#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include <assert.h>
#include <string.h>
#include <regionstr.h>
#include <resource.h>
#include <GL/gl.h>
#include <GL/glxint.h>
#include <GL/glxtokens.h>
#include <GL/internal/glcore.h>
#include <scrnintstr.h>
#include <config.h>
#include <glxserver.h>
#include <glxscreens.h>
#include <glxdrawable.h>
#include <glxcontext.h>
#include <glxext.h>
#include <glxutil.h>
#include <micmap.h>
void GlxWrapInitVisuals(miInitVisualsProcPtr *);
#include "glcontextmodes.h"
struct ScreenVisualsRec {
int num_vis;
void *private;
__GLcontextModes *modes;
};
typedef struct ScreenVisualsRec ScreenVisuals;
static ScreenVisuals screenVisuals[MAXSCREENS];
static int numConfigs = 0;
static __GLXvisualConfig *visualConfigs = NULL;
static void **visualPrivates = NULL;
static int count_bits(unsigned int n)
{
int bits = 0;
while (n > 0) {
if (n & 1) bits++;
n >>= 1;
}
return bits;
}
#define NUM_FALLBACK_CONFIGS 5
static __GLXvisualConfig FallbackConfigs[NUM_FALLBACK_CONFIGS] = {
{
-1,
-1,
True,
-1, -1, -1, 0,
-1, -1, -1, 0,
0, 0, 0, 0,
True,
False,
-1,
16,
0,
0,
0,
GLX_NONE,
GLX_NONE,
0, 0, 0, 0,
0
},
{
-1,
-1,
True,
-1, -1, -1, 0,
-1, -1, -1, 0,
16, 16, 16, 0,
True,
False,
-1,
16,
8,
0,
0,
GLX_NONE,
GLX_NONE,
0, 0, 0, 0,
0
},
{
-1,
-1,
True,
-1, -1, -1, 8,
-1, -1, -1, -1,
16, 16, 16, 16,
True,
False,
-1,
16,
8,
0,
0,
GLX_NONE,
GLX_NONE,
0, 0, 0, 0,
0
},
{
-1,
-1,
True,
-1, -1, -1, 8,
-1, -1, -1, -1,
16, 16, 16, 16,
False,
False,
-1,
16,
8,
0,
0,
GLX_NONE,
GLX_NONE,
0, 0, 0, 0,
0
},
{
-1,
-1,
False,
-1, -1, -1, 0,
-1, -1, -1, 0,
0, 0, 0, 0,
True,
False,
-1,
16,
0,
0,
0,
GLX_NONE,
GLX_NONE,
0, 0, 0, 0,
0
},
};
static Bool init_visuals(int *nvisualp, VisualPtr *visualp,
VisualID *defaultVisp,
int ndepth, DepthPtr pdepth,
int rootDepth)
{
int numRGBconfigs;
int numCIconfigs;
int numVisuals = *nvisualp;
int numNewVisuals;
int numNewConfigs;
VisualPtr pVisual = *visualp;
VisualPtr pVisualNew = NULL;
VisualID *orig_vid = NULL;
__GLcontextModes *modes;
__GLXvisualConfig *pNewVisualConfigs = NULL;
void **glXVisualPriv;
void **pNewVisualPriv;
int found_default;
int i, j, k;
if (numConfigs > 0)
numNewConfigs = numConfigs;
else
numNewConfigs = NUM_FALLBACK_CONFIGS;
pNewVisualConfigs = (__GLXvisualConfig *)
xalloc(numNewConfigs * sizeof(__GLXvisualConfig));
if (!pNewVisualConfigs) {
return FALSE;
}
pNewVisualPriv = (void **) xalloc(numNewConfigs * sizeof(void *));
if (!pNewVisualPriv) {
xfree(pNewVisualConfigs);
return FALSE;
}
if (numConfigs == 0) {
memcpy(pNewVisualConfigs, FallbackConfigs,
NUM_FALLBACK_CONFIGS * sizeof(__GLXvisualConfig));
memset(pNewVisualPriv, 0, NUM_FALLBACK_CONFIGS * sizeof(void *));
}
else {
for (i = 0; i < numConfigs; i++) {
pNewVisualConfigs[i] = visualConfigs[i];
pNewVisualPriv[i] = visualPrivates[i];
}
}
numRGBconfigs = 0;
numCIconfigs = 0;
for (i = 0; i < numNewConfigs; i++) {
if (pNewVisualConfigs[i].rgba)
numRGBconfigs++;
else
numCIconfigs++;
}
numNewVisuals = 0;
for (i = 0; i < numVisuals; i++) {
numNewVisuals +=
(pVisual[i].class == TrueColor || pVisual[i].class == DirectColor)
? numRGBconfigs : numCIconfigs;
}
visualConfigs = NULL;
numConfigs = 0;
orig_vid = (VisualID *) xalloc(numNewVisuals * sizeof(VisualID));
if (!orig_vid) {
xfree(pNewVisualPriv);
xfree(pNewVisualConfigs);
return FALSE;
}
modes = _gl_context_modes_create(numNewVisuals, sizeof(__GLcontextModes));
if (modes == NULL) {
xfree(orig_vid);
xfree(pNewVisualPriv);
xfree(pNewVisualConfigs);
return FALSE;
}
glXVisualPriv = (void **)xalloc(numNewVisuals * sizeof(void *));
if (!glXVisualPriv) {
_gl_context_modes_destroy( modes );
xfree(orig_vid);
xfree(pNewVisualPriv);
xfree(pNewVisualConfigs);
return FALSE;
}
pVisualNew = (VisualPtr)xalloc(numNewVisuals * sizeof(VisualRec));
if (!pVisualNew) {
xfree(glXVisualPriv);
_gl_context_modes_destroy( modes );
xfree(orig_vid);
xfree(pNewVisualPriv);
xfree(pNewVisualConfigs);
return FALSE;
}
found_default = FALSE;
screenVisuals[screenInfo.numScreens-1].modes = modes;
for (i = j = 0; i < numVisuals; i++) {
int is_rgb = (pVisual[i].class == TrueColor ||
pVisual[i].class == DirectColor);
for (k = 0; k < numNewConfigs; k++) {
if (pNewVisualConfigs[k].rgba != is_rgb)
continue;
assert( modes != NULL );
pVisualNew[j] = pVisual[i];
pVisualNew[j].vid = FakeClientID(0);
if (!found_default && pVisual[i].vid == *defaultVisp) {
*defaultVisp = pVisualNew[j].vid;
found_default = TRUE;
}
orig_vid[j] = pVisual[i].vid;
_gl_copy_visual_to_context_mode( modes, & pNewVisualConfigs[k] );
modes->visualID = pVisualNew[j].vid;
if (modes->fbconfigID == GLX_DONT_CARE)
modes->fbconfigID = modes->visualID;
if (modes->visualType == GLX_NONE) {
modes->visualType = _gl_convert_from_x_visual_type( pVisual[i].class );
modes->redBits = count_bits(pVisual[i].redMask);
modes->greenBits = count_bits(pVisual[i].greenMask);
modes->blueBits = count_bits(pVisual[i].blueMask);
modes->alphaBits = modes->alphaBits;
modes->redMask = pVisual[i].redMask;
modes->greenMask = pVisual[i].greenMask;
modes->blueMask = pVisual[i].blueMask;
modes->alphaMask = modes->alphaMask;
modes->rgbBits = (is_rgb)
? (modes->redBits + modes->greenBits +
modes->blueBits + modes->alphaBits)
: rootDepth;
}
glXVisualPriv[j] = pNewVisualPriv[k];
j++;
modes = modes->next;
}
}
assert(j <= numNewVisuals);
screenVisuals[screenInfo.numScreens-1].num_vis = numNewVisuals;
screenVisuals[screenInfo.numScreens-1].private = glXVisualPriv;
for (i = 0; i < ndepth; i++) {
int numVids = 0;
VisualID *pVids = NULL;
int k, n = 0;
for (j = 0; j < pdepth[i].numVids; j++)
for (k = 0; k < numNewVisuals; k++)
if (pdepth[i].vids[j] == orig_vid[k])
numVids++;
pVids = (VisualID *)xalloc(numVids * sizeof(VisualID));
for (j = 0; j < pdepth[i].numVids; j++)
for (k = 0; k < numNewVisuals; k++)
if (pdepth[i].vids[j] == orig_vid[k])
pVids[n++] = pVisualNew[k].vid;
xfree(pdepth[i].vids);
pdepth[i].vids = pVids;
pdepth[i].numVids = numVids;
}
*nvisualp = numNewVisuals;
*visualp = pVisualNew;
xfree(pVisual);
xfree(orig_vid);
xfree(pNewVisualPriv);
xfree(pNewVisualConfigs);
if (visualPrivates)
xfree(visualPrivates);
visualPrivates = NULL;
return TRUE;
}
void GlxSetVisualConfigs(int nconfigs,
__GLXvisualConfig *configs, void **privates)
{
numConfigs = nconfigs;
visualConfigs = configs;
visualPrivates = privates;
}
static miInitVisualsProcPtr saveInitVisualsProc;
Bool GlxInitVisuals(VisualPtr *visualp, DepthPtr *depthp,
int *nvisualp, int *ndepthp,
int *rootDepthp, VisualID *defaultVisp,
unsigned long sizes, int bitsPerRGB,
int preferredVis)
{
Bool ret;
if (saveInitVisualsProc) {
ret = saveInitVisualsProc(visualp, depthp, nvisualp, ndepthp,
rootDepthp, defaultVisp, sizes, bitsPerRGB,
preferredVis);
if (!ret)
return False;
}
init_visuals(nvisualp, visualp, defaultVisp,
*ndepthp, *depthp, *rootDepthp);
return True;
}
void
GlxWrapInitVisuals(miInitVisualsProcPtr *initVisProc)
{
saveInitVisualsProc = *initVisProc;
*initVisProc = GlxInitVisuals;
}
static void fixup_visuals(int screen)
{
ScreenPtr pScreen = screenInfo.screens[screen];
ScreenVisuals *psv = &screenVisuals[screen];
int j;
__GLcontextModes *modes;
for ( modes = psv->modes ; modes != NULL ; modes = modes->next ) {
const int vis_class = _gl_convert_to_x_visual_type( modes->visualType );
const int nplanes = (modes->rgbBits - modes->alphaBits);
const VisualPtr pVis = pScreen->visuals;
for (j = 0; j < pScreen->numVisuals; j++) {
if (pVis[j].class == vis_class &&
pVis[j].nplanes == nplanes) {
modes->redMask = pVis[j].redMask;
modes->greenMask = pVis[j].greenMask;
modes->blueMask = pVis[j].blueMask;
modes->redBits = count_bits(modes->redMask);
modes->greenBits = count_bits(modes->greenMask);
modes->blueBits = count_bits(modes->blueMask);
}
}
}
}
void __glXScreenInitVisuals(__GLXscreen *screen)
{
int index = screen->pScreen->myNum;
screen->modes = screenVisuals[index].modes;
screen->pVisualPriv = screenVisuals[index].private;
screen->numVisuals = screenVisuals[index].num_vis;
screen->numUsableVisuals = screenVisuals[index].num_vis;
fixup_visuals(index);
}