printf("Info log for %s:\n%s\n", argv[optind], shader->InfoLog);
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if (!shader->CompileStatus) {
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status = EXIT_FAILURE;
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break;
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}
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}
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if ((status == EXIT_SUCCESS) && do_link) {
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_mesa_clear_shader_program_data(whole_program);
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link_shaders(ctx, whole_program);
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status = (whole_program->LinkStatus) ? EXIT_SUCCESS : EXIT_FAILURE;
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if (strlen(whole_program->InfoLog) > 0)
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printf("Info log for linking:\n%s\n", whole_program->InfoLog);
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}
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for (unsigned i = 0; i < MESA_SHADER_STAGES; i++)
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ralloc_free(whole_program->_LinkedShaders[i]);
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delete whole_program->AttributeBindings;
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delete whole_program->FragDataBindings;
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delete whole_program->FragDataIndexBindings;
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ralloc_free(whole_program);
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_mesa_glsl_release_types();
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_mesa_glsl_release_builtin_functions();
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return status;
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}
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