* 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>
-
#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"
+
+extern "C" struct gl_shader *
+_mesa_new_shader(struct gl_context *ctx, GLuint name, GLenum type);
+
+extern "C" void
+_mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr,
+ struct gl_shader *sh);
+
+/* Copied from shader_api.c for the stand-alone compiler.
+ */
+void
+_mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr,
+ struct gl_shader *sh)
+{
+ *ptr = sh;
+}
+
+struct gl_shader *
+_mesa_new_shader(struct gl_context *ctx, GLuint name, GLenum type)
+{
+ struct gl_shader *shader;
-/* Returned string will have 'ctx' as its talloc owner. */
+ (void) ctx;
+
+ assert(type == GL_FRAGMENT_SHADER || type == GL_VERTEX_SHADER);
+ shader = rzalloc(NULL, struct gl_shader);
+ if (shader) {
+ shader->Type = type;
+ shader->Name = name;
+ shader->RefCount = 1;
+ }
+ return shader;
+}
+
+static void
+initialize_context(struct gl_context *ctx, gl_api api)
+{
+ memset(ctx, 0, sizeof(*ctx));
+
+ ctx->API = api;
+
+ ctx->Extensions.ARB_ES2_compatibility = GL_TRUE;
+ ctx->Extensions.ARB_draw_buffers = GL_TRUE;
+ ctx->Extensions.ARB_draw_instanced = GL_TRUE;
+ ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE;
+ ctx->Extensions.EXT_texture_array = GL_TRUE;
+ ctx->Extensions.NV_texture_rectangle = GL_TRUE;
+ ctx->Extensions.EXT_texture3D = GL_TRUE;
+
+ /* GLSL 1.30 isn't fully supported, but we need to advertise 1.30 so that
+ * the built-in functions for 1.30 can be built.
+ */
+ ctx->Const.GLSLVersion = 130;
+
+ /* 1.10 minimums. */
+ ctx->Const.MaxLights = 8;
+ ctx->Const.MaxClipPlanes = 8;
+ ctx->Const.MaxTextureUnits = 2;
+
+ /* More than the 1.10 minimum to appease parser tests taken from
+ * apps that (hopefully) already checked the number of coords.
+ */
+ ctx->Const.MaxTextureCoordUnits = 4;
+
+ ctx->Const.VertexProgram.MaxAttribs = 16;
+ ctx->Const.VertexProgram.MaxUniformComponents = 512;
+ ctx->Const.MaxVarying = 8;
+ ctx->Const.MaxVertexTextureImageUnits = 0;
+ ctx->Const.MaxCombinedTextureImageUnits = 2;
+ ctx->Const.MaxTextureImageUnits = 2;
+ ctx->Const.FragmentProgram.MaxUniformComponents = 64;
+
+ ctx->Const.MaxDrawBuffers = 2;
+
+ 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 glsl_es = 0;
int dump_ast = 0;
+int dump_hir = 0;
int dump_lir = 0;
int do_link = 0;
const struct option compiler_opts[] = {
+ { "glsl-es", 0, &glsl_es, 1 },
{ "dump-ast", 0, &dump_ast, 1 },
+ { "dump-hir", 0, &dump_hir, 1 },
{ "dump-lir", 0, &dump_lir, 1 },
{ "link", 0, &do_link, 1 },
{ 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;
+ 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);
+}
+
+
+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);
- 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;
-
- /* 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);
+ state->error = preprocess(state, &source, &state->info_log,
+ state->extensions, ctx->API) != 0;
if (!state->error) {
_mesa_glsl_lexer_ctor(state, source);
printf("\n\n");
}
- shader->ir.make_empty();
+ shader->ir = new(shader) exec_list;
if (!state->error && !state->translation_unit.is_empty())
- _mesa_ast_to_hir(&shader->ir, state);
+ _mesa_ast_to_hir(shader->ir, state);
- validate_ir_tree(&shader->ir);
+ /* Print out the unoptimized IR. */
+ if (!state->error && dump_hir) {
+ validate_ir_tree(shader->ir);
+ _mesa_print_ir(shader->ir, state);
+ }
/* Optimization passes */
- if (!state->error && !shader->ir.is_empty()) {
+ 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;
+ progress = do_common_optimization(shader->ir, false, 32);
} while (progress);
+
+ validate_ir_tree(shader->ir);
}
- validate_ir_tree(&shader->ir);
/* 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;
+ shader->Version = state->language_version;
+ memcpy(shader->builtins_to_link, state->builtins_to_link,
+ sizeof(shader->builtins_to_link[0]) * state->num_builtins_to_link);
+ shader->num_builtins_to_link = state->num_builtins_to_link;
if (shader->InfoLog)
- talloc_free(shader->InfoLog);
+ ralloc_free(shader->InfoLog);
shader->InfoLog = state->info_log;
- talloc_free(state);
+ /* Retain any live IR, but trash the rest. */
+ reparent_ir(shader->ir, shader);
+
+ ralloc_free(state);
return;
}
main(int argc, char **argv)
{
int status = EXIT_SUCCESS;
+ struct gl_context local_ctx;
+ struct gl_context *ctx = &local_ctx;
int c;
int idx = 0;
if (argc <= optind)
usage_fail(argv[0]);
- struct glsl_program *whole_program;
+ initialize_context(ctx, (glsl_es) ? API_OPENGLES2 : API_OPENGL);
+
+ 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);
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++;
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) {
printf("Info log for %s:\n%s\n", argv[optind], shader->InfoLog);
}
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_functions();
return status;
}
projects / mesa.git / blobdiff