diff options
Diffstat (limited to 'src/egl/drivers/glx/egl_glx.c')
| -rw-r--r-- | src/egl/drivers/glx/egl_glx.c | 1182 |
1 files changed, 0 insertions, 1182 deletions
diff --git a/src/egl/drivers/glx/egl_glx.c b/src/egl/drivers/glx/egl_glx.c deleted file mode 100644 index ea640d2..0000000 --- a/src/egl/drivers/glx/egl_glx.c +++ /dev/null @@ -1,1182 +0,0 @@ -/************************************************************************** - * - * Copyright 2008 VMware, Inc. - * 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@vmware.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); - - free(GLX_dpy->visuals); - free(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); - free(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; -} |