X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=glretrace.py;h=d397a90a7cfb51740d1476cdd43cf3e9912d21f3;hb=03f63614269340859719e448bc70458df835390e;hp=54b8e0e5f1f7c49920dbeeccf8bbca566848da86;hpb=adc2d0d9ffdf1234fb0beaf14a1bf1c70ed0399c;p=apitrace

diff --git a/glretrace.py b/glretrace.py
index 54b8e0e..d397a90 100644
--- a/glretrace.py
+++ b/glretrace.py
@@ -24,150 +24,308 @@
 ##########################################################################/
 
 
-import base
-import gl
+"""GL retracer generator."""
 
 
+import stdapi
+import glapi
+from retrace import Retracer
 
-class ConstRemover(base.Rebuilder):
 
-    def visit_const(self, const):
-        return const.type
+class GlRetracer(Retracer):
 
-    def visit_opaque(self, opaque):
-        expr = opaque.expr
-        if expr.startswith('const '):
-            expr = expr[6:]
-        return base.Opaque(expr)
+    def retrace_function(self, function):
+        Retracer.retrace_function(self, function)
 
+    draw_array_function_names = set([
+        "glDrawArrays",
+        "glDrawArraysEXT",
+        "glDrawArraysIndirect",
+        "glDrawArraysInstanced",
+        "glDrawArraysInstancedARB",
+        "glDrawArraysInstancedEXT",
+        "glDrawMeshArraysSUN",
+        "glMultiDrawArrays",
+        "glMultiDrawArraysEXT",
+        "glMultiModeDrawArraysIBM",
+    ])
 
-class ValueExtractor(base.Visitor):
+    draw_elements_function_names = set([
+        "glDrawElements",
+        "glDrawElementsBaseVertex",
+        "glDrawElementsIndirect",
+        "glDrawElementsInstanced",
+        "glDrawElementsInstancedARB",
+        "glDrawElementsInstancedBaseVertex",
+        "glDrawElementsInstancedEXT",
+        "glDrawRangeElements",
+        "glDrawRangeElementsBaseVertex",
+        "glDrawRangeElementsEXT",
+        "glMultiDrawElements",
+        "glMultiDrawElementsBaseVertex",
+        "glMultiDrawElementsEXT",
+        "glMultiModeDrawElementsIBM",
+    ])
 
-    def visit_literal(self, literal, lvalue, rvalue):
-        print '    %s = %s;' % (lvalue, rvalue)
+    def call_function(self, function):
+        if (function.name in self.draw_array_function_names or 
+            function.name in self.draw_elements_function_names):
+            print '    GLint __array_buffer = 0;'
+            print '    glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &__array_buffer);'
+            print '    if (!__array_buffer) {'
+            self.fail_function(function)
+            print '    }'
 
-    def visit_alias(self, alias, lvalue, rvalue):
-        self.visit(alias.type, lvalue, rvalue)
-    
-    def visit_enum(self, enum, lvalue, rvalue):
-        print '    %s = %s;' % (lvalue, rvalue)
-
-    def visit_bitmask(self, bitmask, lvalue, rvalue):
-        self.visit(bitmask.type, lvalue, rvalue)
-
-    def visit_array(self, array, lvalue, rvalue):
-        print '    const Trace::Array *__a%s = dynamic_cast<const Trace::Array *>(&%s);' % (array.id, rvalue)
-        print '    if (__a%s) {' % (array.id)
-        length = '__a%s->values.size()' % array.id
-        print '        %s = new %s[%s];' % (lvalue, array.type, length)
-        index = '__i' + array.id
-        print '        for(size_t {i} = 0; {i} < {length}; ++{i}) {{'.format(i = index, length = length)
-        try:
-            self.visit(array.type, '%s[%s]' % (lvalue, index), '*__a%s->values[%s]' % (array.id, index))
-        finally:
-            print '        }'
-            print '    } else {'
-            print '        %s = NULL;' % lvalue
+        if function.name in self.draw_elements_function_names:
+            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 '    }'
 
-    def visit_blob(self, blob, lvalue, rvalue):
-        print '    %s = static_cast<%s>((%s).blob());' % (lvalue, blob, rvalue)
-    
-    def visit_string(self, string, lvalue, rvalue):
-        print '    %s = (%s).string();' % (lvalue, rvalue)
-
-
-
-def retrace_function(function):
-    print 'static void retrace_%s(Trace::Call &call) {' % function.name
-    success = True
-    for arg in function.args:
-        arg.type = ConstRemover().visit(arg.type)
-        print '    %s %s;' % (arg.type, arg.name)
-        rvalue = 'call.arg("%s")' % (arg.name,)
-        lvalue = arg.name
-        try:
-            ValueExtractor().visit(arg.type, lvalue, rvalue)
-        except NotImplementedError:
-            success = False
-            print '    %s = 0; // FIXME' % arg.name
-    if not success:
-        print '    std::cerr << "warning: unsupported call %s\\n";' % function.name
-        print '    return;'
-    arg_names = ", ".join([arg.name for arg in function.args])
-    print '    %s(%s);' % (function.name, arg_names)
-    print '}'
-    print
-
-
-def retrace_functions(functions):
-    for function in functions:
-        if function.sideeffects:
-            retrace_function(function)
-
-    print 'static bool retrace_call(Trace::Call &call) {'
-    for function in functions:
-        if not function.sideeffects:
-            print '    if (call.name == "%s") {' % function.name
-            print '        return true;'
+        if function.name == "glViewport":
+            print '    if (x + width > __window_width) {'
+            print '        __window_width = x + width;'
+            print '        __reshape_window = true;'
             print '    }'
-    print
-    print '    std::cout << call;'
-    print '    std::cout.flush();'
-    print
-    for function in functions:
-        if function.sideeffects:
-            print '    if (call.name == "%s") {' % function.name
-            print '        retrace_%s(call);' % function.name
-            print '        return true;'
+            print '    if (y + height > __window_height) {'
+            print '        __window_height = y + height;'
+            print '        __reshape_window = true;'
             print '    }'
-    print '    std::cerr << "warning: unsupported call " << call.name << "\\n";'
-    print '    return false;'
-    print '}'
-    print
+
+        if function.name == "glEnd":
+            print '    insideGlBeginEnd = false;'
+        
+        Retracer.call_function(self, function)
+
+        if function.name == "glBegin":
+            print '    insideGlBeginEnd = true;'
+        else:
+            # glGetError is not allowed inside glBegin/glEnd
+            print '    checkGlError();'
+
+    pointer_function_names = set([
+        "glColorPointer",
+        "glColorPointerEXT",
+        "glEdgeFlagPointer",
+        "glEdgeFlagPointerEXT",
+        "glFogCoordPointer",
+        "glFogCoordPointerEXT",
+        "glIndexPointer",
+        "glIndexPointerEXT",
+        "glMatrixIndexPointerARB",
+        "glNormalPointer",
+        "glNormalPointerEXT",
+        "glSecondaryColorPointer",
+        "glSecondaryColorPointerEXT",
+        "glTexCoordPointer",
+        "glTexCoordPointerEXT",
+        "glVertexAttribLPointer",
+        "glVertexAttribPointer",
+        "glVertexAttribPointerARB",
+        "glVertexAttribPointerNV",
+        "glVertexPointer",
+        "glVertexPointerEXT",
+    ])
+
+    def extract_arg(self, function, arg, arg_type, lvalue, rvalue):
+        if (function.name in self.pointer_function_names and arg.name == 'pointer' or
+            function.name in self.draw_elements_function_names and arg.name == 'indices'):
+            self.extract_pointer(function, arg, arg_type, lvalue, rvalue)
+        else:
+            Retracer.extract_arg(self, function, arg, arg_type, lvalue, rvalue)
+
+    def extract_pointer(self, function, arg, arg_type, lvalue, rvalue):
+        print '    if (dynamic_cast<Trace::Null *>(&%s)) {' % rvalue
+        print '        %s = 0;' % (lvalue)
+        print '    } else {'
+        print '        %s = (%s)(uintptr_t)(%s);' % (lvalue, arg_type, rvalue)
+        print '    }'
 
 
 if __name__ == '__main__':
-    print
-    print '#include <stdlib.h>'
-    print '#include <string.h>'
-    print '#include <GL/glew.h>'
-    print '#include <GL/glut.h>'
-    print
-    print '#include "trace_parser.hpp"'
-    print
+    print r'''
+#include <string.h>
+#include <iostream>
 
-    functions = gl.basic_functions(base.Function) + gl.extended_functions(base.Function)
-    retrace_functions(functions)
+#include "glproc.hpp"
+#include <GL/glut.h>
 
-    print '''
+static bool double_buffer = false;
+static bool insideGlBeginEnd = false;
 
-class Retracer : public Trace::Parser
-{
-    void handle_call(Trace::Call &call) {
-        if (call.name == "wglSwapBuffers" ||
-            call.name == "glXSwapBuffers") {
+static int __window_width = 256, __window_height = 256;
+bool __reshape_window = false;
+
+unsigned __frame = 0;
+long long __startTime = 0;
+bool __screenshots = 0;
+
+
+static void
+checkGlError(void) {
+    if (insideGlBeginEnd) {
+        return;
+    }
+
+    GLenum error = glGetError();
+    if (error == GL_NO_ERROR) {
+        return;
+    }
+
+    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";
+}
+'''
+    api = glapi.glapi
+    retracer = GlRetracer()
+    retracer.retrace_api(glapi.glapi)
+    print r'''
+
+static Trace::Parser parser;
+
+static void display_noop(void) {
+}
+
+#include "bmp.hpp"
+
+static void frame_complete(void) {
+    ++__frame;
+    
+    if (__screenshots && !__reshape_window) {
+        char filename[PATH_MAX];
+        snprintf(filename, sizeof filename, "screenshot_%04u.bmp", __frame);
+        unsigned char *pixels = new unsigned char[__window_height*__window_width*4];
+        glReadPixels(0, 0, __window_width, __window_height, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
+        BMP::write(filename, pixels, __window_width, __window_height, __window_width*4);
+    }
+
+}
+
+static void display(void) {
+    Trace::Call *call;
+
+    while ((call = parser.parse_call())) {
+        if (call->name() == "glFlush") {
             glFlush();
-            return;
+            if (!double_buffer) {
+                frame_complete();
+            }
+        }
+        
+        if (!retrace_call(*call)) {
+            if (call->name() == "glXSwapBuffers" ||
+                call->name() == "wglSwapBuffers") {
+                if (double_buffer)
+                    glutSwapBuffers();
+                else
+                    glFlush();
+                frame_complete();
+                return;
+            }
         }
-        retrace_call(call);
     }
-};
+
+    // Reached the end of trace
+    glFlush();
+
+    long long endTime = OS::GetTime();
+    float timeInterval = (endTime - __startTime) * 1.0E-6;
+
+    std::cout << 
+        "Rendered " << __frame << " frames"
+        " in " <<  timeInterval << " secs,"
+        " average of " << (__frame/timeInterval) << " fps\n";
+
+    glutDisplayFunc(&display_noop);
+    glutIdleFunc(NULL);
+}
+
+static void idle(void) {
+    if (__reshape_window) {
+        // XXX: doesn't quite work
+        glutReshapeWindow(__window_width, __window_height);
+        __reshape_window = false;
+    }
+    glutPostRedisplay();
+}
 
 int main(int argc, char **argv)
 {
-   glutInit(&argc, argv);
-   glutInitWindowPosition( 0, 0 );
-   glutInitWindowSize( 800, 600 );
-   glutInitDisplayMode( GLUT_DEPTH | GLUT_RGB | GLUT_SINGLE );
-   glutCreateWindow(argv[0]);
-   glewInit();
-   for (int i = 1; i < argc; ++i) {
-      Retracer p;
-      p.parse(argv[i]);
-      glutMainLoop();
-   }
-   return 0;
+
+    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, "-s")) {
+            __screenshots = true;
+        } else if (!strcmp(arg, "-v")) {
+            ++verbosity;
+        } else {
+            std::cerr << "error: unknown option " << arg << "\n";
+            return 1;
+        }
+    }
+
+    glutInit(&argc, argv);
+    glutInitWindowPosition(0, 0);
+    glutInitWindowSize(__window_width, __window_height);
+    glutInitDisplayMode(GLUT_DEPTH | GLUT_RGB | (double_buffer ? GLUT_DOUBLE : GLUT_SINGLE));
+    glutCreateWindow(argv[0]);
+
+    glutDisplayFunc(&display);
+    glutIdleFunc(&idle);
+
+    for (GLuint h = 0; h < 1024; ++h) {
+        __list_map[h] = h;
+    }
+
+    for ( ; i < argc; ++i) {
+        if (parser.open(argv[i])) {
+            __startTime = OS::GetTime();
+            glutMainLoop();
+            parser.close();
+        }
+    }
+
+    return 0;
 }
 
-'''   
+'''