diff options
Diffstat (limited to 'src/mesa/drivers/glslcompiler/glslcompiler.c')
| -rw-r--r-- | src/mesa/drivers/glslcompiler/glslcompiler.c | 436 |
1 files changed, 0 insertions, 436 deletions
diff --git a/src/mesa/drivers/glslcompiler/glslcompiler.c b/src/mesa/drivers/glslcompiler/glslcompiler.c deleted file mode 100644 index 7259bf4c56..0000000000 --- a/src/mesa/drivers/glslcompiler/glslcompiler.c +++ /dev/null @@ -1,436 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5.3 - * - * Copyright (C) 1999-2007 Brian Paul, Tungsten Graphics, 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 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 - * BRIAN PAUL 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. - */ - -/** - * \mainpage - * - * Stand-alone Shading Language compiler. - * Basically, a command-line program which accepts GLSL shaders and emits - * vertex/fragment programs (GPU instructions). - * - * This file is basically just a Mesa device driver but instead of building - * a shared library we build an executable. - * - * We can emit programs in three different formats: - * 1. ARB-style (GL_ARB_vertex/fragment_program) - * 2. NV-style (GL_NV_vertex/fragment_program) - * 3. debug-style (a slightly more sophisticated, internal format) - * - * Note that the ARB and NV program languages can't express all the - * features that might be used by a fragment program (examples being - * uniform and varying vars). So, the ARB/NV programs that are - * emitted aren't always legal programs in those languages. - */ - - -#include "main/imports.h" -#include "main/context.h" -#include "main/extensions.h" -#include "main/framebuffer.h" -#include "main/shaderapi.h" -#include "main/shaderobj.h" -#include "program/prog_print.h" -#include "drivers/common/driverfuncs.h" -#include "tnl/tnl.h" -#include "tnl/t_context.h" -#include "tnl/t_pipeline.h" -#include "swrast/swrast.h" -#include "swrast_setup/swrast_setup.h" -#include "vbo/vbo.h" - - -static const char *Prog = "glslcompiler"; - - -struct options { - GLboolean LineNumbers; - GLboolean Link; - gl_prog_print_mode Mode; - const char *VertFile; - const char *FragFile; - const char *GeoFile; - const char *OutputFile; - GLboolean Params; - struct gl_sl_pragmas Pragmas; -}; - -static struct options Options; - - -/** - * GLSL compiler driver context. (kind of an artificial thing for now) - */ -struct compiler_context -{ - GLcontext MesaContext; - int foo; -}; - -typedef struct compiler_context CompilerContext; - - - -static void -UpdateState(GLcontext *ctx, GLuint new_state) -{ - /* easy - just propogate */ - _swrast_InvalidateState( ctx, new_state ); - _swsetup_InvalidateState( ctx, new_state ); - _tnl_InvalidateState( ctx, new_state ); - _vbo_InvalidateState( ctx, new_state ); -} - - - -static GLboolean -CreateContext(void) -{ - struct dd_function_table ddFuncs; - GLvisual *vis; - GLframebuffer *buf; - GLcontext *ctx; - CompilerContext *cc; - - vis = _mesa_create_visual(GL_FALSE, GL_FALSE, /* RGB */ - 8, 8, 8, 8, /* color */ - 0, 0, /* z, stencil */ - 0, 0, 0, 0, 1); /* accum */ - buf = _mesa_create_framebuffer(vis); - - cc = calloc(1, sizeof(*cc)); - if (!vis || !buf || !cc) { - if (vis) - _mesa_destroy_visual(vis); - if (buf) - _mesa_destroy_framebuffer(buf); - free(cc); - return GL_FALSE; - } - - _mesa_init_driver_functions(&ddFuncs); - ddFuncs.GetString = NULL;/*get_string;*/ - ddFuncs.UpdateState = UpdateState; - ddFuncs.GetBufferSize = NULL; - - ctx = &cc->MesaContext; - _mesa_initialize_context(ctx, vis, NULL, &ddFuncs, cc); - _mesa_enable_sw_extensions(ctx); - - if (!_swrast_CreateContext( ctx ) || - !_vbo_CreateContext( ctx ) || - !_tnl_CreateContext( ctx ) || - !_swsetup_CreateContext( ctx )) { - _mesa_destroy_visual(vis); - _mesa_destroy_framebuffer(buf); - _mesa_free_context_data(ctx); - free(cc); - return GL_FALSE; - } - TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline; - _swsetup_Wakeup( ctx ); - - /* Override the context's default pragma settings */ - ctx->Shader.DefaultPragmas = Options.Pragmas; - - _mesa_make_current(ctx, buf, buf); - - return GL_TRUE; -} - - -static void -LoadAndCompileShader(GLuint shader, const char *text) -{ - GLint stat; - _mesa_ShaderSourceARB(shader, 1, (const GLchar **) &text, NULL); - _mesa_CompileShaderARB(shader); - _mesa_GetShaderiv(shader, GL_COMPILE_STATUS, &stat); - if (!stat) { - GLchar log[1000]; - GLsizei len; - _mesa_GetShaderInfoLog(shader, 1000, &len, log); - fprintf(stderr, "%s: problem compiling shader: %s\n", Prog, log); - exit(1); - } - else { - printf("Shader compiled OK\n"); - } -} - - -/** - * Read a shader from a file. - */ -static void -ReadShader(GLuint shader, const char *filename) -{ - const int max = 100*1000; - int n; - char *buffer = (char*) malloc(max); - FILE *f = fopen(filename, "r"); - if (!f) { - fprintf(stderr, "%s: Unable to open shader file %s\n", Prog, filename); - exit(1); - } - - n = fread(buffer, 1, max, f); - /* - printf("%s: read %d bytes from shader file %s\n", Prog, n, filename); - */ - if (n > 0) { - buffer[n] = 0; - LoadAndCompileShader(shader, buffer); - } - - fclose(f); - free(buffer); -} - - -static void -CheckLink(GLuint v_shader, GLuint f_shader) -{ - GLuint prog; - GLint stat; - - prog = _mesa_CreateProgram(); - - _mesa_AttachShader(prog, v_shader); - _mesa_AttachShader(prog, f_shader); - - _mesa_LinkProgramARB(prog); - _mesa_GetProgramiv(prog, GL_LINK_STATUS, &stat); - if (!stat) { - GLchar log[1000]; - GLsizei len; - _mesa_GetProgramInfoLog(prog, 1000, &len, log); - fprintf(stderr, "Linker error:\n%s\n", log); - } - else { - fprintf(stderr, "Link success!\n"); - } -} - - -static void -PrintShaderInstructions(GLuint shader, FILE *f) -{ - GET_CURRENT_CONTEXT(ctx); - struct gl_shader *sh = _mesa_lookup_shader(ctx, shader); - struct gl_program *prog = sh->Program; - _mesa_fprint_program_opt(stdout, prog, Options.Mode, Options.LineNumbers); - if (Options.Params) - _mesa_print_program_parameters(ctx, prog); -} - - -static GLuint -CompileShader(const char *filename, GLenum type) -{ - GLuint shader; - - assert(type == GL_FRAGMENT_SHADER || - type == GL_VERTEX_SHADER || - type == GL_GEOMETRY_SHADER_ARB); - - shader = _mesa_CreateShader(type); - ReadShader(shader, filename); - - return shader; -} - - -static void -Usage(void) -{ - printf("Mesa GLSL stand-alone compiler\n"); - printf("Usage:\n"); - printf(" --vs FILE vertex shader input filename\n"); - printf(" --fs FILE fragment shader input filename\n"); - printf(" --gs FILE geometry shader input filename\n"); - printf(" --arb emit ARB-style instructions\n"); - printf(" --nv emit NV-style instructions\n"); - printf(" --link run linker\n"); - printf(" --debug force #pragma debug(on)\n"); - printf(" --nodebug force #pragma debug(off)\n"); - printf(" --opt force #pragma optimize(on)\n"); - printf(" --noopt force #pragma optimize(off)\n"); - printf(" --number, -n emit line numbers (if --arb or --nv)\n"); - printf(" --output, -o FILE output filename\n"); - printf(" --params also emit program parameter info\n"); - printf(" --help display this information\n"); -} - - -static void -ParseOptions(int argc, char *argv[]) -{ - int i; - - Options.LineNumbers = GL_FALSE; - Options.Mode = PROG_PRINT_DEBUG; - Options.VertFile = NULL; - Options.FragFile = NULL; - Options.GeoFile = NULL; - Options.OutputFile = NULL; - Options.Params = GL_FALSE; - Options.Pragmas.IgnoreOptimize = GL_FALSE; - Options.Pragmas.IgnoreDebug = GL_FALSE; - Options.Pragmas.Debug = GL_FALSE; - Options.Pragmas.Optimize = GL_TRUE; - - if (argc == 1) { - Usage(); - exit(0); - } - - for (i = 1; i < argc; i++) { - if (strcmp(argv[i], "--vs") == 0) { - Options.VertFile = argv[i + 1]; - i++; - } - else if (strcmp(argv[i], "--fs") == 0) { - Options.FragFile = argv[i + 1]; - i++; - } - else if (strcmp(argv[i], "--gs") == 0) { - Options.GeoFile = argv[i + 1]; - i++; - } - else if (strcmp(argv[i], "--arb") == 0) { - Options.Mode = PROG_PRINT_ARB; - } - else if (strcmp(argv[i], "--nv") == 0) { - Options.Mode = PROG_PRINT_NV; - } - else if (strcmp(argv[i], "--link") == 0) { - Options.Link = GL_TRUE; - } - else if (strcmp(argv[i], "--debug") == 0) { - Options.Pragmas.IgnoreDebug = GL_TRUE; - Options.Pragmas.Debug = GL_TRUE; - } - else if (strcmp(argv[i], "--nodebug") == 0) { - Options.Pragmas.IgnoreDebug = GL_TRUE; - Options.Pragmas.Debug = GL_FALSE; - } - else if (strcmp(argv[i], "--opt") == 0) { - Options.Pragmas.IgnoreOptimize = GL_TRUE; - Options.Pragmas.Optimize = GL_TRUE; - } - else if (strcmp(argv[i], "--noopt") == 0) { - Options.Pragmas.IgnoreOptimize = GL_TRUE; - Options.Pragmas.Optimize = GL_FALSE; - } - else if (strcmp(argv[i], "--number") == 0 || - strcmp(argv[i], "-n") == 0) { - Options.LineNumbers = GL_TRUE; - } - else if (strcmp(argv[i], "--output") == 0 || - strcmp(argv[i], "-o") == 0) { - Options.OutputFile = argv[i + 1]; - i++; - } - else if (strcmp(argv[i], "--params") == 0) { - Options.Params = GL_TRUE; - } - else if (strcmp(argv[i], "--help") == 0) { - Usage(); - exit(0); - } - else { - printf("Unknown option: %s\n", argv[i]); - Usage(); - exit(1); - } - } - - if (Options.Mode == PROG_PRINT_DEBUG) { - /* always print line numbers when emitting debug-style output */ - Options.LineNumbers = GL_TRUE; - } -} - - -int -main(int argc, char *argv[]) -{ - GLuint v_shader = 0, f_shader = 0, g_shader = 0; - - ParseOptions(argc, argv); - - if (!CreateContext()) { - fprintf(stderr, "%s: Failed to create compiler context\n", Prog); - exit(1); - } - - if (Options.VertFile) { - v_shader = CompileShader(Options.VertFile, GL_VERTEX_SHADER); - } - - if (Options.FragFile) { - f_shader = CompileShader(Options.FragFile, GL_FRAGMENT_SHADER); - } - - if (Options.GeoFile) { - g_shader = CompileShader(Options.GeoFile, GL_GEOMETRY_SHADER_ARB); - } - - - if (v_shader || f_shader || g_shader) { - if (Options.OutputFile) { - FILE *f; - fclose(stdout); - /*stdout =*/ f = freopen(Options.OutputFile, "w", stdout); - if (!f) { - fprintf(stderr, "freopen error\n"); - } - } - if (stdout && v_shader) { - PrintShaderInstructions(v_shader, stdout); - } - if (stdout && f_shader) { - PrintShaderInstructions(f_shader, stdout); - } - if (stdout && g_shader) { - PrintShaderInstructions(g_shader, stdout); - } - if (Options.OutputFile) { - fclose(stdout); - } - } - - if (Options.Link) { - if (!v_shader || !f_shader) { - fprintf(stderr, - "--link option requires both a vertex and fragment shader.\n"); - exit(1); - } - - CheckLink(v_shader, f_shader); - } - - return 0; -} |