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wgl: Fill the format table with offscreen pixelformats which are needed for pbuffers.

This commit is contained in:
Roderick Colenbrander 2007-07-26 18:13:08 +02:00 committed by Alexandre Julliard
parent 1f5a4a8046
commit cfd81827ac
1 changed files with 82 additions and 21 deletions
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103
dlls/winex11.drv/opengl.c
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@ -131,6 +131,7 @@ typedef struct wine_glpixelformat {
int iPixelFormat;
int fbconfig;
int fmt_index;
BOOL offscreenOnly;
} WineGLPixelFormat;
static Wine_GLContext *context_list;
@ -143,8 +144,7 @@ static int swap_interval = 1;
static const WineGLExtension *WineGLExtensionList[MAX_EXTENSIONS];
static int WineGLExtensionListSize;
#define MAX_GLPIXELFORMATS 32
static WineGLPixelFormat WineGLPixelFormatList[MAX_GLPIXELFORMATS];
static WineGLPixelFormat *WineGLPixelFormatList;
static int WineGLPixelFormatListSize = 0;
static void X11DRV_WineGL_LoadExtensions(void);
@ -863,6 +863,9 @@ static BOOL get_fbconfig_from_visualid(Display *display, Visual *visual, int *fm
static BOOL init_formats(Display *display, int screen, Visual *visual)
{
int fmt_id, fmt_index;
int tmp_vis_id, tmp_fmt_id, nCfgs, i;
GLXFBConfig* cfgs = NULL;
int nOffscreenFormats = 0;
/* Locate the fbconfig correspondig to our main visual */
if(!get_fbconfig_from_visualid(display, visual, &fmt_id, &fmt_index)) {
@ -870,13 +873,61 @@ static BOOL init_formats(Display *display, int screen, Visual *visual)
return FALSE;
}
/* Put Wine's internal format at the first index */
WineGLPixelFormatList[0].iPixelFormat = 1;
WineGLPixelFormatList[0].fbconfig = fmt_id;
WineGLPixelFormatList[0].fmt_index = fmt_index;
WineGLPixelFormatListSize = 1;
/* As mentioned in various parts of the code only the format of the main visual can be used for onscreen rendering.
* Next to this format there are also so called offscreen rendering formats (used for pbuffers) which can be supported
* because they don't need a visual. Below we use glXGetFBConfigs instead of glXChooseFBConfig to enumerate the fb configurations
* because this call lists both types of formats instead of only onscreen ones. */
cfgs = pglXGetFBConfigs(display, DefaultScreen(display), &nCfgs);
if (NULL == cfgs || 0 == nCfgs) {
WARN("glXChooseFBConfig returns NULL\n");
if(cfgs != NULL) XFree(cfgs);
/* In the future test for compatible formats here */
/* We only have the single format of Wine's main visual */
WineGLPixelFormatList = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WineGLPixelFormat));
WineGLPixelFormatList[0].iPixelFormat = 1;
WineGLPixelFormatList[0].fbconfig = fmt_id;
WineGLPixelFormatList[0].fmt_index = fmt_index;
WineGLPixelFormatList[0].offscreenOnly = FALSE;
WineGLPixelFormatListSize = 1;
}
else {
/* Count the number of offscreen formats to determine the size for our pixelformat list */
for(i=0; i<nCfgs; i++) {
pglXGetFBConfigAttrib(display, cfgs[i], GLX_VISUAL_ID, &tmp_vis_id);
/* We have found an offscreen rendering format :) */
if(tmp_vis_id == 0) {
nOffscreenFormats++;
}
}
TRACE("Number of offscreen formats: %d\n", nOffscreenFormats);
/* Allocate memory for all the offscreen pixelformats and the format of Wine's main visual */
WineGLPixelFormatList = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (1+nOffscreenFormats)*sizeof(WineGLPixelFormat));
WineGLPixelFormatList[0].iPixelFormat = 1;
WineGLPixelFormatList[0].fbconfig = fmt_id;
WineGLPixelFormatList[0].fmt_index = fmt_index;
WineGLPixelFormatList[0].offscreenOnly = FALSE;
WineGLPixelFormatListSize = 1;
/* Fill the list with offscreen formats */
for(i=0; i<nCfgs; i++) {
pglXGetFBConfigAttrib(display, cfgs[i], GLX_VISUAL_ID, &tmp_vis_id);
pglXGetFBConfigAttrib(display, cfgs[i], GLX_FBCONFIG_ID, &tmp_fmt_id);
/* We have found an offscreen rendering format :) */
if(tmp_vis_id == 0) {
TRACE("Found offscreen format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", tmp_fmt_id, WineGLPixelFormatListSize, i);
WineGLPixelFormatList[WineGLPixelFormatListSize].iPixelFormat = WineGLPixelFormatListSize;
WineGLPixelFormatList[WineGLPixelFormatListSize].fbconfig = tmp_fmt_id;
WineGLPixelFormatList[WineGLPixelFormatListSize].fmt_index = i;
WineGLPixelFormatList[0].offscreenOnly = TRUE;
WineGLPixelFormatListSize++;
}
}
}
if(cfgs != NULL) XFree(cfgs);
return TRUE;
}
@ -887,9 +938,9 @@ static BOOL init_formats(Display *display, int screen, Visual *visual)
* This function converts a WGL format to its corresponding GLX one. It returns the index (zero-based)
* into the GLX FB config table and it returns the number of supported WGL formats in fmt_count.
*/
static BOOL ConvertPixelFormatWGLtoGLX(Display *display, int iPixelFormat, int *fmt_index, int *fmt_count)
static BOOL ConvertPixelFormatWGLtoGLX(Display *display, int iPixelFormat, BOOL AllowOffscreen, int *fmt_index, int *fmt_count)
{
int ret;
int ret = FALSE;
/* Init the list of pixel formats when we need it */
if(!WineGLPixelFormatListSize)
@ -899,15 +950,25 @@ static BOOL ConvertPixelFormatWGLtoGLX(Display *display, int iPixelFormat, int *
ERR("invalid iPixelFormat %d\n", iPixelFormat);
ret = FALSE;
*fmt_index = -1;
if(AllowOffscreen)
*fmt_count = WineGLPixelFormatListSize;
else
*fmt_count = 1; /* Only show the format of our main visual */
}
else {
else if(iPixelFormat == 1) {
ret = TRUE;
*fmt_index = WineGLPixelFormatList[iPixelFormat-1].fmt_index;
*fmt_index = WineGLPixelFormatList[0].fmt_index;
*fmt_count = 1; /* Only show the format of our main visual */
}
/* Limit the use of offscreen formats to WGL extension calls which pass AllowOffscreen = TRUE */
else if((WineGLPixelFormatList[iPixelFormat-1].offscreenOnly == TRUE) && AllowOffscreen) {
ret = TRUE;
*fmt_count = WineGLPixelFormatListSize;
TRACE("Returning FBConfig_ID=%x for iPixelFormat=%d\n", WineGLPixelFormatList[iPixelFormat-1].fbconfig, iPixelFormat);
}
*fmt_count = WineGLPixelFormatListSize;
TRACE("Returning fmt_index=%d, fmt_count=%d for iPixelFormat=%d\n", *fmt_index, *fmt_count, iPixelFormat);
TRACE("Number of returned pixelformats=%d\n", *fmt_count);
return ret;
}
@ -968,7 +1029,7 @@ int X11DRV_ChoosePixelFormat(X11DRV_PDEVICE *physDev,
}
/* In case an fbconfig was found, check if it matches to the requirements of the ppfd */
if(!ConvertPixelFormatWGLtoGLX(gdi_display, 1 /* main visual */, &fmt_index, &value)) {
if(!ConvertPixelFormatWGLtoGLX(gdi_display, 1 /* main visual */, FALSE /* offscreen */, &fmt_index, &value)) {
ERR("Can't find a matching FBCONFIG_ID for VISUAL_ID 0x%lx!\n", visual->visualid);
} else {
int dwFlags = 0;
@ -1085,7 +1146,7 @@ int X11DRV_DescribePixelFormat(X11DRV_PDEVICE *physDev,
}
/* Look for the iPixelFormat in our list of supported formats. If it is supported we get the index in the FBConfig table and the number of supported formats back */
res = ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, &fmt_index, &fmt_count);
res = ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, FALSE /* Offscreen */, &fmt_index, &fmt_count);
if (ppfd == NULL) {
/* The application is only querying the number of visuals */
@ -1220,7 +1281,7 @@ BOOL X11DRV_SetPixelFormat(X11DRV_PDEVICE *physDev,
}
/* Check if iPixelFormat is in our list of supported formats to see if it is supported. */
if(!ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, &fmt_index, &value)) {
if(!ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, FALSE /* Offscreen */, &fmt_index, &value)) {
ERR("Invalid iPixelFormat: %d\n", iPixelFormat);
return 0;
}
@ -1297,7 +1358,7 @@ HGLRC X11DRV_wglCreateContext(X11DRV_PDEVICE *physDev)
/* We can only render using the iPixelFormat (1) of Wine's Main visual, we need to get the corresponding GLX format.
* If this fails something is very wrong on the system. */
if(!ConvertPixelFormatWGLtoGLX(gdi_display, hdcPF, &fmt_index, &fmt_count)) {
if(!ConvertPixelFormatWGLtoGLX(gdi_display, hdcPF, FALSE /* Offscreen */, &fmt_index, &fmt_count)) {
ERR("Cannot get FB Config for main iPixelFormat 1, expect problems!\n");
SetLastError(ERROR_INVALID_PIXEL_FORMAT);
return NULL;
@ -1953,7 +2014,7 @@ static HPBUFFERARB WINAPI X11DRV_wglCreatePbufferARB(HDC hdc, int iPixelFormat,
}
/* Convert the WGL pixelformat to a GLX format, if it fails then the format is invalid */
if(!ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, &fmt_index, &nCfgs)) {
if(!ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, FALSE /* Offscreen */, &fmt_index, &nCfgs)) {
ERR("(%p): unexpected iPixelFormat(%d) > nFormats(%d), returns NULL\n", hdc, iPixelFormat, nCfgs);
SetLastError(ERROR_INVALID_PIXEL_FORMAT);
goto create_failed; /* unexpected error */
@ -2407,7 +2468,7 @@ static GLboolean WINAPI X11DRV_wglGetPixelFormatAttribivARB(HDC hdc, int iPixelF
/* Convert the WGL pixelformat to a GLX one, if this fails then most likely the iPixelFormat isn't supoprted.
* We don't have to fail yet as a program can specify an invaled iPixelFormat (lets say 0) if it wants to query
* the number of supported WGL formats. Whether the iPixelFormat is valid is handled in the for-loop below. */
if(!ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, &fmt_index, &nWGLFormats)) {
if(!ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, FALSE /* Offscreen */, &fmt_index, &nWGLFormats)) {
WARN("Unable to convert iPixelFormat %d to a GLX one!\n", iPixelFormat);
}