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Diffstat (limited to 'progs/tests/multipal.c')
-rw-r--r-- | progs/tests/multipal.c | 373 |
1 files changed, 0 insertions, 373 deletions
diff --git a/progs/tests/multipal.c b/progs/tests/multipal.c deleted file mode 100644 index fac652f4e0..0000000000 --- a/progs/tests/multipal.c +++ /dev/null @@ -1,373 +0,0 @@ -/* $Id: multipal.c,v 1.6 2003/12/08 09:03:36 joukj Exp $ */ - -/* - * Test multitexture and paletted textures. - */ - -#include <assert.h> -#include <math.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <stddef.h> /* for ptrdiff_t, referenced by GL.h when GL_GLEXT_LEGACY defined */ -#ifdef _WIN32 -#include <windows.h> -#endif -#define GL_GLEXT_LEGACY -#include <GL/glut.h> - -#include "../util/readtex.c" /* I know, this is a hack. */ - -#define TEXTURE_1_FILE "../images/tile.rgb" -#define TEXTURE_2_FILE "../images/reflect.rgb" - -#define TEX0 1 -#define TEX1 2 -#define TEXBOTH 3 -#define ANIMATE 10 -#define QUIT 100 - -static GLboolean Animate = GL_TRUE; - -static GLfloat Drift = 0.0; -static GLfloat Xrot = 20.0, Yrot = 30.0, Zrot = 0.0; - - - -static void Idle( void ) -{ - if (Animate) { - Drift += 0.05; - if (Drift >= 1.0) - Drift = 0.0; - -#ifdef GL_ARB_multitexture - glActiveTextureARB(GL_TEXTURE0_ARB); -#endif - glMatrixMode(GL_TEXTURE); - glLoadIdentity(); - glTranslatef(Drift, 0.0, 0.0); - glMatrixMode(GL_MODELVIEW); - -#ifdef GL_ARB_multitexture - glActiveTextureARB(GL_TEXTURE1_ARB); -#endif - glMatrixMode(GL_TEXTURE); - glLoadIdentity(); - glTranslatef(0.0, Drift, 0.0); - glMatrixMode(GL_MODELVIEW); - - glutPostRedisplay(); - } -} - - -static void DrawObject(void) -{ - glBegin(GL_QUADS); - -#ifdef GL_ARB_multitexture - glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 0.0, 0.0); - glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.0, 0.0); - glVertex2f(-1.0, -1.0); - - glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 2.0, 0.0); - glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 1.0, 0.0); - glVertex2f(1.0, -1.0); - - glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 2.0, 2.0); - glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 1.0, 1.0); - glVertex2f(1.0, 1.0); - - glMultiTexCoord2fARB(GL_TEXTURE0_ARB, 0.0, 2.0); - glMultiTexCoord2fARB(GL_TEXTURE1_ARB, 0.0, 1.0); - glVertex2f(-1.0, 1.0); -#else - glTexCoord2f(0.0, 0.0); - glVertex2f(-1.0, -1.0); - - glTexCoord2f(1.0, 0.0); - glVertex2f(1.0, -1.0); - - glTexCoord2f(1.0, 1.0); - glVertex2f(1.0, 1.0); - - glTexCoord2f(0.0, 1.0); - glVertex2f(-1.0, 1.0); -#endif - - glEnd(); -} - - - -static void Display( void ) -{ - glClear( GL_COLOR_BUFFER_BIT ); - - glPushMatrix(); - glRotatef(Xrot, 1.0, 0.0, 0.0); - glRotatef(Yrot, 0.0, 1.0, 0.0); - glRotatef(Zrot, 0.0, 0.0, 1.0); - glScalef(5.0, 5.0, 5.0); - DrawObject(); - glPopMatrix(); - - glutSwapBuffers(); -} - - -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, 10.0, 100.0 ); - /*glOrtho( -6.0, 6.0, -6.0, 6.0, 10.0, 100.0 );*/ - glMatrixMode( GL_MODELVIEW ); - glLoadIdentity(); - glTranslatef( 0.0, 0.0, -70.0 ); -} - - -static void ModeMenu(int entry) -{ - GLboolean enable0 = GL_FALSE, enable1 = GL_FALSE; - if (entry==TEX0) { - enable0 = GL_TRUE; - } - else if (entry==TEX1) { - enable1 = GL_TRUE; - } - else if (entry==TEXBOTH) { - enable0 = GL_TRUE; - enable1 = GL_TRUE; - } - else if (entry==ANIMATE) { - Animate = !Animate; - } - else if (entry==QUIT) { - exit(0); - } - - if (entry != ANIMATE) { -#ifdef GL_ARB_multitexture - glActiveTextureARB(GL_TEXTURE0_ARB); -#endif - if (enable0) { - glEnable(GL_TEXTURE_2D); - } - else - glDisable(GL_TEXTURE_2D); - -#ifdef GL_ARB_multitexture - glActiveTextureARB(GL_TEXTURE1_ARB); -#endif - if (enable1) { - glEnable(GL_TEXTURE_2D); - } - else - glDisable(GL_TEXTURE_2D); - } - - glutPostRedisplay(); -} - - -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 ) -{ - float 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 load_tex(const char *fname, int channel) -{ - GLubyte *image; - GLenum format; - GLint w, h; - GLubyte *grayImage; - int i; - GLubyte table[256][4]; - - image = LoadRGBImage(fname, &w, &h, &format); - if (!image) - exit(1); - - printf("%s %d x %d\n", fname, w, h); - grayImage = malloc(w * h * 1); - assert(grayImage); - for (i = 0; i < w * h; i++) { - int g = (image[i*3+0] + image[i*3+1] + image[i*3+2]) / 3; - assert(g < 256); - grayImage[i] = g; - } - - glTexImage2D(GL_TEXTURE_2D, 0, GL_COLOR_INDEX, w, h, 0, GL_COLOR_INDEX, - GL_UNSIGNED_BYTE, grayImage); - - for (i = 0; i < 256; i++) { - table[i][0] = channel ? i : 0; - table[i][1] = i; - table[i][2] = channel ? 0 : i; - table[i][3] = 255; - } - - glColorTableEXT(GL_TEXTURE_2D, /* target */ - GL_RGBA, /* internal format */ - 256, /* table size */ - GL_RGBA, /* table format */ - GL_UNSIGNED_BYTE, /* table type */ - table); /* the color table */ - - free(grayImage); - free(image); -} - - - -static void Init( int argc, char *argv[] ) -{ - GLuint texObj[2]; - GLint units; - - if (!glutExtensionSupported("GL_ARB_multitexture")) { - printf("Sorry, GL_ARB_multitexture not supported by this renderer.\n"); - exit(1); - } - if (!glutExtensionSupported("GL_EXT_paletted_texture")) { - printf("Sorry, GL_EXT_paletted_texture not supported by this renderer.\n"); - exit(1); - } - - glGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &units); - printf("%d texture units supported\n", units); - - /* allocate two texture objects */ - glGenTextures(2, texObj); - - /* setup texture obj 0 */ - glBindTexture(GL_TEXTURE_2D, texObj[0]); -#ifdef LINEAR_FILTER - /* linear filtering looks much nicer but is much slower for Mesa */ - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); -foo -#else - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); -#endif - - glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); - - glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - - load_tex(TEXTURE_1_FILE, 0); -#if 0 - if (!LoadRGBMipmaps(TEXTURE_1_FILE, GL_RGB)) { - printf("Error: couldn't load texture image\n"); - exit(1); - } -#endif - - /* setup texture obj 1 */ - glBindTexture(GL_TEXTURE_2D, texObj[1]); -#ifdef LINEAR_FILTER - /* linear filtering looks much nicer but is much slower for Mesa */ - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); -foo -#else - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); -#endif - - glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); - - load_tex(TEXTURE_2_FILE, 1); -#if 0 - if (!LoadRGBMipmaps(TEXTURE_2_FILE, GL_RGB)) { - printf("Error: couldn't load texture image\n"); - exit(1); - } -#endif - - /* now bind the texture objects to the respective texture units */ -#ifdef GL_ARB_multitexture - glActiveTextureARB(GL_TEXTURE0_ARB); - glBindTexture(GL_TEXTURE_2D, texObj[0]); - glActiveTextureARB(GL_TEXTURE1_ARB); - glBindTexture(GL_TEXTURE_2D, texObj[1]); -#endif - - glShadeModel(GL_FLAT); - glClearColor(0.3, 0.3, 0.4, 1.0); - - ModeMenu(TEXBOTH); - - if (argc > 1 && strcmp(argv[1], "-info")==0) { - printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); - printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION)); - printf("GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR)); - printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS)); - } -} - - -int main( int argc, char *argv[] ) -{ - glutInit( &argc, argv ); - glutInitWindowSize( 300, 300 ); - glutInitWindowPosition( 0, 0 ); - glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE ); - glutCreateWindow(argv[0] ); - - Init( argc, argv ); - - glutReshapeFunc( Reshape ); - glutKeyboardFunc( Key ); - glutSpecialFunc( SpecialKey ); - glutDisplayFunc( Display ); - glutIdleFunc( Idle ); - - glutCreateMenu(ModeMenu); - glutAddMenuEntry("Texture 0", TEX0); - glutAddMenuEntry("Texture 1", TEX1); - glutAddMenuEntry("Multi-texture", TEXBOTH); - glutAddMenuEntry("Toggle Animation", ANIMATE); - glutAddMenuEntry("Quit", QUIT); - glutAttachMenu(GLUT_RIGHT_BUTTON); - - glutMainLoop(); - return 0; -} |