##########################################################################/
+"""GL retracer generator."""
+
+
import stdapi
import glapi
-import retrace
-
+from retrace import Retracer
+
+
+class GlRetracer(Retracer):
+
+ def retrace_function(self, function):
+ Retracer.retrace_function(self, function)
+
+ array_pointer_function_names = set((
+ "glVertexPointer",
+ "glNormalPointer",
+ "glColorPointer",
+ "glIndexPointer",
+ "glTexCoordPointer",
+ "glEdgeFlagPointer",
+ "glFogCoordPointer",
+ "glSecondaryColorPointer",
+
+ "glInterleavedArrays",
+
+ #"glVertexPointerEXT",
+ #"glNormalPointerEXT",
+ #"glColorPointerEXT",
+ #"glIndexPointerEXT",
+ #"glTexCoordPointerEXT",
+ #"glEdgeFlagPointerEXT",
+ #"glFogCoordPointerEXT",
+ #"glSecondaryColorPointerEXT",
+
+ "glVertexAttribPointer",
+ "glVertexAttribPointerARB",
+ "glVertexAttribPointerNV",
+ "glVertexAttribLPointer",
+ "glVertexAttribLPointerEXT",
+
+ #"glMatrixIndexPointerARB",
+ ))
+
+ draw_array_function_names = set([
+ "glDrawArrays",
+ "glDrawArraysEXT",
+ "glDrawArraysIndirect",
+ "glDrawArraysInstanced",
+ "glDrawArraysInstancedARB",
+ "glDrawArraysInstancedEXT",
+ "glDrawMeshArraysSUN",
+ "glMultiDrawArrays",
+ "glMultiDrawArraysEXT",
+ "glMultiModeDrawArraysIBM",
+ ])
+
+ draw_elements_function_names = set([
+ "glDrawElements",
+ "glDrawElementsBaseVertex",
+ "glDrawElementsIndirect",
+ "glDrawElementsInstanced",
+ "glDrawElementsInstancedARB",
+ "glDrawElementsInstancedBaseVertex",
+ "glDrawElementsInstancedEXT",
+ "glDrawRangeElements",
+ "glDrawRangeElementsBaseVertex",
+ "glDrawRangeElementsEXT",
+ #"glMultiDrawElements",
+ #"glMultiDrawElementsBaseVertex",
+ #"glMultiDrawElementsEXT",
+ #"glMultiModeDrawElementsIBM",
+ ])
+
+ def retrace_function_body(self, function):
+ is_array_pointer = function.name in self.array_pointer_function_names
+ is_draw_array = function.name in self.draw_array_function_names
+ is_draw_elements = function.name in self.draw_elements_function_names
+
+ if is_array_pointer or is_draw_array or is_draw_elements:
+ print ' if (Trace::Parser::version < 1) {'
+
+ if is_array_pointer or is_draw_array:
+ print ' GLint __array_buffer = 0;'
+ print ' glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &__array_buffer);'
+ print ' if (!__array_buffer) {'
+ self.fail_function(function)
+ print ' }'
+
+ if is_draw_elements:
+ print ' GLint __element_array_buffer = 0;'
+ print ' glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &__element_array_buffer);'
+ print ' if (!__element_array_buffer) {'
+ self.fail_function(function)
+ print ' }'
+
+ print ' }'
+
+ Retracer.retrace_function_body(self, function)
+
+ def call_function(self, function):
+ if function.name == "glViewport":
+ print ' bool reshape_window = false;'
+ print ' if (x + width > glretrace::window_width) {'
+ print ' glretrace::window_width = x + width;'
+ print ' reshape_window = true;'
+ print ' }'
+ print ' if (y + height > glretrace::window_height) {'
+ print ' glretrace::window_height = y + height;'
+ print ' reshape_window = true;'
+ print ' }'
+ print ' if (reshape_window) {'
+ print ' // XXX: does not always work'
+ print ' glretrace::drawable->resize(glretrace::window_width, glretrace::window_height);'
+ print ' reshape_window = false;'
+ print ' }'
+
+ if function.name == "glEnd":
+ print ' glretrace::insideGlBeginEnd = false;'
+
+ Retracer.call_function(self, function)
+
+ if function.name == "glBegin":
+ print ' glretrace::insideGlBeginEnd = true;'
+ else:
+ # glGetError is not allowed inside glBegin/glEnd
+ print ' glretrace::checkGlError();'
+
+ def extract_arg(self, function, arg, arg_type, lvalue, rvalue):
+ if function.name in self.array_pointer_function_names and arg.name == 'pointer':
+ print ' %s = %s.blob();' % (lvalue, rvalue)
+ return
+
+ if function.name in self.draw_elements_function_names and arg.name == 'indices':
+ print ' %s = %s.blob();' % (lvalue, rvalue)
+ return
+
+ if function.name.startswith('glUniform') and function.args[0].name == arg.name == 'location':
+ print ' GLint program = -1;'
+ print ' glGetIntegerv(GL_CURRENT_PROGRAM, &program);'
+
+ Retracer.extract_arg(self, function, arg, arg_type, lvalue, rvalue)
-class GlRetracer(retrace.Retracer):
- pass
+if __name__ == '__main__':
+ print r'''
+#include "glproc.hpp"
+#include "glretrace.hpp"
-if __name__ == '__main__':
- print
- print '#include <stdlib.h>'
- print '#include <string.h>'
- print
- print '#ifdef WIN32'
- print '#include <windows.h>'
- print '#endif'
- print
- print '#include <GL/glew.h>'
- print '#include <GL/glut.h>'
- print
- print 'static bool double_buffer = false;'
- print
+'''
api = glapi.glapi
retracer = GlRetracer()
retracer.retrace_api(glapi.glapi)
- print '''
-
-Trace::Parser parser;
-
-static bool insideGlBeginEnd;
-
-static void display(void) {
- Trace::Call *call;
-
- while ((call = parser.parse_call())) {
- if (call->name == "glFlush") {
- glFlush();
- return;
- }
-
- if (call->name == "glXSwapBuffers" ||
- call->name == "wglSwapBuffers") {
- if (double_buffer)
- glutSwapBuffers();
- else
- glFlush();
- return;
- }
-
- retrace_call(*call);
-
- if (call->name == "glBegin") {
- insideGlBeginEnd = true;
- }
-
- if (call->name == "glEnd") {
- insideGlBeginEnd = false;
- }
-
- if (!insideGlBeginEnd) {
- GLenum error = glGetError();
- if (error != GL_NO_ERROR) {
- std::cerr << "warning: glGetError() = ";
- switch (error) {
- case GL_INVALID_ENUM:
- std::cerr << "GL_INVALID_ENUM";
- break;
- case GL_INVALID_VALUE:
- std::cerr << "GL_INVALID_VALUE";
- break;
- case GL_INVALID_OPERATION:
- std::cerr << "GL_INVALID_OPERATION";
- break;
- case GL_STACK_OVERFLOW:
- std::cerr << "GL_STACK_OVERFLOW";
- break;
- case GL_STACK_UNDERFLOW:
- std::cerr << "GL_STACK_UNDERFLOW";
- break;
- case GL_OUT_OF_MEMORY:
- std::cerr << "GL_OUT_OF_MEMORY";
- break;
- case GL_INVALID_FRAMEBUFFER_OPERATION:
- std::cerr << "GL_INVALID_FRAMEBUFFER_OPERATION";
- break;
- case GL_TABLE_TOO_LARGE:
- std::cerr << "GL_TABLE_TOO_LARGE";
- break;
- default:
- std::cerr << error;
- break;
- }
- std::cerr << "\\n";
- }
- }
- }
-
- glFlush();
- glutIdleFunc(NULL);
-}
-
-static void idle(void) {
- glutPostRedisplay();
-}
-
-int main(int argc, char **argv)
-{
-
- int i;
- for (i = 1; i < argc; ++i) {
- const char *arg = argv[i];
-
- if (arg[0] != '-') {
- break;
- }
-
- if (!strcmp(arg, "--")) {
- break;
- }
- else if (!strcmp(arg, "-db")) {
- double_buffer = true;
- } else if (!strcmp(arg, "-v")) {
- ++verbosity;
- } else {
- std::cerr << "error: unknown option " << arg << "\\n";
- return 1;
- }
- }
-
- glutInit(&argc, argv);
- glutInitWindowPosition(0, 0);
- glutInitWindowSize(800, 600);
- glutInitDisplayMode(GLUT_DEPTH | GLUT_RGB | (double_buffer ? GLUT_DOUBLE : GLUT_SINGLE));
- glutCreateWindow(argv[0]);
- glewInit();
-
- glutDisplayFunc(&display);
- glutIdleFunc(&idle);
-
- for (GLuint h = 0; h < 1024; ++h) {
- __list_map[h] = h;
- }
-
- for ( ; i < argc; ++i) {
- if (parser.open(argv[i])) {
- glutMainLoop();
- parser.close();
- }
- }
-
- return 0;
-}
-
-'''
projects / apitrace / blobdiff