diff options
Diffstat (limited to 'nx-X11/extras/Mesa_6.4.1/progs/xdemos/yuvrect_client.c')
| -rw-r--r-- | nx-X11/extras/Mesa_6.4.1/progs/xdemos/yuvrect_client.c | 326 |
1 files changed, 0 insertions, 326 deletions
diff --git a/nx-X11/extras/Mesa_6.4.1/progs/xdemos/yuvrect_client.c b/nx-X11/extras/Mesa_6.4.1/progs/xdemos/yuvrect_client.c deleted file mode 100644 index 48f82cb75..000000000 --- a/nx-X11/extras/Mesa_6.4.1/progs/xdemos/yuvrect_client.c +++ /dev/null @@ -1,326 +0,0 @@ -/* - * Test the GL_NV_texture_rectangle and GL_MESA_ycrcb_texture extensions and GLX_MESA_allocate-memory - * - * Dave Airlie - Feb 2005 - */ - -#include <assert.h> -#include <math.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <X11/Xlib.h> -#include <X11/keysym.h> -#define GL_GLEXT_PROTOTYPES -#include <GL/glx.h> - -#include "../util/readtex.c" /* I know, this is a hack. */ - -#define TEXTURE_FILE "../images/girl2.rgb" - -static GLfloat Xrot = 0, Yrot = 0, Zrot = 0; -static GLint ImgWidth, ImgHeight; -static GLushort *ImageYUV = NULL; -static void *glx_memory; - -static void DrawObject(void) -{ - glBegin(GL_QUADS); - - glTexCoord2f(0, 0); - glVertex2f(-1.0, -1.0); - - glTexCoord2f(ImgWidth, 0); - glVertex2f(1.0, -1.0); - - glTexCoord2f(ImgWidth, ImgHeight); - glVertex2f(1.0, 1.0); - - glTexCoord2f(0, ImgHeight); - glVertex2f(-1.0, 1.0); - - glEnd(); -} - - -static void scr_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); - DrawObject(); - glPopMatrix(); - -} - - -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 ); - glMatrixMode( GL_MODELVIEW ); - glLoadIdentity(); - glTranslatef( 0.0, 0.0, -15.0 ); -} - -static int queryClient(Display *dpy, int screen) -{ -#ifdef GLX_MESA_allocate_memory - char *extensions; - - extensions = (char *)glXQueryExtensionsString(dpy, screen); - if (!extensions || !strstr(extensions,"GLX_MESA_allocate_memory")) { - return 0; - } - - return 1; -#else - return 0; -#endif -} - -static int -query_extension(char* extName) { - char *p = (char *) glGetString(GL_EXTENSIONS); - char *end = p + strlen(p); - while (p < end) { - int n = strcspn(p, " "); - if ((strlen(extName) == n) && (strncmp(extName, p, n) == 0)) - return GL_TRUE; - p += (n + 1); - } - return GL_FALSE; -} - -static void Init( int argc, char *argv[] , Display *dpy, int screen, Window win) -{ - GLuint texObj = 100; - const char *file; - void *glx_memory; - - if (!query_extension("GL_NV_texture_rectangle")) { - printf("Sorry, GL_NV_texture_rectangle is required\n"); - exit(0); - } - - if (!query_extension("GL_MESA_ycbcr_texture")) { - printf("Sorry, GL_MESA_ycbcr_texture is required\n"); - exit(0); - } - - if (!queryClient(dpy, screen)) { - printf("Sorry, GLX_MESA_allocate_memory is required\n"); - exit(0); - } - - glPixelStorei(GL_UNPACK_CLIENT_STORAGE_APPLE, 1); - glBindTexture(GL_TEXTURE_RECTANGLE_NV, texObj); -#ifdef LINEAR_FILTER - /* linear filtering looks much nicer but is much slower for Mesa */ - glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MAG_FILTER, GL_LINEAR); -#else - glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MAG_FILTER, GL_NEAREST); -#endif - - if (argc > 1) - file = argv[1]; - else - file = TEXTURE_FILE; - - ImageYUV = LoadYUVImage(file, &ImgWidth, &ImgHeight); - if (!ImageYUV) { - printf("Couldn't read %s\n", TEXTURE_FILE); - exit(0); - } - - glx_memory = glXAllocateMemoryMESA(dpy, screen, ImgWidth * ImgHeight * 2, 0, 0 ,0); - if (!glx_memory) - { - fprintf(stderr,"Failed to allocate MESA memory\n"); - exit(-1); - } - - memcpy(glx_memory, ImageYUV, ImgWidth * ImgHeight * 2); - - printf("Image: %dx%d\n", ImgWidth, ImgHeight); - - glTexImage2D(GL_TEXTURE_RECTANGLE_NV, 0, - GL_YCBCR_MESA, ImgWidth, ImgHeight, 0, - GL_YCBCR_MESA, GL_UNSIGNED_SHORT_8_8_APPLE, glx_memory); - - assert(glGetError() == GL_NO_ERROR); - - glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); - - glEnable(GL_TEXTURE_RECTANGLE_NV); - - glShadeModel(GL_FLAT); - glClearColor(0.3, 0.3, 0.4, 1.0); - -} - -/* - * Create an RGB, double-buffered window. - * Return the window and context handles. - */ -static void -make_window( Display *dpy, const char *name, - int x, int y, int width, int height, - Window *winRet, GLXContext *ctxRet) -{ - int attribs[] = { GLX_RGBA, - GLX_RED_SIZE, 1, - GLX_GREEN_SIZE, 1, - GLX_BLUE_SIZE, 1, - GLX_DOUBLEBUFFER, - GLX_DEPTH_SIZE, 1, - None }; - int scrnum; - XSetWindowAttributes attr; - unsigned long mask; - Window root; - Window win; - GLXContext ctx; - XVisualInfo *visinfo; - - scrnum = DefaultScreen( dpy ); - root = RootWindow( dpy, scrnum ); - - visinfo = glXChooseVisual( dpy, scrnum, attribs ); - if (!visinfo) { - printf("Error: couldn't get an RGB, Double-buffered visual\n"); - exit(1); - } - - /* window attributes */ - attr.background_pixel = 0; - attr.border_pixel = 0; - attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone); - attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask; - attr.override_redirect = 0; - mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask | CWOverrideRedirect; - - win = XCreateWindow( dpy, root, 0, 0, width, height, - 0, visinfo->depth, InputOutput, - visinfo->visual, mask, &attr ); - - /* set hints and properties */ - { - XSizeHints sizehints; - sizehints.x = x; - sizehints.y = y; - sizehints.width = width; - sizehints.height = height; - sizehints.flags = USSize | USPosition; - XSetNormalHints(dpy, win, &sizehints); - XSetStandardProperties(dpy, win, name, name, - None, (char **)NULL, 0, &sizehints); - } - - ctx = glXCreateContext( dpy, visinfo, NULL, True ); - if (!ctx) { - printf("Error: glXCreateContext failed\n"); - exit(1); - } - - XFree(visinfo); - - *winRet = win; - *ctxRet = ctx; -} - - -static void -event_loop(Display *dpy, Window win) -{ - while (1) { - while (XPending(dpy) > 0) { - XEvent event; - XNextEvent(dpy, &event); - switch (event.type) { - case Expose: - /* we'll redraw below */ - break; - case ConfigureNotify: - Reshape(event.xconfigure.width, event.xconfigure.height); - break; - case KeyPress: - { - char buffer[10]; - int r, code; - code = XLookupKeysym(&event.xkey, 0); - r = XLookupString(&event.xkey, buffer, sizeof(buffer), - NULL, NULL); - if (buffer[0] == 27) { - /* escape */ - return; - - } - } - } - } - - } -} - - -int -main(int argc, char *argv[]) -{ - Display *dpy; - Window win; - GLXContext ctx; - char *dpyName = NULL; - GLboolean printInfo = GL_FALSE; - int i; - - for (i = 1; i < argc; i++) { - if (strcmp(argv[i], "-display") == 0) { - dpyName = argv[i+1]; - i++; - } - else if (strcmp(argv[i], "-info") == 0) { - printInfo = GL_TRUE; - } - else - printf("Warrning: unknown parameter: %s\n", argv[i]); - } - - dpy = XOpenDisplay(dpyName); - if (!dpy) { - printf("Error: couldn't open display %s\n", - dpyName ? dpyName : getenv("DISPLAY")); - return -1; - } - - make_window(dpy, "yuvrect_client", 0, 0, 300, 300, &win, &ctx); - XMapWindow(dpy, win); - glXMakeCurrent(dpy, win, ctx); - - if (printInfo) { - 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)); - } - - Init(argc, argv, dpy, DefaultScreen(dpy), win); - - scr_Display(); - glXSwapBuffers(dpy, win); - event_loop(dpy, win); - - glXFreeMemoryMESA(dpy, DefaultScreen(dpy), glx_memory); - glXDestroyContext(dpy, ctx); - XDestroyWindow(dpy, win); - XCloseDisplay(dpy); - - return 0; -} |