diff options
Diffstat (limited to 'progs/tests/fptexture.c')
-rw-r--r-- | progs/tests/fptexture.c | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/progs/tests/fptexture.c b/progs/tests/fptexture.c deleted file mode 100644 index 332e07182d..0000000000 --- a/progs/tests/fptexture.c +++ /dev/null @@ -1,152 +0,0 @@ -/* GL_NV_fragment_program texture test */ - -#include <assert.h> -#include <string.h> -#include <stdio.h> -#include <stdlib.h> -#include <math.h> -#include <GL/glew.h> -#include <GL/glut.h> - -#include "../util/readtex.c" - - -#define TEXTURE_FILE "../images/girl.rgb" - -static GLfloat Xrot = 0.0, Yrot = 0.0, Zrot = 0.0; - - -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); - - glBegin(GL_POLYGON); - glColor4f(1.0, 1.0, 1.0, 1); glTexCoord2f(0, 0); glVertex2f(-1, -1); - glColor4f(0.2, 0.2, 1.0, 1); glTexCoord2f(1, 0); glVertex2f( 1, -1); - glColor4f(0.2, 1.0, 0.2, 1); glTexCoord2f(1, 1); glVertex2f( 1, 1); - glColor4f(1.0, 0.2, 0.2, 1); glTexCoord2f(0, 1); glVertex2f(-1, 1); - glEnd(); - - 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, 5.0, 25.0 ); - glMatrixMode( GL_MODELVIEW ); - glLoadIdentity(); - glTranslatef( 0.0, 0.0, -8.0 ); -} - - -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 Key( unsigned char key, int x, int y ) -{ - (void) x; - (void) y; - switch (key) { - case 27: - exit(0); - break; - } - glutPostRedisplay(); -} - - -static void Init( void ) -{ - static const char *modulate2D = - "!!FP1.0\n" - "TEX R0, f[TEX0], TEX0, 2D; \n" - "MUL o[COLR], R0, f[COL0]; \n" - "END" - ; - GLuint modulateProg; - GLuint Texture; - - if (!glutExtensionSupported("GL_NV_fragment_program")) { - printf("Error: GL_NV_fragment_program not supported!\n"); - exit(1); - } - printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); - - /* Setup the fragment program */ - glGenProgramsNV(1, &modulateProg); - glLoadProgramNV(GL_FRAGMENT_PROGRAM_NV, modulateProg, - strlen(modulate2D), - (const GLubyte *) modulate2D); - printf("glGetError = 0x%x\n", (int) glGetError()); - printf("glError(GL_PROGRAM_ERROR_STRING_NV) = %s\n", - (char *) glGetString(GL_PROGRAM_ERROR_STRING_NV)); - assert(glIsProgramNV(modulateProg)); - - glBindProgramNV(GL_FRAGMENT_PROGRAM_NV, modulateProg); - glEnable(GL_FRAGMENT_PROGRAM_NV); - - /* Load texture */ - glGenTextures(1, &Texture); - glBindTexture(GL_TEXTURE_2D, Texture); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - if (!LoadRGBMipmaps(TEXTURE_FILE, GL_RGB)) { - printf("Error: couldn't load texture image file %s\n", TEXTURE_FILE); - exit(1); - } - /* XXX this enable shouldn't really be needed!!! */ - glEnable(GL_TEXTURE_2D); - - glClearColor(.3, .3, .3, 0); -} - - -int main( int argc, char *argv[] ) -{ - glutInit( &argc, argv ); - glutInitWindowPosition( 0, 0 ); - glutInitWindowSize( 250, 250 ); - glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH ); - glutCreateWindow(argv[0]); - glewInit(); - glutReshapeFunc( Reshape ); - glutKeyboardFunc( Key ); - glutSpecialFunc( SpecialKey ); - glutDisplayFunc( Display ); - Init(); - glutMainLoop(); - return 0; -} |