From 68fc4b415e322f6744299e39864fbc377c6eff74 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Fri, 21 May 2010 09:32:38 -0700 Subject: 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. --- progs/tests/texcompress2.c | 292 --------------------------------------------- 1 file changed, 292 deletions(-) delete mode 100644 progs/tests/texcompress2.c (limited to 'progs/tests/texcompress2.c') diff --git a/progs/tests/texcompress2.c b/progs/tests/texcompress2.c deleted file mode 100644 index b95aca9fb9..0000000000 --- a/progs/tests/texcompress2.c +++ /dev/null @@ -1,292 +0,0 @@ -/* - * Test texture compression. - */ - - -#include -#include -#include -#include -#include "readtex.c" - -#define IMAGE_FILE "../images/arch.rgb" - -static int ImgWidth, ImgHeight; -static GLenum ImgFormat; -static GLenum CompFormat; -static GLfloat EyeDist = 5.0; -static GLfloat Rot = 0.0; -const GLenum Target = GL_TEXTURE_2D; - - -static void -CheckError(int line) -{ - GLenum err = glGetError(); - if (err) { - printf("GL Error %d at line %d\n", (int) err, line); - } -} - - -static const char * -LookupFormat(GLenum format) -{ - switch (format) { - case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: - return "GL_COMPRESSED_RGB_S3TC_DXT1_EXT"; - case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: - return "GL_COMPRESSED_RGBA_S3TC_DXT1_EXT"; - case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: - return "GL_COMPRESSED_RGBA_S3TC_DXT3_EXT"; - default: - return "other"; - } -} - - -static void -TestSubTex(void) -{ - GLboolean all = 0*GL_TRUE; - GLubyte *buffer; - GLint size, fmt; - - glGetTexLevelParameteriv(Target, 0, - GL_TEXTURE_COMPRESSED_IMAGE_SIZE_ARB, &size); - glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_INTERNAL_FORMAT, &fmt); - - buffer = (GLubyte *) malloc(size); - glGetCompressedTexImageARB(Target, 0, buffer); - - printf("Testing sub-texture replacement\n"); - if (all) - glCompressedTexImage2DARB(Target, 0, - fmt, ImgWidth, ImgHeight, 0, - size, buffer); - else { - /* bottom half */ - glCompressedTexSubImage2DARB(Target, 0, - 0, 0, /* pos */ - ImgWidth, ImgHeight / 2, - fmt, size/2, buffer); - /* top half */ - glCompressedTexSubImage2DARB(Target, 0, - 0, ImgHeight / 2, /* pos */ - ImgWidth, ImgHeight / 2, - fmt, size/2, buffer + size / 2); - } - - free(buffer); -} - - -static void -TestGetTex(void) -{ - GLubyte *buffer; - - buffer = (GLubyte *) malloc(3 * ImgWidth * ImgHeight); - - glGetTexImage(GL_TEXTURE_2D, - 0, - GL_RGB, - GL_UNSIGNED_BYTE, - buffer); - - free(buffer); -} - - -static void -LoadCompressedImage(const char *file) -{ - const GLenum filter = GL_LINEAR; - GLubyte *image; - GLint p; - - glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - glPixelStorei(GL_PACK_ALIGNMENT, 1); - - /* - * Load image and scale if needed. - */ - image = LoadRGBImage( file, &ImgWidth, &ImgHeight, &ImgFormat ); - if (!image) { - printf("Couldn't read %s\n", IMAGE_FILE); - exit(0); - } - printf("Image is %d x %d\n", ImgWidth, ImgHeight); - - /* power of two */ - assert(ImgWidth == 128 || ImgWidth == 256 || ImgWidth == 512); - assert(ImgWidth == 128 || ImgHeight == 256 || ImgHeight == 512); - - if (ImgFormat == GL_RGB) - CompFormat = GL_COMPRESSED_RGB_S3TC_DXT1_EXT; - else - CompFormat = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; - - if (ImgFormat == GL_RGBA) { - int i, numAlpha = 0; - for (i = 0; i < ImgWidth * ImgHeight; i++) { - if (image[i*4+3] != 0 && image[i*4+3] != 0xff) { - numAlpha++; - } - if (image[i*4+3] == 0) - image[i*4+3] = 4 * i / ImgWidth; - } - printf("Num Alpha !=0,255: %d\n", numAlpha); - } - - CompFormat = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; - - - /* - * Give image to OpenGL and have it compress it. - */ - glTexImage2D(Target, 0, CompFormat, ImgWidth, ImgHeight, 0, - ImgFormat, GL_UNSIGNED_BYTE, image); - CheckError(__LINE__); - - free(image); - - glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_INTERNAL_FORMAT, &p); - printf("Compressed Internal Format: %s (0x%x)\n", LookupFormat(p), p); - assert(p == CompFormat); - - printf("Original size: %d bytes\n", ImgWidth * ImgHeight * 3); - glGetTexLevelParameteriv(Target, 0, GL_TEXTURE_COMPRESSED_IMAGE_SIZE_ARB, &p); - printf("Compressed size: %d bytes\n", p); - - glTexParameteri(Target, GL_TEXTURE_MIN_FILTER, filter); - glTexParameteri(Target, GL_TEXTURE_MAG_FILTER, filter); - - if (0) - TestSubTex(); - else - TestGetTex(); - -} - - -static void -Init(const char *file) -{ - GLint numFormats, formats[100]; - GLint p; - - if (!glutExtensionSupported("GL_ARB_texture_compression")) { - printf("Sorry, GL_ARB_texture_compression is required.\n"); - exit(1); - } - if (!glutExtensionSupported("GL_EXT_texture_compression_s3tc")) { - printf("Sorry, GL_EXT_texture_compression_s3tc is required.\n"); - exit(1); - } - - printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION)); - printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); - - glGetIntegerv(GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB, &numFormats); - glGetIntegerv(GL_COMPRESSED_TEXTURE_FORMATS_ARB, formats); - printf("%d supported compression formats: ", numFormats); - for (p = 0; p < numFormats; p++) - printf("0x%x ", formats[p]); - printf("\n"); - - LoadCompressedImage(file); - - glEnable(GL_TEXTURE_2D); - - if (ImgFormat == GL_RGBA) { - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - glEnable(GL_BLEND); - } -} - - -static void -Reshape( int width, int height ) -{ - glViewport( 0, 0, width, height ); - glMatrixMode( GL_PROJECTION ); - glLoadIdentity(); - glFrustum(-1, 1, -1, 1, 4, 100); - glMatrixMode( GL_MODELVIEW ); - glLoadIdentity(); -} - - -static void -Key( unsigned char key, int x, int y ) -{ - (void) x; - (void) y; - switch (key) { - case 'd': - EyeDist -= 1.0; - if (EyeDist < 4.0) - EyeDist = 4.0; - break; - case 'D': - EyeDist += 1.0; - break; - case 'z': - Rot += 5.0; - break; - case 'Z': - Rot -= 5.0; - break; - case 27: - exit(0); - break; - } - glutPostRedisplay(); -} - - -static void -Draw( void ) -{ - glClearColor(0.3, 0.3, .8, 0); - glClear(GL_COLOR_BUFFER_BIT); - - glPushMatrix(); - glTranslatef(0, 0, -(EyeDist+0.01)); - glRotatef(Rot, 0, 0, 1); - 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(); - - glutSwapBuffers(); -} - - -int -main( int argc, char *argv[] ) -{ - glutInit( &argc, argv ); - glutInitWindowSize( 600, 600 ); - - glutInitDisplayMode( GLUT_RGB | GLUT_DOUBLE); - - glutCreateWindow(argv[0]); - glewInit(); - - glutReshapeFunc( Reshape ); - glutKeyboardFunc( Key ); - glutDisplayFunc( Draw ); - - if (argc > 1) - Init(argv[1]); - else - Init(IMAGE_FILE); - - glutMainLoop(); - return 0; -} -- cgit v1.2.3