| /************************************************************************** |
| * |
| * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. |
| * Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com> |
| * Copyright 2010-2011 LunarG, Inc. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| |
| /** |
| * This is an EGL driver that wraps GLX. This gives the benefit of being |
| * completely agnostic of the direct rendering implementation. |
| * |
| * Authors: Alan Hourihane <alanh@tungstengraphics.com> |
| */ |
| |
| #include <stdlib.h> |
| #include <string.h> |
| #include <X11/Xlib.h> |
| #include <dlfcn.h> |
| #include "GL/glx.h" |
| |
| #include "eglconfig.h" |
| #include "eglcontext.h" |
| #include "egldefines.h" |
| #include "egldisplay.h" |
| #include "egldriver.h" |
| #include "eglcurrent.h" |
| #include "egllog.h" |
| #include "eglsurface.h" |
| |
| #define CALLOC_STRUCT(T) (struct T *) calloc(1, sizeof(struct T)) |
| |
| #ifndef GLX_VERSION_1_4 |
| #error "GL/glx.h must be equal to or greater than GLX 1.4" |
| #endif |
| |
| /* GLX 1.0 */ |
| typedef GLXContext (*GLXCREATECONTEXTPROC)( Display *dpy, XVisualInfo *vis, GLXContext shareList, Bool direct ); |
| typedef void (*GLXDESTROYCONTEXTPROC)( Display *dpy, GLXContext ctx ); |
| typedef Bool (*GLXMAKECURRENTPROC)( Display *dpy, GLXDrawable drawable, GLXContext ctx); |
| typedef void (*GLXSWAPBUFFERSPROC)( Display *dpy, GLXDrawable drawable ); |
| typedef GLXPixmap (*GLXCREATEGLXPIXMAPPROC)( Display *dpy, XVisualInfo *visual, Pixmap pixmap ); |
| typedef void (*GLXDESTROYGLXPIXMAPPROC)( Display *dpy, GLXPixmap pixmap ); |
| typedef Bool (*GLXQUERYVERSIONPROC)( Display *dpy, int *maj, int *min ); |
| typedef int (*GLXGETCONFIGPROC)( Display *dpy, XVisualInfo *visual, int attrib, int *value ); |
| typedef void (*GLXWAITGLPROC)( void ); |
| typedef void (*GLXWAITXPROC)( void ); |
| |
| /* GLX 1.1 */ |
| typedef const char *(*GLXQUERYEXTENSIONSSTRINGPROC)( Display *dpy, int screen ); |
| typedef const char *(*GLXQUERYSERVERSTRINGPROC)( Display *dpy, int screen, int name ); |
| typedef const char *(*GLXGETCLIENTSTRINGPROC)( Display *dpy, int name ); |
| |
| /** subclass of _EGLDriver */ |
| struct GLX_egl_driver |
| { |
| _EGLDriver Base; /**< base class */ |
| |
| void *handle; |
| |
| /* GLX 1.0 */ |
| GLXCREATECONTEXTPROC glXCreateContext; |
| GLXDESTROYCONTEXTPROC glXDestroyContext; |
| GLXMAKECURRENTPROC glXMakeCurrent; |
| GLXSWAPBUFFERSPROC glXSwapBuffers; |
| GLXCREATEGLXPIXMAPPROC glXCreateGLXPixmap; |
| GLXDESTROYGLXPIXMAPPROC glXDestroyGLXPixmap; |
| GLXQUERYVERSIONPROC glXQueryVersion; |
| GLXGETCONFIGPROC glXGetConfig; |
| GLXWAITGLPROC glXWaitGL; |
| GLXWAITXPROC glXWaitX; |
| |
| /* GLX 1.1 */ |
| GLXQUERYEXTENSIONSSTRINGPROC glXQueryExtensionsString; |
| GLXQUERYSERVERSTRINGPROC glXQueryServerString; |
| GLXGETCLIENTSTRINGPROC glXGetClientString; |
| |
| /* GLX 1.3 or (GLX_SGI_make_current_read and GLX_SGIX_fbconfig) */ |
| PFNGLXGETFBCONFIGSPROC glXGetFBConfigs; |
| PFNGLXGETFBCONFIGATTRIBPROC glXGetFBConfigAttrib; |
| PFNGLXGETVISUALFROMFBCONFIGPROC glXGetVisualFromFBConfig; |
| PFNGLXCREATEWINDOWPROC glXCreateWindow; |
| PFNGLXDESTROYWINDOWPROC glXDestroyWindow; |
| PFNGLXCREATEPIXMAPPROC glXCreatePixmap; |
| PFNGLXDESTROYPIXMAPPROC glXDestroyPixmap; |
| PFNGLXCREATEPBUFFERPROC glXCreatePbuffer; |
| PFNGLXDESTROYPBUFFERPROC glXDestroyPbuffer; |
| PFNGLXCREATENEWCONTEXTPROC glXCreateNewContext; |
| PFNGLXMAKECONTEXTCURRENTPROC glXMakeContextCurrent; |
| |
| /* GLX 1.4 or GLX_ARB_get_proc_address */ |
| PFNGLXGETPROCADDRESSPROC glXGetProcAddress; |
| |
| /* GLX_SGIX_pbuffer */ |
| PFNGLXCREATEGLXPBUFFERSGIXPROC glXCreateGLXPbufferSGIX; |
| PFNGLXDESTROYGLXPBUFFERSGIXPROC glXDestroyGLXPbufferSGIX; |
| }; |
| |
| |
| /** driver data of _EGLDisplay */ |
| struct GLX_egl_display |
| { |
| Display *dpy; |
| XVisualInfo *visuals; |
| GLXFBConfig *fbconfigs; |
| |
| int glx_maj, glx_min; |
| |
| const char *extensions; |
| EGLBoolean have_1_3; |
| EGLBoolean have_make_current_read; |
| EGLBoolean have_fbconfig; |
| EGLBoolean have_pbuffer; |
| |
| /* workaround quirks of different GLX implementations */ |
| EGLBoolean single_buffered_quirk; |
| EGLBoolean glx_window_quirk; |
| }; |
| |
| |
| /** subclass of _EGLContext */ |
| struct GLX_egl_context |
| { |
| _EGLContext Base; /**< base class */ |
| |
| GLXContext context; |
| }; |
| |
| |
| /** subclass of _EGLSurface */ |
| struct GLX_egl_surface |
| { |
| _EGLSurface Base; /**< base class */ |
| |
| Drawable drawable; |
| GLXDrawable glx_drawable; |
| |
| void (*destroy)(Display *, GLXDrawable); |
| }; |
| |
| |
| /** subclass of _EGLConfig */ |
| struct GLX_egl_config |
| { |
| _EGLConfig Base; /**< base class */ |
| EGLBoolean double_buffered; |
| int index; |
| }; |
| |
| /* standard typecasts */ |
| _EGL_DRIVER_STANDARD_TYPECASTS(GLX_egl) |
| |
| static int |
| GLX_egl_config_index(_EGLConfig *conf) |
| { |
| struct GLX_egl_config *GLX_conf = GLX_egl_config(conf); |
| return GLX_conf->index; |
| } |
| |
| |
| static const struct { |
| int attr; |
| int egl_attr; |
| } fbconfig_attributes[] = { |
| /* table 3.1 of GLX 1.4 */ |
| { GLX_FBCONFIG_ID, 0 }, |
| { GLX_BUFFER_SIZE, EGL_BUFFER_SIZE }, |
| { GLX_LEVEL, EGL_LEVEL }, |
| { GLX_DOUBLEBUFFER, 0 }, |
| { GLX_STEREO, 0 }, |
| { GLX_AUX_BUFFERS, 0 }, |
| { GLX_RED_SIZE, EGL_RED_SIZE }, |
| { GLX_GREEN_SIZE, EGL_GREEN_SIZE }, |
| { GLX_BLUE_SIZE, EGL_BLUE_SIZE }, |
| { GLX_ALPHA_SIZE, EGL_ALPHA_SIZE }, |
| { GLX_DEPTH_SIZE, EGL_DEPTH_SIZE }, |
| { GLX_STENCIL_SIZE, EGL_STENCIL_SIZE }, |
| { GLX_ACCUM_RED_SIZE, 0 }, |
| { GLX_ACCUM_GREEN_SIZE, 0 }, |
| { GLX_ACCUM_BLUE_SIZE, 0 }, |
| { GLX_ACCUM_ALPHA_SIZE, 0 }, |
| { GLX_SAMPLE_BUFFERS, EGL_SAMPLE_BUFFERS }, |
| { GLX_SAMPLES, EGL_SAMPLES }, |
| { GLX_RENDER_TYPE, 0 }, |
| { GLX_DRAWABLE_TYPE, EGL_SURFACE_TYPE }, |
| { GLX_X_RENDERABLE, EGL_NATIVE_RENDERABLE }, |
| { GLX_X_VISUAL_TYPE, EGL_NATIVE_VISUAL_TYPE }, |
| { GLX_CONFIG_CAVEAT, EGL_CONFIG_CAVEAT }, |
| { GLX_TRANSPARENT_TYPE, EGL_TRANSPARENT_TYPE }, |
| { GLX_TRANSPARENT_INDEX_VALUE, 0 }, |
| { GLX_TRANSPARENT_RED_VALUE, EGL_TRANSPARENT_RED_VALUE }, |
| { GLX_TRANSPARENT_GREEN_VALUE, EGL_TRANSPARENT_GREEN_VALUE }, |
| { GLX_TRANSPARENT_BLUE_VALUE, EGL_TRANSPARENT_BLUE_VALUE }, |
| { GLX_MAX_PBUFFER_WIDTH, EGL_MAX_PBUFFER_WIDTH }, |
| { GLX_MAX_PBUFFER_HEIGHT, EGL_MAX_PBUFFER_HEIGHT }, |
| { GLX_MAX_PBUFFER_PIXELS, EGL_MAX_PBUFFER_PIXELS }, |
| { GLX_VISUAL_ID, EGL_NATIVE_VISUAL_ID } |
| }; |
| |
| |
| static EGLBoolean |
| convert_fbconfig(struct GLX_egl_driver *GLX_drv, |
| struct GLX_egl_display *GLX_dpy, GLXFBConfig fbconfig, |
| struct GLX_egl_config *GLX_conf) |
| { |
| Display *dpy = GLX_dpy->dpy; |
| int err, attr, val; |
| unsigned i; |
| |
| /* must have rgba bit */ |
| err = GLX_drv->glXGetFBConfigAttrib(dpy, fbconfig, GLX_RENDER_TYPE, &val); |
| if (err || !(val & GLX_RGBA_BIT)) |
| return EGL_FALSE; |
| |
| /* must know whether it is double-buffered */ |
| err = GLX_drv->glXGetFBConfigAttrib(dpy, fbconfig, GLX_DOUBLEBUFFER, &val); |
| if (err) |
| return EGL_FALSE; |
| GLX_conf->double_buffered = val; |
| |
| GLX_conf->Base.RenderableType = EGL_OPENGL_BIT; |
| GLX_conf->Base.Conformant = EGL_OPENGL_BIT; |
| |
| for (i = 0; i < ARRAY_SIZE(fbconfig_attributes); i++) { |
| EGLint egl_attr, egl_val; |
| |
| attr = fbconfig_attributes[i].attr; |
| egl_attr = fbconfig_attributes[i].egl_attr; |
| if (!egl_attr) |
| continue; |
| |
| err = GLX_drv->glXGetFBConfigAttrib(dpy, fbconfig, attr, &val); |
| if (err) { |
| if (err == GLX_BAD_ATTRIBUTE) { |
| err = 0; |
| continue; |
| } |
| break; |
| } |
| |
| switch (egl_attr) { |
| case EGL_SURFACE_TYPE: |
| egl_val = 0; |
| if (val & GLX_WINDOW_BIT) |
| egl_val |= EGL_WINDOW_BIT; |
| /* pixmap and pbuffer surfaces must be single-buffered in EGL */ |
| if (!GLX_conf->double_buffered) { |
| if (val & GLX_PIXMAP_BIT) |
| egl_val |= EGL_PIXMAP_BIT; |
| if (val & GLX_PBUFFER_BIT) |
| egl_val |= EGL_PBUFFER_BIT; |
| } |
| break; |
| case EGL_NATIVE_VISUAL_TYPE: |
| switch (val) { |
| case GLX_TRUE_COLOR: |
| egl_val = TrueColor; |
| break; |
| case GLX_DIRECT_COLOR: |
| egl_val = DirectColor; |
| break; |
| case GLX_PSEUDO_COLOR: |
| egl_val = PseudoColor; |
| break; |
| case GLX_STATIC_COLOR: |
| egl_val = StaticColor; |
| break; |
| case GLX_GRAY_SCALE: |
| egl_val = GrayScale; |
| break; |
| case GLX_STATIC_GRAY: |
| egl_val = StaticGray; |
| break; |
| default: |
| egl_val = EGL_NONE; |
| break; |
| } |
| break; |
| case EGL_CONFIG_CAVEAT: |
| egl_val = EGL_NONE; |
| if (val == GLX_SLOW_CONFIG) { |
| egl_val = EGL_SLOW_CONFIG; |
| } |
| else if (val == GLX_NON_CONFORMANT_CONFIG) { |
| GLX_conf->Base.Conformant &= ~EGL_OPENGL_BIT; |
| egl_val = EGL_NONE; |
| } |
| break; |
| case EGL_TRANSPARENT_TYPE: |
| egl_val = (val == GLX_TRANSPARENT_RGB) ? |
| EGL_TRANSPARENT_RGB : EGL_NONE; |
| break; |
| default: |
| egl_val = val; |
| break; |
| } |
| |
| _eglSetConfigKey(&GLX_conf->Base, egl_attr, egl_val); |
| } |
| if (err) |
| return EGL_FALSE; |
| |
| if (!GLX_conf->Base.SurfaceType) |
| return EGL_FALSE; |
| |
| return EGL_TRUE; |
| } |
| |
| static const struct { |
| int attr; |
| int egl_attr; |
| } visual_attributes[] = { |
| /* table 3.7 of GLX 1.4 */ |
| { GLX_USE_GL, 0 }, |
| { GLX_BUFFER_SIZE, EGL_BUFFER_SIZE }, |
| { GLX_LEVEL, EGL_LEVEL }, |
| { GLX_RGBA, 0 }, |
| { GLX_DOUBLEBUFFER, 0 }, |
| { GLX_STEREO, 0 }, |
| { GLX_AUX_BUFFERS, 0 }, |
| { GLX_RED_SIZE, EGL_RED_SIZE }, |
| { GLX_GREEN_SIZE, EGL_GREEN_SIZE }, |
| { GLX_BLUE_SIZE, EGL_BLUE_SIZE }, |
| { GLX_ALPHA_SIZE, EGL_ALPHA_SIZE }, |
| { GLX_DEPTH_SIZE, EGL_DEPTH_SIZE }, |
| { GLX_STENCIL_SIZE, EGL_STENCIL_SIZE }, |
| { GLX_ACCUM_RED_SIZE, 0 }, |
| { GLX_ACCUM_GREEN_SIZE, 0 }, |
| { GLX_ACCUM_BLUE_SIZE, 0 }, |
| { GLX_ACCUM_ALPHA_SIZE, 0 }, |
| { GLX_SAMPLE_BUFFERS, EGL_SAMPLE_BUFFERS }, |
| { GLX_SAMPLES, EGL_SAMPLES }, |
| { GLX_FBCONFIG_ID, 0 }, |
| /* GLX_EXT_visual_rating */ |
| { GLX_VISUAL_CAVEAT_EXT, EGL_CONFIG_CAVEAT } |
| }; |
| |
| static EGLBoolean |
| convert_visual(struct GLX_egl_driver *GLX_drv, |
| struct GLX_egl_display *GLX_dpy, XVisualInfo *vinfo, |
| struct GLX_egl_config *GLX_conf) |
| { |
| Display *dpy = GLX_dpy->dpy; |
| int err, attr, val; |
| unsigned i; |
| |
| /* the visual must support OpenGL and RGBA buffer */ |
| err = GLX_drv->glXGetConfig(dpy, vinfo, GLX_USE_GL, &val); |
| if (!err && val) |
| err = GLX_drv->glXGetConfig(dpy, vinfo, GLX_RGBA, &val); |
| if (err || !val) |
| return EGL_FALSE; |
| |
| /* must know whether it is double-buffered */ |
| err = GLX_drv->glXGetConfig(dpy, vinfo, GLX_DOUBLEBUFFER, &val); |
| if (err) |
| return EGL_FALSE; |
| GLX_conf->double_buffered = val; |
| |
| GLX_conf->Base.RenderableType = EGL_OPENGL_BIT; |
| GLX_conf->Base.Conformant = EGL_OPENGL_BIT; |
| GLX_conf->Base.SurfaceType = EGL_WINDOW_BIT; |
| /* pixmap surfaces must be single-buffered in EGL */ |
| if (!GLX_conf->double_buffered) |
| GLX_conf->Base.SurfaceType |= EGL_PIXMAP_BIT; |
| |
| GLX_conf->Base.NativeVisualID = vinfo->visualid; |
| GLX_conf->Base.NativeVisualType = vinfo->class; |
| GLX_conf->Base.NativeRenderable = EGL_TRUE; |
| |
| for (i = 0; i < ARRAY_SIZE(visual_attributes); i++) { |
| EGLint egl_attr, egl_val; |
| |
| attr = visual_attributes[i].attr; |
| egl_attr = visual_attributes[i].egl_attr; |
| if (!egl_attr) |
| continue; |
| |
| err = GLX_drv->glXGetConfig(dpy, vinfo, attr, &val); |
| if (err) { |
| if (err == GLX_BAD_ATTRIBUTE) { |
| err = 0; |
| continue; |
| } |
| break; |
| } |
| |
| switch (egl_attr) { |
| case EGL_CONFIG_CAVEAT: |
| egl_val = EGL_NONE; |
| if (val == GLX_SLOW_VISUAL_EXT) { |
| egl_val = EGL_SLOW_CONFIG; |
| } |
| else if (val == GLX_NON_CONFORMANT_VISUAL_EXT) { |
| GLX_conf->Base.Conformant &= ~EGL_OPENGL_BIT; |
| egl_val = EGL_NONE; |
| } |
| break; |
| break; |
| default: |
| egl_val = val; |
| break; |
| } |
| _eglSetConfigKey(&GLX_conf->Base, egl_attr, egl_val); |
| } |
| |
| return (err) ? EGL_FALSE : EGL_TRUE; |
| } |
| |
| |
| static void |
| fix_config(struct GLX_egl_display *GLX_dpy, struct GLX_egl_config *GLX_conf) |
| { |
| _EGLConfig *conf = &GLX_conf->Base; |
| |
| if (!GLX_conf->double_buffered && GLX_dpy->single_buffered_quirk) { |
| /* some GLX impls do not like single-buffered window surface */ |
| conf->SurfaceType &= ~EGL_WINDOW_BIT; |
| /* pbuffer bit is usually not set */ |
| if (GLX_dpy->have_pbuffer) |
| conf->SurfaceType |= EGL_PBUFFER_BIT; |
| } |
| |
| /* no visual attribs unless window bit is set */ |
| if (!(conf->SurfaceType & EGL_WINDOW_BIT)) { |
| conf->NativeVisualID = 0; |
| conf->NativeVisualType = EGL_NONE; |
| } |
| |
| if (conf->TransparentType != EGL_TRANSPARENT_RGB) { |
| /* some impls set them to -1 (GLX_DONT_CARE) */ |
| conf->TransparentRedValue = 0; |
| conf->TransparentGreenValue = 0; |
| conf->TransparentBlueValue = 0; |
| } |
| |
| /* make sure buffer size is set correctly */ |
| conf->BufferSize = |
| conf->RedSize + conf->GreenSize + conf->BlueSize + conf->AlphaSize; |
| } |
| |
| |
| static EGLBoolean |
| create_configs(_EGLDriver *drv, _EGLDisplay *dpy, EGLint screen) |
| { |
| struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv); |
| struct GLX_egl_display *GLX_dpy = GLX_egl_display(dpy); |
| EGLint num_configs = 0, i; |
| EGLint id = 1; |
| |
| if (GLX_dpy->have_fbconfig) { |
| GLX_dpy->fbconfigs = |
| GLX_drv->glXGetFBConfigs(GLX_dpy->dpy, screen, &num_configs); |
| } |
| else { |
| XVisualInfo vinfo_template; |
| long mask; |
| |
| vinfo_template.screen = screen; |
| mask = VisualScreenMask; |
| GLX_dpy->visuals = XGetVisualInfo(GLX_dpy->dpy, mask, &vinfo_template, |
| &num_configs); |
| } |
| |
| if (!num_configs) |
| return EGL_FALSE; |
| |
| for (i = 0; i < num_configs; i++) { |
| struct GLX_egl_config *GLX_conf, template; |
| EGLBoolean ok; |
| |
| memset(&template, 0, sizeof(template)); |
| _eglInitConfig(&template.Base, dpy, id); |
| if (GLX_dpy->have_fbconfig) { |
| ok = convert_fbconfig(GLX_drv, GLX_dpy, |
| GLX_dpy->fbconfigs[i], &template); |
| } |
| else { |
| ok = convert_visual(GLX_drv, GLX_dpy, |
| &GLX_dpy->visuals[i], &template); |
| } |
| if (!ok) |
| continue; |
| |
| fix_config(GLX_dpy, &template); |
| if (!_eglValidateConfig(&template.Base, EGL_FALSE)) { |
| _eglLog(_EGL_DEBUG, "GLX: failed to validate config %d", i); |
| continue; |
| } |
| |
| GLX_conf = CALLOC_STRUCT(GLX_egl_config); |
| if (GLX_conf) { |
| memcpy(GLX_conf, &template, sizeof(template)); |
| GLX_conf->index = i; |
| |
| _eglLinkConfig(&GLX_conf->Base); |
| id++; |
| } |
| } |
| |
| return EGL_TRUE; |
| } |
| |
| |
| static void |
| check_extensions(struct GLX_egl_driver *GLX_drv, |
| struct GLX_egl_display *GLX_dpy, EGLint screen) |
| { |
| GLX_dpy->extensions = |
| GLX_drv->glXQueryExtensionsString(GLX_dpy->dpy, screen); |
| if (GLX_dpy->extensions) { |
| if (strstr(GLX_dpy->extensions, "GLX_SGI_make_current_read")) { |
| /* GLX 1.3 entry points are used */ |
| GLX_dpy->have_make_current_read = EGL_TRUE; |
| } |
| |
| if (strstr(GLX_dpy->extensions, "GLX_SGIX_fbconfig")) { |
| /* GLX 1.3 entry points are used */ |
| GLX_dpy->have_fbconfig = EGL_TRUE; |
| } |
| |
| if (strstr(GLX_dpy->extensions, "GLX_SGIX_pbuffer")) { |
| if (GLX_drv->glXCreateGLXPbufferSGIX && |
| GLX_drv->glXDestroyGLXPbufferSGIX && |
| GLX_dpy->have_fbconfig) |
| GLX_dpy->have_pbuffer = EGL_TRUE; |
| } |
| } |
| |
| if (GLX_dpy->glx_maj == 1 && GLX_dpy->glx_min >= 3) { |
| GLX_dpy->have_1_3 = EGL_TRUE; |
| GLX_dpy->have_make_current_read = EGL_TRUE; |
| GLX_dpy->have_fbconfig = EGL_TRUE; |
| GLX_dpy->have_pbuffer = EGL_TRUE; |
| } |
| } |
| |
| |
| static void |
| check_quirks(struct GLX_egl_driver *GLX_drv, |
| struct GLX_egl_display *GLX_dpy, EGLint screen) |
| { |
| const char *vendor; |
| |
| GLX_dpy->single_buffered_quirk = EGL_TRUE; |
| GLX_dpy->glx_window_quirk = EGL_TRUE; |
| |
| vendor = GLX_drv->glXGetClientString(GLX_dpy->dpy, GLX_VENDOR); |
| if (vendor && strstr(vendor, "NVIDIA")) { |
| vendor = GLX_drv->glXQueryServerString(GLX_dpy->dpy, screen, GLX_VENDOR); |
| if (vendor && strstr(vendor, "NVIDIA")) { |
| _eglLog(_EGL_DEBUG, "disable quirks"); |
| GLX_dpy->single_buffered_quirk = EGL_FALSE; |
| GLX_dpy->glx_window_quirk = EGL_FALSE; |
| } |
| } |
| } |
| |
| |
| /** |
| * Called via eglInitialize(), GLX_drv->API.Initialize(). |
| */ |
| static EGLBoolean |
| GLX_eglInitialize(_EGLDriver *drv, _EGLDisplay *disp) |
| { |
| struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv); |
| struct GLX_egl_display *GLX_dpy; |
| |
| if (disp->Platform != _EGL_PLATFORM_X11) |
| return EGL_FALSE; |
| |
| /* this is a fallback driver */ |
| if (!disp->Options.UseFallback) |
| return EGL_FALSE; |
| |
| if (disp->Options.TestOnly) |
| return EGL_TRUE; |
| |
| GLX_dpy = CALLOC_STRUCT(GLX_egl_display); |
| if (!GLX_dpy) |
| return _eglError(EGL_BAD_ALLOC, "eglInitialize"); |
| |
| GLX_dpy->dpy = (Display *) disp->PlatformDisplay; |
| if (!GLX_dpy->dpy) { |
| GLX_dpy->dpy = XOpenDisplay(NULL); |
| if (!GLX_dpy->dpy) { |
| _eglLog(_EGL_WARNING, "GLX: XOpenDisplay failed"); |
| free(GLX_dpy); |
| return EGL_FALSE; |
| } |
| } |
| |
| if (!GLX_drv->glXQueryVersion(GLX_dpy->dpy, |
| &GLX_dpy->glx_maj, &GLX_dpy->glx_min)) { |
| _eglLog(_EGL_WARNING, "GLX: glXQueryVersion failed"); |
| if (!disp->PlatformDisplay) |
| XCloseDisplay(GLX_dpy->dpy); |
| free(GLX_dpy); |
| return EGL_FALSE; |
| } |
| |
| disp->DriverData = (void *) GLX_dpy; |
| disp->ClientAPIs = EGL_OPENGL_BIT; |
| |
| check_extensions(GLX_drv, GLX_dpy, DefaultScreen(GLX_dpy->dpy)); |
| check_quirks(GLX_drv, GLX_dpy, DefaultScreen(GLX_dpy->dpy)); |
| |
| create_configs(drv, disp, DefaultScreen(GLX_dpy->dpy)); |
| if (!_eglGetArraySize(disp->Configs)) { |
| _eglLog(_EGL_WARNING, "GLX: failed to create any config"); |
| if (!disp->PlatformDisplay) |
| XCloseDisplay(GLX_dpy->dpy); |
| free(GLX_dpy); |
| return EGL_FALSE; |
| } |
| |
| /* we're supporting EGL 1.4 */ |
| disp->VersionMajor = 1; |
| disp->VersionMinor = 4; |
| |
| return EGL_TRUE; |
| } |
| |
| |
| /** |
| * Called via eglTerminate(), drv->API.Terminate(). |
| */ |
| static EGLBoolean |
| GLX_eglTerminate(_EGLDriver *drv, _EGLDisplay *disp) |
| { |
| struct GLX_egl_display *GLX_dpy = GLX_egl_display(disp); |
| |
| _eglReleaseDisplayResources(drv, disp); |
| _eglCleanupDisplay(disp); |
| |
| if (GLX_dpy->visuals) |
| XFree(GLX_dpy->visuals); |
| if (GLX_dpy->fbconfigs) |
| XFree(GLX_dpy->fbconfigs); |
| |
| if (!disp->PlatformDisplay) |
| XCloseDisplay(GLX_dpy->dpy); |
| free(GLX_dpy); |
| |
| disp->DriverData = NULL; |
| |
| return EGL_TRUE; |
| } |
| |
| |
| /** |
| * Called via eglCreateContext(), drv->API.CreateContext(). |
| */ |
| static _EGLContext * |
| GLX_eglCreateContext(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf, |
| _EGLContext *share_list, const EGLint *attrib_list) |
| { |
| struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv); |
| struct GLX_egl_context *GLX_ctx = CALLOC_STRUCT(GLX_egl_context); |
| struct GLX_egl_display *GLX_dpy = GLX_egl_display(disp); |
| struct GLX_egl_context *GLX_ctx_shared = GLX_egl_context(share_list); |
| |
| if (!GLX_ctx) { |
| _eglError(EGL_BAD_ALLOC, "eglCreateContext"); |
| return NULL; |
| } |
| |
| if (!_eglInitContext(&GLX_ctx->Base, disp, conf, attrib_list)) { |
| free(GLX_ctx); |
| return NULL; |
| } |
| |
| if (GLX_dpy->have_fbconfig) { |
| GLX_ctx->context = GLX_drv->glXCreateNewContext(GLX_dpy->dpy, |
| GLX_dpy->fbconfigs[GLX_egl_config_index(conf)], |
| GLX_RGBA_TYPE, |
| GLX_ctx_shared ? GLX_ctx_shared->context : NULL, |
| GL_TRUE); |
| } |
| else { |
| GLX_ctx->context = GLX_drv->glXCreateContext(GLX_dpy->dpy, |
| &GLX_dpy->visuals[GLX_egl_config_index(conf)], |
| GLX_ctx_shared ? GLX_ctx_shared->context : NULL, |
| GL_TRUE); |
| } |
| if (!GLX_ctx->context) { |
| free(GLX_ctx); |
| return NULL; |
| } |
| |
| return &GLX_ctx->Base; |
| } |
| |
| /** |
| * Called via eglDestroyContext(), drv->API.DestroyContext(). |
| */ |
| static EGLBoolean |
| GLX_eglDestroyContext(_EGLDriver *drv, _EGLDisplay *disp, _EGLContext *ctx) |
| { |
| struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv); |
| struct GLX_egl_display *GLX_dpy = GLX_egl_display(disp); |
| struct GLX_egl_context *GLX_ctx = GLX_egl_context(ctx); |
| |
| if (_eglPutContext(ctx)) { |
| assert(GLX_ctx); |
| GLX_drv->glXDestroyContext(GLX_dpy->dpy, GLX_ctx->context); |
| |
| free(GLX_ctx); |
| } |
| |
| return EGL_TRUE; |
| } |
| |
| /** |
| * Destroy a surface. The display is allowed to be uninitialized. |
| */ |
| static void |
| destroy_surface(_EGLDisplay *disp, _EGLSurface *surf) |
| { |
| struct GLX_egl_display *GLX_dpy = GLX_egl_display(disp); |
| struct GLX_egl_surface *GLX_surf = GLX_egl_surface(surf); |
| |
| if (GLX_surf->destroy) |
| GLX_surf->destroy(GLX_dpy->dpy, GLX_surf->glx_drawable); |
| |
| free(GLX_surf); |
| } |
| |
| |
| /** |
| * Called via eglMakeCurrent(), drv->API.MakeCurrent(). |
| */ |
| static EGLBoolean |
| GLX_eglMakeCurrent(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf, |
| _EGLSurface *rsurf, _EGLContext *ctx) |
| { |
| struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv); |
| struct GLX_egl_display *GLX_dpy = GLX_egl_display(disp); |
| struct GLX_egl_surface *GLX_dsurf = GLX_egl_surface(dsurf); |
| struct GLX_egl_surface *GLX_rsurf = GLX_egl_surface(rsurf); |
| struct GLX_egl_context *GLX_ctx = GLX_egl_context(ctx); |
| _EGLContext *old_ctx; |
| _EGLSurface *old_dsurf, *old_rsurf; |
| GLXDrawable ddraw, rdraw; |
| GLXContext cctx; |
| EGLBoolean ret = EGL_FALSE; |
| |
| /* make new bindings */ |
| if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf)) |
| return EGL_FALSE; |
| |
| ddraw = (GLX_dsurf) ? GLX_dsurf->glx_drawable : None; |
| rdraw = (GLX_rsurf) ? GLX_rsurf->glx_drawable : None; |
| cctx = (GLX_ctx) ? GLX_ctx->context : NULL; |
| |
| if (GLX_dpy->have_make_current_read) |
| ret = GLX_drv->glXMakeContextCurrent(GLX_dpy->dpy, ddraw, rdraw, cctx); |
| else if (ddraw == rdraw) |
| ret = GLX_drv->glXMakeCurrent(GLX_dpy->dpy, ddraw, cctx); |
| |
| if (ret) { |
| if (_eglPutSurface(old_dsurf)) |
| destroy_surface(disp, old_dsurf); |
| if (_eglPutSurface(old_rsurf)) |
| destroy_surface(disp, old_rsurf); |
| /* no destroy? */ |
| _eglPutContext(old_ctx); |
| } |
| else { |
| /* undo the previous _eglBindContext */ |
| _eglBindContext(old_ctx, old_dsurf, old_rsurf, &ctx, &dsurf, &rsurf); |
| assert(&GLX_ctx->Base == ctx && |
| &GLX_dsurf->Base == dsurf && |
| &GLX_rsurf->Base == rsurf); |
| |
| _eglPutSurface(dsurf); |
| _eglPutSurface(rsurf); |
| _eglPutContext(ctx); |
| |
| _eglPutSurface(old_dsurf); |
| _eglPutSurface(old_rsurf); |
| _eglPutContext(old_ctx); |
| } |
| |
| return ret; |
| } |
| |
| /** Get size of given window */ |
| static Status |
| get_drawable_size(Display *dpy, Drawable d, unsigned *width, unsigned *height) |
| { |
| Window root; |
| Status stat; |
| int xpos, ypos; |
| unsigned int w, h, bw, depth; |
| stat = XGetGeometry(dpy, d, &root, &xpos, &ypos, &w, &h, &bw, &depth); |
| *width = w; |
| *height = h; |
| return stat; |
| } |
| |
| /** |
| * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface(). |
| */ |
| static _EGLSurface * |
| GLX_eglCreateWindowSurface(_EGLDriver *drv, _EGLDisplay *disp, |
| _EGLConfig *conf, EGLNativeWindowType window, |
| const EGLint *attrib_list) |
| { |
| struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv); |
| struct GLX_egl_display *GLX_dpy = GLX_egl_display(disp); |
| struct GLX_egl_surface *GLX_surf; |
| unsigned width, height; |
| |
| GLX_surf = CALLOC_STRUCT(GLX_egl_surface); |
| if (!GLX_surf) { |
| _eglError(EGL_BAD_ALLOC, "eglCreateWindowSurface"); |
| return NULL; |
| } |
| |
| if (!_eglInitSurface(&GLX_surf->Base, disp, EGL_WINDOW_BIT, |
| conf, attrib_list)) { |
| free(GLX_surf); |
| return NULL; |
| } |
| |
| GLX_surf->drawable = window; |
| |
| if (GLX_dpy->have_1_3 && !GLX_dpy->glx_window_quirk) { |
| GLX_surf->glx_drawable = GLX_drv->glXCreateWindow(GLX_dpy->dpy, |
| GLX_dpy->fbconfigs[GLX_egl_config_index(conf)], |
| GLX_surf->drawable, NULL); |
| } |
| else { |
| GLX_surf->glx_drawable = GLX_surf->drawable; |
| } |
| |
| if (!GLX_surf->glx_drawable) { |
| free(GLX_surf); |
| return NULL; |
| } |
| |
| if (GLX_dpy->have_1_3 && !GLX_dpy->glx_window_quirk) |
| GLX_surf->destroy = GLX_drv->glXDestroyWindow; |
| |
| get_drawable_size(GLX_dpy->dpy, window, &width, &height); |
| GLX_surf->Base.Width = width; |
| GLX_surf->Base.Height = height; |
| |
| return &GLX_surf->Base; |
| } |
| |
| static _EGLSurface * |
| GLX_eglCreatePixmapSurface(_EGLDriver *drv, _EGLDisplay *disp, |
| _EGLConfig *conf, EGLNativePixmapType pixmap, |
| const EGLint *attrib_list) |
| { |
| struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv); |
| struct GLX_egl_display *GLX_dpy = GLX_egl_display(disp); |
| struct GLX_egl_surface *GLX_surf; |
| unsigned width, height; |
| |
| GLX_surf = CALLOC_STRUCT(GLX_egl_surface); |
| if (!GLX_surf) { |
| _eglError(EGL_BAD_ALLOC, "eglCreatePixmapSurface"); |
| return NULL; |
| } |
| |
| if (!_eglInitSurface(&GLX_surf->Base, disp, EGL_PIXMAP_BIT, |
| conf, attrib_list)) { |
| free(GLX_surf); |
| return NULL; |
| } |
| |
| GLX_surf->drawable = pixmap; |
| |
| if (GLX_dpy->have_1_3) { |
| GLX_surf->glx_drawable = GLX_drv->glXCreatePixmap(GLX_dpy->dpy, |
| GLX_dpy->fbconfigs[GLX_egl_config_index(conf)], |
| GLX_surf->drawable, NULL); |
| } |
| else if (GLX_dpy->have_fbconfig) { |
| GLXFBConfig fbconfig = GLX_dpy->fbconfigs[GLX_egl_config_index(conf)]; |
| XVisualInfo *vinfo; |
| |
| vinfo = GLX_drv->glXGetVisualFromFBConfig(GLX_dpy->dpy, fbconfig); |
| if (vinfo) { |
| GLX_surf->glx_drawable = GLX_drv->glXCreateGLXPixmap(GLX_dpy->dpy, |
| vinfo, GLX_surf->drawable); |
| XFree(vinfo); |
| } |
| } |
| else { |
| GLX_surf->glx_drawable = GLX_drv->glXCreateGLXPixmap(GLX_dpy->dpy, |
| &GLX_dpy->visuals[GLX_egl_config_index(conf)], |
| GLX_surf->drawable); |
| } |
| |
| if (!GLX_surf->glx_drawable) { |
| free(GLX_surf); |
| return NULL; |
| } |
| |
| GLX_surf->destroy = (GLX_dpy->have_1_3) ? |
| GLX_drv->glXDestroyPixmap : GLX_drv->glXDestroyGLXPixmap; |
| |
| get_drawable_size(GLX_dpy->dpy, pixmap, &width, &height); |
| GLX_surf->Base.Width = width; |
| GLX_surf->Base.Height = height; |
| |
| return &GLX_surf->Base; |
| } |
| |
| static _EGLSurface * |
| GLX_eglCreatePbufferSurface(_EGLDriver *drv, _EGLDisplay *disp, |
| _EGLConfig *conf, const EGLint *attrib_list) |
| { |
| struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv); |
| struct GLX_egl_display *GLX_dpy = GLX_egl_display(disp); |
| struct GLX_egl_surface *GLX_surf; |
| int attribs[5]; |
| int i; |
| |
| GLX_surf = CALLOC_STRUCT(GLX_egl_surface); |
| if (!GLX_surf) { |
| _eglError(EGL_BAD_ALLOC, "eglCreatePbufferSurface"); |
| return NULL; |
| } |
| |
| if (!_eglInitSurface(&GLX_surf->Base, disp, EGL_PBUFFER_BIT, |
| conf, attrib_list)) { |
| free(GLX_surf); |
| return NULL; |
| } |
| |
| i = 0; |
| attribs[i] = None; |
| |
| GLX_surf->drawable = None; |
| |
| if (GLX_dpy->have_1_3) { |
| /* put geometry in attribs */ |
| if (GLX_surf->Base.Width) { |
| attribs[i++] = GLX_PBUFFER_WIDTH; |
| attribs[i++] = GLX_surf->Base.Width; |
| } |
| if (GLX_surf->Base.Height) { |
| attribs[i++] = GLX_PBUFFER_HEIGHT; |
| attribs[i++] = GLX_surf->Base.Height; |
| } |
| attribs[i] = None; |
| |
| GLX_surf->glx_drawable = GLX_drv->glXCreatePbuffer(GLX_dpy->dpy, |
| GLX_dpy->fbconfigs[GLX_egl_config_index(conf)], attribs); |
| } |
| else if (GLX_dpy->have_pbuffer) { |
| GLX_surf->glx_drawable = GLX_drv->glXCreateGLXPbufferSGIX(GLX_dpy->dpy, |
| GLX_dpy->fbconfigs[GLX_egl_config_index(conf)], |
| GLX_surf->Base.Width, |
| GLX_surf->Base.Height, |
| attribs); |
| } |
| |
| if (!GLX_surf->glx_drawable) { |
| free(GLX_surf); |
| return NULL; |
| } |
| |
| GLX_surf->destroy = (GLX_dpy->have_1_3) ? |
| GLX_drv->glXDestroyPbuffer : GLX_drv->glXDestroyGLXPbufferSGIX; |
| |
| return &GLX_surf->Base; |
| } |
| |
| |
| static EGLBoolean |
| GLX_eglDestroySurface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf) |
| { |
| (void) drv; |
| |
| if (_eglPutSurface(surf)) |
| destroy_surface(disp, surf); |
| |
| return EGL_TRUE; |
| } |
| |
| |
| static EGLBoolean |
| GLX_eglSwapBuffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw) |
| { |
| struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv); |
| struct GLX_egl_display *GLX_dpy = GLX_egl_display(disp); |
| struct GLX_egl_surface *GLX_surf = GLX_egl_surface(draw); |
| |
| GLX_drv->glXSwapBuffers(GLX_dpy->dpy, GLX_surf->glx_drawable); |
| |
| return EGL_TRUE; |
| } |
| |
| /* |
| * Called from eglGetProcAddress() via drv->API.GetProcAddress(). |
| */ |
| static _EGLProc |
| GLX_eglGetProcAddress(_EGLDriver *drv, const char *procname) |
| { |
| struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv); |
| |
| return (_EGLProc) GLX_drv->glXGetProcAddress((const GLubyte *) procname); |
| } |
| |
| static EGLBoolean |
| GLX_eglWaitClient(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx) |
| { |
| struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv); |
| |
| (void) dpy; |
| (void) ctx; |
| |
| GLX_drv->glXWaitGL(); |
| return EGL_TRUE; |
| } |
| |
| static EGLBoolean |
| GLX_eglWaitNative(_EGLDriver *drv, _EGLDisplay *dpy, EGLint engine) |
| { |
| struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv); |
| |
| (void) dpy; |
| |
| if (engine != EGL_CORE_NATIVE_ENGINE) |
| return _eglError(EGL_BAD_PARAMETER, "eglWaitNative"); |
| GLX_drv->glXWaitX(); |
| return EGL_TRUE; |
| } |
| |
| static void |
| GLX_Unload(_EGLDriver *drv) |
| { |
| struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv); |
| |
| if (GLX_drv->handle) |
| dlclose(GLX_drv->handle); |
| free(GLX_drv); |
| } |
| |
| |
| static EGLBoolean |
| GLX_Load(_EGLDriver *drv) |
| { |
| struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv); |
| void *handle = NULL; |
| |
| GLX_drv->glXGetProcAddress = dlsym(RTLD_DEFAULT, "glXGetProcAddress"); |
| if (!GLX_drv->glXGetProcAddress) |
| GLX_drv->glXGetProcAddress = dlsym(RTLD_DEFAULT, "glXGetProcAddressARB"); |
| if (!GLX_drv->glXGetProcAddress) { |
| handle = dlopen("libGL.so", RTLD_LAZY | RTLD_LOCAL); |
| if (!handle) |
| goto fail; |
| |
| GLX_drv->glXGetProcAddress = dlsym(handle, "glXGetProcAddress"); |
| if (!GLX_drv->glXGetProcAddress) |
| GLX_drv->glXGetProcAddress = dlsym(handle, "glXGetProcAddressARB"); |
| if (!GLX_drv->glXGetProcAddress) |
| goto fail; |
| } |
| |
| #define GET_PROC(proc_type, proc_name, check) \ |
| do { \ |
| GLX_drv->proc_name = (proc_type) \ |
| GLX_drv->glXGetProcAddress((const GLubyte *) #proc_name); \ |
| if (check && !GLX_drv->proc_name) goto fail; \ |
| } while (0) |
| |
| /* GLX 1.0 */ |
| GET_PROC(GLXCREATECONTEXTPROC, glXCreateContext, EGL_TRUE); |
| GET_PROC(GLXDESTROYCONTEXTPROC, glXDestroyContext, EGL_TRUE); |
| GET_PROC(GLXMAKECURRENTPROC, glXMakeCurrent, EGL_TRUE); |
| GET_PROC(GLXSWAPBUFFERSPROC, glXSwapBuffers, EGL_TRUE); |
| GET_PROC(GLXCREATEGLXPIXMAPPROC, glXCreateGLXPixmap, EGL_TRUE); |
| GET_PROC(GLXDESTROYGLXPIXMAPPROC, glXDestroyGLXPixmap, EGL_TRUE); |
| GET_PROC(GLXQUERYVERSIONPROC, glXQueryVersion, EGL_TRUE); |
| GET_PROC(GLXGETCONFIGPROC, glXGetConfig, EGL_TRUE); |
| GET_PROC(GLXWAITGLPROC, glXWaitGL, EGL_TRUE); |
| GET_PROC(GLXWAITXPROC, glXWaitX, EGL_TRUE); |
| |
| /* GLX 1.1 */ |
| GET_PROC(GLXQUERYEXTENSIONSSTRINGPROC, glXQueryExtensionsString, EGL_TRUE); |
| GET_PROC(GLXQUERYSERVERSTRINGPROC, glXQueryServerString, EGL_TRUE); |
| GET_PROC(GLXGETCLIENTSTRINGPROC, glXGetClientString, EGL_TRUE); |
| |
| /* GLX 1.3 */ |
| GET_PROC(PFNGLXGETFBCONFIGSPROC, glXGetFBConfigs, EGL_FALSE); |
| GET_PROC(PFNGLXGETFBCONFIGATTRIBPROC, glXGetFBConfigAttrib, EGL_FALSE); |
| GET_PROC(PFNGLXGETVISUALFROMFBCONFIGPROC, glXGetVisualFromFBConfig, EGL_FALSE); |
| GET_PROC(PFNGLXCREATEWINDOWPROC, glXCreateWindow, EGL_FALSE); |
| GET_PROC(PFNGLXDESTROYWINDOWPROC, glXDestroyWindow, EGL_FALSE); |
| GET_PROC(PFNGLXCREATEPIXMAPPROC, glXCreatePixmap, EGL_FALSE); |
| GET_PROC(PFNGLXDESTROYPIXMAPPROC, glXDestroyPixmap, EGL_FALSE); |
| GET_PROC(PFNGLXCREATEPBUFFERPROC, glXCreatePbuffer, EGL_FALSE); |
| GET_PROC(PFNGLXDESTROYPBUFFERPROC, glXDestroyPbuffer, EGL_FALSE); |
| GET_PROC(PFNGLXCREATENEWCONTEXTPROC, glXCreateNewContext, EGL_FALSE); |
| GET_PROC(PFNGLXMAKECONTEXTCURRENTPROC, glXMakeContextCurrent, EGL_FALSE); |
| |
| /* GLX_SGIX_pbuffer */ |
| GET_PROC(PFNGLXCREATEGLXPBUFFERSGIXPROC, |
| glXCreateGLXPbufferSGIX, EGL_FALSE); |
| GET_PROC(PFNGLXDESTROYGLXPBUFFERSGIXPROC, |
| glXDestroyGLXPbufferSGIX, EGL_FALSE); |
| #undef GET_PROC |
| |
| GLX_drv->handle = handle; |
| |
| return EGL_TRUE; |
| |
| fail: |
| if (handle) |
| dlclose(handle); |
| return EGL_FALSE; |
| } |
| |
| |
| /** |
| * This is the main entrypoint into the driver, called by libEGL. |
| * Create a new _EGLDriver object and init its dispatch table. |
| */ |
| _EGLDriver * |
| _eglBuiltInDriverGLX(const char *args) |
| { |
| struct GLX_egl_driver *GLX_drv = CALLOC_STRUCT(GLX_egl_driver); |
| |
| (void) args; |
| |
| if (!GLX_drv) |
| return NULL; |
| |
| if (!GLX_Load(&GLX_drv->Base)) { |
| _eglLog(_EGL_WARNING, "GLX: failed to load GLX"); |
| free(GLX_drv); |
| return NULL; |
| } |
| |
| _eglInitDriverFallbacks(&GLX_drv->Base); |
| GLX_drv->Base.API.Initialize = GLX_eglInitialize; |
| GLX_drv->Base.API.Terminate = GLX_eglTerminate; |
| GLX_drv->Base.API.CreateContext = GLX_eglCreateContext; |
| GLX_drv->Base.API.DestroyContext = GLX_eglDestroyContext; |
| GLX_drv->Base.API.MakeCurrent = GLX_eglMakeCurrent; |
| GLX_drv->Base.API.CreateWindowSurface = GLX_eglCreateWindowSurface; |
| GLX_drv->Base.API.CreatePixmapSurface = GLX_eglCreatePixmapSurface; |
| GLX_drv->Base.API.CreatePbufferSurface = GLX_eglCreatePbufferSurface; |
| GLX_drv->Base.API.DestroySurface = GLX_eglDestroySurface; |
| GLX_drv->Base.API.SwapBuffers = GLX_eglSwapBuffers; |
| GLX_drv->Base.API.GetProcAddress = GLX_eglGetProcAddress; |
| GLX_drv->Base.API.WaitClient = GLX_eglWaitClient; |
| GLX_drv->Base.API.WaitNative = GLX_eglWaitNative; |
| |
| GLX_drv->Base.Name = "GLX"; |
| GLX_drv->Base.Unload = GLX_Unload; |
| |
| return &GLX_drv->Base; |
| } |
