* 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"
-
-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;
-
- (void) ctx;
-
- assert(type == GL_FRAGMENT_SHADER || type == GL_VERTEX_SHADER);
- shader = talloc_zero(NULL, struct gl_shader);
- if (shader) {
- shader->Type = type;
- shader->Name = name;
- shader->RefCount = 1;
- }
- return shader;
-}
+#include "standalone_scaffolding.h"
static void
initialize_context(struct gl_context *ctx, gl_api api)
{
- memset(ctx, 0, sizeof(*ctx));
-
- ctx->API = api;
+ initialize_context_to_defaults(ctx, api);
- ctx->Extensions.ARB_draw_buffers = GL_TRUE;
- ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE;
- ctx->Extensions.EXT_texture_array = GL_TRUE;
- ctx->Extensions.NV_texture_rectangle = GL_TRUE;
+ /* The standalone compiler needs to claim support for almost
+ * everything in order to compile the built-in functions.
+ */
+ ctx->Const.GLSLVersion = 140;
- /* 1.10 minimums. */
- ctx->Const.MaxLights = 8;
ctx->Const.MaxClipPlanes = 8;
- ctx->Const.MaxTextureUnits = 2;
+ ctx->Const.MaxDrawBuffers = 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 talloc owner. */
+/* Returned string will have 'ctx' as its ralloc owner. */
static char *
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");
- 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';
- }
+ 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;
}
const char *source = shader->Source;
state->error = preprocess(state, &source, &state->info_log,
- state->extensions, ctx->API);
+ state->extensions, ctx->API) != 0;
if (!state->error) {
_mesa_glsl_lexer_ctor(state, source);
if (!state->error && !shader->ir->is_empty()) {
bool progress;
do {
- progress = do_common_optimization(shader->ir, false, 32);
+ progress = do_common_optimization(shader->ir, false, false, 32);
} while (progress);
validate_ir_tree(shader->ir);
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;
/* Retain any live IR, but trash the rest. */
reparent_ir(shader->ir, shader);
- talloc_free(state);
+ ralloc_free(state);
return;
}
struct gl_shader_program *whole_program;
- whole_program = talloc_zero (NULL, struct gl_shader_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 gl_shader **)
- talloc_realloc(whole_program, whole_program->Shaders,
- struct gl_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 gl_shader *shader = talloc_zero(whole_program, gl_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;
}
for (unsigned i = 0; i < MESA_SHADER_TYPES; i++)
- talloc_free(whole_program->_LinkedShaders[i]);
+ ralloc_free(whole_program->_LinkedShaders[i]);
- talloc_free(whole_program);
+ ralloc_free(whole_program);
_mesa_glsl_release_types();
_mesa_glsl_release_functions();
projects / mesa.git / blobdiff