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mesa/xlib: Remove support for color-index rendering 

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
This commit is contained in:
Ian Romanick 2010-02-24 17:44:28 -08:00
parent 641705f032
commit 81fe9949ef
3 changed files with 154 additions and 319 deletions
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343
src/mesa/drivers/x11/fakeglx.c
View File

@ -152,13 +152,8 @@ is_usable_visual( XVisualInfo *vinfo )
return GL_TRUE;
case StaticColor:
case PseudoColor:
/* Any StaticColor/PseudoColor visual of at least 4 bits */
if (vinfo->depth>=4) {
return GL_TRUE;
}
else {
return GL_FALSE;
}
/* Color-index rendering is not supported. */
return GL_FALSE;
case TrueColor:
case DirectColor:
/* Any depth of TrueColor or DirectColor works in RGB mode */
@ -268,7 +263,7 @@ level_of_visual( Display *dpy, XVisualInfo *vinfo )
*/
static XMesaVisual
save_glx_visual( Display *dpy, XVisualInfo *vinfo,
GLboolean rgbFlag, GLboolean alphaFlag, GLboolean dbFlag,
GLboolean alphaFlag, GLboolean dbFlag,
GLboolean stereoFlag,
GLint depth_size, GLint stencil_size,
GLint accumRedSize, GLint accumGreenSize,
@ -309,7 +304,7 @@ save_glx_visual( Display *dpy, XVisualInfo *vinfo,
comparePointers = GL_FALSE;
/* Force the visual to have an alpha channel */
if (rgbFlag && _mesa_getenv("MESA_GLX_FORCE_ALPHA"))
if (_mesa_getenv("MESA_GLX_FORCE_ALPHA"))
alphaFlag = GL_TRUE;
/* First check if a matching visual is already in the list */
@ -319,7 +314,6 @@ save_glx_visual( Display *dpy, XVisualInfo *vinfo,
&& v->mesa_visual.level == level
&& v->mesa_visual.numAuxBuffers == numAuxBuffers
&& v->ximage_flag == ximageFlag
&& v->mesa_visual.rgbMode == rgbFlag
&& v->mesa_visual.doubleBufferMode == dbFlag
&& v->mesa_visual.stereoMode == stereoFlag
&& (v->mesa_visual.alphaBits > 0) == alphaFlag
@ -339,7 +333,7 @@ save_glx_visual( Display *dpy, XVisualInfo *vinfo,
/* Create a new visual and add it to the list. */
xmvis = XMesaCreateVisual( dpy, vinfo, rgbFlag, alphaFlag, dbFlag,
xmvis = XMesaCreateVisual( dpy, vinfo, GL_TRUE, alphaFlag, dbFlag,
stereoFlag, ximageFlag,
depth_size, stencil_size,
accumRedSize, accumBlueSize,
@ -422,53 +416,26 @@ create_glx_visual( Display *dpy, XVisualInfo *visinfo )
vislevel = level_of_visual( dpy, visinfo );
if (vislevel) {
/* Configure this visual as a CI, single-buffered overlay */
return save_glx_visual( dpy, visinfo,
GL_FALSE, /* rgb */
GL_FALSE, /* alpha */
GL_FALSE, /* double */
GL_FALSE, /* stereo */
0, /* depth bits */
0, /* stencil bits */
0,0,0,0, /* accum bits */
vislevel, /* level */
0 /* numAux */
);
/* Color-index rendering to overlays is not supported. */
return NULL;
}
else if (is_usable_visual( visinfo )) {
if (_mesa_getenv("MESA_GLX_FORCE_CI")) {
/* Configure this visual as a COLOR INDEX visual. */
return save_glx_visual( dpy, visinfo,
GL_FALSE, /* rgb */
GL_FALSE, /* alpha */
GL_TRUE, /* double */
GL_FALSE, /* stereo */
zBits,
STENCIL_BITS,
0, 0, 0, 0, /* accum bits */
0, /* level */
0 /* numAux */
);
}
else {
/* Configure this visual as RGB, double-buffered, depth-buffered. */
/* This is surely wrong for some people's needs but what else */
/* can be done? They should use glXChooseVisual(). */
return save_glx_visual( dpy, visinfo,
GL_TRUE, /* rgb */
alphaFlag, /* alpha */
GL_TRUE, /* double */
GL_FALSE, /* stereo */
zBits,
STENCIL_BITS,
accBits, /* r */
accBits, /* g */
accBits, /* b */
accBits, /* a */
0, /* level */
0 /* numAux */
);
}
/* Configure this visual as RGB, double-buffered, depth-buffered. */
/* This is surely wrong for some people's needs but what else */
/* can be done? They should use glXChooseVisual(). */
return save_glx_visual( dpy, visinfo,
alphaFlag, /* alpha */
GL_TRUE, /* double */
GL_FALSE, /* stereo */
zBits,
STENCIL_BITS,
accBits, /* r */
accBits, /* g */
accBits, /* b */
accBits, /* a */
0, /* level */
0 /* numAux */
);
}
else {
_mesa_warning(NULL, "Mesa: error in glXCreateContext: bad visual\n");
@ -623,8 +590,6 @@ get_env_visual(Display *dpy, int scr, const char *varname)
if (strcmp(type,"TrueColor")==0) xclass = TrueColor;
else if (strcmp(type,"DirectColor")==0) xclass = DirectColor;
else if (strcmp(type,"PseudoColor")==0) xclass = PseudoColor;
else if (strcmp(type,"StaticColor")==0) xclass = StaticColor;
else if (strcmp(type,"GrayScale")==0) xclass = GrayScale;
else if (strcmp(type,"StaticGray")==0) xclass = StaticGray;
@ -646,160 +611,79 @@ get_env_visual(Display *dpy, int scr, const char *varname)
/*
* Select an X visual which satisfies the RGBA/CI flag and minimum depth.
* Input: dpy, screen - X display and screen number
* rgba - GL_TRUE = RGBA mode, GL_FALSE = CI mode
* min_depth - minimum visual depth
* preferred_class - preferred GLX visual class or DONT_CARE
* Return: pointer to an XVisualInfo or NULL.
*/
static XVisualInfo *
choose_x_visual( Display *dpy, int screen, GLboolean rgba, int min_depth,
int preferred_class )
choose_x_visual(Display *dpy, int screen, int min_depth, int preferred_class)
{
XVisualInfo *vis;
int xclass, visclass = 0;
int depth;
if (rgba) {
Atom hp_cr_maps = XInternAtom(dpy, "_HP_RGB_SMOOTH_MAP_LIST", True);
/* First see if the MESA_RGB_VISUAL env var is defined */
vis = get_env_visual( dpy, screen, "MESA_RGB_VISUAL" );
if (vis) {
return vis;
}
/* Otherwise, search for a suitable visual */
if (preferred_class==DONT_CARE) {
for (xclass=0;xclass<6;xclass++) {
switch (xclass) {
case 0: visclass = TrueColor; break;
case 1: visclass = DirectColor; break;
case 2: visclass = PseudoColor; break;
case 3: visclass = StaticColor; break;
case 4: visclass = GrayScale; break;
case 5: visclass = StaticGray; break;
}
if (min_depth==0) {
/* start with shallowest */
for (depth=0;depth<=32;depth++) {
if (visclass==TrueColor && depth==8 && !hp_cr_maps) {
/* Special case: try to get 8-bit PseudoColor before */
/* 8-bit TrueColor */
vis = get_visual( dpy, screen, 8, PseudoColor );
if (vis) {
return vis;
}
}
vis = get_visual( dpy, screen, depth, visclass );
if (vis) {
return vis;
}
}
}
else {
/* start with deepest */
for (depth=32;depth>=min_depth;depth--) {
if (visclass==TrueColor && depth==8 && !hp_cr_maps) {
/* Special case: try to get 8-bit PseudoColor before */
/* 8-bit TrueColor */
vis = get_visual( dpy, screen, 8, PseudoColor );
if (vis) {
return vis;
}
}
vis = get_visual( dpy, screen, depth, visclass );
if (vis) {
return vis;
}
}
}
}
}
else {
/* search for a specific visual class */
switch (preferred_class) {
case GLX_TRUE_COLOR_EXT: visclass = TrueColor; break;
case GLX_DIRECT_COLOR_EXT: visclass = DirectColor; break;
case GLX_PSEUDO_COLOR_EXT: visclass = PseudoColor; break;
case GLX_STATIC_COLOR_EXT: visclass = StaticColor; break;
case GLX_GRAY_SCALE_EXT: visclass = GrayScale; break;
case GLX_STATIC_GRAY_EXT: visclass = StaticGray; break;
default: return NULL;
}
if (min_depth==0) {
/* start with shallowest */
for (depth=0;depth<=32;depth++) {
vis = get_visual( dpy, screen, depth, visclass );
if (vis) {
return vis;
}
}
}
else {
/* start with deepest */
for (depth=32;depth>=min_depth;depth--) {
vis = get_visual( dpy, screen, depth, visclass );
if (vis) {
return vis;
}
}
}
/* First see if the MESA_RGB_VISUAL env var is defined */
vis = get_env_visual( dpy, screen, "MESA_RGB_VISUAL" );
if (vis) {
return vis;
}
/* Otherwise, search for a suitable visual */
if (preferred_class==DONT_CARE) {
for (xclass=0;xclass<4;xclass++) {
switch (xclass) {
case 0: visclass = TrueColor; break;
case 1: visclass = DirectColor; break;
case 2: visclass = GrayScale; break;
case 3: visclass = StaticGray; break;
}
if (min_depth==0) {
/* start with shallowest */
for (depth=0;depth<=32;depth++) {
vis = get_visual( dpy, screen, depth, visclass );
if (vis) {
return vis;
}
}
}
else {
/* start with deepest */
for (depth=32;depth>=min_depth;depth--) {
vis = get_visual( dpy, screen, depth, visclass );
if (vis) {
return vis;
}
}
}
}
}
else {
/* First see if the MESA_CI_VISUAL env var is defined */
vis = get_env_visual( dpy, screen, "MESA_CI_VISUAL" );
if (vis) {
return vis;
/* search for a specific visual class */
switch (preferred_class) {
case GLX_TRUE_COLOR_EXT: visclass = TrueColor; break;
case GLX_DIRECT_COLOR_EXT: visclass = DirectColor; break;
case GLX_GRAY_SCALE_EXT: visclass = GrayScale; break;
case GLX_STATIC_GRAY_EXT: visclass = StaticGray; break;
case GLX_PSEUDO_COLOR_EXT:
case GLX_STATIC_COLOR_EXT:
default: return NULL;
}
/* Otherwise, search for a suitable visual, starting with shallowest */
if (preferred_class==DONT_CARE) {
for (xclass=0;xclass<4;xclass++) {
switch (xclass) {
case 0: visclass = PseudoColor; break;
case 1: visclass = StaticColor; break;
case 2: visclass = GrayScale; break;
case 3: visclass = StaticGray; break;
}
/* try 8-bit up through 16-bit */
for (depth=8;depth<=16;depth++) {
vis = get_visual( dpy, screen, depth, visclass );
if (vis) {
return vis;
}
}
/* try min_depth up to 8-bit */
for (depth=min_depth;depth<8;depth++) {
vis = get_visual( dpy, screen, depth, visclass );
if (vis) {
return vis;
}
}
}
if (min_depth==0) {
/* start with shallowest */
for (depth=0;depth<=32;depth++) {
vis = get_visual( dpy, screen, depth, visclass );
if (vis) {
return vis;
}
}
}
else {
/* search for a specific visual class */
switch (preferred_class) {
case GLX_TRUE_COLOR_EXT: visclass = TrueColor; break;
case GLX_DIRECT_COLOR_EXT: visclass = DirectColor; break;
case GLX_PSEUDO_COLOR_EXT: visclass = PseudoColor; break;
case GLX_STATIC_COLOR_EXT: visclass = StaticColor; break;
case GLX_GRAY_SCALE_EXT: visclass = GrayScale; break;
case GLX_STATIC_GRAY_EXT: visclass = StaticGray; break;
default: return NULL;
}
/* try 8-bit up through 16-bit */
for (depth=8;depth<=16;depth++) {
vis = get_visual( dpy, screen, depth, visclass );
if (vis) {
return vis;
}
}
/* try min_depth up to 8-bit */
for (depth=min_depth;depth<8;depth++) {
vis = get_visual( dpy, screen, depth, visclass );
if (vis) {
return vis;
}
}
/* start with deepest */
for (depth=32;depth>=min_depth;depth--) {
vis = get_visual( dpy, screen, depth, visclass );
if (vis) {
return vis;
}
}
}
}
@ -822,7 +706,7 @@ choose_x_visual( Display *dpy, int screen, GLboolean rgba, int min_depth,
* Return: pointer to an XVisualInfo or NULL.
*/
static XVisualInfo *
choose_x_overlay_visual( Display *dpy, int scr, GLboolean rgbFlag,
choose_x_overlay_visual( Display *dpy, int scr,
int level, int trans_type, int trans_value,
int min_depth, int preferred_class )
{
@ -889,14 +773,8 @@ choose_x_overlay_visual( Display *dpy, int scr, GLboolean rgbFlag,
continue;
}
/* if RGB was requested, make sure we have True/DirectColor */
if (rgbFlag && vislist->CLASS != TrueColor
&& vislist->CLASS != DirectColor)
continue;
/* if CI was requested, make sure we have a color indexed visual */
if (!rgbFlag
&& (vislist->CLASS == TrueColor || vislist->CLASS == DirectColor))
/* Color-index rendering is not supported. Make sure we have True/DirectColor */
if (vislist->CLASS != TrueColor && vislist->CLASS != DirectColor)
continue;
if (deepvis==NULL || vislist->depth > deepest) {
@ -1266,6 +1144,9 @@ choose_visual( Display *dpy, int screen, const int *list, GLboolean fbConfig )
}
}
if (!rgb_flag)
return NULL;
(void) caveat;
/*
@ -1285,46 +1166,27 @@ choose_visual( Display *dpy, int screen, const int *list, GLboolean fbConfig )
if (vis) {
/* give the visual some useful GLX attributes */
double_flag = GL_TRUE;
if (vis->depth > 8)
rgb_flag = GL_TRUE;
if (vis->depth <= 8)
return NULL;
depth_size = default_depth_bits();
stencil_size = STENCIL_BITS;
/* XXX accum??? */
}
}
else if (level==0) {
/* normal color planes */
if (rgb_flag) {
/* Get an RGB visual */
int min_rgb = min_red + min_green + min_blue;
if (min_rgb>1 && min_rgb<8) {
/* a special case to be sure we can get a monochrome visual */
min_rgb = 1;
}
vis = choose_x_visual( dpy, screen, rgb_flag, min_rgb, visual_type );
}
else {
/* Get a color index visual */
vis = choose_x_visual( dpy, screen, rgb_flag, min_ci, visual_type );
accumRedSize = accumGreenSize = accumBlueSize = accumAlphaSize = 0;
}
}
else {
/* over/underlay planes */
if (rgb_flag) {
/* rgba overlay */
int min_rgb = min_red + min_green + min_blue;
if (min_rgb>1 && min_rgb<8) {
/* a special case to be sure we can get a monochrome visual */
min_rgb = 1;
}
vis = choose_x_overlay_visual( dpy, screen, rgb_flag, level,
trans_type, trans_value, min_rgb, visual_type );
/* RGB visual */
int min_rgb = min_red + min_green + min_blue;
if (min_rgb>1 && min_rgb<8) {
/* a special case to be sure we can get a monochrome visual */
min_rgb = 1;
}
if (level==0) {
vis = choose_x_visual(dpy, screen, min_rgb, visual_type);
}
else {
/* color index overlay */
vis = choose_x_overlay_visual( dpy, screen, rgb_flag, level,
trans_type, trans_value, min_ci, visual_type );
vis = choose_x_overlay_visual(dpy, screen, level,
trans_type, trans_value, min_rgb, visual_type);
}
}
@ -1357,7 +1219,7 @@ choose_visual( Display *dpy, int screen, const int *list, GLboolean fbConfig )
accumAlphaSize = alpha_flag ? accumRedSize : 0;
}
xmvis = save_glx_visual( dpy, vis, rgb_flag, alpha_flag, double_flag,
xmvis = save_glx_visual( dpy, vis, alpha_flag, double_flag,
stereo_flag, depth_size, stencil_size,
accumRedSize, accumGreenSize,
accumBlueSize, accumAlphaSize, level, numAux );
@ -2493,10 +2355,7 @@ Fake_glXQueryContext( Display *dpy, GLXContext ctx, int attribute, int *value )
*value = xmctx->xm_visual->visinfo->visualid;
break;
case GLX_RENDER_TYPE:
if (xmctx->xm_visual->mesa_visual.rgbMode)
*value = GLX_RGBA_TYPE;
else
*value = GLX_COLOR_INDEX_TYPE;
*value = GLX_RGBA_TYPE;
break;
case GLX_SCREEN:
*value = 0;

114
src/mesa/drivers/x11/xm_api.c
View File

@ -684,9 +684,7 @@ setup_grayscale(int client, XMesaVisual v,
}
prevBuffer = xmesa_find_buffer(v->display, cmap, buffer);
if (prevBuffer &&
(buffer->xm_visual->mesa_visual.rgbMode ==
prevBuffer->xm_visual->mesa_visual.rgbMode)) {
if (prevBuffer) {
/* Copy colormap stuff from previous XMesaBuffer which uses same
* X colormap. Do this to avoid time spent in noFaultXAllocColor.
*/
@ -773,9 +771,7 @@ setup_dithered_color(int client, XMesaVisual v,
}
prevBuffer = xmesa_find_buffer(v->display, cmap, buffer);
if (prevBuffer &&
(buffer->xm_visual->mesa_visual.rgbMode ==
prevBuffer->xm_visual->mesa_visual.rgbMode)) {
if (prevBuffer) {
/* Copy colormap stuff from previous, matching XMesaBuffer.
* Do this to avoid time spent in noFaultXAllocColor.
*/
@ -1047,10 +1043,11 @@ setup_monochrome( XMesaVisual v, XMesaBuffer b )
*/
static GLboolean
initialize_visual_and_buffer(XMesaVisual v, XMesaBuffer b,
GLboolean rgb_flag, XMesaDrawable window,
XMesaDrawable window,
XMesaColormap cmap)
{
int client = 0;
const int xclass = v->mesa_visual.visualType;
#ifdef XFree86Server
client = (window) ? CLIENT_ID(window->id) : 0;
@ -1062,46 +1059,35 @@ initialize_visual_and_buffer(XMesaVisual v, XMesaBuffer b,
v->BitsPerPixel = bits_per_pixel(v);
assert(v->BitsPerPixel > 0);
if (rgb_flag == GL_FALSE) {
/* COLOR-INDEXED WINDOW:
* Even if the visual is TrueColor or DirectColor we treat it as
* being color indexed. This is weird but might be useful to someone.
*/
v->dithered_pf = v->undithered_pf = PF_Index;
v->mesa_visual.indexBits = GET_VISUAL_DEPTH(v);
/* RGB WINDOW:
* We support RGB rendering into almost any kind of visual.
*/
if (xclass == GLX_TRUE_COLOR || xclass == GLX_DIRECT_COLOR) {
setup_truecolor( v, b, cmap );
}
else {
/* RGB WINDOW:
* We support RGB rendering into almost any kind of visual.
*/
const int xclass = v->mesa_visual.visualType;
if (xclass == GLX_TRUE_COLOR || xclass == GLX_DIRECT_COLOR) {
setup_truecolor( v, b, cmap );
}
else if (xclass == GLX_STATIC_GRAY && GET_VISUAL_DEPTH(v) == 1) {
setup_monochrome( v, b );
}
else if (xclass == GLX_GRAY_SCALE || xclass == GLX_STATIC_GRAY) {
if (!setup_grayscale( client, v, b, cmap )) {
return GL_FALSE;
}
}
else if ((xclass == GLX_PSEUDO_COLOR || xclass == GLX_STATIC_COLOR)
&& GET_VISUAL_DEPTH(v)>=4 && GET_VISUAL_DEPTH(v)<=16) {
if (!setup_dithered_color( client, v, b, cmap )) {
return GL_FALSE;
}
}
else {
_mesa_warning(NULL, "XMesa: RGB mode rendering not supported in given visual.\n");
else if (xclass == GLX_STATIC_GRAY && GET_VISUAL_DEPTH(v) == 1) {
setup_monochrome( v, b );
}
else if (xclass == GLX_GRAY_SCALE || xclass == GLX_STATIC_GRAY) {
if (!setup_grayscale( client, v, b, cmap )) {
return GL_FALSE;
}
v->mesa_visual.indexBits = 0;
if (_mesa_getenv("MESA_NO_DITHER")) {
v->dithered_pf = v->undithered_pf;
}
else if ((xclass == GLX_PSEUDO_COLOR || xclass == GLX_STATIC_COLOR)
&& GET_VISUAL_DEPTH(v)>=4 && GET_VISUAL_DEPTH(v)<=16) {
if (!setup_dithered_color( client, v, b, cmap )) {
return GL_FALSE;
}
}
else {
_mesa_warning(NULL, "XMesa: RGB mode rendering not supported in given visual.\n");
return GL_FALSE;
}
v->mesa_visual.indexBits = 0;
if (_mesa_getenv("MESA_NO_DITHER")) {
v->dithered_pf = v->undithered_pf;
}
/*
@ -1359,6 +1345,10 @@ XMesaVisual XMesaCreateVisual( XMesaDisplay *display,
}
#endif
/* Color-index rendering not supported. */
if (!rgb_flag)
return NULL;
v = (XMesaVisual) CALLOC_STRUCT(xmesa_visual);
if (!v) {
return NULL;
@ -1428,7 +1418,7 @@ XMesaVisual XMesaCreateVisual( XMesaDisplay *display,
if (alpha_flag)
v->mesa_visual.alphaBits = 8;
(void) initialize_visual_and_buffer( v, NULL, rgb_flag, 0, 0 );
(void) initialize_visual_and_buffer( v, NULL, 0, 0 );
{
const int xclass = v->mesa_visual.visualType;
@ -1453,7 +1443,7 @@ XMesaVisual XMesaCreateVisual( XMesaDisplay *display,
}
_mesa_initialize_visual( &v->mesa_visual,
rgb_flag, db_flag, stereo_flag,
GL_TRUE, db_flag, stereo_flag,
red_bits, green_bits,
blue_bits, alpha_bits,
v->mesa_visual.indexBits,
@ -1655,8 +1645,7 @@ XMesaCreateWindowBuffer(XMesaVisual v, XMesaWindow w)
if (!b)
return NULL;
if (!initialize_visual_and_buffer( v, b, v->mesa_visual.rgbMode,
(XMesaDrawable) w, cmap )) {
if (!initialize_visual_and_buffer( v, b, (XMesaDrawable) w, cmap )) {
xmesa_free_buffer(b);
return NULL;
}
@ -1686,8 +1675,7 @@ XMesaCreatePixmapBuffer(XMesaVisual v, XMesaPixmap p, XMesaColormap cmap)
if (!b)
return NULL;
if (!initialize_visual_and_buffer(v, b, v->mesa_visual.rgbMode,
(XMesaDrawable) p, cmap)) {
if (!initialize_visual_and_buffer(v, b, (XMesaDrawable) p, cmap)) {
xmesa_free_buffer(b);
return NULL;
}
@ -1747,8 +1735,7 @@ XMesaCreatePixmapTextureBuffer(XMesaVisual v, XMesaPixmap p,
b->TextureFormat = format;
b->TextureMipmap = mipmap;
if (!initialize_visual_and_buffer(v, b, v->mesa_visual.rgbMode,
(XMesaDrawable) p, cmap)) {
if (!initialize_visual_and_buffer(v, b, (XMesaDrawable) p, cmap)) {
xmesa_free_buffer(b);
return NULL;
}
@ -1778,8 +1765,7 @@ XMesaCreatePBuffer(XMesaVisual v, XMesaColormap cmap,
if (!b)
return NULL;
if (!initialize_visual_and_buffer(v, b, v->mesa_visual.rgbMode,
drawable, cmap)) {
if (!initialize_visual_and_buffer(v, b, drawable, cmap)) {
xmesa_free_buffer(b);
return NULL;
}
@ -1874,19 +1860,17 @@ GLboolean XMesaMakeCurrent2( XMesaContext c, XMesaBuffer drawBuffer,
&drawBuffer->mesa_buffer,
&readBuffer->mesa_buffer);
if (c->xm_visual->mesa_visual.rgbMode) {
/*
* Must recompute and set these pixel values because colormap
* can be different for different windows.
*/
c->clearpixel = xmesa_color_to_pixel( &c->mesa,
c->clearcolor[0],
c->clearcolor[1],
c->clearcolor[2],
c->clearcolor[3],
c->xm_visual->undithered_pf);
XMesaSetForeground(c->display, drawBuffer->cleargc, c->clearpixel);
}
/*
* Must recompute and set these pixel values because colormap
* can be different for different windows.
*/
c->clearpixel = xmesa_color_to_pixel( &c->mesa,
c->clearcolor[0],
c->clearcolor[1],
c->clearcolor[2],
c->clearcolor[3],
c->xm_visual->undithered_pf);
XMesaSetForeground(c->display, drawBuffer->cleargc, c->clearpixel);
/* Solution to Stephane Rehel's problem with glXReleaseBuffersMESA(): */
drawBuffer->wasCurrent = GL_TRUE;

16
src/mesa/drivers/x11/xm_buffer.c
View File

@ -337,18 +337,10 @@ xmesa_new_renderbuffer(GLcontext *ctx, GLuint name, const GLvisual *visual,
else
xrb->Base.AllocStorage = xmesa_alloc_front_storage;
if (visual->rgbMode) {
xrb->Base.InternalFormat = GL_RGBA;
xrb->Base.Format = MESA_FORMAT_RGBA8888;
xrb->Base._BaseFormat = GL_RGBA;
xrb->Base.DataType = GL_UNSIGNED_BYTE;
}
else {
xrb->Base.InternalFormat = GL_COLOR_INDEX;
xrb->Base.Format = MESA_FORMAT_CI8;
xrb->Base._BaseFormat = GL_COLOR_INDEX;
xrb->Base.DataType = GL_UNSIGNED_INT;
}
xrb->Base.InternalFormat = GL_RGBA;
xrb->Base.Format = MESA_FORMAT_RGBA8888;
xrb->Base._BaseFormat = GL_RGBA;
xrb->Base.DataType = GL_UNSIGNED_BYTE;
/* only need to set Red/Green/EtcBits fields for user-created RBs */
}
return xrb;