X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;ds=sidebyside;f=glretrace.py;h=f809b9e9502bb0b518f1d9f2da1154e14462dad3;hb=87f1971616e4da6bc42acd1826fb3fc69a4d3ec1;hp=49a467a1c6ba1408e0693f7cd08b0f000b6c30b8;hpb=501f286cc204a80469885da32c1ca87640ad91fc;p=apitrace

diff --git a/glretrace.py b/glretrace.py
index 49a467a..f809b9e 100644
--- a/glretrace.py
+++ b/glretrace.py
@@ -24,115 +24,367 @@
 ##########################################################################/
 
 
-import base
-from glx import libgl
+"""GL retracer generator."""
 
 
-def is_arg_supported(arg_type):
-    if isinstance(arg_type, (base.Literal, base._String, base.Enum)):
-        return True
-    if isinstance(arg_type, (base.Alias, base.Flags)):
-        return is_arg_supported(arg_type.type)
-    return False
+import stdapi
+import glapi
+from retrace import Retracer
 
 
-def is_function_supported(function):
-    for arg_type, arg_name in function.args:
-        if not is_arg_supported(arg_type):
-            return False
-    return True
+class GlRetracer(Retracer):
 
+    def retrace_function(self, function):
+        Retracer.retrace_function(self, function)
 
-class ValueExtractor(base.Visitor):
+    draw_array_function_names = set([
+        "glDrawArrays",
+        "glDrawArraysEXT",
+        "glDrawArraysIndirect",
+        "glDrawArraysInstanced",
+        "glDrawArraysInstancedARB",
+        "glDrawArraysInstancedEXT",
+        "glDrawMeshArraysSUN",
+        "glMultiDrawArrays",
+        "glMultiDrawArraysEXT",
+        "glMultiModeDrawArraysIBM",
+    ])
 
-    def visit_literal(self, type, lvalue, rvalue):
-        #print '    %s = static_cast<%s>(Trace::as%s(%s));' % (lvalue, type, type.format, rvalue)
-        print '    %s = Trace::as%s(%s);' % (lvalue, type.format, rvalue)
+    draw_elements_function_names = set([
+        "glDrawElements",
+        "glDrawElementsBaseVertex",
+        "glDrawElementsIndirect",
+        "glDrawElementsInstanced",
+        "glDrawElementsInstancedARB",
+        "glDrawElementsInstancedBaseVertex",
+        "glDrawElementsInstancedEXT",
+        "glDrawRangeElements",
+        "glDrawRangeElementsBaseVertex",
+        "glDrawRangeElementsEXT",
+        "glMultiDrawElements",
+        "glMultiDrawElementsBaseVertex",
+        "glMultiDrawElementsEXT",
+        "glMultiModeDrawElementsIBM",
+    ])
 
-    def visit_alias(self, type, lvalue, rvalue):
-        self.visit(type.type, lvalue, rvalue)
-    
-    def visit_enum(self, type, lvalue, rvalue):
-        #print '    %s = static_cast<%s>(Trace::as%s(%s));' % (lvalue, type, 'SInt', rvalue)
-        print '    %s = Trace::as%s(%s);' % (lvalue, 'SInt', rvalue)
-
-    def visit_bitmask(self, type, lvalue, rvalue):
-        self.visit(type.type, lvalue, rvalue)
-
-
-
-def retrace_function(function):
-    print 'static void retrace_%s(Trace::Call &call) {' % function.name
-    if not function.name.startswith('glX'):
-        success = True
-        for arg_type, arg_name in function.args:
-            print '    %s %s;' % (arg_type, arg_name)
-        for arg_type, arg_name in function.args:
-            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_type, arg_name in function.args])
-        print '    %s(%s);' % (function.name, arg_names)
-    print '}'
-    print
+    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 '    }'
+
+        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 '    }'
+
+        if function.name == "glViewport":
+            print '    if (x + width > __window_width) {'
+            print '        __window_width = x + width;'
+            print '        __reshape_window = true;'
+            print '    }'
+            print '    if (y + height > __window_height) {'
+            print '        __window_height = y + height;'
+            print '        __reshape_window = true;'
+            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'):
+            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 '    }'
+            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)
 
 
 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
-
-    functions = filter(is_function_supported, libgl.functions)
-   
-    for function in libgl.functions:
-        retrace_function(function)
-
-    print 'static bool retrace_call(Trace::Call &call) {'
-    for function in libgl.functions:
-        print '    if (call.name == "%s") {' % function.name
-        print '        retrace_%s(call);' % function.name
-        print '        return true;'
-        print '    }'
-    print '    std::cerr << "warning: unsupported call " << call.name << "\\n";'
-    print '    return false;'
-    print '}'
-    print '''
-
-class Retracer : public Trace::Parser
-{
-    void handle_call(Trace::Call &call) {
-        std::cout << call;
-        std::cout.flush();
-        retrace_call(call);
+    print r'''
+#include <string.h>
+#include <stdio.h>
+#include <iostream>
+
+#include "glproc.hpp"
+#include <GL/glut.h>
+
+static bool double_buffer = false;
+static bool insideGlBeginEnd = false;
+
+static int __window_width = 256, __window_height = 256;
+bool __reshape_window = false;
+
+unsigned __frame = 0;
+long long __startTime = 0;
+bool __wait = false;
+
+const char *__compare_prefix = NULL;
+const char *__snapshot_prefix = NULL;
+
+
+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 "image.hpp"
+
+static void frame_complete(void) {
+    ++__frame;
+    
+    if (!__reshape_window && (__snapshot_prefix || __compare_prefix)) {
+        Image::Image *ref = NULL;
+        if (__compare_prefix) {
+            char filename[PATH_MAX];
+            snprintf(filename, sizeof filename, "%s%04u.png", __compare_prefix, __frame);
+            ref = Image::readPNG(filename);
+            if (!ref) {
+                return;
+            }
+            if (verbosity)
+                std::cout << "Read " << filename << "\n";
+        }
+        
+        Image::Image src(__window_width, __window_height, true);
+        glReadPixels(0, 0, __window_width, __window_height, GL_RGBA, GL_UNSIGNED_BYTE, src.pixels);
+
+        if (__snapshot_prefix) {
+            char filename[PATH_MAX];
+            snprintf(filename, sizeof filename, "%s%04u.png", __snapshot_prefix, __frame);
+            if (src.writePNG(filename) && verbosity) {
+                std::cout << "Wrote " << filename << "\n";
+            }
+        }
+
+        if (ref) {
+            std::cout << "Frame " << __frame << " average precision of " << src.compare(*ref) << " bits\n";
+            delete ref;
+        }
+    }
+
+}
+
+static void display(void) {
+    Trace::Call *call;
+
+    while ((call = parser.parse_call())) {
+        const std::string &name = call->name();
+
+        if ((name[0] == 'w' && name[1] == 'g' && name[2] == 'l') ||
+            (name[0] == 'g' && name[1] == 'l' && name[2] == 'X')) {
+            // XXX: We ignore the majority of the OS-specific calls for now
+            if (name == "glXSwapBuffers" ||
+                name == "wglSwapBuffers") {
+                if (double_buffer)
+                    glutSwapBuffers();
+                else
+                    glFlush();
+                frame_complete();
+                return;
+            } else {
+                continue;
+            }
+        }
+
+        if (name == "glFlush") {
+            glFlush();
+            if (!double_buffer) {
+                frame_complete();
+            }
+        }
+        
+        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";
+
+    if (__wait) {
+        glutDisplayFunc(&display_noop);
+        glutIdleFunc(NULL);
+    } else {
+        exit(0);
+    }
+}
+
+static void idle(void) {
+    if (__reshape_window) {
+        // XXX: doesn't quite work
+        glutReshapeWindow(__window_width, __window_height);
+        __reshape_window = false;
     }
-};
+    glutPostRedisplay();
+}
+
+static void usage(void) {
+    std::cout << 
+        "Usage: glretrace [OPTION] TRACE\n"
+        "Replay TRACE.\n"
+        "\n"
+        "  -c PREFIX    compare against snapshots\n"
+        "  -db          use a double buffer visual\n"
+        "  -s PREFIX    take snapshots\n"
+        "  -v           verbose output\n";
+}
 
 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, "-c")) {
+            __compare_prefix = argv[++i];
+        } else if (!strcmp(arg, "-db")) {
+            double_buffer = true;
+        } else if (!strcmp(arg, "--help")) {
+            usage();
+            return 0;
+        } else if (!strcmp(arg, "-s")) {
+            __snapshot_prefix = argv[++i];
+        } else if (!strcmp(arg, "-v")) {
+            ++verbosity;
+        } else if (!strcmp(arg, "-w")) {
+            __wait = true;
+        } else {
+            std::cerr << "error: unknown option " << arg << "\n";
+            usage();
+            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;
 }
 
-'''   
+'''