CVertexArrayRange::CVertexArrayRange(float* mem,int size) {
delete[] drawArray;
drawArray=mem;
drawArraySize=mem+size;
glGenFencesNV(1, &fence);
glEnableClientState(GL_VERTEX_ARRAY_RANGE_NV);
}
Milestone::Milestone(const std::string& n) : _name(n), isSet(false) {
if (glGenFencesNV) {
if (factory.size() == 0) {
int num = 10;
factory.resize(num, DONT_SHRINK_UNDERLYING_ARRAY);
glGenFencesNV(num, factory.getCArray());
}
// Grab a preallocated fence
glfence = factory.pop();
}
}
void gen_fences(int count, unsigned int* fence_array)
// Wrapper for glGenFencesNV.
{
if (glGenFencesNV) {
glGenFencesNV(count, (GLuint*)fence_array);
}
else
{
// set all fences to 0.
for (int i = 0; i < count; i++) {
fence_array[i] = 0;
}
}
}
static void initialize_opengl_sync() {
check_opengl_sync_capabilities();
decide_opengl_sync_method();
#ifdef USE_GLES
#else
if (g_has_nv_fence) {
glGenFencesNV(1, &g_fence);
CHECK_GL_ERROR_MSG("glGenFencesNV(1, &g_fence)");
}
else if (g_has_apple_fence) {
glGenFencesAPPLE(1, &g_fence);
CHECK_GL_ERROR_MSG("glGenFencesAPPLE(1, &g_fence)");
}
#endif
}
void init_display()
{
int surface_type_id, result, i, value, scrn, num_fbconfigs;
GLXFBConfig *fbconfigs;
XVisualInfo *visInfo;
XSetWindowAttributes attributes;
Window root;
int attrib_pbuffer[6] = {GLX_PBUFFER_WIDTH, 0,
GLX_PBUFFER_HEIGHT, 0,
GLX_PRESERVED_CONTENTS,
0};
width = horizontal_size;
height = vertical_size;
if(chroma_format != CHROMA420)
error("we only support 4:2:0 chroma formats\n");
display = XOpenDisplay(NULL);
root = XDefaultRootWindow(display);
scrn = XDefaultScreen(display);
if(!GetPortId(display, &portNum, &surface_type_id))
error("couldn't find a suitable port\n");
#ifdef USE_DLOPEN
if(!ResolveFunctions(DLFILENAME))
error("couldn't resolve necessary functions\n");
#endif
result = XvMCCreateContext(display, portNum, surface_type_id,
coded_picture_width, coded_picture_height,
XVMC_DIRECT, &context);
if(result != Success)
error("couldn't create XvMCContext\n");
for(i = 0; i < numsurfaces; i++) {
result = XvMCCreateSurface(display, &context, &surfaces[i]);
if(result != Success) {
if(i < 4) {
XvMCDestroyContext(display, &context);
error("couldn't create enough XvMCSurfaces\n");
} else {
numsurfaces = i;
printf("could only allocate %i surfaces\n", numsurfaces);
}
}
surface_info[i].reference = 0;
surface_info[i].sequence_number = 0;
}
slices = slices * mb_width;
XvMCCreateBlocks(display, &context, slices * 6, &blocks);
XvMCCreateMacroBlocks(display, &context, slices, ¯o_blocks);
fbconfigs = glXChooseFBConfig(display, scrn, attr_fbconfig, &num_fbconfigs);
gl_fbconfig = *fbconfigs;
/* find the first one with no depth buffer */
for(i = 0; i < num_fbconfigs; i++) {
glXGetFBConfigAttrib(display, fbconfigs[i], GLX_DEPTH_SIZE, &value);
if(value == 0) {
gl_fbconfig = fbconfigs[i];
break;
}
}
PrintVisual();
visInfo = glXGetVisualFromFBConfig(display, gl_fbconfig);
attrib_pbuffer[1] = width;
attrib_pbuffer[3] = bob ? (height/2) : height;
gl_pbuffer = glXCreatePbuffer(display, gl_fbconfig, attrib_pbuffer);
gl_context = glXCreateNewContext(display, gl_fbconfig, GLX_RGBA_TYPE,
NULL, 1);
attributes.colormap = XCreateColormap(display, root, visInfo->visual,
AllocNone);
window = XCreateWindow(display, root, 0, 0, width, height, 0,
visInfo->depth, InputOutput,
visInfo->visual, CWColormap, &attributes);
gl_window = glXCreateWindow(display, gl_fbconfig, window, NULL);
XSelectInput(display, window, KeyPressMask | StructureNotifyMask |
Button1MotionMask | ButtonPressMask);
XMapWindow(display, window);
glXMakeContextCurrent(display, gl_window, gl_pbuffer, gl_context);
glDrawBuffer(GL_BACK);
glReadBuffer(GL_FRONT_LEFT);
tex_w = 1 << PowerOfTwo(width);
tex_h = 1 << PowerOfTwo(bob ? (height/2) : height);
printf("%i x %i texture\n", tex_w, tex_h);
glClearColor (0.0, 0.0, 0.0, 0.0);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glTexImage2D(GL_TEXTURE_2D, 0, 3, tex_w, tex_h,
0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
glEnable(GL_TEXTURE_2D);
glShadeModel(GL_FLAT);
glViewport(0, 0, width, height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glFrustum(-1.0, 1.0, -1.0, 1.0, 2, 18.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslatef(0.0, 0.0, -8);
#ifdef USE_NV_FENCE
glGenFencesNV(1, &nvFence);
glSetFenceNV(&nvFence, GL_ALL_COMPLETED_NV);
#endif
XSync(display, 0);
uiclp = uiclip+512;
for (i= -512; i<512; i++)
uiclp[i] = (i<-128) ? 0 : ((i>127) ? 255 : i+128);
iclp = iclip+512;
for (i= -512; i<512; i++)
iclp[i] = (i<-128) ? -128 : ((i>127) ? 127 : i);
niclp = niclip+512;
for (i= -512; i<512; i++)
niclp[i] = (i<-256) ? -256 : ((i>255) ? 255 : i);
}
