--- /dev/null
+/**************************************************************************
+ *
+ * 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 coudl 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"
+
+
+
+#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) */
+
+ int chipset;
+ int minor;
+ int drmFD;
+
+ __DRIscreen driScreen;
+ __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;
+};
+
+
+/** 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;
+}
+
+
+/** 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;
+}
+
+
+
+/**
+ * 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)
+{
+ const __GLcontextModes *m;
+ __GLXdisplayPrivate *priv = __glXInitialize(disp->Xdpy);
+ __GLXscreenConfigs *scrn = priv->screenConfigs;
+ 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_NATIVE_VISUAL_ID, m->visualID);
+ SET_CONFIG_ATTRIB(&config->Base, EGL_NATIVE_VISUAL_TYPE, m->visualType);
+ /* 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)
+{
+ /* unused? */
+ return NULL;
+}
+
+
+static GLboolean
+dri_window_exists(__DRInativeDisplay *dpy, __DRIid draw)
+{
+ return EGL_TRUE;
+}
+
+
+static GLboolean
+dri_create_context(__DRInativeDisplay *dpy, int screenNum, int configID,
+ void * contextID, drm_context_t * hw_context)
+{
+ assert(configID >= 0);
+ return XF86DRICreateContextWithConfig(dpy, 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 *dpy, 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(dpy, 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)
+{
+ static const char createNewScreenName[] = "__driCreateNewScreen_20050727";
+ PFNCREATENEWSCREENFUNC createNewScreen;
+ int api_ver = 0;/*__glXGetInternalVersion();*/
+ __DRIversion ddx_version;
+ __DRIversion dri_version;
+ __DRIversion drm_version;
+ drmVersionPtr version;
+ drm_handle_t hFB;
+ int newlyopened;
+ int status;
+ __GLcontextModes *modes;
+ int scrn = DefaultScreen(disp->Xdpy);
+
+ 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);
+ }
+
+ /*
+ * 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");
+ }
+
+ /* Create the DRI screen.
+ */
+ xdri_drv->driScreen.private = createNewScreen(disp->Xdpy,
+ scrn, /* screen number */
+ &xdri_drv->driScreen,
+ NULL, /* visuals */
+ &ddx_version,
+ &dri_version,
+ &drm_version,
+ &xdri_drv->framebuffer,
+ xdri_drv->pSAREA,
+ xdri_drv->drmFD,
+ api_ver,
+ &interface_methods,
+ &modes);
+ if (!xdri_drv->driScreen.private) {
+ _eglLog(_EGL_WARNING, "XDRI: create new screen failed");
+ return EGL_FALSE;
+ }
+ else {
+ _eglLog(_EGL_DEBUG, "XDRI: create new screen success");
+ }
+
+ create_configs(disp);
+
+ /* print modes / debug */
+ if (0) {
+ __GLcontextModes *m;
+
+ for (m = modes; m; m = m->next) {
+ _eglLog(_EGL_DEBUG,
+ "mode ID 0x%x rgba %d %d %d %d z %d s %d db %d\n", m->visualID,
+ m->redBits, m->greenBits, m->blueBits, m->alphaBits,
+ m->depthBits, m->stencilBits, m->doubleBufferMode);
+ }
+ }
+
+ return EGL_TRUE;
+}
+
+
+static EGLBoolean
+load_dri_driver(struct xdri_egl_driver *xdri_drv)
+{
+ char filename[100];
+ int flags = RTLD_NOW;
+
+ 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_WARNING, "XDRI Could not open %s (%s)",
+ filename, dlerror());
+
+ return EGL_FALSE;
+ }
+ return EGL_TRUE;
+}
+
+
+/**
+ * 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;
+ }
+ }
+
+ /* choose the DRI driver to load */
+ xdri_drv->dri_driver_name = _eglChooseDRMDriver(0);
+ if (!load_dri_driver(xdri_drv))
+ return EGL_FALSE;
+
+ if (!init_drm(xdri_drv, disp))
+ return EGL_FALSE;
+
+ xdri_drv->Base.Initialized = EGL_TRUE;
+
+ snprintf(name, sizeof(name), "X/DRI:%s", xdri_drv->dri_driver_name);
+ xdri_drv->Base.Name = name;
+
+ /* we're supporting EGL 1.4 */
+ *minor = 1;
+ *major = 4;
+
+ return EGL_TRUE;
+}
+
+
+/**
+ * Called via eglTerminate(), drv->API.Terminate().
+ */
+static EGLBoolean
+xdri_eglTerminate(_EGLDriver *drv, EGLDisplay dpy)
+{
+ struct xdri_egl_driver *xdri_drv = xdri_egl_driver(drv);
+
+ _eglLog(_EGL_DEBUG, "XDRI: eglTerminate");
+
+ _eglLog(_EGL_DEBUG, "XDRI: Closing %s", xdri_drv->dri_driver_name);
+ dlclose(xdri_drv->dri_driver_handle);
+ xdri_drv->dri_driver_handle = NULL;
+
+ free((void*) xdri_drv->dri_driver_name);
+
+ return EGL_TRUE;
+}
+
+
+/**
+ * Called via eglCreateContext(), drv->API.CreateContext().
+ */
+static EGLContext
+xdri_eglCreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
+ EGLContext share_list, const EGLint *attrib_list)
+{
+ struct xdri_egl_driver *xdri_drv = xdri_egl_driver(drv);
+ _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);
+
+ xdri_ctx->driContext.private =
+ xdri_drv->driScreen.createNewContext(disp->Xdpy,
+ xdri_config->mode, renderType,
+ shared, &xdri_ctx->driContext);
+ if (!xdri_ctx->driContext.private) {
+ 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->driDrawable;
+ __DRIid read = xdri_read->driDrawable;
+ int scrn = DefaultScreen(disp->Xdpy);
+
+ if (!_eglMakeCurrent(drv, dpy, d, r, context))
+ return EGL_FALSE;
+
+
+ if (!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);
+
+ 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);
+
+ _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);
+}
+
+
+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_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);
+ __GLXdisplayPrivate *priv = __glXInitialize(disp->Xdpy);
+ __GLXscreenConfigs *scrn = priv->screenConfigs;
+ __DRIscreen *psc = &scrn->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;
+
+ _eglInitDriverFallbacks(&xdri_drv->Base);
+ xdri_drv->Base.API.Initialize = xdri_eglInitialize;
+ xdri_drv->Base.API.Terminate = xdri_eglTerminate;
+
+ 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.DestroySurface = xdri_eglDestroySurface;
+ xdri_drv->Base.API.SwapBuffers = xdri_eglSwapBuffers;
+
+ xdri_drv->Base.ClientAPIsMask = EGL_OPENGL_BIT /*| EGL_OPENGL_ES_BIT*/;
+ xdri_drv->Base.Name = "X/DRI";
+
+ _eglLog(_EGL_DEBUG, "XDRI: main(%s)", args);
+
+ return &xdri_drv->Base;
+}
projects / mesa.git / commitdiff