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Diffstat (limited to 'progs/perf/glmain.c')
| -rw-r--r-- | progs/perf/glmain.c | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/progs/perf/glmain.c b/progs/perf/glmain.c deleted file mode 100644 index 69cdbce319..0000000000 --- a/progs/perf/glmain.c +++ /dev/null @@ -1,268 +0,0 @@ -/* - * 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; -} |