diff options
Diffstat (limited to 'progs/tests/seccolor.c')
-rw-r--r-- | progs/tests/seccolor.c | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/progs/tests/seccolor.c b/progs/tests/seccolor.c deleted file mode 100644 index 77fd40647ba..00000000000 --- a/progs/tests/seccolor.c +++ /dev/null @@ -1,145 +0,0 @@ -/* - * Exercise GL_EXT_secondary_color - */ - - -#define GL_GLEXT_PROTOTYPES -#include <stdio.h> -#include <stdlib.h> -#include <math.h> -#include <GL/glut.h> - -static int Width = 600; -static int Height = 200; -static GLfloat Near = 5.0, Far = 25.0; - - -static void Display( void ) -{ - GLfloat t; - - glClearColor(0.2, 0.2, 0.8, 0); - glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ); - - for (t = 0.0; t <= 1.0; t += 0.25) { - GLfloat x = t * 10.0 - 5.0; - GLfloat g = t; - - /* top row: untextured */ - glColor3f(1, 0, 0); - glPushMatrix(); - glTranslatef(x, 1.2, 0); -#if defined(GL_EXT_secondary_color) - glSecondaryColor3fEXT(0, g, 0); -#endif - glBegin(GL_POLYGON); - glVertex2f(-1, -1); - glVertex2f( 1, -1); - glVertex2f( 1, 1); - glVertex2f(-1, 1); - glEnd(); - glPopMatrix(); - - /* bottom row: textured */ - glColor3f(1, 1, 1); - glEnable(GL_TEXTURE_2D); - glPushMatrix(); - glTranslatef(x, -1.2, 0); -#if defined(GL_EXT_secondary_color) - glSecondaryColor3fEXT(0, g, 0); -#endif - glBegin(GL_POLYGON); - glTexCoord2f(0, 0); glVertex2f(-1, -1); - glTexCoord2f(1, 0); glVertex2f( 1, -1); - glTexCoord2f(1, 1); glVertex2f( 1, 1); - glTexCoord2f(0, 1); glVertex2f(-1, 1); - glEnd(); - glPopMatrix(); - glDisable(GL_TEXTURE_2D); - } - glutSwapBuffers(); -} - - -static void Reshape( int width, int height ) -{ - GLfloat ar = (float) width / (float) height; - Width = width; - Height = height; - glViewport( 0, 0, width, height ); - glMatrixMode( GL_PROJECTION ); - glLoadIdentity(); - glFrustum( -ar, ar, -1.0, 1.0, Near, Far ); - 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 Init( void ) -{ - GLubyte image[4*4][3]; - GLint i; - if (!glutExtensionSupported("GL_EXT_secondary_color")) { - printf("Sorry, this program requires GL_EXT_secondary_color\n"); - exit(1); - } - - /* setup red texture with one back texel */ - for (i = 0; i < 4*4; i++) { - if (i == 0) { - image[i][0] = 0; - image[i][1] = 0; - image[i][2] = 0; - } - else { - image[i][0] = 255; - image[i][1] = 0; - image[i][2] = 0; - } - } - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 4, 4, 0, - GL_RGB, GL_UNSIGNED_BYTE, image); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); - -#if defined(GL_EXT_secondary_color) - glEnable(GL_COLOR_SUM_EXT); -#endif - glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR); - - printf("Squares should be colored from red -> orange -> yellow.\n"); - printf("Top row is untextured.\n"); - printf("Bottom row is textured (red texture with one black texel).\n"); - printf("Rows should be identical, except for lower-left texel.\n"); -} - - -int main( int argc, char *argv[] ) -{ - glutInit( &argc, argv ); - glutInitWindowPosition( 0, 0 ); - glutInitWindowSize( Width, Height ); - glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE ); - glutCreateWindow(argv[0]); - glutReshapeFunc( Reshape ); - glutKeyboardFunc( Key ); - glutDisplayFunc( Display ); - Init(); - glutMainLoop(); - return 0; -} |