+++ /dev/null
-/*
- * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * VMWARE BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/**
- * OpenGL/GLUT common code for perf programs.
- * Brian Paul
- * 15 Sep 2009
- */
-
-
-#include <stdio.h>
-#include "glmain.h"
-#include <GL/glut.h>
-
-
-static int Win;
-static GLfloat Xrot = 0, Yrot = 0, Zrot = 0;
-
-
-/** Return time in seconds */
-double
-PerfGetTime(void)
-{
- return glutGet(GLUT_ELAPSED_TIME) * 0.001;
-}
-
-
-void
-PerfSwapBuffers(void)
-{
- glutSwapBuffers();
-}
-
-
-/** make simple checkerboard texture object */
-GLuint
-PerfCheckerTexture(GLsizei width, GLsizei height)
-{
- const GLenum filter = GL_NEAREST;
- GLubyte *img = (GLubyte *) malloc(width * height * 4);
- GLint i, j, k;
- GLuint obj;
-
- k = 0;
- for (i = 0; i < height; i++) {
- for (j = 0; j < width; j++) {
- GLubyte color;
- if (((i / 8) ^ (j / 8)) & 1) {
- color = 0xff;
- }
- else {
- color = 0x0;
- }
- img[k++] = color;
- img[k++] = color;
- img[k++] = color;
- img[k++] = color;
- }
- }
-
- glGenTextures(1, &obj);
- glBindTexture(GL_TEXTURE_2D, obj);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0,
- GL_RGBA, GL_UNSIGNED_BYTE, img);
- free(img);
-
- return obj;
-}
-
-
-static GLuint
-CompileShader(GLenum type, const char *shader)
-{
- GLuint sh;
- GLint stat;
-
- sh = glCreateShader(type);
- glShaderSource(sh, 1, (const GLchar **) &shader, NULL);
-
- glCompileShader(sh);
-
- glGetShaderiv(sh, GL_COMPILE_STATUS, &stat);
- if (!stat) {
- GLchar log[1000];
- GLsizei len;
- glGetShaderInfoLog(sh, 1000, &len, log);
- fprintf(stderr, "Error: problem compiling shader: %s\n", log);
- exit(1);
- }
-
- return sh;
-}
-
-
-/** Make shader program from given vert/frag shader text */
-GLuint
-PerfShaderProgram(const char *vertShader, const char *fragShader)
-{
- GLuint prog;
- GLint stat;
-
- {
- const char *version = (const char *) glGetString(GL_VERSION);
- if ((version[0] != '2' &&
- version[0] != '3') || version[1] != '.') {
- fprintf(stderr, "Error: GL version 2.x or better required\n");
- exit(1);
- }
- }
-
- prog = glCreateProgram();
-
- if (vertShader) {
- GLuint vs = CompileShader(GL_VERTEX_SHADER, vertShader);
- glAttachShader(prog, vs);
- }
- if (fragShader) {
- GLuint fs = CompileShader(GL_FRAGMENT_SHADER, fragShader);
- glAttachShader(prog, fs);
- }
-
- glLinkProgram(prog);
- glGetProgramiv(prog, GL_LINK_STATUS, &stat);
- if (!stat) {
- GLchar log[1000];
- GLsizei len;
- glGetProgramInfoLog(prog, 1000, &len, log);
- fprintf(stderr, "Shader link error:\n%s\n", log);
- exit(1);
- }
-
- return prog;
-}
-
-
-int
-PerfReshapeWindow( unsigned w, unsigned h )
-{
- if (glutGet(GLUT_SCREEN_WIDTH) < w ||
- glutGet(GLUT_SCREEN_HEIGHT) < h)
- return 0;
-
- glutReshapeWindow( w, h );
- glutPostRedisplay();
- return 1;
-}
-
-
-GLboolean
-PerfExtensionSupported(const char *ext)
-{
- return glutExtensionSupported(ext);
-}
-
-
-static void
-Idle(void)
-{
- PerfNextRound();
-}
-
-
-static void
-Draw(void)
-{
- PerfDraw();
- glutSwapBuffers();
-}
-
-
-static void
-Reshape(int width, int height)
-{
- WinWidth = width;
- WinHeight = height;
- glViewport(0, 0, width, height);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0);
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- glTranslatef(0.0, 0.0, -15.0);
-}
-
-
-static void
-Key(unsigned char key, int x, int y)
-{
- const GLfloat step = 3.0;
- (void) x;
- (void) y;
- switch (key) {
- case 'z':
- Zrot -= step;
- break;
- case 'Z':
- Zrot += step;
- break;
- case 27:
- glutDestroyWindow(Win);
- exit(0);
- break;
- }
- glutPostRedisplay();
-}
-
-
-static void
-SpecialKey(int key, int x, int y)
-{
- const GLfloat step = 3.0;
- (void) x;
- (void) y;
- switch (key) {
- case GLUT_KEY_UP:
- Xrot -= step;
- break;
- case GLUT_KEY_DOWN:
- Xrot += step;
- break;
- case GLUT_KEY_LEFT:
- Yrot -= step;
- break;
- case GLUT_KEY_RIGHT:
- Yrot += step;
- break;
- }
- glutPostRedisplay();
-}
-
-
-int
-main(int argc, char *argv[])
-{
- glutInit(&argc, argv);
- glutInitWindowSize(WinWidth, WinHeight);
- glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_STENCIL);
- Win = glutCreateWindow(argv[0]);
- glewInit();
- glutReshapeFunc(Reshape);
- glutKeyboardFunc(Key);
- glutSpecialFunc(SpecialKey);
- glutDisplayFunc(Draw);
- glutIdleFunc(Idle);
- PerfInit();
- glutMainLoop();
- return 0;
-}
projects / mesa.git / blobdiff