/*
* xprAddScreen
* Init the framebuffer and record pixmap parameters for the screen.
*/
static Bool
xprAddScreen(int index, ScreenPtr pScreen)
{
DarwinFramebufferPtr dfb = SCREEN_PRIV(pScreen);
int depth = darwinDesiredDepth;
DEBUG_LOG("index=%d depth=%d\n", index, depth);
if(depth == -1) {
depth = CGDisplaySamplesPerPixel(kCGDirectMainDisplay) * CGDisplayBitsPerSample(kCGDirectMainDisplay);
}
switch(depth) {
case 8: // pseudo-working
dfb->visuals = PseudoColorMask;
dfb->preferredCVC = PseudoColor;
dfb->depth = 8;
dfb->bitsPerRGB = 8;
dfb->bitsPerPixel = 8;
dfb->redMask = 0;
dfb->greenMask = 0;
dfb->blueMask = 0;
break;
case 15:
dfb->visuals = TrueColorMask; //LARGE_VISUALS;
dfb->preferredCVC = TrueColor;
dfb->depth = 15;
dfb->bitsPerRGB = 5;
dfb->bitsPerPixel = 16;
dfb->redMask = RM_ARGB(0,5,5,5);
dfb->greenMask = GM_ARGB(0,5,5,5);
dfb->blueMask = BM_ARGB(0,5,5,5);
break;
// case 24:
default:
if(depth != 24)
ErrorF("Unsupported color depth requested. Defaulting to 24bit. (depth=%d darwinDesiredDepth=%d CGDisplaySamplesPerPixel=%d CGDisplayBitsPerSample=%d)\n", darwinDesiredDepth, depth, (int)CGDisplaySamplesPerPixel(kCGDirectMainDisplay), (int)CGDisplayBitsPerSample(kCGDirectMainDisplay));
dfb->visuals = TrueColorMask; //LARGE_VISUALS;
dfb->preferredCVC = TrueColor;
dfb->depth = 24;
dfb->bitsPerRGB = 8;
dfb->bitsPerPixel = 32;
dfb->redMask = RM_ARGB(0,8,8,8);
dfb->greenMask = GM_ARGB(0,8,8,8);
dfb->blueMask = BM_ARGB(0,8,8,8);
break;
}
if (noPseudoramiXExtension)
{
CGDirectDisplayID dpy;
CGRect frame;
ErrorF("Warning: noPseudoramiXExtension!\n");
dpy = displayAtIndex(index);
QuartzCopyDisplayIDs(pScreen, 1, &dpy);
frame = displayScreenBounds(dpy);
dfb->x = frame.origin.x;
dfb->y = frame.origin.y;
dfb->width = frame.size.width;
dfb->height = frame.size.height;
}
else
{
xprAddPseudoramiXScreens(&dfb->x, &dfb->y, &dfb->width, &dfb->height, pScreen);
}
/* Passing zero width (pitch) makes miCreateScreenResources set the
screen pixmap to the framebuffer pointer, i.e. NULL. The generic
rootless code takes care of making this work. */
dfb->pitch = 0;
dfb->framebuffer = NULL;
DRIScreenInit(pScreen);
return TRUE;
}
/*
* xprAddScreen
* Init the framebuffer and record pixmap parameters for the screen.
*/
static Bool
xprAddScreen(int index, ScreenPtr pScreen)
{
DarwinFramebufferPtr dfb = SCREEN_PRIV(pScreen);
int depth = darwinDesiredDepth;
DEBUG_LOG("index=%d depth=%d\n", index, depth);
if(depth == -1) {
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
depth = CGDisplaySamplesPerPixel(kCGDirectMainDisplay) * CGDisplayBitsPerSample(kCGDirectMainDisplay);
#else
CGDisplayModeRef modeRef;
CFStringRef encStrRef;
modeRef = CGDisplayCopyDisplayMode(kCGDirectMainDisplay);
if(!modeRef)
goto have_depth;
encStrRef = CGDisplayModeCopyPixelEncoding(modeRef);
CFRelease(modeRef);
if(!encStrRef)
goto have_depth;
if(CFStringCompare(encStrRef, CFSTR(IO32BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo) {
depth = 24;
} else if(CFStringCompare(encStrRef, CFSTR(IO16BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo) {
depth = 15;
} else if(CFStringCompare(encStrRef, CFSTR(IO8BitIndexedPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo) {
depth = 8;
}
CFRelease(encStrRef);
#endif
}
have_depth:
switch(depth) {
case 8: // pseudo-working
dfb->visuals = PseudoColorMask;
dfb->preferredCVC = PseudoColor;
dfb->depth = 8;
dfb->bitsPerRGB = 8;
dfb->bitsPerPixel = 8;
dfb->redMask = 0;
dfb->greenMask = 0;
dfb->blueMask = 0;
break;
case 15:
dfb->visuals = TrueColorMask; //LARGE_VISUALS;
dfb->preferredCVC = TrueColor;
dfb->depth = 15;
dfb->bitsPerRGB = 5;
dfb->bitsPerPixel = 16;
dfb->redMask = RM_ARGB(0,5,5,5);
dfb->greenMask = GM_ARGB(0,5,5,5);
dfb->blueMask = BM_ARGB(0,5,5,5);
break;
// case 24:
default:
if(depth != 24)
ErrorF("Unsupported color depth requested. Defaulting to 24bit. (depth=%d darwinDesiredDepth=%d)\n", depth, darwinDesiredDepth);
dfb->visuals = TrueColorMask; //LARGE_VISUALS;
dfb->preferredCVC = TrueColor;
dfb->depth = 24;
dfb->bitsPerRGB = 8;
dfb->bitsPerPixel = 32;
dfb->redMask = RM_ARGB(0,8,8,8);
dfb->greenMask = GM_ARGB(0,8,8,8);
dfb->blueMask = BM_ARGB(0,8,8,8);
break;
}
if (noPseudoramiXExtension)
{
CGDirectDisplayID dpy;
CGRect frame;
ErrorF("Warning: noPseudoramiXExtension!\n");
dpy = displayAtIndex(index);
QuartzCopyDisplayIDs(pScreen, 1, &dpy);
frame = displayScreenBounds(dpy);
dfb->x = frame.origin.x;
dfb->y = frame.origin.y;
dfb->width = frame.size.width;
dfb->height = frame.size.height;
}
else
{
xprAddPseudoramiXScreens(&dfb->x, &dfb->y, &dfb->width, &dfb->height, pScreen);
}
/* Passing zero width (pitch) makes miCreateScreenResources set the
screen pixmap to the framebuffer pointer, i.e. NULL. The generic
rootless code takes care of making this work. */
dfb->pitch = 0;
dfb->framebuffer = NULL;
DRIScreenInit(pScreen);
return TRUE;
}
/* Based originally on code from indirect.c which was based on code from i830_dri.c. */
__GLXconfig *
__glXAquaCreateVisualConfigs(int *numConfigsPtr, int screenNumber)
{
int numConfigs = 0;
__GLXconfig *visualConfigs, *c;
struct glCapabilities caps;
struct glCapabilitiesConfig *conf;
int stereo, depth, aux, buffers, stencil, accum, color, msample;
if (getGlCapabilities(&caps)) {
ErrorF("error from getGlCapabilities()!\n");
return NULL;
}
/*
conf->stereo is 0 or 1, but we need at least 1 iteration of the loop,
so we treat a true conf->stereo as 2.
The depth size is 0 or 24. Thus we do 2 iterations for that.
conf->aux_buffers (when available/non-zero) result in 2 iterations instead of 1.
conf->buffers indicates whether we have single or double buffering.
conf->total_stencil_bit_depths
conf->total_color_buffers indicates the RGB/RGBA color depths.
conf->total_accum_buffers iterations for accum (with at least 1 if equal to 0)
conf->total_depth_buffer_depths
conf->multisample_buffers iterations (with at least 1 if equal to 0). We add 1
for the 0 multisampling config.
*/
assert(NULL != caps.configurations);
numConfigs = 0;
for (conf = caps.configurations; conf; conf = conf->next) {
if (conf->total_color_buffers <= 0)
continue;
numConfigs += (conf->stereo ? 2 : 1)
* (conf->aux_buffers ? 2 : 1)
* conf->buffers
* ((conf->total_stencil_bit_depths >
0) ? conf->total_stencil_bit_depths : 1)
* conf->total_color_buffers
* ((conf->total_accum_buffers >
0) ? conf->total_accum_buffers : 1)
* conf->total_depth_buffer_depths
* (conf->multisample_buffers + 1);
}
if (numConfigsPtr)
*numConfigsPtr = numConfigs;
visualConfigs = calloc(sizeof(*visualConfigs), numConfigs);
if (NULL == visualConfigs) {
ErrorF("xcalloc failure when allocating visualConfigs\n");
freeGlCapabilities(&caps);
return NULL;
}
c = visualConfigs; /* current buffer */
for (conf = caps.configurations; conf; conf = conf->next) {
for (stereo = 0; stereo < (conf->stereo ? 2 : 1); ++stereo) {
for (aux = 0; aux < (conf->aux_buffers ? 2 : 1); ++aux) {
for (buffers = 0; buffers < conf->buffers; ++buffers) {
for (stencil = 0;
stencil < ((conf->total_stencil_bit_depths > 0) ?
conf->
total_stencil_bit_depths : 1);
++stencil) {
for (color = 0; color < conf->total_color_buffers;
++color) {
for (accum = 0;
accum < ((conf->total_accum_buffers > 0) ?
conf->
total_accum_buffers : 1);
++accum) {
for (depth = 0;
depth < conf->total_depth_buffer_depths;
++depth) {
for (msample = 0;
msample <
(conf->multisample_buffers + 1);
++msample) {
// Global
c->visualID = -1;
c->visualType = GLX_TRUE_COLOR;
c->next = c + 1;
c->screen = screenNumber;
c->level = 0;
c->indexBits = 0;
c->pixmapMode = 0; // TODO: What should this be?
if (conf->accelerated) {
c->visualRating = GLX_NONE;
}
else {
c->visualRating =
GLX_SLOW_VISUAL_EXT;
}
c->transparentPixel = GLX_NONE;
c->transparentRed = GLX_NONE;
c->transparentGreen = GLX_NONE;
c->transparentBlue = GLX_NONE;
c->transparentAlpha = GLX_NONE;
c->transparentIndex = GLX_NONE;
c->visualSelectGroup = 0;
c->swapMethod =
GLX_SWAP_UNDEFINED_OML;
// Stereo
c->stereoMode = stereo ? TRUE : FALSE;
// Aux buffers
c->numAuxBuffers =
aux ? conf->aux_buffers : 0;
// Double Buffered
c->doubleBufferMode =
buffers ? TRUE : FALSE;
// Stencil Buffer
if (conf->total_stencil_bit_depths >
0) {
c->stencilBits =
conf->stencil_bit_depths[
stencil];
}
else {
c->stencilBits = 0;
}
// Color
if (GLCAPS_COLOR_BUF_INVALID_VALUE !=
conf->color_buffers[color].a) {
c->alphaBits =
conf->color_buffers[color].a;
}
else {
c->alphaBits = 0;
}
c->redBits =
conf->color_buffers[color].r;
c->greenBits =
conf->color_buffers[color].g;
c->blueBits =
conf->color_buffers[color].b;
c->rgbBits = c->alphaBits +
c->redBits +
c->greenBits +
c->blueBits;
c->alphaMask =
AM_ARGB(c->alphaBits, c->redBits,
c->greenBits,
c->blueBits);
c->redMask =
RM_ARGB(c->alphaBits, c->redBits,
c->greenBits,
c->blueBits);
c->greenMask =
GM_ARGB(c->alphaBits, c->redBits,
c->greenBits,
c->blueBits);
c->blueMask =
BM_ARGB(c->alphaBits, c->redBits,
c->greenBits,
c->blueBits);
// Accumulation Buffers
if (conf->total_accum_buffers > 0) {
c->accumRedBits =
conf->accum_buffers[accum].r;
c->accumGreenBits =
conf->accum_buffers[accum].g;
c->accumBlueBits =
conf->accum_buffers[accum].b;
if (
GLCAPS_COLOR_BUF_INVALID_VALUE
!=
conf->accum_buffers[accum].a)
{
c->accumAlphaBits =
conf->accum_buffers[accum
].a;
}
else {
c->accumAlphaBits = 0;
}
}
else {
c->accumRedBits = 0;
c->accumGreenBits = 0;
c->accumBlueBits = 0;
c->accumAlphaBits = 0;
}
// Depth
c->depthBits =
conf->depth_buffers[depth];
// MultiSample
if (msample > 0) {
c->samples =
conf->multisample_samples;
c->sampleBuffers =
conf->multisample_buffers;
}
else {
c->samples = 0;
c->sampleBuffers = 0;
}
/*
* The Apple libGL supports GLXPixmaps and
* GLXPbuffers in direct mode.
*/
/* SGIX_fbconfig / GLX 1.3 */
c->drawableType = GLX_WINDOW_BIT |
GLX_PIXMAP_BIT |
GLX_PBUFFER_BIT;
c->renderType = GLX_RGBA_BIT;
c->xRenderable = GL_TRUE;
c->fbconfigID = -1;
/* SGIX_pbuffer / GLX 1.3 */
/*
* The CGL layer provides a way of retrieving
* the maximum pbuffer width/height, but only
* if we create a context and call glGetIntegerv.
*
* The following values are from a test program
* that does so.
*/
c->maxPbufferWidth = 8192;
c->maxPbufferHeight = 8192;
c->maxPbufferPixels =
/*Do we need this?*/ 0;
/*
* There is no introspection for this sort of thing
* with CGL. What should we do realistically?
*/
c->optimalPbufferWidth = 0;
c->optimalPbufferHeight = 0;
/* EXT_texture_from_pixmap */
c->bindToTextureRgb = 0;
c->bindToTextureRgba = 0;
c->bindToMipmapTexture = 0;
c->bindToTextureTargets = 0;
c->yInverted = 0;
c = c->next;
}
}
}
}
}
}
}
}
}
(c - 1)->next = NULL;
if (c - visualConfigs != numConfigs) {
FatalError(
"numConfigs calculation error in setVisualConfigs! numConfigs is %d i is %d\n",
numConfigs, (int)(c - visualConfigs));
}
freeGlCapabilities(&caps);
return visualConfigs;
}
