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authorDavid Nusinow <dnusinow@debian.org>2006-10-14 22:42:57 +0000
committerDavid Nusinow <dnusinow@debian.org>2006-10-14 22:42:57 +0000
commit75733e42375e74d990afd2432e3072bc1586305b (patch)
tree794bc9de497c0befbe4b9b664e7a9fd7c3d6b416 /progs/tests/copypixrate.c
parentbc8084da742c20531bb2f935afad522e22381832 (diff)
Commit diff of 6.5.1-0.2 so we've got a record of it here.mesa-6.5.1-0.2
Diffstat (limited to 'progs/tests/copypixrate.c')
-rw-r--r--progs/tests/copypixrate.c259
1 files changed, 0 insertions, 259 deletions
diff --git a/progs/tests/copypixrate.c b/progs/tests/copypixrate.c
deleted file mode 100644
index e9a42a1c8c..0000000000
--- a/progs/tests/copypixrate.c
+++ /dev/null
@@ -1,259 +0,0 @@
-/*
- * Measure glCopyPixels speed
- *
- * Brian Paul
- * 26 Jan 2006
- */
-
-#define GL_GLEXT_PROTOTYPES
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <math.h>
-#include <GL/glut.h>
-
-static GLint WinWidth = 1000, WinHeight = 800;
-static GLint ImgWidth, ImgHeight;
-
-static GLenum Buffer = GL_FRONT;
-static GLenum AlphaTest = GL_FALSE;
-static GLboolean UseBlit = GL_FALSE;
-
-static PFNGLBLITFRAMEBUFFEREXTPROC glBlitFramebufferEXT_func = NULL;
-
-
-/**
- * draw teapot in lower-left corner of window
- */
-static void
-DrawTestImage(void)
-{
- GLfloat ar;
-
- ImgWidth = WinWidth / 3;
- ImgHeight = WinHeight / 3;
-
- glViewport(0, 0, ImgWidth, ImgHeight);
- glScissor(0, 0, ImgWidth, ImgHeight);
- glEnable(GL_SCISSOR_TEST);
-
- glClearColor(0.5, 0.5, 0.5, 0.0);
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
- ar = (float) WinWidth / WinHeight;
-
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glFrustum(-ar, ar, -1.0, 1.0, 5.0, 25.0);
- glMatrixMode(GL_MODELVIEW);
-
- glEnable(GL_LIGHTING);
- glEnable(GL_LIGHT0);
- glEnable(GL_DEPTH_TEST);
- glFrontFace(GL_CW);
- glPushMatrix();
- glRotatef(45, 1, 0, 0);
- glutSolidTeapot(2.0);
- glPopMatrix();
- glFrontFace(GL_CCW);
- glDisable(GL_DEPTH_TEST);
- glDisable(GL_LIGHTING);
-
- glDisable(GL_SCISSOR_TEST);
-
- glViewport(0, 0, WinWidth, WinHeight);
- glFinish();
-}
-
-
-static int
-Rand(int max)
-{
- return ((int) random()) % max;
-}
-
-
-/**
- * Measure glCopyPixels rate
- */
-static void
-RunTest(void)
-{
- double t1, t0 = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
- int iters = 0;
- float copyRate, mbRate;
- int r, g, b, a, bpp;
-
- if (AlphaTest) {
- glEnable(GL_ALPHA_TEST);
- glAlphaFunc(GL_GREATER, 0.0);
- }
-
- glGetIntegerv(GL_RED_BITS, &r);
- glGetIntegerv(GL_GREEN_BITS, &g);
- glGetIntegerv(GL_BLUE_BITS, &b);
- glGetIntegerv(GL_ALPHA_BITS, &a);
- bpp = (r + g + b + a) / 8;
-
- do {
- int x, y;
- x = Rand(WinWidth);
- y = Rand(WinHeight);
-
- if (x > ImgWidth || y > ImgHeight) {
-#ifdef GL_EXT_framebuffer_blit
- if (UseBlit)
- {
- glBlitFramebufferEXT_func(0, 0, ImgWidth, ImgHeight,
- x, y, x + ImgWidth, y + ImgHeight,
- GL_COLOR_BUFFER_BIT, GL_LINEAR);
- }
- else
-#endif
- {
- glWindowPos2iARB(x, y);
- glCopyPixels(0, 0, ImgWidth, ImgHeight, GL_COLOR);
- }
- glFinish(); /* XXX OK? */
-
- iters++;
-
- t1 = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
- }
- } while (t1 - t0 < 5.0);
-
- glDisable(GL_ALPHA_TEST);
-
- copyRate = iters / (t1 - t0);
- mbRate = ImgWidth * ImgHeight * bpp * copyRate / (1024 * 1024);
-
- printf("Image size: %d x %d, %d Bpp\n", ImgWidth, ImgHeight, bpp);
- printf("%d copies in %.2f = %.2f copies/sec, %.2f MB/s\n",
- iters, t1-t0, copyRate, mbRate);
-}
-
-
-static void
-Draw(void)
-{
- glClearColor(0.0, 0.0, 0.0, 0.0);
- glClearColor(0.2, 0.2, 0.8, 0);
- glReadBuffer(Buffer);
- glDrawBuffer(Buffer);
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-
- DrawTestImage();
-
- RunTest();
-
- if (Buffer == GL_FRONT)
- glFinish();
- else
- glutSwapBuffers();
-
- printf("exiting\n");
- exit(0);
-}
-
-
-static void
-Reshape(int width, int 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)
-{
- (void) x;
- (void) y;
- switch (key) {
- case 27:
- exit(0);
- break;
- }
- glutPostRedisplay();
-}
-
-
-static void
-SpecialKey(int key, int x, int y)
-{
- (void) x;
- (void) y;
- switch (key) {
- case GLUT_KEY_UP:
- break;
- case GLUT_KEY_DOWN:
- break;
- case GLUT_KEY_LEFT:
- break;
- case GLUT_KEY_RIGHT:
- break;
- }
- glutPostRedisplay();
-}
-
-
-static void
-ParseArgs(int argc, char *argv[])
-{
- int i;
- for (i = 1; i < argc; i++) {
- if (strcmp(argv[i], "-back") == 0)
- Buffer = GL_BACK;
- else if (strcmp(argv[i], "-alpha") == 0)
- AlphaTest = GL_TRUE;
- else if (strcmp(argv[i], "-blit") == 0)
- UseBlit = GL_TRUE;
- }
-}
-
-
-static void
-Init(void)
-{
- if (glutExtensionSupported("GL_EXT_framebuffer_blit")) {
- glBlitFramebufferEXT_func = (PFNGLBLITFRAMEBUFFEREXTPROC)
- glutGetProcAddress("glBlitFramebufferEXT");
- }
- else if (UseBlit) {
- printf("Warning: GL_EXT_framebuffer_blit not supported.\n");
- UseBlit = GL_FALSE;
- }
-}
-
-
-int
-main(int argc, char *argv[])
-{
- GLint mode = GLUT_RGB | GLUT_ALPHA | GLUT_DOUBLE | GLUT_DEPTH;
- glutInit(&argc, argv);
-
- ParseArgs(argc, argv);
- if (AlphaTest)
- mode |= GLUT_ALPHA;
-
- glutInitWindowPosition(0, 0);
- glutInitWindowSize(WinWidth, WinHeight);
- glutInitDisplayMode(mode);
- glutCreateWindow(argv[0]);
- glutReshapeFunc(Reshape);
- glutKeyboardFunc(Key);
- glutSpecialFunc(SpecialKey);
- glutDisplayFunc(Draw);
-
- printf("GL_RENDERER: %s\n", (char *) glGetString(GL_RENDERER));
- printf("Draw Buffer: %s\n", (Buffer == GL_BACK) ? "Back" : "Front");
- Init();
-
- glutMainLoop();
- return 0;
-}