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 */
*/
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,
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 */
&& 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
/* 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,
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");
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;
/*
* 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;
+ }
+ }
}
}
* 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 )
{
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) {
}
}
+ if (!rgb_flag)
+ return NULL;
+
(void) caveat;
/*
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);
}
}
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 );
*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;
}
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.
*/
}
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.
*/
*/
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;
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 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 {
- _mesa_warning(NULL, "XMesa: RGB mode rendering not supported in given visual.\n");
+ }
+ 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;
}
- v->mesa_visual.indexBits = 0;
+ }
+ 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;
- }
+ if (_mesa_getenv("MESA_NO_DITHER")) {
+ v->dithered_pf = v->undithered_pf;
}
}
#endif
+ /* Color-index rendering not supported. */
+ if (!rgb_flag)
+ return NULL;
+
v = (XMesaVisual) CALLOC_STRUCT(xmesa_visual);
if (!v) {
return NULL;
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;
}
_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,
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;
}
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;
}
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;
}
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;
}
&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;
projects / mesa.git / commitdiff