diff options
author | Eric Anholt <[email protected]> | 2010-05-21 09:32:38 -0700 |
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committer | Eric Anholt <[email protected]> | 2010-05-21 12:20:39 -0700 |
commit | 68fc4b415e322f6744299e39864fbc377c6eff74 (patch) | |
tree | 4bafffd8b0105174f3c5c0ae327a005be9145990 /progs/tests/bug_3195.c | |
parent | e4f4489e3fc0b36d72821b55794fb843b2b7fa5f (diff) |
Remove demos that have moved to git+ssh://git.freedesktop.org/git/mesa/demos.
The remaining programs are ones I've had difficulty finding a build
environment for to make the build system or are unit tests that should
probably live next to their code instead. Hopefully people can bring
over the build for remaining pieces they care about.
Diffstat (limited to 'progs/tests/bug_3195.c')
-rw-r--r-- | progs/tests/bug_3195.c | 276 |
1 files changed, 0 insertions, 276 deletions
diff --git a/progs/tests/bug_3195.c b/progs/tests/bug_3195.c deleted file mode 100644 index 10481c22322..00000000000 --- a/progs/tests/bug_3195.c +++ /dev/null @@ -1,276 +0,0 @@ -/* - * Copyright (C) 2000 Brian Paul 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 - * BRIAN PAUL 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. - */ - -/** - * \file bug_3195.c - * - * Simple regression test for bug #3195. A bug in the i180 driver caused - * a segfault (inside the driver) when the LOD bias is adjusted and no texture - * is enabled. This test, which is based on progs/demos/lodbias.c, sets up - * all the texturing, disables all textures, adjusts the LOD bias, then - * re-enables \c GL_TEXTURE_2D. - * - * \author Brian Paul - * \author Ian Romanick <[email protected]> - */ - -#include <assert.h> -#include <stdlib.h> -#include <stdio.h> -#include <math.h> -#include <GL/glew.h> -#include <GL/glut.h> - -#include "readtex.h" - -#define TEXTURE_FILE "../images/girl.rgb" - -static GLfloat Xrot = 0, Yrot = -30, Zrot = 0; -static GLint Bias = 0, BiasStepSign = +1; /* ints avoid fp precision problem */ -static GLint BiasMin = -400, BiasMax = 400; - - - -static void -PrintString(const char *s) -{ - while (*s) { - glutBitmapCharacter(GLUT_BITMAP_8_BY_13, (int) *s); - s++; - } -} - -static void Idle( void ) -{ - static int lastTime = 0; - int time = glutGet(GLUT_ELAPSED_TIME); - int step; - - if (lastTime == 0) - lastTime = time; - else if (time - lastTime < 10) - return; - - step = (time - lastTime) / 10 * BiasStepSign; - lastTime = time; - - Bias += step; - if (Bias < BiasMin) { - exit(0); - } - else if (Bias > BiasMax) { - Bias = BiasMax; - BiasStepSign = -1; - } - - glutPostRedisplay(); -} - - -static void Display( void ) -{ - char str[100]; - - glClear( GL_COLOR_BUFFER_BIT ); - - glMatrixMode( GL_PROJECTION ); - glLoadIdentity(); - glOrtho(-1, 1, -1, 1, -1, 1); - glMatrixMode( GL_MODELVIEW ); - glLoadIdentity(); - - glDisable(GL_TEXTURE_2D); - glColor3f(1,1,1); - glRasterPos3f(-0.9, -0.9, 0.0); - sprintf(str, "Texture LOD Bias = %4.1f", Bias * 0.01); - PrintString(str); - - 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, -8.0 ); - - glPushMatrix(); - glRotatef(Xrot, 1, 0, 0); - glRotatef(Yrot, 0, 1, 0); - glRotatef(Zrot, 0, 0, 1); - - glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT, GL_TEXTURE_LOD_BIAS_EXT, 0.01 * Bias); - glEnable(GL_TEXTURE_2D); - - glBegin(GL_POLYGON); - glTexCoord2f(0, 0); glVertex2f(-1, -1); - glTexCoord2f(2, 0); glVertex2f( 1, -1); - glTexCoord2f(2, 2); glVertex2f( 1, 1); - glTexCoord2f(0, 2); glVertex2f(-1, 1); - glEnd(); - - glPopMatrix(); - - glutSwapBuffers(); -} - - -static void Reshape( int width, int height ) -{ - glViewport( 0, 0, width, height ); -} - - -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 ) -{ - 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(); -} - - -static void Init( void ) -{ - GLfloat maxBias; - const char * const ver_string = (const char *) - glGetString( GL_VERSION ); - - printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); - printf("GL_VERSION = %s\n", ver_string); - - printf("\nThis program should function nearly identically to Mesa's lodbias demo.\n" - "It should cycle through the complet LOD bias range once and exit. If bug\n" - "#3195 still exists, the demo should crash almost immediatly.\n"); - printf("This is a regression test for bug #3195.\n"); - printf("https://bugs.freedesktop.org/show_bug.cgi?id=3195\n"); - - if (!glutExtensionSupported("GL_EXT_texture_lod_bias")) { - printf("Sorry, GL_EXT_texture_lod_bias not supported by this renderer.\n"); - exit(1); - } - - glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - - if (glutExtensionSupported("GL_SGIS_generate_mipmap")) { - /* test auto mipmap generation */ - GLint width, height, i; - GLenum format; - GLubyte *image = LoadRGBImage(TEXTURE_FILE, &width, &height, &format); - if (!image) { - printf("Error: could not load texture image %s\n", TEXTURE_FILE); - exit(1); - } - /* resize to 256 x 256 */ - if (width != 256 || height != 256) { - GLubyte *newImage = malloc(256 * 256 * 4); - gluScaleImage(format, width, height, GL_UNSIGNED_BYTE, image, - 256, 256, GL_UNSIGNED_BYTE, newImage); - free(image); - image = newImage; - } - printf("Using GL_SGIS_generate_mipmap\n"); - glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS, GL_TRUE); - glTexImage2D(GL_TEXTURE_2D, 0, format, 256, 256, 0, - format, GL_UNSIGNED_BYTE, image); - free(image); - - /* make sure mipmap was really generated correctly */ - width = height = 256; - for (i = 0; i < 9; i++) { - GLint w, h; - glGetTexLevelParameteriv(GL_TEXTURE_2D, i, GL_TEXTURE_WIDTH, &w); - glGetTexLevelParameteriv(GL_TEXTURE_2D, i, GL_TEXTURE_HEIGHT, &h); - printf("Level %d size: %d x %d\n", i, w, h); - assert(w == width); - assert(h == height); - width /= 2; - height /= 2; - } - - } - else if (!LoadRGBMipmaps(TEXTURE_FILE, GL_RGB)) { - printf("Error: could not load texture image %s\n", TEXTURE_FILE); - exit(1); - } - - /* mipmapping required for this extension */ - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); - - glGetFloatv(GL_MAX_TEXTURE_LOD_BIAS_EXT, &maxBias); - printf("LOD bias range: [%g, %g]\n", -maxBias, maxBias); - BiasMin = -100 * maxBias; - BiasMax = 100 * maxBias; - - /* Since we have (about) 8 mipmap levels, no need to bias beyond - * the range [-1, +8]. - */ - if (BiasMin < -100) - BiasMin = -100; - if (BiasMax > 800) - BiasMax = 800; -} - - -int main( int argc, char *argv[] ) -{ - glutInit( &argc, argv ); - glutInitWindowPosition( 0, 0 ); - glutInitWindowSize( 350, 350 ); - glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE ); - glutCreateWindow( "Bug #3195 Test" ); - glewInit(); - glutReshapeFunc( Reshape ); - glutKeyboardFunc( Key ); - glutSpecialFunc( SpecialKey ); - glutDisplayFunc( Display ); - glutIdleFunc(Idle); - Init(); - glutMainLoop(); - return 0; -} |