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wine/dlls/winex11.drv/opengl.c
Francois Gouget 06f9532dda Assorted spelling fixes.
2006-09-08 11:04:53 +02:00

784 lines
23 KiB
C
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/*
* X11DRV OpenGL functions
*
* Copyright 2000 Lionel Ulmer
* Copyright 2006 Roderick Colenbrander
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdlib.h>
#include <string.h>
#include "x11drv.h"
#include "wine/library.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(wgl);
WINE_DECLARE_DEBUG_CHANNEL(opengl);
#if defined(HAVE_GL_GL_H) && defined(HAVE_GL_GLX_H)
#undef APIENTRY
#undef CALLBACK
#undef WINAPI
#ifdef HAVE_GL_GL_H
# include <GL/gl.h>
#endif
#ifdef HAVE_GL_GLX_H
# include <GL/glx.h>
#endif
#ifdef HAVE_GL_GLEXT_H
# include <GL/glext.h>
#endif
#undef APIENTRY
#undef CALLBACK
#undef WINAPI
/* Redefines the constants */
#define CALLBACK __stdcall
#define WINAPI __stdcall
#define APIENTRY WINAPI
WINE_DECLARE_DEBUG_CHANNEL(fps);
static void dump_PIXELFORMATDESCRIPTOR(const PIXELFORMATDESCRIPTOR *ppfd) {
TRACE(" - size / version : %d / %d\n", ppfd->nSize, ppfd->nVersion);
TRACE(" - dwFlags : ");
#define TEST_AND_DUMP(t,tv) if ((t) & (tv)) TRACE(#tv " ")
TEST_AND_DUMP(ppfd->dwFlags, PFD_DEPTH_DONTCARE);
TEST_AND_DUMP(ppfd->dwFlags, PFD_DOUBLEBUFFER);
TEST_AND_DUMP(ppfd->dwFlags, PFD_DOUBLEBUFFER_DONTCARE);
TEST_AND_DUMP(ppfd->dwFlags, PFD_DRAW_TO_WINDOW);
TEST_AND_DUMP(ppfd->dwFlags, PFD_DRAW_TO_BITMAP);
TEST_AND_DUMP(ppfd->dwFlags, PFD_GENERIC_ACCELERATED);
TEST_AND_DUMP(ppfd->dwFlags, PFD_GENERIC_FORMAT);
TEST_AND_DUMP(ppfd->dwFlags, PFD_NEED_PALETTE);
TEST_AND_DUMP(ppfd->dwFlags, PFD_NEED_SYSTEM_PALETTE);
TEST_AND_DUMP(ppfd->dwFlags, PFD_STEREO);
TEST_AND_DUMP(ppfd->dwFlags, PFD_STEREO_DONTCARE);
TEST_AND_DUMP(ppfd->dwFlags, PFD_SUPPORT_GDI);
TEST_AND_DUMP(ppfd->dwFlags, PFD_SUPPORT_OPENGL);
TEST_AND_DUMP(ppfd->dwFlags, PFD_SWAP_COPY);
TEST_AND_DUMP(ppfd->dwFlags, PFD_SWAP_EXCHANGE);
TEST_AND_DUMP(ppfd->dwFlags, PFD_SWAP_LAYER_BUFFERS);
#undef TEST_AND_DUMP
TRACE("\n");
TRACE(" - iPixelType : ");
switch (ppfd->iPixelType) {
case PFD_TYPE_RGBA: TRACE("PFD_TYPE_RGBA"); break;
case PFD_TYPE_COLORINDEX: TRACE("PFD_TYPE_COLORINDEX"); break;
}
TRACE("\n");
TRACE(" - Color : %d\n", ppfd->cColorBits);
TRACE(" - Red : %d\n", ppfd->cRedBits);
TRACE(" - Green : %d\n", ppfd->cGreenBits);
TRACE(" - Blue : %d\n", ppfd->cBlueBits);
TRACE(" - Alpha : %d\n", ppfd->cAlphaBits);
TRACE(" - Accum : %d\n", ppfd->cAccumBits);
TRACE(" - Depth : %d\n", ppfd->cDepthBits);
TRACE(" - Stencil : %d\n", ppfd->cStencilBits);
TRACE(" - Aux : %d\n", ppfd->cAuxBuffers);
TRACE(" - iLayerType : ");
switch (ppfd->iLayerType) {
case PFD_MAIN_PLANE: TRACE("PFD_MAIN_PLANE"); break;
case PFD_OVERLAY_PLANE: TRACE("PFD_OVERLAY_PLANE"); break;
case (BYTE)PFD_UNDERLAY_PLANE: TRACE("PFD_UNDERLAY_PLANE"); break;
}
TRACE("\n");
}
/* No need to load any other libraries as according to the ABI, libGL should be self-sufficient and
include all dependencies
*/
#ifndef SONAME_LIBGL
#define SONAME_LIBGL "libGL.so"
#endif
#define MAKE_FUNCPTR(f) static typeof(f) * p##f;
MAKE_FUNCPTR(glGetError)
MAKE_FUNCPTR(glXChooseVisual)
MAKE_FUNCPTR(glXGetConfig)
MAKE_FUNCPTR(glXSwapBuffers)
MAKE_FUNCPTR(glXQueryExtension)
MAKE_FUNCPTR(glXGetFBConfigs)
MAKE_FUNCPTR(glXChooseFBConfig)
MAKE_FUNCPTR(glXGetFBConfigAttrib)
MAKE_FUNCPTR(glXCreateGLXPixmap)
MAKE_FUNCPTR(glXDestroyGLXPixmap)
/* MAKE_FUNCPTR(glXQueryDrawable) */
#undef MAKE_FUNCPTR
static BOOL has_opengl(void)
{
static int init_done;
static void *opengl_handle;
int error_base, event_base;
if (init_done) return (opengl_handle != NULL);
init_done = 1;
opengl_handle = wine_dlopen(SONAME_LIBGL, RTLD_NOW|RTLD_GLOBAL, NULL, 0);
if (opengl_handle == NULL) return FALSE;
#define LOAD_FUNCPTR(f) if((p##f = wine_dlsym(RTLD_DEFAULT, #f, NULL, 0)) == NULL) goto sym_not_found;
LOAD_FUNCPTR(glGetError)
LOAD_FUNCPTR(glXChooseVisual)
LOAD_FUNCPTR(glXGetConfig)
LOAD_FUNCPTR(glXSwapBuffers)
LOAD_FUNCPTR(glXQueryExtension)
LOAD_FUNCPTR(glXGetFBConfigs)
LOAD_FUNCPTR(glXChooseFBConfig)
LOAD_FUNCPTR(glXGetFBConfigAttrib)
LOAD_FUNCPTR(glXCreateGLXPixmap)
LOAD_FUNCPTR(glXDestroyGLXPixmap)
#undef LOAD_FUNCPTR
wine_tsx11_lock();
if (pglXQueryExtension(gdi_display, &error_base, &event_base) == True) {
TRACE("GLX is up and running error_base = %d\n", error_base);
} else {
wine_dlclose(opengl_handle, NULL, 0);
opengl_handle = NULL;
}
wine_tsx11_unlock();
return (opengl_handle != NULL);
sym_not_found:
wine_dlclose(opengl_handle, NULL, 0);
opengl_handle = NULL;
return FALSE;
}
/* GLX can advertise dozens of different pixelformats including offscreen and onscreen ones.
* In our WGL implementation we only support a subset of these formats namely the format of
* Wine's main visual and offscreen formats (if they are available).
* 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)
{
int res = FALSE;
int i = 0;
GLXFBConfig* cfgs = NULL;
int nCfgs = 0;
int tmp_fmt_id = 0;
int tmp_vis_id = 0;
int nFormats = 1; /* Start at 1 as we always have a main visual */
VisualID visualid = 0;
/* Request to look up the format of the main visual when iPixelFormat = 1 */
if(iPixelFormat == 1) visualid = XVisualIDFromVisual(visual);
/* 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
* bas this call lists both types of formats instead of only onscreen ones. */
cfgs = pglXGetFBConfigs(display, DefaultScreen(display), &nCfgs);
if (NULL == cfgs || 0 == nCfgs) {
ERR("glXChooseFBConfig returns NULL\n");
if(cfgs != NULL) XFree(cfgs);
return FALSE;
}
/* Find the requested offscreen format and count the number of 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 are looking up the GLX index of our main visual and have found it :) */
if(iPixelFormat == 1 && visualid == tmp_vis_id) {
*fmt_index = i;
TRACE("Found FBCONFIG_ID 0x%x at index %d for VISUAL_ID 0x%x\n", tmp_fmt_id, *fmt_index, tmp_vis_id);
res = TRUE;
}
/* We found an offscreen rendering format :) */
else if(tmp_vis_id == 0) {
nFormats++;
TRACE("Checking offscreen format FBCONFIG_ID 0x%x at index %d\n", tmp_fmt_id, i);
if(iPixelFormat == nFormats) {
*fmt_index = i;
TRACE("Found offscreen format FBCONFIG_ID 0x%x corresponding to iPixelFormat %d at GLX index %d\n", tmp_fmt_id, iPixelFormat, i);
res = TRUE;
}
}
}
*fmt_count = nFormats;
TRACE("Number of offscreen formats: %d; returning index: %d\n", *fmt_count, *fmt_index);
if(cfgs != NULL) XFree(cfgs);
if(res == FALSE && iPixelFormat == 1)
ERR("Can't find a matching FBCONFIG_ID for VISUAL_ID 0x%lx!\n", visualid);
return res;
}
/**
* X11DRV_ChoosePixelFormat
*
* Equivalent of glXChooseVisual
*/
int X11DRV_ChoosePixelFormat(X11DRV_PDEVICE *physDev,
const PIXELFORMATDESCRIPTOR *ppfd) {
GLXFBConfig* cfgs = NULL;
int ret = 0;
int nCfgs = 0;
int value = 0;
int fmt_index = 0;
if (!has_opengl()) {
ERR("No libGL on this box - disabling OpenGL support !\n");
return 0;
}
if (TRACE_ON(opengl)) {
TRACE("(%p,%p)\n", physDev, ppfd);
dump_PIXELFORMATDESCRIPTOR((const PIXELFORMATDESCRIPTOR *) ppfd);
}
wine_tsx11_lock();
if(!visual) {
ERR("Can't get an opengl visual!\n");
goto choose_exit;
}
/* Get a list containing all supported FB configurations */
cfgs = pglXChooseFBConfig(gdi_display, DefaultScreen(gdi_display), NULL, &nCfgs);
if (NULL == cfgs || 0 == nCfgs) {
ERR("glXChooseFBConfig returns NULL (glError: %d)\n", pglGetError());
goto choose_exit;
}
/* 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)) {
ERR("Can't find a matching FBCONFIG_ID for VISUAL_ID 0x%lx!\n", visual->visualid);
} else {
int dwFlags = 0;
int iPixelType = 0;
int value = 0;
/* Pixel type */
pglXGetFBConfigAttrib(gdi_display, cfgs[fmt_index], GLX_RENDER_TYPE, &value);
if (value & GLX_RGBA_BIT)
iPixelType = PFD_TYPE_RGBA;
else
iPixelType = PFD_TYPE_COLORINDEX;
if (ppfd->iPixelType != iPixelType) {
goto choose_exit;
}
/* Doublebuffer */
pglXGetFBConfigAttrib(gdi_display, cfgs[fmt_index], GLX_DOUBLEBUFFER, &value); if (value) dwFlags |= PFD_DOUBLEBUFFER;
if (!(ppfd->dwFlags & PFD_DOUBLEBUFFER_DONTCARE)) {
if ((ppfd->dwFlags & PFD_DOUBLEBUFFER) != (dwFlags & PFD_DOUBLEBUFFER)) {
goto choose_exit;
}
}
/* Stereo */
pglXGetFBConfigAttrib(gdi_display, cfgs[fmt_index], GLX_STEREO, &value); if (value) dwFlags |= PFD_STEREO;
if (!(ppfd->dwFlags & PFD_STEREO_DONTCARE)) {
if ((ppfd->dwFlags & PFD_STEREO) != (dwFlags & PFD_STEREO)) {
goto choose_exit;
}
}
/* Alpha bits */
pglXGetFBConfigAttrib(gdi_display, cfgs[fmt_index], GLX_ALPHA_SIZE, &value);
if (ppfd->iPixelType==PFD_TYPE_RGBA && ppfd->cAlphaBits && !value) {
goto choose_exit;
}
/* Depth bits */
pglXGetFBConfigAttrib(gdi_display, cfgs[fmt_index], GLX_DEPTH_SIZE, &value);
if (ppfd->cDepthBits && !value) {
goto choose_exit;
}
/* Stencil bits */
pglXGetFBConfigAttrib(gdi_display, cfgs[fmt_index], GLX_STENCIL_SIZE, &value);
if (ppfd->cStencilBits && !value) {
goto choose_exit;
}
/* Aux buffers */
pglXGetFBConfigAttrib(gdi_display, cfgs[fmt_index], GLX_AUX_BUFFERS, &value);
if (ppfd->cAuxBuffers && !value) {
goto choose_exit;
}
/* When we pass all the checks we have found a matching format :) */
ret = 1;
TRACE("Successfully found a matching mode, returning index: %d\n", ret);
}
choose_exit:
if(!ret)
TRACE("No matching mode was found returning 0\n");
if (NULL != cfgs) XFree(cfgs);
wine_tsx11_unlock();
return ret;
}
/**
* X11DRV_DescribePixelFormat
*
* Get the pixel-format descriptor associated to the given id
*/
int X11DRV_DescribePixelFormat(X11DRV_PDEVICE *physDev,
int iPixelFormat,
UINT nBytes,
PIXELFORMATDESCRIPTOR *ppfd) {
/*XVisualInfo *vis;*/
int value;
int rb,gb,bb,ab;
GLXFBConfig* cfgs = NULL;
GLXFBConfig cur;
int nCfgs = 0;
int ret = 0;
int fmt_index = 0;
if (!has_opengl()) {
ERR("No libGL on this box - disabling OpenGL support !\n");
return 0;
}
TRACE("(%p,%d,%d,%p)\n", physDev, iPixelFormat, nBytes, ppfd);
wine_tsx11_lock();
cfgs = pglXGetFBConfigs(gdi_display, DefaultScreen(gdi_display), &nCfgs);
wine_tsx11_unlock();
if (NULL == cfgs || 0 == nCfgs) {
ERR("unexpected iPixelFormat(%d), returns NULL\n", iPixelFormat);
return 0; /* unespected error */
}
/* This function always reports the total number of supported pixel formats.
* At the moment we only support the pixel format corresponding to the main
* visual which got created at x11drv initialization. More formats could be
* supported if there was a way to recreate x11 windows in x11drv.
* Because we only support one format nCfgs needs to be set to 1.
*/
nCfgs = 1;
if (ppfd == NULL) {
/* The application is only querying the number of visuals */
wine_tsx11_lock();
if (NULL != cfgs) XFree(cfgs);
wine_tsx11_unlock();
return nCfgs;
}
if (nBytes < sizeof(PIXELFORMATDESCRIPTOR)) {
ERR("Wrong structure size !\n");
/* Should set error */
return 0;
}
if (nCfgs < iPixelFormat || 1 > iPixelFormat) {
WARN("unexpected iPixelFormat(%d): not >=1 and <=nFormats(%d), returning NULL\n", iPixelFormat, nCfgs);
return 0;
}
/* Retrieve the index in the FBConfig table corresponding to the visual ID from the main visual */
if(!ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, &fmt_index, &value)) {
ERR("Can't find a valid pixel format index from the main visual, expect problems!\n");
return 0;
}
ret = nCfgs;
cur = cfgs[fmt_index];
memset(ppfd, 0, sizeof(PIXELFORMATDESCRIPTOR));
ppfd->nSize = sizeof(PIXELFORMATDESCRIPTOR);
ppfd->nVersion = 1;
/* These flags are always the same... */
ppfd->dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
/* Now the flags extracted from the Visual */
wine_tsx11_lock();
pglXGetFBConfigAttrib(gdi_display, cur, GLX_CONFIG_CAVEAT, &value);
if(value == GLX_SLOW_CONFIG)
ppfd->dwFlags |= PFD_GENERIC_ACCELERATED;
pglXGetFBConfigAttrib(gdi_display, cur, GLX_DOUBLEBUFFER, &value); if (value) ppfd->dwFlags |= PFD_DOUBLEBUFFER;
pglXGetFBConfigAttrib(gdi_display, cur, GLX_STEREO, &value); if (value) ppfd->dwFlags |= PFD_STEREO;
/* Pixel type */
pglXGetFBConfigAttrib(gdi_display, cur, GLX_RENDER_TYPE, &value);
if (value & GLX_RGBA_BIT)
ppfd->iPixelType = PFD_TYPE_RGBA;
else
ppfd->iPixelType = PFD_TYPE_COLORINDEX;
/* Color bits */
pglXGetFBConfigAttrib(gdi_display, cur, GLX_BUFFER_SIZE, &value);
ppfd->cColorBits = value;
/* Red, green, blue and alpha bits / shifts */
if (ppfd->iPixelType == PFD_TYPE_RGBA) {
pglXGetFBConfigAttrib(gdi_display, cur, GLX_RED_SIZE, &rb);
pglXGetFBConfigAttrib(gdi_display, cur, GLX_GREEN_SIZE, &gb);
pglXGetFBConfigAttrib(gdi_display, cur, GLX_BLUE_SIZE, &bb);
pglXGetFBConfigAttrib(gdi_display, cur, GLX_ALPHA_SIZE, &ab);
ppfd->cRedBits = rb;
ppfd->cRedShift = gb + bb + ab;
ppfd->cBlueBits = bb;
ppfd->cBlueShift = ab;
ppfd->cGreenBits = gb;
ppfd->cGreenShift = bb + ab;
ppfd->cAlphaBits = ab;
ppfd->cAlphaShift = 0;
} else {
ppfd->cRedBits = 0;
ppfd->cRedShift = 0;
ppfd->cBlueBits = 0;
ppfd->cBlueShift = 0;
ppfd->cGreenBits = 0;
ppfd->cGreenShift = 0;
ppfd->cAlphaBits = 0;
ppfd->cAlphaShift = 0;
}
/* Accums : to do ... */
/* Depth bits */
pglXGetFBConfigAttrib(gdi_display, cur, GLX_DEPTH_SIZE, &value);
ppfd->cDepthBits = value;
/* stencil bits */
pglXGetFBConfigAttrib(gdi_display, cur, GLX_STENCIL_SIZE, &value);
ppfd->cStencilBits = value;
wine_tsx11_unlock();
/* Aux : to do ... */
ppfd->iLayerType = PFD_MAIN_PLANE;
if (TRACE_ON(opengl)) {
dump_PIXELFORMATDESCRIPTOR(ppfd);
}
wine_tsx11_lock();
if (NULL != cfgs) XFree(cfgs);
wine_tsx11_unlock();
return ret;
}
/**
* X11DRV_GetPixelFormat
*
* Get the pixel-format id used by this DC
*/
int X11DRV_GetPixelFormat(X11DRV_PDEVICE *physDev) {
TRACE("(%p): returns %d\n", physDev, physDev->current_pf);
return physDev->current_pf;
}
/**
* X11DRV_SetPixelFormat
*
* Set the pixel-format id used by this DC
*/
BOOL X11DRV_SetPixelFormat(X11DRV_PDEVICE *physDev,
int iPixelFormat,
const PIXELFORMATDESCRIPTOR *ppfd) {
TRACE("(%p,%d,%p)\n", physDev, iPixelFormat, ppfd);
/* At the moment we only support the pixelformat corresponding to the main
* x11drv visual which got created at x11drv initialization. More formats
* can be supported if there was a way to recreate x11 windows in x11drv
*/
if(iPixelFormat != 1) {
TRACE("Invalid iPixelFormat: %d\n", iPixelFormat);
return 0;
}
physDev->current_pf = iPixelFormat;
if (TRACE_ON(opengl)) {
int nCfgs_fmt = 0;
GLXFBConfig* cfgs_fmt = NULL;
GLXFBConfig cur_cfg;
int value;
int gl_test = 0;
int fmt_index = 0;
if(!ConvertPixelFormatWGLtoGLX(gdi_display, iPixelFormat, &fmt_index, &value)) {
ERR("Can't find a valid pixel format index from the main visual, expect problems!\n");
return TRUE; /* Return true because the SetPixelFormat stuff itself passed */
}
/*
* How to test if hdc current drawable is compatible (visual/FBConfig) ?
*
* in case of root window created HDCs we crash here :(
*
Drawable drawable = get_drawable( physDev->hdc );
TRACE(" drawable (%p,%p) have :\n", drawable, root_window);
pglXQueryDrawable(gdi_display, drawable, GLX_FBCONFIG_ID, (unsigned int*) &value);
TRACE(" - FBCONFIG_ID as 0x%x\n", tmp);
pglXQueryDrawable(gdi_display, drawable, GLX_VISUAL_ID, (unsigned int*) &value);
TRACE(" - VISUAL_ID as 0x%x\n", tmp);
pglXQueryDrawable(gdi_display, drawable, GLX_WIDTH, (unsigned int*) &value);
TRACE(" - WIDTH as %d\n", tmp);
pglXQueryDrawable(gdi_display, drawable, GLX_HEIGHT, (unsigned int*) &value);
TRACE(" - HEIGHT as %d\n", tmp);
*/
cfgs_fmt = pglXGetFBConfigs(gdi_display, DefaultScreen(gdi_display), &nCfgs_fmt);
cur_cfg = cfgs_fmt[fmt_index];
gl_test = pglXGetFBConfigAttrib(gdi_display, cur_cfg, GLX_FBCONFIG_ID, &value);
if (gl_test) {
ERR("Failed to retrieve FBCONFIG_ID from GLXFBConfig, expect problems.\n");
} else {
TRACE(" FBConfig have :\n");
TRACE(" - FBCONFIG_ID 0x%x\n", value);
pglXGetFBConfigAttrib(gdi_display, cur_cfg, GLX_VISUAL_ID, &value);
TRACE(" - VISUAL_ID 0x%x\n", value);
pglXGetFBConfigAttrib(gdi_display, cur_cfg, GLX_DRAWABLE_TYPE, &value);
TRACE(" - DRAWABLE_TYPE 0x%x\n", value);
}
XFree(cfgs_fmt);
}
return TRUE;
}
static XID create_glxpixmap(X11DRV_PDEVICE *physDev)
{
GLXPixmap ret;
XVisualInfo *vis;
XVisualInfo template;
int num;
wine_tsx11_lock();
/* Retrieve the visualid from our main visual which is the only visual we can use */
template.visualid = XVisualIDFromVisual(visual);
vis = XGetVisualInfo(gdi_display, VisualIDMask, &template, &num);
ret = pglXCreateGLXPixmap(gdi_display, vis, physDev->bitmap->pixmap);
XFree(vis);
wine_tsx11_unlock();
TRACE("return %lx\n", ret);
return ret;
}
Drawable get_glxdrawable(X11DRV_PDEVICE *physDev)
{
Drawable ret;
if(physDev->bitmap)
{
if (physDev->bitmap->hbitmap == BITMAP_stock_phys_bitmap.hbitmap)
ret = physDev->drawable; /* PBuffer */
else
{
if(!physDev->bitmap->glxpixmap)
physDev->bitmap->glxpixmap = create_glxpixmap(physDev);
ret = physDev->bitmap->glxpixmap;
}
}
else
ret = physDev->drawable;
return ret;
}
BOOL destroy_glxpixmap(XID glxpixmap)
{
wine_tsx11_lock();
pglXDestroyGLXPixmap(gdi_display, glxpixmap);
wine_tsx11_unlock();
return TRUE;
}
/**
* X11DRV_SwapBuffers
*
* Swap the buffers of this DC
*/
BOOL X11DRV_SwapBuffers(X11DRV_PDEVICE *physDev)
{
GLXDrawable drawable;
if (!has_opengl()) {
ERR("No libGL on this box - disabling OpenGL support !\n");
return 0;
}
TRACE_(opengl)("(%p)\n", physDev);
drawable = get_glxdrawable(physDev);
wine_tsx11_lock();
pglXSwapBuffers(gdi_display, drawable);
wine_tsx11_unlock();
/* FPS support */
if (TRACE_ON(fps))
{
static long prev_time, frames;
DWORD time = GetTickCount();
frames++;
/* every 1.5 seconds */
if (time - prev_time > 1500) {
TRACE_(fps)("@ approx %.2ffps\n", 1000.0*frames/(time - prev_time));
prev_time = time;
frames = 0;
}
}
return TRUE;
}
/***********************************************************************
* X11DRV_setup_opengl_visual
*
* Setup the default visual used for OpenGL and Direct3D, and the desktop
* window (if it exists). If OpenGL isn't available, the visual is simply
* set to the default visual for the display
*/
XVisualInfo *X11DRV_setup_opengl_visual( Display *display )
{
XVisualInfo *visual = NULL;
/* In order to support OpenGL or D3D, we require a double-buffered visual and stencil buffer support, */
int dblBuf[] = {GLX_RGBA,GLX_DEPTH_SIZE, 24, GLX_STENCIL_SIZE, 8, GLX_ALPHA_SIZE, 8, GLX_DOUBLEBUFFER, None};
if (!has_opengl()) return NULL;
wine_tsx11_lock();
visual = pglXChooseVisual(display, DefaultScreen(display), dblBuf);
wine_tsx11_unlock();
if (visual == NULL) {
/* fallback to 16 bits depth, no alpha */
int dblBuf2[] = {GLX_RGBA,GLX_DEPTH_SIZE, 16, GLX_STENCIL_SIZE, 8, GLX_DOUBLEBUFFER, None};
WARN("Failed to get a visual with at least 24 bits depth\n");
wine_tsx11_lock();
visual = pglXChooseVisual(display, DefaultScreen(display), dblBuf2);
wine_tsx11_unlock();
if (visual == NULL) {
/* fallback to no stencil */
int dblBuf2[] = {GLX_RGBA,GLX_DEPTH_SIZE, 16, GLX_DOUBLEBUFFER, None};
WARN("Failed to get a visual with at least 8 bits of stencil\n");
wine_tsx11_lock();
visual = pglXChooseVisual(display, DefaultScreen(display), dblBuf2);
wine_tsx11_unlock();
if (visual == NULL) {
/* This should only happen if we cannot find a match with a depth size 16 */
FIXME("Failed to find a suitable visual\n");
return visual;
}
}
}
TRACE("Visual ID %lx Chosen\n",visual->visualid);
return visual;
}
#else /* no OpenGL includes */
void X11DRV_OpenGL_Init(Display *display)
{
}
/***********************************************************************
* ChoosePixelFormat (X11DRV.@)
*/
int X11DRV_ChoosePixelFormat(X11DRV_PDEVICE *physDev,
const PIXELFORMATDESCRIPTOR *ppfd) {
ERR("No OpenGL support compiled in.\n");
return 0;
}
/***********************************************************************
* DescribePixelFormat (X11DRV.@)
*/
int X11DRV_DescribePixelFormat(X11DRV_PDEVICE *physDev,
int iPixelFormat,
UINT nBytes,
PIXELFORMATDESCRIPTOR *ppfd) {
ERR("No OpenGL support compiled in.\n");
return 0;
}
/***********************************************************************
* GetPixelFormat (X11DRV.@)
*/
int X11DRV_GetPixelFormat(X11DRV_PDEVICE *physDev) {
ERR("No OpenGL support compiled in.\n");
return 0;
}
/***********************************************************************
* SetPixelFormat (X11DRV.@)
*/
BOOL X11DRV_SetPixelFormat(X11DRV_PDEVICE *physDev,
int iPixelFormat,
const PIXELFORMATDESCRIPTOR *ppfd) {
ERR("No OpenGL support compiled in.\n");
return FALSE;
}
/***********************************************************************
* SwapBuffers (X11DRV.@)
*/
BOOL X11DRV_SwapBuffers(X11DRV_PDEVICE *physDev) {
ERR_(opengl)("No OpenGL support compiled in.\n");
return FALSE;
}
XVisualInfo *X11DRV_setup_opengl_visual( Display *display )
{
return NULL;
}
Drawable get_glxdrawable(X11DRV_PDEVICE *physDev)
{
return 0;
}
BOOL destroy_glxpixmap(XID glxpixmap)
{
return FALSE;
}
#endif /* defined(HAVE_OPENGL) */
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