diff options
Diffstat (limited to 'progs/tests/yuvsquare.c')
-rw-r--r-- | progs/tests/yuvsquare.c | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/progs/tests/yuvsquare.c b/progs/tests/yuvsquare.c deleted file mode 100644 index 3601e7a31c7..00000000000 --- a/progs/tests/yuvsquare.c +++ /dev/null @@ -1,232 +0,0 @@ -/* - * Test the GL_NV_texture_rectangle and GL_MESA_ycrcb_texture extensions. - * - * Brian Paul 13 September 2002 - */ - - -#include <math.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#define GL_GLEXT_PROTOTYPES -#include <GL/glut.h> - -#include "../util/readtex.c" /* I know, this is a hack. */ - -#define TEXTURE_FILE "../images/tile.rgb" - -static GLfloat Xrot = 0, Yrot = 0, Zrot = 0; -static GLint ImgWidth, ImgHeight; -static GLushort *ImageYUV = NULL; -static GLubyte *ImageRGB = NULL; -static const GLuint yuvObj = 100; -static const GLuint rgbObj = 101; - - -static void DrawObject(void) -{ - glBegin(GL_QUADS); - - glTexCoord2f(0, 0); - glVertex2f(-1.0, -1.0); - - glTexCoord2f(1, 0); - glVertex2f(1.0, -1.0); - - glTexCoord2f(1, 1); - glVertex2f(1.0, 1.0); - - glTexCoord2f(0, 1); - glVertex2f(-1.0, 1.0); - - glEnd(); -} - - -static void Display( void ) -{ - glClear( GL_COLOR_BUFFER_BIT ); - - glPushMatrix(); - glTranslatef( -1.1, 0.0, -15.0 ); - glRotatef(Xrot, 1.0, 0.0, 0.0); - glRotatef(Yrot, 0.0, 1.0, 0.0); - glRotatef(Zrot, 0.0, 0.0, 1.0); - glBindTexture(GL_TEXTURE_2D, yuvObj); - DrawObject(); - glPopMatrix(); - - glPushMatrix(); - glTranslatef( 1.1, 0.0, -15.0 ); - glRotatef(Xrot, 1.0, 0.0, 0.0); - glRotatef(Yrot, 0.0, 1.0, 0.0); - glRotatef(Zrot, 0.0, 0.0, 1.0); - glBindTexture(GL_TEXTURE_2D, rgbObj); - DrawObject(); - glPopMatrix(); - - glutSwapBuffers(); -} - - -static void Reshape( int width, int height ) -{ - glViewport( 0, 0, width, height ); - glMatrixMode( GL_PROJECTION ); - glLoadIdentity(); - glFrustum( -1.1, 1.1, -1.1, 1.1, 10.0, 100.0 ); - 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 ) -{ - 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(); -} - - -#define CLAMP( X, MIN, MAX ) ( (X)<(MIN) ? (MIN) : ((X)>(MAX) ? (MAX) : (X)) ) - - - -/* #define LINEAR_FILTER */ - -static void Init( int argc, char *argv[] ) -{ - const char *file; - GLenum format; - - if (!glutExtensionSupported("GL_MESA_ycbcr_texture")) { - printf("Sorry, GL_MESA_ycbcr_texture is required\n"); - exit(0); - } - - glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - - if (argc > 1) - file = argv[1]; - else - file = TEXTURE_FILE; - - /* First load the texture as YCbCr. - */ - - glBindTexture(GL_TEXTURE_2D, yuvObj); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - - ImageYUV = LoadYUVImage(file, &ImgWidth, &ImgHeight ); - if (!ImageYUV) { - printf("Couldn't read %s\n", TEXTURE_FILE); - exit(0); - } - - printf("Image: %dx%d\n", ImgWidth, ImgHeight); - - - glTexImage2D(GL_TEXTURE_2D, 0, - GL_YCBCR_MESA, - ImgWidth, ImgHeight, 0, - GL_YCBCR_MESA, - GL_UNSIGNED_SHORT_8_8_MESA, ImageYUV); - - glEnable(GL_TEXTURE_2D); - - glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); - - - - /* Now load the texture as RGB. - */ - - glBindTexture(GL_TEXTURE_2D, rgbObj); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - - ImageRGB = LoadRGBImage(file, &ImgWidth, &ImgHeight, &format ); - if (!ImageRGB) { - printf("Couldn't read %s\n", TEXTURE_FILE); - exit(0); - } - - printf("Image: %dx%d\n", ImgWidth, ImgHeight); - - - glTexImage2D(GL_TEXTURE_2D, 0, - format, - ImgWidth, ImgHeight, 0, - format, - GL_UNSIGNED_BYTE, ImageRGB); - - glEnable(GL_TEXTURE_2D); - - glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); - - - - glShadeModel(GL_FLAT); - glClearColor(0.3, 0.3, 0.4, 1.0); - - 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)); - } - - printf( "Both images should appear the same.\n" ); -} - - -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 ); - - glutMainLoop(); - return 0; -} |