diff options
Diffstat (limited to 'src/egl/drivers')
-rw-r--r-- | src/egl/drivers/Makefile | 25 | ||||
-rw-r--r-- | src/egl/drivers/demo/demo.c | 34 | ||||
-rw-r--r-- | src/egl/drivers/dri/Makefile | 9 | ||||
-rw-r--r-- | src/egl/drivers/dri/egldri.c | 98 | ||||
-rw-r--r-- | src/egl/drivers/dri/egldri.h | 9 | ||||
-rw-r--r-- | src/egl/drivers/glx/Makefile | 74 | ||||
-rw-r--r-- | src/egl/drivers/glx/egl_glx.c | 848 | ||||
-rw-r--r-- | src/egl/drivers/xdri/Makefile | 70 | ||||
-rw-r--r-- | src/egl/drivers/xdri/egl_xdri.c | 1177 |
9 files changed, 2307 insertions, 37 deletions
diff --git a/src/egl/drivers/Makefile b/src/egl/drivers/Makefile new file mode 100644 index 0000000000..f0538f563f --- /dev/null +++ b/src/egl/drivers/Makefile @@ -0,0 +1,25 @@ +# src/egl/drivers/Makefile + +TOP = ../../.. +include $(TOP)/configs/current + +SUBDIRS = $(EGL_DRIVERS_DIRS) + + +default: subdirs + + +subdirs: + @for dir in $(SUBDIRS) ; do \ + if [ -d $$dir ] ; then \ + (cd $$dir ; $(MAKE)) || exit 1 ; \ + fi \ + done + + +clean: + @for dir in $(SUBDIRS) ; do \ + if [ -d $$dir ] ; then \ + (cd $$dir ; $(MAKE) clean) ; \ + fi \ + done diff --git a/src/egl/drivers/demo/demo.c b/src/egl/drivers/demo/demo.c index 45545755c0..1750e976b8 100644 --- a/src/egl/drivers/demo/demo.c +++ b/src/egl/drivers/demo/demo.c @@ -21,7 +21,7 @@ typedef struct demo_driver { _EGLDriver Base; /* base class/object */ - GLuint DemoStuff; + unsigned DemoStuff; } DemoDriver; #define DEMO_DRIVER(D) ((DemoDriver *) (D)) @@ -33,7 +33,7 @@ typedef struct demo_driver typedef struct demo_surface { _EGLSurface Base; /* base class/object */ - GLuint DemoStuff; + unsigned DemoStuff; } DemoSurface; @@ -43,7 +43,7 @@ typedef struct demo_surface typedef struct demo_context { _EGLContext Base; /* base class/object */ - GLuint DemoStuff; + unsigned DemoStuff; } DemoContext; @@ -67,22 +67,22 @@ demoInitialize(_EGLDriver *drv, EGLDisplay dpy, EGLint *major, EGLint *minor) /* Create the display's visual configs - silly example */ for (i = 0; i < 4; i++) { - _EGLConfig config; - _eglInitConfig(&config, i + 1); - _eglSetConfigAttrib(&config, EGL_RED_SIZE, 8); - _eglSetConfigAttrib(&config, EGL_GREEN_SIZE, 8); - _eglSetConfigAttrib(&config, EGL_BLUE_SIZE, 8); - _eglSetConfigAttrib(&config, EGL_ALPHA_SIZE, 8); - _eglSetConfigAttrib(&config, EGL_BUFFER_SIZE, 32); + _EGLConfig *config = calloc(1, sizeof(_EGLConfig)); + _eglInitConfig(config, i + 1); + _eglSetConfigAttrib(config, EGL_RED_SIZE, 8); + _eglSetConfigAttrib(config, EGL_GREEN_SIZE, 8); + _eglSetConfigAttrib(config, EGL_BLUE_SIZE, 8); + _eglSetConfigAttrib(config, EGL_ALPHA_SIZE, 8); + _eglSetConfigAttrib(config, EGL_BUFFER_SIZE, 32); if (i & 1) { - _eglSetConfigAttrib(&config, EGL_DEPTH_SIZE, 32); + _eglSetConfigAttrib(config, EGL_DEPTH_SIZE, 32); } if (i & 2) { - _eglSetConfigAttrib(&config, EGL_STENCIL_SIZE, 8); + _eglSetConfigAttrib(config, EGL_STENCIL_SIZE, 8); } - _eglSetConfigAttrib(&config, EGL_SURFACE_TYPE, + _eglSetConfigAttrib(config, EGL_SURFACE_TYPE, (EGL_WINDOW_BIT | EGL_PIXMAP_BIT | EGL_PBUFFER_BIT)); - _eglAddConfig(disp, &config); + _eglAddConfig(disp, config); } drv->Initialized = EGL_TRUE; @@ -152,9 +152,9 @@ demoCreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, EGLContext /* generate handle and insert into hash table */ _eglSaveContext(&c->Base); - assert(c->Base.Handle); + assert(_eglGetContextHandle(&c->Base)); - return c->Base.Handle; + return _eglGetContextHandle(&c->Base); } @@ -286,7 +286,7 @@ demoMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw, EGLSurface rea * plug in API functions. */ _EGLDriver * -_eglMain(_EGLDisplay *dpy) +_eglMain(_EGLDisplay *dpy, const char *args) { DemoDriver *demo; diff --git a/src/egl/drivers/dri/Makefile b/src/egl/drivers/dri/Makefile index af0c40fe2b..d7eba653b2 100644 --- a/src/egl/drivers/dri/Makefile +++ b/src/egl/drivers/dri/Makefile @@ -8,7 +8,7 @@ include $(TOP)/configs/current INCLUDE_DIRS = \ -I. \ -I/usr/include \ - -I/usr/include/drm \ + $(shell pkg-config --cflags-only-I libdrm) \ -I$(TOP)/include \ -I$(TOP)/include/GL/internal \ -I$(TOP)/src/mesa \ @@ -29,6 +29,8 @@ SOURCES = egldri.c OBJECTS = $(SOURCES:.c=.o) +DRM_LIB = `pkg-config --libs libdrm` + .c.o: $(CC) -c $(INCLUDE_DIRS) $(CFLAGS) $< -o $@ @@ -44,7 +46,7 @@ library: $(TOP)/$(LIB_DIR)/libEGLdri.so $(TOP)/$(LIB_DIR)/libEGLdri.so: $(OBJECTS) $(MKLIB) -o EGLdri -linker '$(CC)' -ldflags '$(LDFLAGS)' \ -major 1 -minor 0 \ - -install $(TOP)/$(LIB_DIR) -ldl $(OBJECTS) + -install $(TOP)/$(LIB_DIR) -ldl $(OBJECTS) $(LIBS) clean: @@ -53,9 +55,10 @@ clean: depend: $(SOURCES) $(HEADERS) @ echo "running $(MKDEP)" + @ rm -f depend @ touch depend $(MKDEP) $(MKDEP_OPTIONS) $(DEFINES) $(INCLUDE_DIRS) \ - $(SOURCES) $(HEADERS) > /dev/null + $(SOURCES) $(HEADERS) >/dev/null 2>/dev/null include depend # DO NOT DELETE diff --git a/src/egl/drivers/dri/egldri.c b/src/egl/drivers/dri/egldri.c index cab0be2bd1..57661cc3ab 100644 --- a/src/egl/drivers/dri/egldri.c +++ b/src/egl/drivers/dri/egldri.c @@ -1,5 +1,6 @@ /** - * Generic EGL driver for DRI. + * Generic EGL driver for DRI. This is basically an "adaptor" driver + * that allows libEGL to load/use regular DRI drivers. * * This file contains all the code needed to interface DRI-based drivers * with libEGL. @@ -23,6 +24,7 @@ #include "egldisplay.h" #include "eglcontext.h" #include "eglconfig.h" +#include "eglconfigutil.h" #include "eglsurface.h" #include "eglscreen.h" #include "eglglobals.h" @@ -32,18 +34,72 @@ #include "egldri.h" const char *sysfs = "/sys/class"; -#define None 0 + static const int empty_attribute_list[1] = { None }; + +/** + * Given a card number, return the name of the DRI driver to use. + * This generally means reading the contents of + * /sys/class/drm/cardX/dri_library_name, where X is the card number + */ +static EGLBoolean +driver_name_from_card_number(int card, char *driverName, int maxDriverName) +{ + char path[2000]; + FILE *f; + int length; + + snprintf(path, sizeof(path), "%s/drm/card%d/dri_library_name", sysfs, card); + + f = fopen(path, "r"); + if (!f) + return EGL_FALSE; + + fgets(driverName, maxDriverName, f); + fclose(f); + + if ((length = strlen(driverName)) > 1) { + /* remove the trailing newline from sysfs */ + driverName[length - 1] = '\0'; + strncat(driverName, "_dri", maxDriverName); + return EGL_TRUE; + } + else { + return EGL_FALSE; + } +} + + + /** * The bootstrap function. * Return a new driDriver object and plug in API functions. * This function, in turn, loads a specific DRI driver (ex: r200_dri.so). */ _EGLDriver * -_eglMain(_EGLDisplay *dpy) +_eglMain(_EGLDisplay *dpy, const char *args) { +#if 1 + const int card = args ? atoi(args) : 0; + _EGLDriver *driver = NULL; + char driverName[1000]; + + if (!driver_name_from_card_number(card, driverName, sizeof(driverName))) { + _eglLog(_EGL_WARNING, + "Unable to determine driver name for card %d\n", card); + return NULL; + } + + _eglLog(_EGL_DEBUG, "Driver name: %s\n", driverName); + + driver = _eglOpenDriver(dpy, driverName, args); + + return driver; + +#else + int length; char path[NAME_MAX]; struct dirent *dirent; @@ -58,14 +114,19 @@ _eglMain(_EGLDisplay *dpy) _eglLog(_EGL_WARNING, "%s DRM devices not found.", path); return EGL_FALSE; } + + /* loop over dir entries looking for cardX where "X" is in the + * dpy->DriverName ":X" string. + */ while ((dirent = readdir(dir))) { if (strncmp(&dirent->d_name[0], "card", 4) != 0) continue; - if (strcmp(&dirent->d_name[4], &dpy->Name[1]) != 0) + if (strcmp(&dirent->d_name[4], &driverName[1]) != 0) continue; - snprintf(path, sizeof(path), "%s/drm/card%s/dri_library_name", sysfs, &dpy->Name[1]); + snprintf(path, sizeof(path), "%s/drm/card%s/dri_library_name", + sysfs, &driverName[1]); _eglLog(_EGL_INFO, "Opening %s", path); #if 1 file = fopen(path, "r"); @@ -89,6 +150,7 @@ _eglMain(_EGLDisplay *dpy) closedir(dir); return driver; +#endif } @@ -141,7 +203,7 @@ _eglDRICreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, /* generate handle and insert into hash table */ _eglSaveContext(&c->Base); - return c->Base.Handle; + return _eglGetContextHandle(&c->Base); } @@ -152,13 +214,15 @@ _eglDRIMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw, driDisplay *disp = Lookup_driDisplay(dpy); driContext *ctx = Lookup_driContext(context); EGLBoolean b; + __DRIid drawBuf = (__DRIid) draw; + __DRIid readBuf = (__DRIid) read; b = _eglMakeCurrent(drv, dpy, draw, read, context); if (!b) return EGL_FALSE; if (ctx) { - ctx->driContext.bindContext(disp, 0, read, draw, &ctx->driContext); + ctx->driContext.bindContext(disp, 0, drawBuf, readBuf, &ctx->driContext); } else { /* what's this??? */ @@ -190,7 +254,7 @@ _eglDRICreatePbufferSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, #if 0 GLcontext *ctx = NULL; /* this _should_ be OK */ #endif - GLvisual visMode; + __GLcontextModes visMode; _EGLConfig *conf = _eglLookupConfig(drv, dpy, config); assert(conf); /* bad config should be caught earlier */ _eglConfigToContextModesRec(conf, &visMode); @@ -267,7 +331,8 @@ _eglDRICreateScreenSurfaceMESA(_EGLDriver *drv, EGLDisplay dpy, EGLConfig cfg, _EGLConfig *config = _eglLookupConfig(drv, dpy, cfg); driDisplay *disp = Lookup_driDisplay(dpy); driSurface *surface; - GLvisual visMode; + __GLcontextModes visMode; + __DRIid drawBuf; surface = (driSurface *) calloc(1, sizeof(*surface)); if (!surface) { @@ -292,8 +357,10 @@ _eglDRICreateScreenSurfaceMESA(_EGLDriver *drv, EGLDisplay dpy, EGLConfig cfg, /* convert EGLConfig to GLvisual */ _eglConfigToContextModesRec(config, &visMode); + drawBuf = (__DRIid) _eglGetSurfaceHandle(&surface->Base); + /* Create a new DRI drawable */ - if (!disp->driScreen.createNewDrawable(disp, &visMode, surface->Base.Handle, + if (!disp->driScreen.createNewDrawable(disp, &visMode, drawBuf, &surface->drawable, GLX_WINDOW_BIT, empty_attribute_list)) { _eglRemoveSurface(&surface->Base); @@ -715,7 +782,7 @@ __eglGetDrawableInfo(__DRInativeDisplay * ndpy, int screen, __DRIid drawable, { __DRIscreen *pDRIScreen; __DRIscreenPrivate *psp; - driSurface *surf = Lookup_driSurface(drawable); + driSurface *surf = Lookup_driSurface((EGLSurface) drawable); pDRIScreen = __eglFindDRIScreen(ndpy, screen); @@ -1019,8 +1086,10 @@ _eglDRICreateDisplay(driDisplay *dpy, __DRIframebuffer *framebuffer) api_ver, & interface_methods, NULL); - if (!dpy->driScreen.private) + if (!dpy->driScreen.private) { + _eglLog(_EGL_WARNING, "egldri.c: DRI create new screen failed"); return EGL_FALSE; + } DRM_UNLOCK( dpy->drmFD, dpy->pSAREA, dpy->serverContext ); @@ -1080,6 +1149,7 @@ _eglDRIInitialize(_EGLDriver *drv, EGLDisplay dpy, { _EGLDisplay *disp = _eglLookupDisplay(dpy); driDisplay *display; + const char *driverName = (const char *) disp->NativeDisplay; assert(disp); @@ -1088,13 +1158,13 @@ _eglDRIInitialize(_EGLDriver *drv, EGLDisplay dpy, */ display = calloc(1, sizeof(*display)); display->Base = *disp; - _eglHashInsert(_eglGlobal.Displays, disp->Handle, display); + _eglSaveDisplay(&display->Base); free(disp); *major = 1; *minor = 0; - sscanf(&disp->Name[1], "%d", &display->minor); + sscanf(driverName + 1, "%d", &display->minor); drv->Initialized = EGL_TRUE; return EGL_TRUE; diff --git a/src/egl/drivers/dri/egldri.h b/src/egl/drivers/dri/egldri.h index 34b12d64fc..54a9a4ea26 100644 --- a/src/egl/drivers/dri/egldri.h +++ b/src/egl/drivers/dri/egldri.h @@ -1,11 +1,14 @@ #ifndef EGLDRI_INCLUDED #define EGLDRI_INCLUDED +#include <stdlib.h> +#include <string.h> +#include <stdint.h> #include "egldisplay.h" #include "eglscreen.h" #include "eglsurface.h" #include "eglcontext.h" -#include "mtypes.h" + #include "dri_util.h" #include "drm_sarea.h" @@ -14,7 +17,7 @@ */ typedef struct dri_display { - _EGLDisplay Base; /* base class/object */ + _EGLDisplay Base; /**< base class */ void *pFB; int drmFD; /**< \brief DRM device file descriptor */ int minor; @@ -32,7 +35,7 @@ typedef struct dri_display unsigned long FBStart; /**< \brief physical address of the framebuffer */ void *driverClientMsg; int driverClientMsgSize; - int chipset; + unsigned chipset; void *driverPrivate; drm_magic_t magic; diff --git a/src/egl/drivers/glx/Makefile b/src/egl/drivers/glx/Makefile new file mode 100644 index 0000000000..3cd5276513 --- /dev/null +++ b/src/egl/drivers/glx/Makefile @@ -0,0 +1,74 @@ +# src/egl/drivers/glx/Makefile + +# Build XEGL DRI driver loader library: egl_glx.so + + +TOP = ../../../.. +include $(TOP)/configs/current + + +EXTRA_DEFINES = -DDEFAULT_DRIVER_DIR=\"$(DRI_DRIVER_SEARCH_DIR)\" + +DRIVER_NAME = egl_glx.so + + +INCLUDE_DIRS = \ + -I. \ + -I/usr/include \ + $(shell pkg-config --cflags-only-I libdrm) \ + -I$(TOP)/include \ + -I$(TOP)/include/GL/internal \ + -I$(TOP)/src/mesa/glapi \ + -I$(TOP)/src/mesa/drivers/dri/common \ + -I$(TOP)/src/mesa/main \ + -I$(TOP)/src/mesa \ + -I$(TOP)/src/egl/main \ + -I$(TOP)/src/glx/x11 + +SOURCES = egl_glx.c + +OBJECTS = $(SOURCES:.c=.o) + +DRM_LIB = `pkg-config --libs libdrm` + +MISC_LIBS = -ldl -lXext -lGL + + +.c.o: + $(CC) -c $(INCLUDE_DIRS) $(CFLAGS) $(EXTRA_DEFINES) $< -o $@ + + +.PHONY: library + + +default: depend library Makefile + + +library: $(TOP)/$(LIB_DIR)/$(DRIVER_NAME) + + +# Make the egl_glx.so library +$(TOP)/$(LIB_DIR)/$(DRIVER_NAME): $(OBJECTS) + $(TOP)/bin/mklib -o $(DRIVER_NAME) \ + -noprefix \ + -major 1 -minor 0 \ + -L$(TOP)/$(LIB_DIR) \ + -install $(TOP)/$(LIB_DIR) \ + $(OBJECTS) $(DRM_LIB) $(MISC_LIBS) + + +clean: + rm -f *.o + rm -f *.so + rm -f depend depend.bak + + +depend: $(SOURCES) $(HEADERS) + @ echo "running $(MKDEP)" + @ rm -f depend + @ touch depend + $(MKDEP) $(MKDEP_OPTIONS) $(DEFINES) $(INCLUDE_DIRS) \ + $(SOURCES) $(HEADERS) >/dev/null 2>/dev/null + +include depend +# DO NOT DELETE diff --git a/src/egl/drivers/glx/egl_glx.c b/src/egl/drivers/glx/egl_glx.c new file mode 100644 index 0000000000..8ba70ba7a6 --- /dev/null +++ b/src/egl/drivers/glx/egl_glx.c @@ -0,0 +1,848 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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> + */ + +/* + * TODO: + * + * test eglBind/ReleaseTexImage + */ + + +#include <assert.h> +#include <stdio.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include "dlfcn.h" +#include <X11/Xlib.h> +#include <GL/gl.h> +#include "glxclient.h" + +#define _EGL_PLATFORM_X + +#include "eglconfig.h" +#include "eglcontext.h" +#include "egldisplay.h" +#include "egldriver.h" +#include "eglglobals.h" +#include "eglhash.h" +#include "egllog.h" +#include "eglsurface.h" + +#include <GL/gl.h> + +#define CALLOC_STRUCT(T) (struct T *) calloc(1, sizeof(struct T)) + +static const EGLint all_apis = (EGL_OPENGL_ES_BIT + | EGL_OPENGL_ES2_BIT + | EGL_OPENVG_BIT + /* | EGL_OPENGL_BIT */); /* can't do */ + +struct visual_attribs +{ + /* X visual attribs */ + int id; + int klass; + int depth; + int redMask, greenMask, blueMask; + int colormapSize; + int bitsPerRGB; + + /* GL visual attribs */ + int supportsGL; + int transparentType; + int transparentRedValue; + int transparentGreenValue; + int transparentBlueValue; + int transparentAlphaValue; + int transparentIndexValue; + int bufferSize; + int level; + int render_type; + int doubleBuffer; + int stereo; + int auxBuffers; + int redSize, greenSize, blueSize, alphaSize; + int depthSize; + int stencilSize; + int accumRedSize, accumGreenSize, accumBlueSize, accumAlphaSize; + int numSamples, numMultisample; + int visualCaveat; +}; + +/** subclass of _EGLDriver */ +struct GLX_egl_driver +{ + _EGLDriver Base; /**< base class */ + + XVisualInfo *visuals; + GLXFBConfig *fbconfigs; + + int glx_maj, glx_min; +}; + + +/** subclass of _EGLContext */ +struct GLX_egl_context +{ + _EGLContext Base; /**< base class */ + + GLXContext context; +}; + + +/** subclass of _EGLSurface */ +struct GLX_egl_surface +{ + _EGLSurface Base; /**< base class */ + + GLXDrawable drawable; +}; + + +/** subclass of _EGLConfig */ +struct GLX_egl_config +{ + _EGLConfig Base; /**< base class */ +}; + +/** cast wrapper */ +static struct GLX_egl_driver * +GLX_egl_driver(_EGLDriver *drv) +{ + return (struct GLX_egl_driver *) drv; +} + +static struct GLX_egl_context * +GLX_egl_context(_EGLContext *ctx) +{ + return (struct GLX_egl_context *) ctx; +} + +static struct GLX_egl_surface * +GLX_egl_surface(_EGLSurface *surf) +{ + return (struct GLX_egl_surface *) surf; +} + +static GLboolean +get_visual_attribs(Display *dpy, XVisualInfo *vInfo, + struct visual_attribs *attribs) +{ + const char *ext = glXQueryExtensionsString(dpy, vInfo->screen); + int rgba; + + memset(attribs, 0, sizeof(struct visual_attribs)); + + attribs->id = vInfo->visualid; +#if defined(__cplusplus) || defined(c_plusplus) + attribs->klass = vInfo->c_class; +#else + attribs->klass = vInfo->class; +#endif + attribs->depth = vInfo->depth; + attribs->redMask = vInfo->red_mask; + attribs->greenMask = vInfo->green_mask; + attribs->blueMask = vInfo->blue_mask; + attribs->colormapSize = vInfo->colormap_size; + attribs->bitsPerRGB = vInfo->bits_per_rgb; + + if (glXGetConfig(dpy, vInfo, GLX_USE_GL, &attribs->supportsGL) != 0 || + !attribs->supportsGL) + return GL_FALSE; + glXGetConfig(dpy, vInfo, GLX_BUFFER_SIZE, &attribs->bufferSize); + glXGetConfig(dpy, vInfo, GLX_LEVEL, &attribs->level); + glXGetConfig(dpy, vInfo, GLX_RGBA, &rgba); + if (!rgba) + return GL_FALSE; + attribs->render_type = GLX_RGBA_BIT; + + glXGetConfig(dpy, vInfo, GLX_DOUBLEBUFFER, &attribs->doubleBuffer); + if (!attribs->doubleBuffer) + return GL_FALSE; + + glXGetConfig(dpy, vInfo, GLX_STEREO, &attribs->stereo); + glXGetConfig(dpy, vInfo, GLX_AUX_BUFFERS, &attribs->auxBuffers); + glXGetConfig(dpy, vInfo, GLX_RED_SIZE, &attribs->redSize); + glXGetConfig(dpy, vInfo, GLX_GREEN_SIZE, &attribs->greenSize); + glXGetConfig(dpy, vInfo, GLX_BLUE_SIZE, &attribs->blueSize); + glXGetConfig(dpy, vInfo, GLX_ALPHA_SIZE, &attribs->alphaSize); + glXGetConfig(dpy, vInfo, GLX_DEPTH_SIZE, &attribs->depthSize); + glXGetConfig(dpy, vInfo, GLX_STENCIL_SIZE, &attribs->stencilSize); + glXGetConfig(dpy, vInfo, GLX_ACCUM_RED_SIZE, &attribs->accumRedSize); + glXGetConfig(dpy, vInfo, GLX_ACCUM_GREEN_SIZE, &attribs->accumGreenSize); + glXGetConfig(dpy, vInfo, GLX_ACCUM_BLUE_SIZE, &attribs->accumBlueSize); + glXGetConfig(dpy, vInfo, GLX_ACCUM_ALPHA_SIZE, &attribs->accumAlphaSize); + + /* get transparent pixel stuff */ + glXGetConfig(dpy, vInfo,GLX_TRANSPARENT_TYPE, &attribs->transparentType); + if (attribs->transparentType == GLX_TRANSPARENT_RGB) { + glXGetConfig(dpy, vInfo, GLX_TRANSPARENT_RED_VALUE, &attribs->transparentRedValue); + glXGetConfig(dpy, vInfo, GLX_TRANSPARENT_GREEN_VALUE, &attribs->transparentGreenValue); + glXGetConfig(dpy, vInfo, GLX_TRANSPARENT_BLUE_VALUE, &attribs->transparentBlueValue); + glXGetConfig(dpy, vInfo, GLX_TRANSPARENT_ALPHA_VALUE, &attribs->transparentAlphaValue); + } + else if (attribs->transparentType == GLX_TRANSPARENT_INDEX) { + glXGetConfig(dpy, vInfo, GLX_TRANSPARENT_INDEX_VALUE, &attribs->transparentIndexValue); + } + + /* multisample attribs */ +#ifdef GLX_ARB_multisample + if (ext && strstr(ext, "GLX_ARB_multisample")) { + glXGetConfig(dpy, vInfo, GLX_SAMPLE_BUFFERS_ARB, &attribs->numMultisample); + glXGetConfig(dpy, vInfo, GLX_SAMPLES_ARB, &attribs->numSamples); + } +#endif + else { + attribs->numSamples = 0; + attribs->numMultisample = 0; + } + +#if defined(GLX_EXT_visual_rating) + if (ext && strstr(ext, "GLX_EXT_visual_rating")) { + glXGetConfig(dpy, vInfo, GLX_VISUAL_CAVEAT_EXT, &attribs->visualCaveat); + } + else { + attribs->visualCaveat = GLX_NONE_EXT; + } +#else + attribs->visualCaveat = 0; +#endif + + return GL_TRUE; +} + +#ifdef GLX_VERSION_1_3 + +static int +glx_token_to_visual_class(int visual_type) +{ + switch (visual_type) { + case GLX_TRUE_COLOR: + return TrueColor; + case GLX_DIRECT_COLOR: + return DirectColor; + case GLX_PSEUDO_COLOR: + return PseudoColor; + case GLX_STATIC_COLOR: + return StaticColor; + case GLX_GRAY_SCALE: + return GrayScale; + case GLX_STATIC_GRAY: + return StaticGray; + case GLX_NONE: + default: + return None; + } +} +static GLboolean +get_fbconfig_attribs(Display *dpy, GLXFBConfig fbconfig, + struct visual_attribs *attribs) +{ + int visual_type; + + memset(attribs, 0, sizeof(struct visual_attribs)); + + /* We don't use the GLX_FBCONFIG_ID here */ + glXGetFBConfigAttrib(dpy, fbconfig, GLX_VISUAL_ID, &attribs->id); + +#if 0 + attribs->depth = vInfo->depth; + attribs->redMask = vInfo->red_mask; + attribs->greenMask = vInfo->green_mask; + attribs->blueMask = vInfo->blue_mask; + attribs->colormapSize = vInfo->colormap_size; + attribs->bitsPerRGB = vInfo->bits_per_rgb; +#endif + + glXGetFBConfigAttrib(dpy, fbconfig, GLX_X_VISUAL_TYPE, &visual_type); + attribs->klass = glx_token_to_visual_class(visual_type); + + glXGetFBConfigAttrib(dpy, fbconfig, GLX_BUFFER_SIZE, &attribs->bufferSize); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_LEVEL, &attribs->level); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_RENDER_TYPE, &attribs->render_type); + if (!(attribs->render_type & GLX_RGBA_BIT)) + return GL_FALSE; + + glXGetFBConfigAttrib(dpy, fbconfig, GLX_DOUBLEBUFFER, &attribs->doubleBuffer); + if (!attribs->doubleBuffer) + return GL_FALSE; + + glXGetFBConfigAttrib(dpy, fbconfig, GLX_STEREO, &attribs->stereo); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_AUX_BUFFERS, &attribs->auxBuffers); + + glXGetFBConfigAttrib(dpy, fbconfig, GLX_RED_SIZE, &attribs->redSize); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_GREEN_SIZE, &attribs->greenSize); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_BLUE_SIZE, &attribs->blueSize); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_ALPHA_SIZE, &attribs->alphaSize); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_DEPTH_SIZE, &attribs->depthSize); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_STENCIL_SIZE, &attribs->stencilSize); + + glXGetFBConfigAttrib(dpy, fbconfig, GLX_ACCUM_RED_SIZE, &attribs->accumRedSize); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_ACCUM_GREEN_SIZE, &attribs->accumGreenSize); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_ACCUM_BLUE_SIZE, &attribs->accumBlueSize); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_ACCUM_ALPHA_SIZE, &attribs->accumAlphaSize); + + /* get transparent pixel stuff */ + glXGetFBConfigAttrib(dpy, fbconfig,GLX_TRANSPARENT_TYPE, &attribs->transparentType); + if (attribs->transparentType == GLX_TRANSPARENT_RGB) { + glXGetFBConfigAttrib(dpy, fbconfig, GLX_TRANSPARENT_RED_VALUE, &attribs->transparentRedValue); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_TRANSPARENT_GREEN_VALUE, &attribs->transparentGreenValue); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_TRANSPARENT_BLUE_VALUE, &attribs->transparentBlueValue); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_TRANSPARENT_ALPHA_VALUE, &attribs->transparentAlphaValue); + } + else if (attribs->transparentType == GLX_TRANSPARENT_INDEX) { + glXGetFBConfigAttrib(dpy, fbconfig, GLX_TRANSPARENT_INDEX_VALUE, &attribs->transparentIndexValue); + } + + glXGetFBConfigAttrib(dpy, fbconfig, GLX_SAMPLE_BUFFERS, &attribs->numMultisample); + glXGetFBConfigAttrib(dpy, fbconfig, GLX_SAMPLES, &attribs->numSamples); + + glXGetFBConfigAttrib(dpy, fbconfig, GLX_CONFIG_CAVEAT, &attribs->visualCaveat); + + return GL_TRUE; +} + +#endif + +static EGLBoolean +create_configs(_EGLDisplay *disp, struct GLX_egl_driver *GLX_drv) +{ + XVisualInfo theTemplate; + int numVisuals; + long mask; + int i; + struct visual_attribs attribs; + + GLX_drv->fbconfigs = NULL; + +#ifdef GLX_VERSION_1_3 + /* get list of all fbconfigs on this screen */ + GLX_drv->fbconfigs = glXGetFBConfigs(disp->Xdpy, DefaultScreen(disp->Xdpy), &numVisuals); + + if (numVisuals == 0) { + GLX_drv->fbconfigs = NULL; + goto xvisual; + } + + for (i = 0; i < numVisuals; i++) { + struct GLX_egl_config *config; + + if (!get_fbconfig_attribs(disp->Xdpy, GLX_drv->fbconfigs[i], &attribs)) + continue; + + config = CALLOC_STRUCT(GLX_egl_config); + + _eglInitConfig(&config->Base, i+1); + SET_CONFIG_ATTRIB(&config->Base, EGL_NATIVE_VISUAL_ID, attribs.id); + SET_CONFIG_ATTRIB(&config->Base, EGL_BUFFER_SIZE, attribs.bufferSize); + SET_CONFIG_ATTRIB(&config->Base, EGL_RED_SIZE, attribs.redSize); + SET_CONFIG_ATTRIB(&config->Base, EGL_GREEN_SIZE, attribs.greenSize); + SET_CONFIG_ATTRIB(&config->Base, EGL_BLUE_SIZE, attribs.blueSize); + SET_CONFIG_ATTRIB(&config->Base, EGL_ALPHA_SIZE, attribs.alphaSize); + SET_CONFIG_ATTRIB(&config->Base, EGL_DEPTH_SIZE, attribs.depthSize); + SET_CONFIG_ATTRIB(&config->Base, EGL_STENCIL_SIZE, attribs.stencilSize); + SET_CONFIG_ATTRIB(&config->Base, EGL_SAMPLES, attribs.numSamples); + SET_CONFIG_ATTRIB(&config->Base, EGL_SAMPLE_BUFFERS, attribs.numMultisample); + SET_CONFIG_ATTRIB(&config->Base, EGL_CONFORMANT, all_apis); + SET_CONFIG_ATTRIB(&config->Base, EGL_RENDERABLE_TYPE, all_apis); + SET_CONFIG_ATTRIB(&config->Base, EGL_SURFACE_TYPE, + (EGL_WINDOW_BIT | EGL_PBUFFER_BIT | EGL_PIXMAP_BIT)); + + /* XXX possibly other things to init... */ + + _eglAddConfig(disp, &config->Base); + } + + goto end; +#endif + +xvisual: + /* get list of all visuals on this screen */ + theTemplate.screen = DefaultScreen(disp->Xdpy); + mask = VisualScreenMask; + GLX_drv->visuals = XGetVisualInfo(disp->Xdpy, mask, &theTemplate, &numVisuals); + + for (i = 0; i < numVisuals; i++) { + struct GLX_egl_config *config; + + if (!get_visual_attribs(disp->Xdpy, &GLX_drv->visuals[i], &attribs)) + continue; + + config = CALLOC_STRUCT(GLX_egl_config); + + _eglInitConfig(&config->Base, i+1); + SET_CONFIG_ATTRIB(&config->Base, EGL_NATIVE_VISUAL_ID, attribs.id); + SET_CONFIG_ATTRIB(&config->Base, EGL_BUFFER_SIZE, attribs.bufferSize); + SET_CONFIG_ATTRIB(&config->Base, EGL_RED_SIZE, attribs.redSize); + SET_CONFIG_ATTRIB(&config->Base, EGL_GREEN_SIZE, attribs.greenSize); + SET_CONFIG_ATTRIB(&config->Base, EGL_BLUE_SIZE, attribs.blueSize); + SET_CONFIG_ATTRIB(&config->Base, EGL_ALPHA_SIZE, attribs.alphaSize); + SET_CONFIG_ATTRIB(&config->Base, EGL_DEPTH_SIZE, attribs.depthSize); + SET_CONFIG_ATTRIB(&config->Base, EGL_STENCIL_SIZE, attribs.stencilSize); + SET_CONFIG_ATTRIB(&config->Base, EGL_SAMPLES, attribs.numSamples); + SET_CONFIG_ATTRIB(&config->Base, EGL_SAMPLE_BUFFERS, attribs.numMultisample); + SET_CONFIG_ATTRIB(&config->Base, EGL_CONFORMANT, all_apis); + SET_CONFIG_ATTRIB(&config->Base, EGL_RENDERABLE_TYPE, all_apis); + SET_CONFIG_ATTRIB(&config->Base, EGL_SURFACE_TYPE, + (EGL_WINDOW_BIT /*| EGL_PBUFFER_BIT | EGL_PIXMAP_BIT*/)); + + /* XXX possibly other things to init... */ + + _eglAddConfig(disp, &config->Base); + } + +end: + return EGL_TRUE; +} + +/** + * Called via eglInitialize(), GLX_drv->API.Initialize(). + */ +static EGLBoolean +GLX_eglInitialize(_EGLDriver *drv, EGLDisplay dpy, + EGLint *minor, EGLint *major) +{ + struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv); + _EGLDisplay *disp = _eglLookupDisplay(dpy); + + _eglLog(_EGL_DEBUG, "GLX: eglInitialize"); + + if (!disp->Xdpy) { + disp->Xdpy = XOpenDisplay(NULL); + if (!disp->Xdpy) { + _eglLog(_EGL_WARNING, "GLX: XOpenDisplay failed"); + return EGL_FALSE; + } + } + + glXQueryVersion(disp->Xdpy, &GLX_drv->glx_maj, &GLX_drv->glx_min); + + GLX_drv->Base.Initialized = EGL_TRUE; + + GLX_drv->Base.Name = "GLX"; + + /* we're supporting EGL 1.4 */ + *minor = 1; + *major = 4; + + create_configs(disp, GLX_drv); + + return EGL_TRUE; +} + +/* + * Do some clean-up that normally occurs in XCloseDisplay(). + * We do this here because we're about to unload a dynamic library + * that has added some per-display extension data and callbacks. + * If we don't do this here we'll crash in XCloseDisplay() because it'll + * try to call functions that went away when the driver library was unloaded. + */ +static void +FreeDisplayExt(Display *dpy) +{ + _XExtension *ext, *next; + + for (ext = dpy->ext_procs; ext; ext = next) { + next = ext->next; + if (ext->close_display) { + ext->close_display(dpy, &ext->codes); + ext->close_display = NULL; + } + if (ext->name) + Xfree(ext->name); + Xfree(ext); + } + dpy->ext_procs = NULL; + + _XFreeExtData (dpy->ext_data); + dpy->ext_data = NULL; +} + +/** + * Called via eglTerminate(), drv->API.Terminate(). + */ +static EGLBoolean +GLX_eglTerminate(_EGLDriver *drv, EGLDisplay dpy) +{ + _EGLDisplay *disp = _eglLookupDisplay(dpy); + + _eglLog(_EGL_DEBUG, "GLX: eglTerminate"); + + FreeDisplayExt(disp->Xdpy); + + return EGL_TRUE; +} + + +/** + * Called via eglCreateContext(), drv->API.CreateContext(). + */ +static EGLContext +GLX_eglCreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, + EGLContext share_list, const EGLint *attrib_list) +{ + _EGLDisplay *disp = _eglLookupDisplay(dpy); + struct GLX_egl_context *GLX_ctx = CALLOC_STRUCT(GLX_egl_context); + struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv); + struct GLX_egl_context *GLX_ctx_shared = NULL; + _EGLConfig *conf; + + if (!GLX_ctx) + return EGL_NO_CONTEXT; + + if (!_eglInitContext(drv, dpy, &GLX_ctx->Base, config, attrib_list)) { + free(GLX_ctx); + return EGL_NO_CONTEXT; + } + + if (share_list != EGL_NO_CONTEXT) { + _EGLContext *shareCtx = _eglLookupContext(share_list); + if (!shareCtx) { + _eglError(EGL_BAD_CONTEXT, "eglCreateContext(share_list)"); + return EGL_FALSE; + } + GLX_ctx_shared = GLX_egl_context(shareCtx); + } + + conf = _eglLookupConfig(drv, dpy, config); + assert(conf); + +#ifdef GLX_VERSION_1_3 + if (GLX_drv->fbconfigs) + GLX_ctx->context = glXCreateNewContext(disp->Xdpy, GLX_drv->fbconfigs[(int)config-1], GLX_RGBA_TYPE, GLX_ctx_shared ? GLX_ctx_shared->context : NULL, GL_TRUE); + else +#endif + GLX_ctx->context = glXCreateContext(disp->Xdpy, &GLX_drv->visuals[(int)config-1], GLX_ctx_shared ? GLX_ctx_shared->context : NULL, GL_TRUE); + if (!GLX_ctx->context) + return EGL_FALSE; + +#if 1 + /* (maybe?) need to have a direct rendering context */ + if (!glXIsDirect(disp->Xdpy, GLX_ctx->context)) + return EGL_FALSE; +#endif + + return _eglGetContextHandle(&GLX_ctx->Base); +} + + +/** + * Called via eglMakeCurrent(), drv->API.MakeCurrent(). + */ +static EGLBoolean +GLX_eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface d, + EGLSurface r, EGLContext context) +{ + _EGLDisplay *disp = _eglLookupDisplay(dpy); + _EGLContext *ctx = _eglLookupContext(context); + _EGLSurface *dsurf = _eglLookupSurface(d); + _EGLSurface *rsurf = _eglLookupSurface(r); + 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); + + if (!_eglMakeCurrent(drv, dpy, d, r, context)) + return EGL_FALSE; + +#ifdef GLX_VERSION_1_3 + if (!glXMakeContextCurrent(disp->Xdpy, GLX_dsurf ? GLX_dsurf->drawable : 0, GLX_rsurf ? GLX_rsurf->drawable : 0, GLX_ctx ? GLX_ctx->context : NULL)) +#endif + if (!glXMakeCurrent(disp->Xdpy, GLX_dsurf ? GLX_dsurf->drawable : 0, GLX_ctx ? GLX_ctx->context : NULL)) + return EGL_FALSE; + + return EGL_TRUE; +} + +/** Get size of given window */ +static Status +get_drawable_size(Display *dpy, Drawable d, uint *width, uint *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 dpy, EGLConfig config, + NativeWindowType window, const EGLint *attrib_list) +{ + _EGLDisplay *disp = _eglLookupDisplay(dpy); + struct GLX_egl_surface *GLX_surf; + uint width, height; + + GLX_surf = CALLOC_STRUCT(GLX_egl_surface); + if (!GLX_surf) + return EGL_NO_SURFACE; + + if (!_eglInitSurface(drv, dpy, &GLX_surf->Base, EGL_WINDOW_BIT, + config, attrib_list)) { + free(GLX_surf); + return EGL_FALSE; + } + + _eglSaveSurface(&GLX_surf->Base); + + GLX_surf->drawable = window; + get_drawable_size(disp->Xdpy, window, &width, &height); + GLX_surf->Base.Width = width; + GLX_surf->Base.Height = height; + + return _eglGetSurfaceHandle(&GLX_surf->Base); +} + +#ifdef GLX_VERSION_1_3 +static EGLSurface +GLX_eglCreatePixmapSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, + NativePixmapType pixmap, const EGLint *attrib_list) +{ + struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv); + _EGLDisplay *disp = _eglLookupDisplay(dpy); + struct GLX_egl_surface *GLX_surf; + int i; + + GLX_surf = CALLOC_STRUCT(GLX_egl_surface); + if (!GLX_surf) + return EGL_NO_SURFACE; + + if (!_eglInitSurface(drv, dpy, &GLX_surf->Base, EGL_PIXMAP_BIT, + config, attrib_list)) { + free(GLX_surf); + return EGL_FALSE; + } + + _eglSaveSurface(&GLX_surf->Base); + + for (i = 0; attrib_list && attrib_list[i] != EGL_NONE; i++) { + switch (attrib_list[i]) { + /* no attribs at this time */ + default: + _eglError(EGL_BAD_ATTRIBUTE, "eglCreatePixmapSurface"); + return EGL_NO_SURFACE; + } + } + + GLX_surf->drawable = glXCreatePixmap(disp->Xdpy, GLX_drv->fbconfigs[(int)config-1], pixmap, NULL); + + return _eglGetSurfaceHandle(&GLX_surf->Base); +} + +static EGLSurface +GLX_eglCreatePbufferSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, + const EGLint *attrib_list) +{ + struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv); + _EGLDisplay *disp = _eglLookupDisplay(dpy); + struct GLX_egl_surface *GLX_surf; + int attribs[5]; + int i = 0, j = 0; + + GLX_surf = CALLOC_STRUCT(GLX_egl_surface); + if (!GLX_surf) + return EGL_NO_SURFACE; + + if (!_eglInitSurface(drv, dpy, &GLX_surf->Base, EGL_PBUFFER_BIT, + config, attrib_list)) { + free(GLX_surf); + return EGL_NO_SURFACE; + } + + _eglSaveSurface(&GLX_surf->Base); + + while(attrib_list[i] != EGL_NONE) { + switch (attrib_list[i]) { + case EGL_WIDTH: + attribs[j++] = GLX_PBUFFER_WIDTH; + attribs[j++] = attrib_list[i+1]; + break; + case EGL_HEIGHT: + attribs[j++] = GLX_PBUFFER_HEIGHT; + attribs[j++] = attrib_list[i+1]; + break; + } + i++; + } + attribs[j++] = 0; + + GLX_surf->drawable = glXCreatePbuffer(disp->Xdpy, GLX_drv->fbconfigs[(int)config-1], attribs); + + return _eglGetSurfaceHandle(&GLX_surf->Base); +} +#endif + +static EGLBoolean +GLX_eglDestroySurface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface) +{ + _EGLDisplay *disp = _eglLookupDisplay(dpy); + _EGLSurface *surf = _eglLookupSurface(surface); + return EGL_TRUE; + if (surf) { + _eglHashRemove(_eglGlobal.Surfaces, (EGLuint) surface); + if (surf->IsBound) { + surf->DeletePending = EGL_TRUE; + } + else { + free(surf); + } + + return EGL_TRUE; + } + else { + _eglError(EGL_BAD_SURFACE, "eglDestroySurface"); + return EGL_FALSE; + } +} + + +static EGLBoolean +GLX_eglBindTexImage(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface, + EGLint buffer) +{ + _EGLDisplay *disp = _eglLookupDisplay(dpy); + _EGLSurface *surf = _eglLookupSurface(surface); + struct GLX_egl_surface *GLX_surf = GLX_egl_surface(surf); + + /* buffer ?? */ + glXBindTexImageEXT(disp->Xdpy, GLX_surf->drawable, GLX_FRONT_LEFT_EXT, NULL); + + return EGL_TRUE; +} + + +static EGLBoolean +GLX_eglReleaseTexImage(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface, + EGLint buffer) +{ + _EGLDisplay *disp = _eglLookupDisplay(dpy); + _EGLSurface *surf = _eglLookupSurface(surface); + struct GLX_egl_surface *GLX_surf = GLX_egl_surface(surf); + + /* buffer ?? */ + glXReleaseTexImageEXT(disp->Xdpy, GLX_surf->drawable, GLX_FRONT_LEFT_EXT); + + return EGL_TRUE; +} + + +static EGLBoolean +GLX_eglSwapBuffers(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw) +{ + _EGLDisplay *disp = _eglLookupDisplay(dpy); + _EGLSurface *surf = _eglLookupSurface(draw); + struct GLX_egl_surface *GLX_surf = GLX_egl_surface(surf); + + _eglLog(_EGL_DEBUG, "GLX: EGL SwapBuffers 0x%x",draw); + + /* error checking step: */ + if (!_eglSwapBuffers(drv, dpy, draw)) + return EGL_FALSE; + + glXSwapBuffers(disp->Xdpy, GLX_surf->drawable); + + return EGL_TRUE; +} + +/* + * Called from eglGetProcAddress() via drv->API.GetProcAddress(). + */ +static _EGLProc +GLX_eglGetProcAddress(const char *procname) +{ + return (_EGLProc)glXGetProcAddress((const GLubyte *)procname); +} + + +/** + * This is the main entrypoint into the driver, called by libEGL. + * Create a new _EGLDriver object and init its dispatch table. + */ +_EGLDriver * +_eglMain(_EGLDisplay *disp, const char *args) +{ + struct GLX_egl_driver *GLX_drv = CALLOC_STRUCT(GLX_egl_driver); + char *env; + int maj = 0, min = 0; + + if (!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.MakeCurrent = GLX_eglMakeCurrent; + GLX_drv->Base.API.CreateWindowSurface = GLX_eglCreateWindowSurface; +#ifdef GLX_VERSION_1_3 + if (GLX_drv->glx_maj == 1 && GLX_drv->glx_min >= 3) { + GLX_drv->Base.API.CreatePixmapSurface = GLX_eglCreatePixmapSurface; + GLX_drv->Base.API.CreatePbufferSurface = GLX_eglCreatePbufferSurface; + printf("GLX: Pbuffer and Pixmap support\n"); + } else { + printf("GLX: No pbuffer or pixmap support\n"); + } +#endif + GLX_drv->Base.API.DestroySurface = GLX_eglDestroySurface; + GLX_drv->Base.API.BindTexImage = GLX_eglBindTexImage; + GLX_drv->Base.API.ReleaseTexImage = GLX_eglReleaseTexImage; + GLX_drv->Base.API.SwapBuffers = GLX_eglSwapBuffers; + GLX_drv->Base.API.GetProcAddress = GLX_eglGetProcAddress; + + GLX_drv->Base.ClientAPIsMask = all_apis; + GLX_drv->Base.Name = "GLX"; + + _eglLog(_EGL_DEBUG, "GLX: main(%s)", args); + + /* set new DRI path to pick up EGL version (which doesn't contain any mesa + * code), but don't override if one is already set. + */ + env = getenv("LIBGL_DRIVERS_PATH"); + if (env) { + if (!strstr(env, "egl")) { + sprintf(env, "%s/egl", env); + setenv("LIBGL_DRIVERS_PATH", env, 1); + } + } else + setenv("LIBGL_DRIVERS_PATH", DEFAULT_DRIVER_DIR"/egl", 0); + + return &GLX_drv->Base; +} diff --git a/src/egl/drivers/xdri/Makefile b/src/egl/drivers/xdri/Makefile new file mode 100644 index 0000000000..a721b997e6 --- /dev/null +++ b/src/egl/drivers/xdri/Makefile @@ -0,0 +1,70 @@ +# src/egl/drivers/xdri/Makefile + +# Build XEGL DRI driver loader library: egl_xdri.so + + +TOP = ../../../.. +include $(TOP)/configs/current + + +DRIVER_NAME = egl_xdri.so + + +INCLUDE_DIRS = \ + -I. \ + -I/usr/include \ + $(shell pkg-config --cflags-only-I libdrm) \ + -I$(TOP)/include \ + -I$(TOP)/include/GL/internal \ + -I$(TOP)/src/mesa/glapi \ + -I$(TOP)/src/mesa/drivers/dri/common \ + -I$(TOP)/src/egl/main \ + -I$(TOP)/src/glx/x11 + +SOURCES = egl_xdri.c + +OBJECTS = $(SOURCES:.c=.o) + +DRM_LIB = `pkg-config --libs libdrm` + +MISC_LIBS = -ldl -lXext -lGL + + +.c.o: + $(CC) -c $(INCLUDE_DIRS) $(CFLAGS) $< -o $@ + + +.PHONY: library + + +default: depend library Makefile + + +library: $(TOP)/$(LIB_DIR)/$(DRIVER_NAME) + + +# Make the egl_xdri.so library +$(TOP)/$(LIB_DIR)/$(DRIVER_NAME): $(OBJECTS) + $(TOP)/bin/mklib -o $(DRIVER_NAME) \ + -noprefix \ + -major 1 -minor 0 \ + -L$(TOP)/$(LIB_DIR) \ + -install $(TOP)/$(LIB_DIR) \ + $(OBJECTS) $(DRM_LIB) $(MISC_LIBS) + + +clean: + rm -f *.o + rm -f *.so + rm -f depend depend.bak + + +depend: $(SOURCES) $(HEADERS) + @ echo "running $(MKDEP)" + @ rm -f depend + @ touch depend + $(MKDEP) $(MKDEP_OPTIONS) $(DEFINES) $(INCLUDE_DIRS) \ + $(SOURCES) $(HEADERS) >/dev/null 2>/dev/null + +include depend +# DO NOT DELETE diff --git a/src/egl/drivers/xdri/egl_xdri.c b/src/egl/drivers/xdri/egl_xdri.c new file mode 100644 index 0000000000..3b3e312746 --- /dev/null +++ b/src/egl/drivers/xdri/egl_xdri.c @@ -0,0 +1,1177 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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. + * + **************************************************************************/ + + +/** + * Code to interface a DRI driver to libEGL. + * Note that unlike previous DRI/EGL interfaces, this one is meant to + * be used _with_ X. Applications will use eglCreateWindowSurface() + * to render into X-created windows. + * + * This is an EGL driver that, in turn, loads a regular DRI driver. + * There are some dependencies on code in libGL, but those could be + * removed with some effort. + * + * Authors: Brian Paul + */ + + +#include <assert.h> +#include <stdio.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include "dlfcn.h" +#include <X11/Xlib.h> +#include <GL/gl.h> +#include "xf86dri.h" +#include "glxclient.h" +#include "dri_util.h" +#include "drm_sarea.h" + +#define _EGL_PLATFORM_X + +#include "eglconfig.h" +#include "eglcontext.h" +#include "egldisplay.h" +#include "egldriver.h" +#include "eglglobals.h" +#include "eglhash.h" +#include "egllog.h" +#include "eglsurface.h" + +#include <GL/gl.h> + +typedef void (*glGetIntegerv_t)(GLenum, GLint *); +typedef void (*glBindTexture_t)(GLenum, GLuint); +typedef void (*glCopyTexImage2D_t)(GLenum, GLint, GLenum, GLint, GLint, + GLint, GLint, GLint); + + +#define CALLOC_STRUCT(T) (struct T *) calloc(1, sizeof(struct T)) + + +/** subclass of _EGLDriver */ +struct xdri_egl_driver +{ + _EGLDriver Base; /**< base class */ + + const char *dri_driver_name; /**< name of DRI driver to load */ + void *dri_driver_handle; /**< returned by dlopen(dri_driver_name) */ + + __GLXdisplayPrivate *glx_priv; + + + /* XXX we're not actually using these at this time: */ + int chipset; + int minor; + int drmFD; + + __DRIframebuffer framebuffer; + drm_handle_t hSAREA; + drmAddress pSAREA; + char *busID; + drm_magic_t magic; +}; + + +/** subclass of _EGLContext */ +struct xdri_egl_context +{ + _EGLContext Base; /**< base class */ + + __DRIcontext driContext; + + GLint bound_tex_object; +}; + + +/** subclass of _EGLSurface */ +struct xdri_egl_surface +{ + _EGLSurface Base; /**< base class */ + + __DRIid driDrawable; /**< DRI surface */ + drm_drawable_t hDrawable; +}; + + +/** subclass of _EGLConfig */ +struct xdri_egl_config +{ + _EGLConfig Base; /**< base class */ + + const __GLcontextModes *mode; /**< corresponding GLX mode */ +}; + + + +/** cast wrapper */ +static struct xdri_egl_driver * +xdri_egl_driver(_EGLDriver *drv) +{ + return (struct xdri_egl_driver *) drv; +} + + +/** Map EGLSurface handle to xdri_egl_surface object */ +static struct xdri_egl_surface * +lookup_surface(EGLSurface surf) +{ + _EGLSurface *surface = _eglLookupSurface(surf); + return (struct xdri_egl_surface *) surface; +} + + +/** Map EGLContext handle to xdri_egl_context object */ +static struct xdri_egl_context * +lookup_context(EGLContext c) +{ + _EGLContext *context = _eglLookupContext(c); + return (struct xdri_egl_context *) context; +} + +static struct xdri_egl_context * +current_context(void) +{ + return (struct xdri_egl_context *) _eglGetCurrentContext(); +} + +/** Map EGLConfig handle to xdri_egl_config object */ +static struct xdri_egl_config * +lookup_config(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config) +{ + _EGLConfig *conf = _eglLookupConfig(drv, dpy, config); + return (struct xdri_egl_config *) conf; +} + + + +/** Get size of given window */ +static Status +get_drawable_size(Display *dpy, Drawable d, uint *width, uint *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; +} + + +/** + * Produce a set of EGL configs. + * Note that we get the list of GLcontextModes from the GLX library. + * This dependency on GLX lib will be removed someday. + */ +static void +create_configs(_EGLDisplay *disp, __GLXdisplayPrivate *glx_priv) +{ + static const EGLint all_apis = (EGL_OPENGL_ES_BIT | + EGL_OPENGL_ES2_BIT | + EGL_OPENVG_BIT | + EGL_OPENGL_BIT); + __GLXscreenConfigs *scrn = glx_priv->screenConfigs; + const __GLcontextModes *m; + int id = 1; + + for (m = scrn->configs; m; m = m->next) { + /* EGL requires double-buffered configs */ + if (m->doubleBufferMode) { + struct xdri_egl_config *config = CALLOC_STRUCT(xdri_egl_config); + + _eglInitConfig(&config->Base, id++); + + SET_CONFIG_ATTRIB(&config->Base, EGL_BUFFER_SIZE, m->rgbBits); + SET_CONFIG_ATTRIB(&config->Base, EGL_RED_SIZE, m->redBits); + SET_CONFIG_ATTRIB(&config->Base, EGL_GREEN_SIZE, m->greenBits); + SET_CONFIG_ATTRIB(&config->Base, EGL_BLUE_SIZE, m->blueBits); + SET_CONFIG_ATTRIB(&config->Base, EGL_ALPHA_SIZE, m->alphaBits); + SET_CONFIG_ATTRIB(&config->Base, EGL_DEPTH_SIZE, m->depthBits); + SET_CONFIG_ATTRIB(&config->Base, EGL_STENCIL_SIZE, m->stencilBits); + SET_CONFIG_ATTRIB(&config->Base, EGL_SAMPLES, m->samples); + SET_CONFIG_ATTRIB(&config->Base, EGL_SAMPLE_BUFFERS, m->sampleBuffers); + SET_CONFIG_ATTRIB(&config->Base, EGL_NATIVE_VISUAL_ID, m->visualID); + SET_CONFIG_ATTRIB(&config->Base, EGL_NATIVE_VISUAL_TYPE, m->visualType); + SET_CONFIG_ATTRIB(&config->Base, EGL_CONFORMANT, all_apis); + SET_CONFIG_ATTRIB(&config->Base, EGL_RENDERABLE_TYPE, all_apis); + /* XXX only window rendering allowed ATM */ + SET_CONFIG_ATTRIB(&config->Base, EGL_SURFACE_TYPE, + (EGL_WINDOW_BIT | EGL_PBUFFER_BIT)); + + /* XXX possibly other things to init... */ + + /* Ptr from EGL config to GLcontextMode. Used in CreateContext(). */ + config->mode = m; + + _eglAddConfig(disp, &config->Base); + } + } +} + + +/** + * Called via __DRIinterfaceMethods object + */ +static __DRIfuncPtr +dri_get_proc_address(const char * proc_name) +{ + return NULL; +} + + +static void +dri_context_modes_destroy(__GLcontextModes *modes) +{ + _eglLog(_EGL_DEBUG, "%s", __FUNCTION__); + + while (modes) { + __GLcontextModes * const next = modes->next; + free(modes); + modes = next; + } +} + + +/** + * Create a linked list of 'count' GLcontextModes. + * These are used during the client/server visual negotiation phase, + * then discarded. + */ +static __GLcontextModes * +dri_context_modes_create(unsigned count, size_t minimum_size) +{ + /* This code copied from libGLX, and modified */ + const size_t size = (minimum_size > sizeof(__GLcontextModes)) + ? minimum_size : sizeof(__GLcontextModes); + __GLcontextModes * head = NULL; + __GLcontextModes ** next; + unsigned i; + + next = & head; + for (i = 0 ; i < count ; i++) { + *next = (__GLcontextModes *) calloc(1, size); + if (*next == NULL) { + dri_context_modes_destroy(head); + head = NULL; + break; + } + + (*next)->doubleBufferMode = 1; + (*next)->visualID = GLX_DONT_CARE; + (*next)->visualType = GLX_DONT_CARE; + (*next)->visualRating = GLX_NONE; + (*next)->transparentPixel = GLX_NONE; + (*next)->transparentRed = GLX_DONT_CARE; + (*next)->transparentGreen = GLX_DONT_CARE; + (*next)->transparentBlue = GLX_DONT_CARE; + (*next)->transparentAlpha = GLX_DONT_CARE; + (*next)->transparentIndex = GLX_DONT_CARE; + (*next)->xRenderable = GLX_DONT_CARE; + (*next)->fbconfigID = GLX_DONT_CARE; + (*next)->swapMethod = GLX_SWAP_UNDEFINED_OML; + (*next)->bindToTextureRgb = GLX_DONT_CARE; + (*next)->bindToTextureRgba = GLX_DONT_CARE; + (*next)->bindToMipmapTexture = GLX_DONT_CARE; + (*next)->bindToTextureTargets = 0; + (*next)->yInverted = GLX_DONT_CARE; + + next = & ((*next)->next); + } + + return head; +} + + +static __DRIscreen * +dri_find_dri_screen(__DRInativeDisplay *ndpy, int scrn) +{ + __GLXdisplayPrivate *priv = __glXInitialize(ndpy); + __GLXscreenConfigs *scrnConf = priv->screenConfigs; + return &scrnConf->driScreen; +} + + +static GLboolean +dri_window_exists(__DRInativeDisplay *ndpy, __DRIid draw) +{ + return EGL_TRUE; +} + + +static GLboolean +dri_create_context(__DRInativeDisplay *ndpy, int screenNum, int configID, + void * contextID, drm_context_t * hw_context) +{ + assert(configID >= 0); + return XF86DRICreateContextWithConfig(ndpy, screenNum, + configID, contextID, hw_context); +} + + +static GLboolean +dri_destroy_context(__DRInativeDisplay * ndpy, int screen, __DRIid context) +{ + return XF86DRIDestroyContext(ndpy, screen, context); +} + + +static GLboolean +dri_create_drawable(__DRInativeDisplay * ndpy, int screen, + __DRIid drawable, drm_drawable_t * hHWDrawable) +{ + _eglLog(_EGL_DEBUG, "XDRI: %s", __FUNCTION__); + + /* Create DRI drawable for given window ID (drawable) */ + if (!XF86DRICreateDrawable(ndpy, screen, drawable, hHWDrawable)) + return EGL_FALSE; + + return EGL_TRUE; +} + + +static GLboolean +dri_destroy_drawable(__DRInativeDisplay * ndpy, int screen, __DRIid drawable) +{ + _eglLog(_EGL_DEBUG, "XDRI: %s", __FUNCTION__); + return XF86DRIDestroyDrawable(ndpy, screen, drawable); +} + + +static GLboolean +dri_get_drawable_info(__DRInativeDisplay *ndpy, int scrn, + __DRIid draw, unsigned int * index, unsigned int * stamp, + int * x, int * y, int * width, int * height, + int * numClipRects, drm_clip_rect_t ** pClipRects, + int * backX, int * backY, + int * numBackClipRects, + drm_clip_rect_t ** pBackClipRects) +{ + _eglLog(_EGL_DEBUG, "XDRI: %s", __FUNCTION__); + + if (!XF86DRIGetDrawableInfo(ndpy, scrn, draw, index, stamp, + x, y, width, height, + numClipRects, pClipRects, + backX, backY, + numBackClipRects, pBackClipRects)) { + return EGL_FALSE; + } + + return EGL_TRUE; +} + + +/** + * Table of functions exported by the loader to the driver. + */ +static const __DRIinterfaceMethods interface_methods = { + dri_get_proc_address, + + dri_context_modes_create, + dri_context_modes_destroy, + + dri_find_dri_screen, + dri_window_exists, + + dri_create_context, + dri_destroy_context, + + dri_create_drawable, + dri_destroy_drawable, + dri_get_drawable_info, + + NULL,/*__eglGetUST,*/ + NULL,/*__eglGetMSCRate,*/ +}; + + + +static EGLBoolean +init_drm(struct xdri_egl_driver *xdri_drv, _EGLDisplay *disp) +{ + __DRIversion ddx_version; + __DRIversion dri_version; + __DRIversion drm_version; + drmVersionPtr version; + drm_handle_t hFB; + int newlyopened; + int status; + int scrn = DefaultScreen(disp->Xdpy); + +#if 0 + createNewScreen = (PFNCREATENEWSCREENFUNC) + dlsym(xdri_drv->dri_driver_handle, createNewScreenName); + if (!createNewScreen) { + _eglLog(_EGL_WARNING, "XDRI: Couldn't find %s function in the driver.", + createNewScreenName); + return EGL_FALSE; + } + else { + _eglLog(_EGL_DEBUG, "XDRI: Found %s", createNewScreenName); + } +#endif + + /* + * Get the DRI X extension version. + */ + dri_version.major = 4; + dri_version.minor = 0; + dri_version.patch = 0; + + if (!XF86DRIOpenConnection(disp->Xdpy, scrn, + &xdri_drv->hSAREA, &xdri_drv->busID)) { + _eglLog(_EGL_WARNING, "XF86DRIOpenConnection failed"); + } + + xdri_drv->drmFD = drmOpenOnce(NULL, xdri_drv->busID, &newlyopened); + if (xdri_drv->drmFD < 0) { + perror("drmOpenOnce failed: "); + return EGL_FALSE; + } + else { + _eglLog(_EGL_DEBUG, "XDRI: drmOpenOnce returned %d", xdri_drv->drmFD); + } + + + if (drmGetMagic(xdri_drv->drmFD, &xdri_drv->magic)) { + perror("drmGetMagic failed: "); + return EGL_FALSE; + } + + version = drmGetVersion(xdri_drv->drmFD); + if (version) { + drm_version.major = version->version_major; + drm_version.minor = version->version_minor; + drm_version.patch = version->version_patchlevel; + drmFreeVersion(version); + _eglLog(_EGL_DEBUG, "XDRI: Got DRM version %d.%d.%d", + drm_version.major, + drm_version.minor, + drm_version.patch); + } + else { + drm_version.major = -1; + drm_version.minor = -1; + drm_version.patch = -1; + _eglLog(_EGL_WARNING, "XDRI: drmGetVersion() failed"); + return EGL_FALSE; + } + + /* Authenticate w/ server. + */ + if (!XF86DRIAuthConnection(disp->Xdpy, scrn, xdri_drv->magic)) { + _eglLog(_EGL_WARNING, "XDRI: XF86DRIAuthConnection() failed"); + return EGL_FALSE; + } + else { + _eglLog(_EGL_DEBUG, "XDRI: XF86DRIAuthConnection() success"); + } + + /* Get ddx version. + */ + { + char *driverName; + + /* + * Get device name (like "tdfx") and the ddx version + * numbers. We'll check the version in each DRI driver's + * "createNewScreen" function. + */ + if (!XF86DRIGetClientDriverName(disp->Xdpy, scrn, + &ddx_version.major, + &ddx_version.minor, + &ddx_version.patch, + &driverName)) { + _eglLog(_EGL_WARNING, "XDRI: XF86DRIGetClientDriverName failed"); + return EGL_FALSE; + } + else { + _eglLog(_EGL_DEBUG, "XDRI: XF86DRIGetClientDriverName returned %s", driverName); + } + } + + /* Get framebuffer info. + */ + { + int junk; + if (!XF86DRIGetDeviceInfo(disp->Xdpy, scrn, + &hFB, + &junk, + &xdri_drv->framebuffer.size, + &xdri_drv->framebuffer.stride, + &xdri_drv->framebuffer.dev_priv_size, + &xdri_drv->framebuffer.dev_priv)) { + _eglLog(_EGL_WARNING, "XDRI: XF86DRIGetDeviceInfo() failed"); + return EGL_FALSE; + } + else { + _eglLog(_EGL_DEBUG, "XDRI: XF86DRIGetDeviceInfo() success"); + } + xdri_drv->framebuffer.width = DisplayWidth(disp->Xdpy, scrn); + xdri_drv->framebuffer.height = DisplayHeight(disp->Xdpy, scrn); + } + + /* Map the framebuffer region. (this may not be needed) + */ + status = drmMap(xdri_drv->drmFD, hFB, xdri_drv->framebuffer.size, + (drmAddressPtr) &xdri_drv->framebuffer.base); + if (status != 0) { + _eglLog(_EGL_WARNING, "XDRI: drmMap(framebuffer) failed"); + return EGL_FALSE; + } + else { + _eglLog(_EGL_DEBUG, "XDRI: drmMap(framebuffer) success"); + } + + /* Map the SAREA region. + */ + status = drmMap(xdri_drv->drmFD, xdri_drv->hSAREA, SAREA_MAX, &xdri_drv->pSAREA); + if (status != 0) { + _eglLog(_EGL_WARNING, "XDRI: drmMap(sarea) failed"); + return EGL_FALSE; + } + else { + _eglLog(_EGL_DEBUG, "XDRI: drmMap(sarea) success"); + } + + return EGL_TRUE; +} + + +/** + * Load the DRI driver named by "xdri_drv->dri_driver_name". + * Basically, dlopen() the library to set "xdri_drv->dri_driver_handle". + * + * Later, we'll call dlsym(createNewScreenName) to get a pointer to + * the driver's createNewScreen() function which is the bootstrap function. + * + * \return EGL_TRUE for success, EGL_FALSE for failure + */ +static EGLBoolean +load_dri_driver(struct xdri_egl_driver *xdri_drv) +{ + char filename[100]; + int flags = RTLD_NOW; + + /* try "egl_xxx_dri.so" first */ + snprintf(filename, sizeof(filename), "egl_%s.so", xdri_drv->dri_driver_name); + _eglLog(_EGL_DEBUG, "XDRI: dlopen(%s)", filename); + xdri_drv->dri_driver_handle = dlopen(filename, flags); + if (xdri_drv->dri_driver_handle) { + _eglLog(_EGL_DEBUG, "XDRI: dlopen(%s) OK", filename); + return EGL_TRUE; + } + else { + _eglLog(_EGL_DEBUG, "XDRI: dlopen(%s) fail (%s)", filename, dlerror()); + } + + /* try regular "xxx_dri.so" next */ + snprintf(filename, sizeof(filename), "%s.so", xdri_drv->dri_driver_name); + _eglLog(_EGL_DEBUG, "XDRI: dlopen(%s)", filename); + xdri_drv->dri_driver_handle = dlopen(filename, flags); + if (xdri_drv->dri_driver_handle) { + _eglLog(_EGL_DEBUG, "XDRI: dlopen(%s) OK", filename); + return EGL_TRUE; + } + + _eglLog(_EGL_WARNING, "XDRI Could not open %s (%s)", filename, dlerror()); + return EGL_FALSE; +} + + +/** + * Called via eglInitialize(), xdri_drv->API.Initialize(). + */ +static EGLBoolean +xdri_eglInitialize(_EGLDriver *drv, EGLDisplay dpy, + EGLint *minor, EGLint *major) +{ + struct xdri_egl_driver *xdri_drv = xdri_egl_driver(drv); + _EGLDisplay *disp = _eglLookupDisplay(dpy); + static char name[100]; + + _eglLog(_EGL_DEBUG, "XDRI: eglInitialize"); + + if (!disp->Xdpy) { + disp->Xdpy = XOpenDisplay(NULL); + if (!disp->Xdpy) { + _eglLog(_EGL_WARNING, "XDRI: XOpenDisplay failed"); + return EGL_FALSE; + } + } + +#if 0 + /* choose the DRI driver to load */ + xdri_drv->dri_driver_name = _eglChooseDRMDriver(0); + if (!load_dri_driver(xdri_drv)) + return EGL_FALSE; +#else + (void) load_dri_driver; +#endif + +#if 0 + if (!init_drm(xdri_drv, disp)) + return EGL_FALSE; +#else + (void) init_drm; +#endif + + /* + * NOTE: this call to __glXInitialize() bootstraps the whole GLX/DRI + * interface, loads the DRI driver, etc. + * This replaces the load_dri_driver() and init_drm() code above. + */ + xdri_drv->glx_priv = __glXInitialize(disp->Xdpy); + + create_configs(disp, xdri_drv->glx_priv); + + xdri_drv->Base.Initialized = EGL_TRUE; + + if (xdri_drv->dri_driver_name) + snprintf(name, sizeof(name), "X/DRI:%s", xdri_drv->dri_driver_name); + else + snprintf(name, sizeof(name), "X/DRI"); + xdri_drv->Base.Name = name; + + /* we're supporting EGL 1.4 */ + *minor = 1; + *major = 4; + + return EGL_TRUE; +} + + +/* + * Do some clean-up that normally occurs in XCloseDisplay(). + * We do this here because we're about to unload a dynamic library + * that has added some per-display extension data and callbacks. + * If we don't do this here we'll crash in XCloseDisplay() because it'll + * try to call functions that went away when the driver library was unloaded. + */ +static void +FreeDisplayExt(Display *dpy) +{ + _XExtension *ext, *next; + + for (ext = dpy->ext_procs; ext; ext = next) { + next = ext->next; + if (ext->close_display) { + ext->close_display(dpy, &ext->codes); + ext->close_display = NULL; + } + if (ext->name) + Xfree(ext->name); + Xfree(ext); + } + dpy->ext_procs = NULL; + + _XFreeExtData (dpy->ext_data); + dpy->ext_data = NULL; +} + + +/** + * Called via eglTerminate(), drv->API.Terminate(). + */ +static EGLBoolean +xdri_eglTerminate(_EGLDriver *drv, EGLDisplay dpy) +{ + struct xdri_egl_driver *xdri_drv = xdri_egl_driver(drv); + _EGLDisplay *disp = _eglLookupDisplay(dpy); + + _eglLog(_EGL_DEBUG, "XDRI: eglTerminate"); + + _eglLog(_EGL_DEBUG, "XDRI: Closing %s", xdri_drv->dri_driver_name); + + FreeDisplayExt(disp->Xdpy); + +#if 0 + /* this causes a segfault for some reason */ + dlclose(xdri_drv->dri_driver_handle); +#endif + xdri_drv->dri_driver_handle = NULL; + + free((void*) xdri_drv->dri_driver_name); + + return EGL_TRUE; +} + + +/* + * Called from eglGetProcAddress() via drv->API.GetProcAddress(). + */ +static _EGLProc +xdri_eglGetProcAddress(const char *procname) +{ +#if 0 + _EGLDriver *drv = NULL; + + struct xdri_egl_driver *xdri_drv = xdri_egl_driver(drv); + /*_EGLDisplay *disp = _eglLookupDisplay(dpy);*/ + _EGLProc *proc = xdri_drv->driScreen.getProcAddress(procname); + return proc; +#elif 1 + /* This is a bit of a hack to get at the gallium/Mesa state tracker + * function st_get_proc_address(). This will probably change at + * some point. + */ + _EGLProc (*st_get_proc_addr)(const char *procname); + st_get_proc_addr = dlsym(NULL, "st_get_proc_address"); + if (st_get_proc_addr) { + return st_get_proc_addr(procname); + } + return NULL; +#else + return NULL; +#endif +} + + +/** + * Called via eglCreateContext(), drv->API.CreateContext(). + */ +static EGLContext +xdri_eglCreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, + EGLContext share_list, const EGLint *attrib_list) +{ + _EGLDisplay *disp = _eglLookupDisplay(dpy); + struct xdri_egl_config *xdri_config = lookup_config(drv, dpy, config); + void *shared = NULL; + int renderType = GLX_RGBA_BIT; + + struct xdri_egl_context *xdri_ctx = CALLOC_STRUCT(xdri_egl_context); + if (!xdri_ctx) + return EGL_NO_CONTEXT; + + if (!_eglInitContext(drv, dpy, &xdri_ctx->Base, config, attrib_list)) { + free(xdri_ctx); + return EGL_NO_CONTEXT; + } + + assert(xdri_config); + + { + struct xdri_egl_driver *xdri_drv = xdri_egl_driver(drv); + __GLXscreenConfigs *scrnConf = xdri_drv->glx_priv->screenConfigs; + xdri_ctx->driContext.private = + scrnConf->driScreen.createNewContext(disp->Xdpy, + xdri_config->mode, renderType, + shared, &xdri_ctx->driContext); + } + + if (!xdri_ctx->driContext.private) { + _eglLog(_EGL_DEBUG, "driScreen.createNewContext failed"); + free(xdri_ctx); + return EGL_NO_CONTEXT; + } + + xdri_ctx->driContext.mode = xdri_config->mode; + + return _eglGetContextHandle(&xdri_ctx->Base); +} + + +/** + * Called via eglMakeCurrent(), drv->API.MakeCurrent(). + */ +static EGLBoolean +xdri_eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface d, + EGLSurface r, EGLContext context) +{ + _EGLDisplay *disp = _eglLookupDisplay(dpy); + struct xdri_egl_context *xdri_ctx = lookup_context(context); + struct xdri_egl_surface *xdri_draw = lookup_surface(d); + struct xdri_egl_surface *xdri_read = lookup_surface(r); + __DRIid draw = xdri_draw ? xdri_draw->driDrawable : 0; + __DRIid read = xdri_read ? xdri_read->driDrawable : 0; + int scrn = DefaultScreen(disp->Xdpy); + + if (!_eglMakeCurrent(drv, dpy, d, r, context)) + return EGL_FALSE; + + + if (xdri_ctx && + !xdri_ctx->driContext.bindContext(disp->Xdpy, scrn, draw, read, + &xdri_ctx->driContext)) { + return EGL_FALSE; + } + + return EGL_TRUE; +} + + +/** + * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface(). + */ +static EGLSurface +xdri_eglCreateWindowSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, + NativeWindowType window, const EGLint *attrib_list) +{ + _EGLDisplay *disp = _eglLookupDisplay(dpy); + struct xdri_egl_surface *xdri_surf; + int scrn = DefaultScreen(disp->Xdpy); + uint width, height; + + xdri_surf = CALLOC_STRUCT(xdri_egl_surface); + if (!xdri_surf) + return EGL_NO_SURFACE; + + if (!_eglInitSurface(drv, dpy, &xdri_surf->Base, EGL_WINDOW_BIT, + config, attrib_list)) { + free(xdri_surf); + return EGL_FALSE; + } + + if (!XF86DRICreateDrawable(disp->Xdpy, scrn, window, &xdri_surf->hDrawable)) { + free(xdri_surf); + return EGL_FALSE; + } + + xdri_surf->driDrawable = window; + + _eglSaveSurface(&xdri_surf->Base); + + get_drawable_size(disp->Xdpy, window, &width, &height); + xdri_surf->Base.Width = width; + xdri_surf->Base.Height = height; + + _eglLog(_EGL_DEBUG, + "XDRI: CreateWindowSurface win 0x%x handle %d hDrawable %d", + (int) window, _eglGetSurfaceHandle(&xdri_surf->Base), + (int) xdri_surf->hDrawable); + + return _eglGetSurfaceHandle(&xdri_surf->Base); +} + + +/** + * Called via eglCreatePbufferSurface(), drv->API.CreatePbufferSurface(). + */ +static EGLSurface +xdri_eglCreatePbufferSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, + const EGLint *attrib_list) +{ + _EGLDisplay *disp = _eglLookupDisplay(dpy); + struct xdri_egl_surface *xdri_surf; + struct xdri_egl_config *xdri_config = lookup_config(drv, dpy, config); + int scrn = DefaultScreen(disp->Xdpy); + Window window; + + xdri_surf = CALLOC_STRUCT(xdri_egl_surface); + if (!xdri_surf) + return EGL_NO_SURFACE; + + if (!_eglInitSurface(drv, dpy, &xdri_surf->Base, EGL_PBUFFER_BIT, + config, attrib_list)) { + free(xdri_surf); + return EGL_FALSE; + } + + /* Create a dummy X window */ + { + Window root = RootWindow(disp->Xdpy, scrn); + XSetWindowAttributes attr; + XVisualInfo *visInfo, visTemplate; + unsigned mask; + int nvis; + + visTemplate.visualid = xdri_config->mode->visualID; + visInfo = XGetVisualInfo(disp->Xdpy, VisualIDMask, &visTemplate, &nvis); + if (!visInfo) { + return EGL_NO_SURFACE; + } + + attr.background_pixel = 0; + attr.border_pixel = 0; + attr.colormap = XCreateColormap(disp->Xdpy, root, + visInfo->visual, AllocNone); + attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask; + mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask; + + window = XCreateWindow(disp->Xdpy, root, 0, 0, + xdri_surf->Base.Width, xdri_surf->Base.Height, + 0, visInfo->depth, InputOutput, + visInfo->visual, mask, &attr); + + /*XMapWindow(disp->Xdpy, window);*/ + XFree(visInfo); + + /* set hints and properties */ + /* + sizehints.width = xdri_surf->Base.Width; + sizehints.height = xdri_surf->Base.Height; + sizehints.flags = USPosition; + XSetNormalHints(disp->Xdpy, window, &sizehints); + */ + } + + if (!XF86DRICreateDrawable(disp->Xdpy, scrn, window, &xdri_surf->hDrawable)) { + free(xdri_surf); + return EGL_FALSE; + } + + xdri_surf->driDrawable = window; + + _eglSaveSurface(&xdri_surf->Base); + + _eglLog(_EGL_DEBUG, + "XDRI: CreatePbufferSurface handle %d hDrawable %d", + _eglGetSurfaceHandle(&xdri_surf->Base), + (int) xdri_surf->hDrawable); + + return _eglGetSurfaceHandle(&xdri_surf->Base); +} + + + +static EGLBoolean +xdri_eglDestroySurface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface) +{ + struct xdri_egl_surface *xdri_surf = lookup_surface(surface); + if (xdri_surf) { + _eglHashRemove(_eglGlobal.Surfaces, (EGLuint) surface); + if (xdri_surf->Base.IsBound) { + xdri_surf->Base.DeletePending = EGL_TRUE; + } + else { + /* + st_unreference_framebuffer(surf->Framebuffer); + */ + free(xdri_surf); + } + return EGL_TRUE; + } + else { + _eglError(EGL_BAD_SURFACE, "eglDestroySurface"); + return EGL_FALSE; + } +} + + +static EGLBoolean +xdri_eglBindTexImage(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface, + EGLint buffer) +{ + typedef int (*bind_teximage)(__DRInativeDisplay *dpy, + __DRIid surface, __DRIscreen *psc, + int buffer, int target, int format, + int level, int mipmap); + + bind_teximage egl_dri_bind_teximage; + + _EGLDisplay *disp = _eglLookupDisplay(dpy); + + struct xdri_egl_context *xdri_ctx = current_context(); + struct xdri_egl_driver *xdri_drv = xdri_egl_driver(drv); + struct xdri_egl_surface *xdri_surf = lookup_surface(surface); + + __DRIid dri_surf = xdri_surf ? xdri_surf->driDrawable : 0; + + __GLXscreenConfigs *scrnConf = xdri_drv->glx_priv->screenConfigs; + __DRIscreen *psc = &scrnConf->driScreen; + + /* this call just does error checking */ + if (!_eglBindTexImage(drv, dpy, surface, buffer)) { + return EGL_FALSE; + } + + egl_dri_bind_teximage = + (bind_teximage) dlsym(NULL, "egl_dri_bind_teximage"); + if (egl_dri_bind_teximage) { + return egl_dri_bind_teximage(disp->Xdpy, dri_surf, psc, + buffer, + xdri_surf->Base.TextureTarget, + xdri_surf->Base.TextureFormat, + xdri_surf->Base.MipmapLevel, + xdri_surf->Base.MipmapTexture); + } + else { + /* fallback path based on glCopyTexImage() */ + /* Get/save currently bound 2D texobj name */ + glGetIntegerv_t glGetIntegerv_func = + (glGetIntegerv_t) dlsym(NULL, "glGetIntegerv"); + GLint curTexObj = 0; + if (glGetIntegerv_func) { + (*glGetIntegerv_func)(GL_TEXTURE_BINDING_2D, &curTexObj); + } + xdri_ctx->bound_tex_object = curTexObj; + } + + return EGL_FALSE; +} + + +static EGLBoolean +xdri_eglReleaseTexImage(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface, + EGLint buffer) +{ + typedef int (*release_teximage)(__DRInativeDisplay *dpy, + __DRIid surface, __DRIscreen *psc, + int buffer, int target, int format, + int level, int mipmap); + release_teximage egl_dri_release_teximage; + + _EGLDisplay *disp = _eglLookupDisplay(dpy); + + struct xdri_egl_context *xdri_ctx = current_context(); + struct xdri_egl_driver *xdri_drv = xdri_egl_driver(drv); + struct xdri_egl_surface *xdri_surf = lookup_surface(surface); + + __DRIid dri_surf = xdri_surf ? xdri_surf->driDrawable : 0; + + __GLXscreenConfigs *scrnConf = xdri_drv->glx_priv->screenConfigs; + __DRIscreen *psc = &scrnConf->driScreen; + + /* this call just does error checking */ + if (!_eglReleaseTexImage(drv, dpy, surface, buffer)) { + return EGL_FALSE; + } + + egl_dri_release_teximage = + (release_teximage) dlsym(NULL, "egl_dri_release_teximage"); + if (egl_dri_release_teximage) { + return egl_dri_release_teximage(disp->Xdpy, dri_surf, psc, + buffer, + xdri_surf->Base.TextureTarget, + xdri_surf->Base.TextureFormat, + xdri_surf->Base.MipmapLevel, + xdri_surf->Base.MipmapTexture); + } + else { + /* fallback path based on glCopyTexImage() */ + glGetIntegerv_t glGetIntegerv_func = + (glGetIntegerv_t) dlsym(NULL, "glGetIntegerv"); + glBindTexture_t glBindTexture_func = + (glBindTexture_t) dlsym(NULL, "glBindTexture"); + glCopyTexImage2D_t glCopyTexImage2D_func = + (glCopyTexImage2D_t) dlsym(NULL, "glCopyTexImage2D"); + GLint curTexObj; + GLenum intFormat; + GLint level, width, height; + + if (xdri_surf->Base.TextureFormat == EGL_TEXTURE_RGBA) + intFormat = GL_RGBA; + else + intFormat = GL_RGB; + level = xdri_surf->Base.MipmapLevel; + width = xdri_surf->Base.Width >> level; + height = xdri_surf->Base.Height >> level; + + if (width > 0 && height > 0 && + glGetIntegerv_func && glBindTexture_func && glCopyTexImage2D_func) { + glGetIntegerv_func(GL_TEXTURE_BINDING_2D, &curTexObj); + /* restore texobj from time of eglBindTexImage() call */ + if (curTexObj != xdri_ctx->bound_tex_object) + glBindTexture_func(GL_TEXTURE_2D, xdri_ctx->bound_tex_object); + /* copy pbuffer image to texture */ + glCopyTexImage2D_func(GL_TEXTURE_2D, + level, + intFormat, + 0, 0, width, height, 0); + /* restore current texture */ + if (curTexObj != xdri_ctx->bound_tex_object) + glBindTexture_func(GL_TEXTURE_2D, curTexObj); + } + xdri_ctx->bound_tex_object = -1; + } + + return EGL_FALSE; +} + + +static EGLBoolean +xdri_eglSwapBuffers(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw) +{ + _EGLDisplay *disp = _eglLookupDisplay(dpy); + + _eglLog(_EGL_DEBUG, "XDRI: EGL SwapBuffers"); + + /* error checking step: */ + if (!_eglSwapBuffers(drv, dpy, draw)) + return EGL_FALSE; + + { + struct xdri_egl_surface *xdri_surf = lookup_surface(draw); + struct xdri_egl_driver *xdri_drv = xdri_egl_driver(drv); + __GLXscreenConfigs *scrnConf = xdri_drv->glx_priv->screenConfigs; + __DRIscreen *psc = &scrnConf->driScreen; + __DRIdrawable * const pdraw = psc->getDrawable(disp->Xdpy, + xdri_surf->driDrawable, + psc->private); + + if (pdraw) + pdraw->swapBuffers(disp->Xdpy, pdraw->private); + else + _eglLog(_EGL_WARNING, "pdraw is null in SwapBuffers"); + } + + return EGL_TRUE; +} + + +/** + * This is the main entrypoint into the driver, called by libEGL. + * Create a new _EGLDriver object and init its dispatch table. + */ +_EGLDriver * +_eglMain(_EGLDisplay *disp, const char *args) +{ + struct xdri_egl_driver *xdri_drv = CALLOC_STRUCT(xdri_egl_driver); + if (!xdri_drv) + return NULL; + + /* Tell libGL to prefer the EGL drivers over regular DRI drivers */ + __glXPreferEGL(1); + + _eglInitDriverFallbacks(&xdri_drv->Base); + xdri_drv->Base.API.Initialize = xdri_eglInitialize; + xdri_drv->Base.API.Terminate = xdri_eglTerminate; + + xdri_drv->Base.API.GetProcAddress = xdri_eglGetProcAddress; + + xdri_drv->Base.API.CreateContext = xdri_eglCreateContext; + xdri_drv->Base.API.MakeCurrent = xdri_eglMakeCurrent; + xdri_drv->Base.API.CreateWindowSurface = xdri_eglCreateWindowSurface; + xdri_drv->Base.API.CreatePbufferSurface = xdri_eglCreatePbufferSurface; + xdri_drv->Base.API.DestroySurface = xdri_eglDestroySurface; + xdri_drv->Base.API.BindTexImage = xdri_eglBindTexImage; + xdri_drv->Base.API.ReleaseTexImage = xdri_eglReleaseTexImage; + xdri_drv->Base.API.SwapBuffers = xdri_eglSwapBuffers; + + xdri_drv->Base.ClientAPIsMask = (EGL_OPENGL_BIT | + EGL_OPENGL_ES_BIT | + EGL_OPENGL_ES2_BIT | + EGL_OPENVG_BIT); + xdri_drv->Base.Name = "X/DRI"; + + _eglLog(_EGL_DEBUG, "XDRI: main(%s)", args); + + return &xdri_drv->Base; +} |