* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
-#include <cstdlib>
-#include <cstdio>
#include <getopt.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
+/** @file main.cpp
+ *
+ * This file is the main() routine and scaffolding for producing
+ * builtin_compiler (which doesn't include builtins itself and is used
+ * to generate the profile information for builtin_function.cpp), and
+ * for glsl_compiler (which does include builtins and can be used to
+ * offline compile GLSL code and examine the resulting GLSL IR.
+ */
#include "ast.h"
#include "glsl_parser_extras.h"
-#include "glsl_parser.h"
#include "ir_optimization.h"
-#include "ir_print_visitor.h"
#include "program.h"
+#include "loop_analysis.h"
+#include "standalone_scaffolding.h"
+
+static int glsl_version = 330;
+
+static void
+initialize_context(struct gl_context *ctx, gl_api api)
+{
+ initialize_context_to_defaults(ctx, api);
+
+ /* The standalone compiler needs to claim support for almost
+ * everything in order to compile the built-in functions.
+ */
+ ctx->Const.GLSLVersion = glsl_version;
+ ctx->Extensions.ARB_ES3_compatibility = true;
+
+ switch (ctx->Const.GLSLVersion) {
+ case 100:
+ ctx->Const.MaxClipPlanes = 0;
+ ctx->Const.MaxCombinedTextureImageUnits = 8;
+ ctx->Const.MaxDrawBuffers = 2;
+ ctx->Const.MinProgramTexelOffset = 0;
+ ctx->Const.MaxProgramTexelOffset = 0;
+ ctx->Const.MaxLights = 0;
+ ctx->Const.MaxTextureCoordUnits = 0;
+ ctx->Const.MaxTextureUnits = 8;
+
+ ctx->Const.VertexProgram.MaxAttribs = 8;
+ ctx->Const.VertexProgram.MaxTextureImageUnits = 0;
+ ctx->Const.VertexProgram.MaxUniformComponents = 128 * 4;
+ ctx->Const.VertexProgram.MaxInputComponents = 0; /* not used */
+ ctx->Const.VertexProgram.MaxOutputComponents = 32;
+
+ ctx->Const.FragmentProgram.MaxTextureImageUnits =
+ ctx->Const.MaxCombinedTextureImageUnits;
+ ctx->Const.FragmentProgram.MaxUniformComponents = 16 * 4;
+ ctx->Const.FragmentProgram.MaxInputComponents =
+ ctx->Const.VertexProgram.MaxOutputComponents;
+ ctx->Const.FragmentProgram.MaxOutputComponents = 0; /* not used */
+
+ ctx->Const.MaxVarying = ctx->Const.VertexProgram.MaxOutputComponents / 4;
+ break;
+ case 110:
+ case 120:
+ ctx->Const.MaxClipPlanes = 6;
+ ctx->Const.MaxCombinedTextureImageUnits = 2;
+ ctx->Const.MaxDrawBuffers = 1;
+ ctx->Const.MinProgramTexelOffset = 0;
+ ctx->Const.MaxProgramTexelOffset = 0;
+ ctx->Const.MaxLights = 8;
+ ctx->Const.MaxTextureCoordUnits = 2;
+ ctx->Const.MaxTextureUnits = 2;
+
+ ctx->Const.VertexProgram.MaxAttribs = 16;
+ ctx->Const.VertexProgram.MaxTextureImageUnits = 0;
+ ctx->Const.VertexProgram.MaxUniformComponents = 512;
+ ctx->Const.VertexProgram.MaxInputComponents = 0; /* not used */
+ ctx->Const.VertexProgram.MaxOutputComponents = 32;
+
+ ctx->Const.FragmentProgram.MaxTextureImageUnits =
+ ctx->Const.MaxCombinedTextureImageUnits;
+ ctx->Const.FragmentProgram.MaxUniformComponents = 64;
+ ctx->Const.FragmentProgram.MaxInputComponents =
+ ctx->Const.VertexProgram.MaxOutputComponents;
+ ctx->Const.FragmentProgram.MaxOutputComponents = 0; /* not used */
+
+ ctx->Const.MaxVarying = ctx->Const.VertexProgram.MaxOutputComponents / 4;
+ break;
+ case 130:
+ case 140:
+ ctx->Const.MaxClipPlanes = 8;
+ ctx->Const.MaxCombinedTextureImageUnits = 16;
+ ctx->Const.MaxDrawBuffers = 8;
+ ctx->Const.MinProgramTexelOffset = -8;
+ ctx->Const.MaxProgramTexelOffset = 7;
+ ctx->Const.MaxLights = 8;
+ ctx->Const.MaxTextureCoordUnits = 8;
+ ctx->Const.MaxTextureUnits = 2;
+
+ ctx->Const.VertexProgram.MaxAttribs = 16;
+ ctx->Const.VertexProgram.MaxTextureImageUnits = 16;
+ ctx->Const.VertexProgram.MaxUniformComponents = 1024;
+ ctx->Const.VertexProgram.MaxInputComponents = 0; /* not used */
+ ctx->Const.VertexProgram.MaxOutputComponents = 64;
+
+ ctx->Const.FragmentProgram.MaxTextureImageUnits = 16;
+ ctx->Const.FragmentProgram.MaxUniformComponents = 1024;
+ ctx->Const.FragmentProgram.MaxInputComponents =
+ ctx->Const.VertexProgram.MaxOutputComponents;
+ ctx->Const.FragmentProgram.MaxOutputComponents = 0; /* not used */
+
+ ctx->Const.MaxVarying = ctx->Const.VertexProgram.MaxOutputComponents / 4;
+ break;
+ case 150:
+ case 330:
+ ctx->Const.MaxClipPlanes = 8;
+ ctx->Const.MaxDrawBuffers = 8;
+ ctx->Const.MinProgramTexelOffset = -8;
+ ctx->Const.MaxProgramTexelOffset = 7;
+ ctx->Const.MaxLights = 8;
+ ctx->Const.MaxTextureCoordUnits = 8;
+ ctx->Const.MaxTextureUnits = 2;
+
+ ctx->Const.VertexProgram.MaxAttribs = 16;
+ ctx->Const.VertexProgram.MaxTextureImageUnits = 16;
+ ctx->Const.VertexProgram.MaxUniformComponents = 1024;
+ ctx->Const.VertexProgram.MaxInputComponents = 0; /* not used */
+ ctx->Const.VertexProgram.MaxOutputComponents = 64;
+
+ ctx->Const.GeometryProgram.MaxTextureImageUnits = 16;
+ ctx->Const.GeometryProgram.MaxUniformComponents = 1024;
+ ctx->Const.GeometryProgram.MaxInputComponents =
+ ctx->Const.VertexProgram.MaxOutputComponents;
+ ctx->Const.GeometryProgram.MaxOutputComponents = 128;
+
+ ctx->Const.FragmentProgram.MaxTextureImageUnits = 16;
+ ctx->Const.FragmentProgram.MaxUniformComponents = 1024;
+ ctx->Const.FragmentProgram.MaxInputComponents =
+ ctx->Const.GeometryProgram.MaxOutputComponents;
+ ctx->Const.FragmentProgram.MaxOutputComponents = 0; /* not used */
+
+ ctx->Const.MaxCombinedTextureImageUnits =
+ ctx->Const.VertexProgram.MaxTextureImageUnits
+ + ctx->Const.GeometryProgram.MaxTextureImageUnits
+ + ctx->Const.FragmentProgram.MaxTextureImageUnits;
+
+ ctx->Const.MaxGeometryOutputVertices = 256;
+ ctx->Const.MaxGeometryTotalOutputComponents = 1024;
+
+// ctx->Const.MaxGeometryVaryingComponents = 64;
+
+ ctx->Const.MaxVarying = 60 / 4;
+ break;
+ case 300:
+ ctx->Const.MaxClipPlanes = 8;
+ ctx->Const.MaxCombinedTextureImageUnits = 32;
+ ctx->Const.MaxDrawBuffers = 4;
+ ctx->Const.MinProgramTexelOffset = -8;
+ ctx->Const.MaxProgramTexelOffset = 7;
+ ctx->Const.MaxLights = 0;
+ ctx->Const.MaxTextureCoordUnits = 0;
+ ctx->Const.MaxTextureUnits = 0;
+
+ ctx->Const.VertexProgram.MaxAttribs = 16;
+ ctx->Const.VertexProgram.MaxTextureImageUnits = 16;
+ ctx->Const.VertexProgram.MaxUniformComponents = 1024;
+ ctx->Const.VertexProgram.MaxInputComponents = 0; /* not used */
+ ctx->Const.VertexProgram.MaxOutputComponents = 16 * 4;
+
+ ctx->Const.FragmentProgram.MaxTextureImageUnits = 16;
+ ctx->Const.FragmentProgram.MaxUniformComponents = 224;
+ ctx->Const.FragmentProgram.MaxInputComponents = 15 * 4;
+ ctx->Const.FragmentProgram.MaxOutputComponents = 0; /* not used */
+
+ ctx->Const.MaxVarying = ctx->Const.FragmentProgram.MaxInputComponents / 4;
+ break;
+ }
-/* Returned string will have 'ctx' as its talloc owner. */
+ ctx->Driver.NewShader = _mesa_new_shader;
+}
+
+/* Returned string will have 'ctx' as its ralloc owner. */
static char *
-load_text_file(void *ctx, const char *file_name, size_t *size)
+load_text_file(void *ctx, const char *file_name)
{
char *text = NULL;
- struct stat st;
- ssize_t total_read = 0;
- int fd = open(file_name, O_RDONLY);
+ size_t size;
+ size_t total_read = 0;
+ FILE *fp = fopen(file_name, "rb");
- *size = 0;
- if (fd < 0) {
+ if (!fp) {
return NULL;
}
- if (fstat(fd, & st) == 0) {
- text = (char *) talloc_size(ctx, st.st_size + 1);
- if (text != NULL) {
- do {
- ssize_t bytes = read(fd, text + total_read,
- st.st_size - total_read);
- if (bytes < 0) {
- free(text);
- text = NULL;
- break;
- }
-
- if (bytes == 0) {
- break;
- }
-
- total_read += bytes;
- } while (total_read < st.st_size);
-
- text[total_read] = '\0';
- *size = total_read;
- }
+ fseek(fp, 0L, SEEK_END);
+ size = ftell(fp);
+ fseek(fp, 0L, SEEK_SET);
+
+ text = (char *) ralloc_size(ctx, size + 1);
+ if (text != NULL) {
+ do {
+ size_t bytes = fread(text + total_read,
+ 1, size - total_read, fp);
+ if (bytes < size - total_read) {
+ free(text);
+ text = NULL;
+ break;
+ }
+
+ if (bytes == 0) {
+ break;
+ }
+
+ total_read += bytes;
+ } while (total_read < size);
+
+ text[total_read] = '\0';
}
- close(fd);
+ fclose(fp);
return text;
}
-
-void
-usage_fail(const char *name)
-{
- printf("%s <filename.frag|filename.vert>\n", name);
- exit(EXIT_FAILURE);
-}
-
-
int dump_ast = 0;
int dump_hir = 0;
int dump_lir = 0;
int do_link = 0;
const struct option compiler_opts[] = {
- { "dump-ast", 0, &dump_ast, 1 },
- { "dump-hir", 0, &dump_hir, 1 },
- { "dump-lir", 0, &dump_lir, 1 },
- { "link", 0, &do_link, 1 },
+ { "dump-ast", no_argument, &dump_ast, 1 },
+ { "dump-hir", no_argument, &dump_hir, 1 },
+ { "dump-lir", no_argument, &dump_lir, 1 },
+ { "link", no_argument, &do_link, 1 },
+ { "version", required_argument, NULL, 'v' },
{ NULL, 0, NULL, 0 }
};
+/**
+ * \brief Print proper usage and exit with failure.
+ */
void
-compile_shader(struct glsl_shader *shader)
+usage_fail(const char *name)
{
- struct _mesa_glsl_parse_state *state;
-
- state = talloc_zero(talloc_parent(shader), struct _mesa_glsl_parse_state);
-
- switch (shader->Type) {
- case GL_VERTEX_SHADER: state->target = vertex_shader; break;
- case GL_FRAGMENT_SHADER: state->target = fragment_shader; break;
- case GL_GEOMETRY_SHADER: state->target = geometry_shader; break;
- }
-
- state->scanner = NULL;
- state->translation_unit.make_empty();
- state->symbols = new(shader) glsl_symbol_table;
- state->info_log = talloc_strdup(shader, "");
- state->error = false;
- state->temp_index = 0;
- state->loop_or_switch_nesting = NULL;
- state->ARB_texture_rectangle_enable = true;
-
- state->Const.MaxDrawBuffers = 2;
-
- /* Create a new context for the preprocessor output. Ultimately, this
- * should probably be the parser context, but there isn't one yet.
- */
- const char *source = shader->Source;
- state->error = preprocess(shader, &source, &state->info_log);
-
- if (!state->error) {
- _mesa_glsl_lexer_ctor(state, source);
- _mesa_glsl_parse(state);
- _mesa_glsl_lexer_dtor(state);
- }
- if (dump_ast) {
- foreach_list_const(n, &state->translation_unit) {
- ast_node *ast = exec_node_data(ast_node, n, link);
- ast->print();
- }
- printf("\n\n");
+ const char *header =
+ "usage: %s [options] <file.vert | file.geom | file.frag>\n"
+ "\n"
+ "Possible options are:\n";
+ printf(header, name, name);
+ for (const struct option *o = compiler_opts; o->name != 0; ++o) {
+ printf(" --%s\n", o->name);
}
+ exit(EXIT_FAILURE);
+}
- shader->ir.make_empty();
- if (!state->error && !state->translation_unit.is_empty())
- _mesa_ast_to_hir(&shader->ir, state);
-
- validate_ir_tree(&shader->ir);
-
- /* Print out the unoptimized IR. */
- if (!state->error && dump_hir) {
- _mesa_print_ir(&shader->ir, state);
- }
- /* Optimization passes */
- if (!state->error && !shader->ir.is_empty()) {
- bool progress;
- do {
- progress = false;
-
- progress = do_function_inlining(&shader->ir) || progress;
- progress = do_if_simplification(&shader->ir) || progress;
- progress = do_copy_propagation(&shader->ir) || progress;
- progress = do_dead_code_local(&shader->ir) || progress;
- progress = do_dead_code_unlinked(state, &shader->ir) || progress;
- progress = do_constant_variable_unlinked(&shader->ir) || progress;
- progress = do_constant_folding(&shader->ir) || progress;
- progress = do_vec_index_to_swizzle(&shader->ir) || progress;
- progress = do_swizzle_swizzle(&shader->ir) || progress;
- } while (progress);
- }
+void
+compile_shader(struct gl_context *ctx, struct gl_shader *shader)
+{
+ struct _mesa_glsl_parse_state *state =
+ new(shader) _mesa_glsl_parse_state(ctx, shader->Type, shader);
- validate_ir_tree(&shader->ir);
+ _mesa_glsl_compile_shader(ctx, shader, dump_ast, dump_hir);
/* Print out the resulting IR */
if (!state->error && dump_lir) {
- _mesa_print_ir(&shader->ir, state);
+ _mesa_print_ir(shader->ir, state);
}
- shader->symbols = state->symbols;
- shader->CompileStatus = !state->error;
-
- if (shader->InfoLog)
- talloc_free(shader->InfoLog);
-
- shader->InfoLog = state->info_log;
-
- talloc_free(state);
-
return;
}
main(int argc, char **argv)
{
int status = EXIT_SUCCESS;
+ struct gl_context local_ctx;
+ struct gl_context *ctx = &local_ctx;
+ bool glsl_es = false;
int c;
int idx = 0;
- while ((c = getopt_long(argc, argv, "", compiler_opts, &idx)) != -1)
- /* empty */ ;
+ while ((c = getopt_long(argc, argv, "", compiler_opts, &idx)) != -1) {
+ switch (c) {
+ case 'v':
+ glsl_version = strtol(optarg, NULL, 10);
+ switch (glsl_version) {
+ case 100:
+ case 300:
+ glsl_es = true;
+ break;
+ case 110:
+ case 120:
+ case 130:
+ case 140:
+ case 150:
+ case 330:
+ glsl_es = false;
+ break;
+ default:
+ fprintf(stderr, "Unrecognized GLSL version `%s'\n", optarg);
+ usage_fail(argv[0]);
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+ }
if (argc <= optind)
usage_fail(argv[0]);
- struct glsl_program *whole_program;
+ initialize_context(ctx, (glsl_es) ? API_OPENGLES2 : API_OPENGL_COMPAT);
+
+ struct gl_shader_program *whole_program;
- whole_program = talloc_zero (NULL, struct glsl_program);
+ whole_program = rzalloc (NULL, struct gl_shader_program);
assert(whole_program != NULL);
+ whole_program->InfoLog = ralloc_strdup(whole_program, "");
for (/* empty */; argc > optind; optind++) {
- whole_program->Shaders = (struct glsl_shader **)
- talloc_realloc(whole_program, whole_program->Shaders,
- struct glsl_shader *, whole_program->NumShaders + 1);
+ whole_program->Shaders =
+ reralloc(whole_program, whole_program->Shaders,
+ struct gl_shader *, whole_program->NumShaders + 1);
assert(whole_program->Shaders != NULL);
- struct glsl_shader *shader = talloc_zero(whole_program, glsl_shader);
+ struct gl_shader *shader = rzalloc(whole_program, gl_shader);
whole_program->Shaders[whole_program->NumShaders] = shader;
whole_program->NumShaders++;
usage_fail(argv[0]);
const char *const ext = & argv[optind][len - 5];
- if (strncmp(".vert", ext, 5) == 0)
+ if (strncmp(".vert", ext, 5) == 0 || strncmp(".glsl", ext, 5) == 0)
shader->Type = GL_VERTEX_SHADER;
else if (strncmp(".geom", ext, 5) == 0)
shader->Type = GL_GEOMETRY_SHADER;
else
usage_fail(argv[0]);
- shader->Source = load_text_file(whole_program,
- argv[optind], &shader->SourceLen);
+ shader->Source = load_text_file(whole_program, argv[optind]);
if (shader->Source == NULL) {
printf("File \"%s\" does not exist.\n", argv[optind]);
exit(EXIT_FAILURE);
}
- compile_shader(shader);
+ compile_shader(ctx, shader);
- if (!shader->CompileStatus) {
+ if (strlen(shader->InfoLog) > 0)
printf("Info log for %s:\n%s\n", argv[optind], shader->InfoLog);
+
+ if (!shader->CompileStatus) {
status = EXIT_FAILURE;
break;
}
}
if ((status == EXIT_SUCCESS) && do_link) {
- link_shaders(whole_program);
+ link_shaders(ctx, whole_program);
status = (whole_program->LinkStatus) ? EXIT_SUCCESS : EXIT_FAILURE;
+
+ if (strlen(whole_program->InfoLog) > 0)
+ printf("Info log for linking:\n%s\n", whole_program->InfoLog);
}
- talloc_free(whole_program);
+ for (unsigned i = 0; i < MESA_SHADER_TYPES; i++)
+ ralloc_free(whole_program->_LinkedShaders[i]);
+
+ ralloc_free(whole_program);
_mesa_glsl_release_types();
+ _mesa_glsl_release_builtin_functions();
return status;
}