* Authors: Brian Paul
*/
-
#include <assert.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include "dlfcn.h"
+#include <stdlib.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 "glxinit.h"
+#include "driinit.h"
+#include "glapi/glapi.h" /* for glapi functions */
#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;
+/** driver data of _EGLDisplay */
+struct xdri_egl_display
+{
+ Display *dpy;
+ __GLXdisplayPrivate *dpyPriv;
+ __GLXDRIdisplay *driDisplay;
- __DRIframebuffer framebuffer;
- drm_handle_t hSAREA;
- drmAddress pSAREA;
- char *busID;
- drm_magic_t magic;
+ __GLXscreenConfigs *psc;
+ EGLint scr;
};
{
_EGLContext Base; /**< base class */
- __DRIcontext driContext;
+ /* just enough info to create dri contexts */
+ GLXContext dummy_gc;
- GLint bound_tex_object;
+ __GLXDRIcontext *driContext;
};
{
_EGLSurface Base; /**< base class */
- __DRIid driDrawable; /**< DRI surface */
- drm_drawable_t hDrawable;
+ Drawable drawable;
+ __GLXDRIdrawable *driDrawable;
};
/** cast wrapper */
-static struct xdri_egl_driver *
+static INLINE struct xdri_egl_driver *
xdri_egl_driver(_EGLDriver *drv)
{
return (struct xdri_egl_driver *) drv;
}
+static INLINE struct xdri_egl_display *
+lookup_display(_EGLDisplay *dpy)
+{
+ return (struct xdri_egl_display *) dpy->DriverData;
+}
+
+
/** Map EGLSurface handle to xdri_egl_surface object */
-static struct xdri_egl_surface *
-lookup_surface(EGLSurface surf)
+static INLINE struct xdri_egl_surface *
+lookup_surface(_EGLSurface *surface)
{
- _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)
+static INLINE struct xdri_egl_context *
+lookup_context(_EGLContext *context)
{
- _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)
+static INLINE struct xdri_egl_config *
+lookup_config(_EGLConfig *conf)
{
- _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)
/**
* 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 EGLint
+create_configs(_EGLDisplay *disp, const __GLcontextModes *m, EGLint first_id)
{
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;
+ int id = first_id;
- for (m = scrn->configs; m; m = m->next) {
- /* EGL requires double-buffered configs */
+ for (; m; m = m->next) {
+ /* add double buffered visual */
if (m->doubleBufferMode) {
struct xdri_egl_config *config = CALLOC_STRUCT(xdri_egl_config);
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));
+ SET_CONFIG_ATTRIB(&config->Base, EGL_SURFACE_TYPE, EGL_WINDOW_BIT);
/* XXX possibly other things to init... */
_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;
- }
+ return id;
}
/**
- * Create a linked list of 'count' GLcontextModes.
- * These are used during the client/server visual negotiation phase,
- * then discarded.
+ * Called via eglInitialize(), xdri_dpy->API.Initialize().
*/
-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)
+xdri_eglInitialize(_EGLDriver *drv, _EGLDisplay *dpy,
+ EGLint *minor, EGLint *major)
{
- __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;
+ struct xdri_egl_display *xdri_dpy;
+ __GLXdisplayPrivate *dpyPriv;
+ __GLXDRIdisplay *driDisplay;
+ __GLXscreenConfigs *psc;
+ EGLint first_id = 1;
+ int scr;
+
+ xdri_dpy = CALLOC_STRUCT(xdri_egl_display);
+ if (!xdri_dpy)
+ return _eglError(EGL_BAD_ALLOC, "eglInitialize");
+
+ xdri_dpy->dpy = (Display *) dpy->NativeDisplay;
+ if (!xdri_dpy->dpy) {
+ xdri_dpy->dpy = XOpenDisplay(NULL);
+ if (!xdri_dpy->dpy) {
+ free(xdri_dpy);
+ return _eglError(EGL_NOT_INITIALIZED, "eglInitialize");
}
- 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());
+ dpyPriv = __glXInitialize(xdri_dpy->dpy);
+ if (!dpyPriv) {
+ _eglLog(_EGL_WARNING, "failed to create GLX display");
+ free(xdri_dpy);
+ return _eglError(EGL_NOT_INITIALIZED, "eglInitialize");
}
- /* 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;
+ driDisplay = __driCreateDisplay(dpyPriv, NULL);
+ if (!driDisplay) {
+ _eglLog(_EGL_WARNING, "failed to create DRI display");
+ free(xdri_dpy);
+ return _eglError(EGL_NOT_INITIALIZED, "eglInitialize");
}
- _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];
+ scr = DefaultScreen(xdri_dpy->dpy);
+ psc = &dpyPriv->screenConfigs[scr];
- _eglLog(_EGL_DEBUG, "XDRI: eglInitialize");
+ xdri_dpy->dpyPriv = dpyPriv;
+ xdri_dpy->driDisplay = driDisplay;
+ xdri_dpy->psc = psc;
+ xdri_dpy->scr = scr;
- if (!disp->Xdpy) {
- disp->Xdpy = XOpenDisplay(NULL);
- if (!disp->Xdpy) {
- _eglLog(_EGL_WARNING, "XDRI: XOpenDisplay failed");
- return EGL_FALSE;
- }
+ psc->driScreen = driDisplay->createScreen(psc, scr, dpyPriv);
+ if (!psc->driScreen) {
+ _eglLog(_EGL_WARNING, "failed to create DRI screen #%d", scr);
+ free(xdri_dpy);
+ return _eglError(EGL_NOT_INITIALIZED, "eglInitialize");
}
-#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;
+ /* add visuals and fbconfigs */
+ first_id = create_configs(dpy, psc->visuals, first_id);
+ create_configs(dpy, psc->configs, first_id);
- 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;
+ dpy->DriverData = xdri_dpy;
+ dpy->ClientAPIsMask = (EGL_OPENGL_BIT |
+ EGL_OPENGL_ES_BIT |
+ EGL_OPENGL_ES2_BIT |
+ EGL_OPENVG_BIT);
/* we're supporting EGL 1.4 */
*minor = 1;
}
-/*
- * 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)
+xdri_eglTerminate(_EGLDriver *drv, _EGLDisplay *dpy)
{
- struct xdri_egl_driver *xdri_drv = xdri_egl_driver(drv);
- _EGLDisplay *disp = _eglLookupDisplay(dpy);
+ struct xdri_egl_display *xdri_dpy = lookup_display(dpy);
+ __GLXscreenConfigs *psc;
- _eglLog(_EGL_DEBUG, "XDRI: eglTerminate");
+ _eglReleaseDisplayResources(drv, dpy);
+ _eglCleanupDisplay(dpy);
- _eglLog(_EGL_DEBUG, "XDRI: Closing %s", xdri_drv->dri_driver_name);
-
- FreeDisplayExt(disp->Xdpy);
+ psc = xdri_dpy->psc;
+ if (psc->driver_configs) {
+ unsigned int i;
+ for (i = 0; psc->driver_configs[i]; i++)
+ free((__DRIconfig *) psc->driver_configs[i]);
+ free(psc->driver_configs);
+ psc->driver_configs = NULL;
+ }
+ if (psc->driScreen) {
+ psc->driScreen->destroyScreen(psc);
+ free(psc->driScreen);
+ psc->driScreen = NULL;
+ }
-#if 0
- /* this causes a segfault for some reason */
- dlclose(xdri_drv->dri_driver_handle);
-#endif
- xdri_drv->dri_driver_handle = NULL;
+ xdri_dpy->driDisplay->destroyDisplay(xdri_dpy->driDisplay);
+ __glXRelease(xdri_dpy->dpyPriv);
- free((void*) xdri_drv->dri_driver_name);
+ free(xdri_dpy);
+ dpy->DriverData = NULL;
return EGL_TRUE;
}
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
+ /* the symbol is defined in libGL.so */
+ return (_EGLProc) _glapi_get_proc_address(procname);
}
/**
* 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;
+static _EGLContext *
+xdri_eglCreateContext(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf,
+ _EGLContext *share_list, const EGLint *attrib_list)
+{
+ struct xdri_egl_display *xdri_dpy = lookup_display(dpy);
+ struct xdri_egl_config *xdri_config = lookup_config(conf);
+ struct xdri_egl_context *shared = lookup_context(share_list);
+ __GLXscreenConfigs *psc = xdri_dpy->psc;
int renderType = GLX_RGBA_BIT;
+ struct xdri_egl_context *xdri_ctx;
- struct xdri_egl_context *xdri_ctx = CALLOC_STRUCT(xdri_egl_context);
- if (!xdri_ctx)
- return EGL_NO_CONTEXT;
+ xdri_ctx = CALLOC_STRUCT(xdri_egl_context);
+ if (!xdri_ctx) {
+ _eglError(EGL_BAD_ALLOC, "eglCreateContext");
+ return NULL;
+ }
- if (!_eglInitContext(drv, &xdri_ctx->Base, &xdri_config->Base, attrib_list)) {
+ xdri_ctx->dummy_gc = CALLOC_STRUCT(__GLXcontextRec);
+ if (!xdri_ctx->dummy_gc) {
+ _eglError(EGL_BAD_ALLOC, "eglCreateContext");
free(xdri_ctx);
- return EGL_NO_CONTEXT;
+ return NULL;
}
- 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 (!_eglInitContext(drv, &xdri_ctx->Base, &xdri_config->Base, attrib_list)) {
+ free(xdri_ctx->dummy_gc);
+ free(xdri_ctx);
+ return NULL;
}
- if (!xdri_ctx->driContext.private) {
- _eglLog(_EGL_DEBUG, "driScreen.createNewContext failed");
+ xdri_ctx->driContext =
+ psc->driScreen->createContext(psc,
+ xdri_config->mode,
+ xdri_ctx->dummy_gc,
+ (shared) ? shared->dummy_gc : NULL,
+ renderType);
+ if (!xdri_ctx->driContext) {
+ free(xdri_ctx->dummy_gc);
free(xdri_ctx);
- return EGL_NO_CONTEXT;
+ return NULL;
}
- xdri_ctx->driContext.mode = xdri_config->mode;
+ /* fill in the required field */
+ xdri_ctx->dummy_gc->driContext = xdri_ctx->driContext;
- return _eglLinkContext(&xdri_ctx->Base, &disp);
+ return &xdri_ctx->Base;
+}
+
+
+static EGLBoolean
+xdri_eglDestroyContext(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx)
+{
+ struct xdri_egl_display *xdri_dpy = lookup_display(dpy);
+ struct xdri_egl_context *xdri_ctx = lookup_context(ctx);
+
+ if (!_eglIsContextBound(ctx)) {
+ xdri_ctx->driContext->destroyContext(xdri_ctx->driContext,
+ xdri_dpy->psc, xdri_dpy->dpy);
+ free(xdri_ctx->dummy_gc);
+ free(xdri_ctx);
+ }
+
+ return EGL_TRUE;
}
* Called via eglMakeCurrent(), drv->API.MakeCurrent().
*/
static EGLBoolean
-xdri_eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface d,
- EGLSurface r, EGLContext context)
+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);
+ struct xdri_egl_surface *draw = lookup_surface(d);
+ struct xdri_egl_surface *read = lookup_surface(r);
if (!_eglMakeCurrent(drv, dpy, d, r, context))
return EGL_FALSE;
+ /* the symbol is defined in libGL.so */
+ _glapi_check_multithread();
- if (xdri_ctx &&
- !xdri_ctx->driContext.bindContext(disp->Xdpy, scrn, draw, read,
- &xdri_ctx->driContext)) {
- return EGL_FALSE;
+ if (xdri_ctx) {
+ if (!xdri_ctx->driContext->bindContext(xdri_ctx->driContext,
+ draw->driDrawable,
+ read->driDrawable)) {
+ return EGL_FALSE;
+ }
+ }
+ else {
+ _EGLContext *old = _eglGetCurrentContext();
+ if (old) {
+ xdri_ctx = lookup_context(old);
+ xdri_ctx->driContext->unbindContext(xdri_ctx->driContext);
+ }
}
return EGL_TRUE;
/**
* Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
*/
-static EGLSurface
-xdri_eglCreateWindowSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
+static _EGLSurface *
+xdri_eglCreateWindowSurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf,
NativeWindowType window, const EGLint *attrib_list)
{
- _EGLDisplay *disp = _eglLookupDisplay(dpy);
- struct xdri_egl_config *xdri_config = lookup_config(drv, dpy, config);
+ struct xdri_egl_display *xdri_dpy = lookup_display(dpy);
+ struct xdri_egl_config *xdri_config = lookup_config(conf);
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 (!xdri_surf) {
+ _eglError(EGL_BAD_ALLOC, "eglCreateWindowSurface");
+ return NULL;
+ }
if (!_eglInitSurface(drv, &xdri_surf->Base, EGL_WINDOW_BIT,
&xdri_config->Base, attrib_list)) {
free(xdri_surf);
- return EGL_FALSE;
+ return NULL;
}
- if (!XF86DRICreateDrawable(disp->Xdpy, scrn, window, &xdri_surf->hDrawable)) {
+ xdri_surf->driDrawable =
+ xdri_dpy->psc->driScreen->createDrawable(xdri_dpy->psc,
+ (XID) window,
+ (GLXDrawable) window,
+ xdri_config->mode);
+ if (!xdri_surf->driDrawable) {
free(xdri_surf);
- return EGL_FALSE;
+ return NULL;
}
- xdri_surf->driDrawable = window;
+ xdri_surf->drawable = (Drawable) window;
- _eglLinkSurface(&xdri_surf->Base, disp);
-
- get_drawable_size(disp->Xdpy, window, &width, &height);
+ get_drawable_size(xdri_dpy->dpy, 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);
+ return &xdri_surf->Base;
}
/**
* Called via eglCreatePbufferSurface(), drv->API.CreatePbufferSurface().
*/
-static EGLSurface
-xdri_eglCreatePbufferSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
+static _EGLSurface *
+xdri_eglCreatePbufferSurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf,
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, &xdri_surf->Base, EGL_PBUFFER_BIT,
- &xdri_config->Base, 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;
-
- _eglLinkSurface(&xdri_surf->Base, disp);
-
- _eglLog(_EGL_DEBUG,
- "XDRI: CreatePbufferSurface handle %d hDrawable %d",
- _eglGetSurfaceHandle(&xdri_surf->Base),
- (int) xdri_surf->hDrawable);
-
- return _eglGetSurfaceHandle(&xdri_surf->Base);
+ return NULL;
}
static EGLBoolean
-xdri_eglDestroySurface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface)
+xdri_eglDestroySurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surface)
{
struct xdri_egl_surface *xdri_surf = lookup_surface(surface);
- if (xdri_surf) {
- _eglUnlinkSurface(&xdri_surf->Base);
- if (!_eglIsSurfaceBound(&xdri_surf->Base)) {
- /*
- st_unreference_framebuffer(surf->Framebuffer);
- */
- free(xdri_surf);
- }
- return EGL_TRUE;
- }
- else {
- _eglError(EGL_BAD_SURFACE, "eglDestroySurface");
- return EGL_FALSE;
+
+ if (!_eglIsSurfaceBound(&xdri_surf->Base)) {
+ xdri_surf->driDrawable->destroyDrawable(xdri_surf->driDrawable);
+ free(xdri_surf);
}
+
+ return EGL_TRUE;
}
static EGLBoolean
-xdri_eglBindTexImage(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface,
+xdri_eglBindTexImage(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
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,
+xdri_eglReleaseTexImage(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
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)
+xdri_eglSwapBuffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *draw)
{
- _EGLDisplay *disp = _eglLookupDisplay(dpy);
+ struct xdri_egl_display *xdri_dpy = lookup_display(dpy);
+ struct xdri_egl_surface *xdri_surf = lookup_surface(draw);
- _eglLog(_EGL_DEBUG, "XDRI: EGL SwapBuffers");
+ xdri_dpy->psc->driScreen->swapBuffers(xdri_surf->driDrawable);
- /* error checking step: */
- if (!_eglSwapBuffers(drv, dpy, draw))
- return EGL_FALSE;
+ return EGL_TRUE;
+}
- {
- 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;
+static void
+xdri_Unload(_EGLDriver *drv)
+{
+ struct xdri_egl_driver *xdri_drv = xdri_egl_driver(drv);
+ free(xdri_drv);
}
* Create a new _EGLDriver object and init its dispatch table.
*/
_EGLDriver *
-_eglMain(_EGLDisplay *disp, const char *args)
+_eglMain(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.DestroyContext = xdri_eglDestroyContext;
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.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);
+ xdri_drv->Base.Unload = xdri_Unload;
return &xdri_drv->Base;
}
--- /dev/null
+/**
+ * GLX initialization. Code based on glxext.c, glx_query.c, and
+ * glcontextmodes.c under src/glx/x11/. The major difference is that no DRI
+ * related code here.
+ *
+ */
+
+#include <assert.h>
+#include <X11/Xlib.h>
+#include <X11/Xproto.h>
+#include <X11/extensions/Xext.h>
+#include <X11/extensions/extutil.h>
+#include <sys/time.h>
+
+#include "glxinit.h"
+
+typedef struct GLXGenericGetString
+{
+ CARD8 reqType;
+ CARD8 glxCode;
+ CARD16 length B16;
+ CARD32 for_whom B32;
+ CARD32 name B32;
+} xGLXGenericGetStringReq;
+
+#define sz_xGLXGenericGetStringReq 12
+#define X_GLXGenericGetString 0
+
+/* Extension required boiler plate */
+
+static char *__glXExtensionName = GLX_EXTENSION_NAME;
+static XExtensionInfo *__glXExtensionInfo = NULL;
+
+static /* const */ XExtensionHooks __glXExtensionHooks = { NULL };
+static
+XEXT_GENERATE_FIND_DISPLAY(__glXFindDisplay, __glXExtensionInfo,
+ __glXExtensionName, &__glXExtensionHooks,
+ __GLX_NUMBER_EVENTS, NULL)
+
+static GLint
+_gl_convert_from_x_visual_type(int visualType)
+{
+#define NUM_VISUAL_TYPES 6
+ static const int glx_visual_types[NUM_VISUAL_TYPES] = {
+ GLX_STATIC_GRAY, GLX_GRAY_SCALE,
+ GLX_STATIC_COLOR, GLX_PSEUDO_COLOR,
+ GLX_TRUE_COLOR, GLX_DIRECT_COLOR
+ };
+
+ return ((unsigned) visualType < NUM_VISUAL_TYPES)
+ ? glx_visual_types[visualType] : GLX_NONE;
+}
+
+static __GLcontextModes *
+_gl_context_modes_create(unsigned count, size_t minimum_size)
+{
+ const size_t size = (minimum_size > sizeof(__GLcontextModes))
+ ? minimum_size : sizeof(__GLcontextModes);
+ __GLcontextModes *base = NULL;
+ __GLcontextModes **next;
+ unsigned i;
+
+ next = &base;
+ for (i = 0; i < count; i++) {
+ *next = (__GLcontextModes *) Xmalloc(size);
+ if (*next == NULL) {
+ _gl_context_modes_destroy(base);
+ base = NULL;
+ break;
+ }
+
+ memset(*next, 0, size);
+ (*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 = GLX_DONT_CARE;
+ (*next)->yInverted = GLX_DONT_CARE;
+
+ next = &((*next)->next);
+ }
+
+ return base;
+}
+
+_X_HIDDEN void
+_gl_context_modes_destroy(__GLcontextModes * modes)
+{
+ while (modes != NULL) {
+ __GLcontextModes *const next = modes->next;
+
+ Xfree(modes);
+ modes = next;
+ }
+}
+
+_X_HIDDEN char *
+__glXQueryServerString(Display * dpy, int opcode, CARD32 screen, CARD32 name)
+{
+ xGLXGenericGetStringReq *req;
+ xGLXSingleReply reply;
+ int length;
+ int numbytes;
+ char *buf;
+ CARD32 for_whom = screen;
+ CARD32 glxCode = X_GLXQueryServerString;
+
+
+ LockDisplay(dpy);
+
+
+ /* All of the GLX protocol requests for getting a string from the server
+ * look the same. The exact meaning of the for_whom field is usually
+ * either the screen number (for glXQueryServerString) or the context tag
+ * (for GLXSingle).
+ */
+
+ GetReq(GLXGenericGetString, req);
+ req->reqType = opcode;
+ req->glxCode = glxCode;
+ req->for_whom = for_whom;
+ req->name = name;
+
+ _XReply(dpy, (xReply *) & reply, 0, False);
+
+ length = reply.length * 4;
+ numbytes = reply.size;
+
+ buf = (char *) Xmalloc(numbytes);
+ if (buf != NULL) {
+ _XRead(dpy, buf, numbytes);
+ length -= numbytes;
+ }
+
+ _XEatData(dpy, length);
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ return buf;
+}
+
+/************************************************************************/
+/*
+** Free the per screen configs data as well as the array of
+** __glXScreenConfigs.
+*/
+static void
+FreeScreenConfigs(__GLXdisplayPrivate * priv)
+{
+ __GLXscreenConfigs *psc;
+ GLint i, screens;
+
+ /* Free screen configuration information */
+ psc = priv->screenConfigs;
+ screens = ScreenCount(priv->dpy);
+ for (i = 0; i < screens; i++, psc++) {
+ if (psc->configs) {
+ _gl_context_modes_destroy(psc->configs);
+ psc->configs = NULL; /* NOTE: just for paranoia */
+ }
+ if (psc->visuals) {
+ _gl_context_modes_destroy(psc->visuals);
+ psc->visuals = NULL; /* NOTE: just for paranoia */
+ }
+ Xfree((char *) psc->serverGLXexts);
+ }
+ XFree((char *) priv->screenConfigs);
+ priv->screenConfigs = NULL;
+}
+
+/************************************************************************/
+
+/*
+** Query the version of the GLX extension. This procedure works even if
+** the client extension is not completely set up.
+*/
+static Bool
+QueryVersion(Display * dpy, int opcode, int *major, int *minor)
+{
+ xGLXQueryVersionReq *req;
+ xGLXQueryVersionReply reply;
+
+ /* Send the glXQueryVersion request */
+ LockDisplay(dpy);
+ GetReq(GLXQueryVersion, req);
+ req->reqType = opcode;
+ req->glxCode = X_GLXQueryVersion;
+ req->majorVersion = GLX_MAJOR_VERSION;
+ req->minorVersion = GLX_MINOR_VERSION;
+ _XReply(dpy, (xReply *) & reply, 0, False);
+ UnlockDisplay(dpy);
+ SyncHandle();
+
+ if (reply.majorVersion != GLX_MAJOR_VERSION) {
+ /*
+ ** The server does not support the same major release as this
+ ** client.
+ */
+ return GL_FALSE;
+ }
+ *major = reply.majorVersion;
+ *minor = min(reply.minorVersion, GLX_MINOR_VERSION);
+ return GL_TRUE;
+}
+
+_X_HIDDEN void
+__glXInitializeVisualConfigFromTags(__GLcontextModes * config, int count,
+ const INT32 * bp, Bool tagged_only,
+ Bool fbconfig_style_tags)
+{
+ int i;
+
+ if (!tagged_only) {
+ /* Copy in the first set of properties */
+ config->visualID = *bp++;
+
+ config->visualType = _gl_convert_from_x_visual_type(*bp++);
+
+ config->rgbMode = *bp++;
+
+ config->redBits = *bp++;
+ config->greenBits = *bp++;
+ config->blueBits = *bp++;
+ config->alphaBits = *bp++;
+ config->accumRedBits = *bp++;
+ config->accumGreenBits = *bp++;
+ config->accumBlueBits = *bp++;
+ config->accumAlphaBits = *bp++;
+
+ config->doubleBufferMode = *bp++;
+ config->stereoMode = *bp++;
+
+ config->rgbBits = *bp++;
+ config->depthBits = *bp++;
+ config->stencilBits = *bp++;
+ config->numAuxBuffers = *bp++;
+ config->level = *bp++;
+
+ count -= __GLX_MIN_CONFIG_PROPS;
+ }
+
+ /*
+ ** Additional properties may be in a list at the end
+ ** of the reply. They are in pairs of property type
+ ** and property value.
+ */
+
+#define FETCH_OR_SET(tag) \
+ config-> tag = ( fbconfig_style_tags ) ? *bp++ : 1
+
+ for (i = 0; i < count; i += 2) {
+ switch (*bp++) {
+ case GLX_RGBA:
+ FETCH_OR_SET(rgbMode);
+ break;
+ case GLX_BUFFER_SIZE:
+ config->rgbBits = *bp++;
+ break;
+ case GLX_LEVEL:
+ config->level = *bp++;
+ break;
+ case GLX_DOUBLEBUFFER:
+ FETCH_OR_SET(doubleBufferMode);
+ break;
+ case GLX_STEREO:
+ FETCH_OR_SET(stereoMode);
+ break;
+ case GLX_AUX_BUFFERS:
+ config->numAuxBuffers = *bp++;
+ break;
+ case GLX_RED_SIZE:
+ config->redBits = *bp++;
+ break;
+ case GLX_GREEN_SIZE:
+ config->greenBits = *bp++;
+ break;
+ case GLX_BLUE_SIZE:
+ config->blueBits = *bp++;
+ break;
+ case GLX_ALPHA_SIZE:
+ config->alphaBits = *bp++;
+ break;
+ case GLX_DEPTH_SIZE:
+ config->depthBits = *bp++;
+ break;
+ case GLX_STENCIL_SIZE:
+ config->stencilBits = *bp++;
+ break;
+ case GLX_ACCUM_RED_SIZE:
+ config->accumRedBits = *bp++;
+ break;
+ case GLX_ACCUM_GREEN_SIZE:
+ config->accumGreenBits = *bp++;
+ break;
+ case GLX_ACCUM_BLUE_SIZE:
+ config->accumBlueBits = *bp++;
+ break;
+ case GLX_ACCUM_ALPHA_SIZE:
+ config->accumAlphaBits = *bp++;
+ break;
+ case GLX_VISUAL_CAVEAT_EXT:
+ config->visualRating = *bp++;
+ break;
+ case GLX_X_VISUAL_TYPE:
+ config->visualType = *bp++;
+ break;
+ case GLX_TRANSPARENT_TYPE:
+ config->transparentPixel = *bp++;
+ break;
+ case GLX_TRANSPARENT_INDEX_VALUE:
+ config->transparentIndex = *bp++;
+ break;
+ case GLX_TRANSPARENT_RED_VALUE:
+ config->transparentRed = *bp++;
+ break;
+ case GLX_TRANSPARENT_GREEN_VALUE:
+ config->transparentGreen = *bp++;
+ break;
+ case GLX_TRANSPARENT_BLUE_VALUE:
+ config->transparentBlue = *bp++;
+ break;
+ case GLX_TRANSPARENT_ALPHA_VALUE:
+ config->transparentAlpha = *bp++;
+ break;
+ case GLX_VISUAL_ID:
+ config->visualID = *bp++;
+ break;
+ case GLX_DRAWABLE_TYPE:
+ config->drawableType = *bp++;
+ break;
+ case GLX_RENDER_TYPE:
+ config->renderType = *bp++;
+ break;
+ case GLX_X_RENDERABLE:
+ config->xRenderable = *bp++;
+ break;
+ case GLX_FBCONFIG_ID:
+ config->fbconfigID = *bp++;
+ break;
+ case GLX_MAX_PBUFFER_WIDTH:
+ config->maxPbufferWidth = *bp++;
+ break;
+ case GLX_MAX_PBUFFER_HEIGHT:
+ config->maxPbufferHeight = *bp++;
+ break;
+ case GLX_MAX_PBUFFER_PIXELS:
+ config->maxPbufferPixels = *bp++;
+ break;
+ case GLX_OPTIMAL_PBUFFER_WIDTH_SGIX:
+ config->optimalPbufferWidth = *bp++;
+ break;
+ case GLX_OPTIMAL_PBUFFER_HEIGHT_SGIX:
+ config->optimalPbufferHeight = *bp++;
+ break;
+ case GLX_VISUAL_SELECT_GROUP_SGIX:
+ config->visualSelectGroup = *bp++;
+ break;
+ case GLX_SWAP_METHOD_OML:
+ config->swapMethod = *bp++;
+ break;
+ case GLX_SAMPLE_BUFFERS_SGIS:
+ config->sampleBuffers = *bp++;
+ break;
+ case GLX_SAMPLES_SGIS:
+ config->samples = *bp++;
+ break;
+ case GLX_BIND_TO_TEXTURE_RGB_EXT:
+ config->bindToTextureRgb = *bp++;
+ break;
+ case GLX_BIND_TO_TEXTURE_RGBA_EXT:
+ config->bindToTextureRgba = *bp++;
+ break;
+ case GLX_BIND_TO_MIPMAP_TEXTURE_EXT:
+ config->bindToMipmapTexture = *bp++;
+ break;
+ case GLX_BIND_TO_TEXTURE_TARGETS_EXT:
+ config->bindToTextureTargets = *bp++;
+ break;
+ case GLX_Y_INVERTED_EXT:
+ config->yInverted = *bp++;
+ break;
+ case None:
+ i = count;
+ break;
+ default:
+ break;
+ }
+ }
+
+ config->renderType =
+ (config->rgbMode) ? GLX_RGBA_BIT : GLX_COLOR_INDEX_BIT;
+
+ config->haveAccumBuffer = ((config->accumRedBits +
+ config->accumGreenBits +
+ config->accumBlueBits +
+ config->accumAlphaBits) > 0);
+ config->haveDepthBuffer = (config->depthBits > 0);
+ config->haveStencilBuffer = (config->stencilBits > 0);
+}
+
+static __GLcontextModes *
+createConfigsFromProperties(Display * dpy, int nvisuals, int nprops,
+ int screen, GLboolean tagged_only)
+{
+ INT32 buf[__GLX_TOTAL_CONFIG], *props;
+ unsigned prop_size;
+ __GLcontextModes *modes, *m;
+ int i;
+
+ if (nprops == 0)
+ return NULL;
+
+ /* FIXME: Is the __GLX_MIN_CONFIG_PROPS test correct for FBconfigs? */
+
+ /* Check number of properties */
+ if (nprops < __GLX_MIN_CONFIG_PROPS || nprops > __GLX_MAX_CONFIG_PROPS)
+ return NULL;
+
+ /* Allocate memory for our config structure */
+ modes = _gl_context_modes_create(nvisuals, sizeof(__GLcontextModes));
+ if (!modes)
+ return NULL;
+
+ prop_size = nprops * __GLX_SIZE_INT32;
+ if (prop_size <= sizeof(buf))
+ props = buf;
+ else
+ props = Xmalloc(prop_size);
+
+ /* Read each config structure and convert it into our format */
+ m = modes;
+ for (i = 0; i < nvisuals; i++) {
+ _XRead(dpy, (char *) props, prop_size);
+ /* Older X servers don't send this so we default it here. */
+ m->drawableType = GLX_WINDOW_BIT;
+ __glXInitializeVisualConfigFromTags(m, nprops, props,
+ tagged_only, GL_TRUE);
+ m->screen = screen;
+ m = m->next;
+ }
+
+ if (props != buf)
+ Xfree(props);
+
+ return modes;
+}
+
+static GLboolean
+getVisualConfigs(Display * dpy, __GLXdisplayPrivate * priv, int screen)
+{
+ xGLXGetVisualConfigsReq *req;
+ __GLXscreenConfigs *psc;
+ xGLXGetVisualConfigsReply reply;
+
+ LockDisplay(dpy);
+
+ psc = priv->screenConfigs + screen;
+ psc->visuals = NULL;
+ GetReq(GLXGetVisualConfigs, req);
+ req->reqType = priv->majorOpcode;
+ req->glxCode = X_GLXGetVisualConfigs;
+ req->screen = screen;
+
+ if (!_XReply(dpy, (xReply *) & reply, 0, False))
+ goto out;
+
+ psc->visuals = createConfigsFromProperties(dpy,
+ reply.numVisuals,
+ reply.numProps,
+ screen, GL_FALSE);
+
+ out:
+ UnlockDisplay(dpy);
+ return psc->visuals != NULL;
+}
+
+static GLboolean
+getFBConfigs(Display * dpy, __GLXdisplayPrivate * priv, int screen)
+{
+ xGLXGetFBConfigsReq *fb_req;
+ xGLXGetFBConfigsSGIXReq *sgi_req;
+ xGLXVendorPrivateWithReplyReq *vpreq;
+ xGLXGetFBConfigsReply reply;
+ __GLXscreenConfigs *psc;
+
+ psc = priv->screenConfigs + screen;
+ psc->serverGLXexts =
+ __glXQueryServerString(dpy, priv->majorOpcode, screen, GLX_EXTENSIONS);
+
+ LockDisplay(dpy);
+
+ psc->configs = NULL;
+ if (atof(priv->serverGLXversion) >= 1.3) {
+ GetReq(GLXGetFBConfigs, fb_req);
+ fb_req->reqType = priv->majorOpcode;
+ fb_req->glxCode = X_GLXGetFBConfigs;
+ fb_req->screen = screen;
+ }
+ else if (strstr(psc->serverGLXexts, "GLX_SGIX_fbconfig") != NULL) {
+ GetReqExtra(GLXVendorPrivateWithReply,
+ sz_xGLXGetFBConfigsSGIXReq +
+ sz_xGLXVendorPrivateWithReplyReq, vpreq);
+ sgi_req = (xGLXGetFBConfigsSGIXReq *) vpreq;
+ sgi_req->reqType = priv->majorOpcode;
+ sgi_req->glxCode = X_GLXVendorPrivateWithReply;
+ sgi_req->vendorCode = X_GLXvop_GetFBConfigsSGIX;
+ sgi_req->screen = screen;
+ }
+ else
+ goto out;
+
+ if (!_XReply(dpy, (xReply *) & reply, 0, False))
+ goto out;
+
+ psc->configs = createConfigsFromProperties(dpy,
+ reply.numFBConfigs,
+ reply.numAttribs * 2,
+ screen, GL_TRUE);
+
+ out:
+ UnlockDisplay(dpy);
+ return psc->configs != NULL;
+}
+
+static GLboolean
+AllocAndFetchScreenConfigs(Display * dpy, __GLXdisplayPrivate * priv)
+{
+ __GLXscreenConfigs *psc;
+ GLint i, screens;
+
+ /*
+ ** First allocate memory for the array of per screen configs.
+ */
+ screens = ScreenCount(dpy);
+ psc = (__GLXscreenConfigs *) Xmalloc(screens * sizeof(__GLXscreenConfigs));
+ if (!psc) {
+ return GL_FALSE;
+ }
+ memset(psc, 0, screens * sizeof(__GLXscreenConfigs));
+ priv->screenConfigs = psc;
+
+ priv->serverGLXversion =
+ __glXQueryServerString(dpy, priv->majorOpcode, 0, GLX_VERSION);
+ if (priv->serverGLXversion == NULL) {
+ FreeScreenConfigs(priv);
+ return GL_FALSE;
+ }
+
+ for (i = 0; i < screens; i++, psc++) {
+ getFBConfigs(dpy, priv, i);
+ getVisualConfigs(dpy, priv, i);
+ psc->scr = i;
+ psc->dpy = dpy;
+ }
+
+ SyncHandle();
+
+ return GL_TRUE;
+}
+
+_X_HIDDEN void
+__glXRelease(__GLXdisplayPrivate *dpyPriv)
+{
+ FreeScreenConfigs(dpyPriv);
+
+ if (dpyPriv->serverGLXvendor) {
+ Xfree((char *) dpyPriv->serverGLXvendor);
+ dpyPriv->serverGLXvendor = NULL;
+ }
+ if (dpyPriv->serverGLXversion) {
+ Xfree((char *) dpyPriv->serverGLXversion);
+ dpyPriv->serverGLXversion = NULL;
+ }
+
+ Xfree(dpyPriv);
+}
+
+_X_HIDDEN __GLXdisplayPrivate *
+__glXInitialize(Display * dpy)
+{
+ XExtDisplayInfo *info = __glXFindDisplay(dpy);
+ __GLXdisplayPrivate *dpyPriv;
+ int major, minor;
+
+ if (!XextHasExtension(info))
+ return NULL;
+
+ /* See if the versions are compatible */
+ if (!QueryVersion(dpy, info->codes->major_opcode, &major, &minor))
+ return NULL;
+
+ dpyPriv = (__GLXdisplayPrivate *) Xcalloc(1, sizeof(__GLXdisplayPrivate));
+ if (!dpyPriv)
+ return NULL;
+
+ /*
+ ** Init the display private and then read in the screen config
+ ** structures from the server.
+ */
+ dpyPriv->majorOpcode = info->codes->major_opcode;
+ dpyPriv->majorVersion = major;
+ dpyPriv->minorVersion = minor;
+ dpyPriv->dpy = dpy;
+
+ dpyPriv->serverGLXvendor = NULL;
+ dpyPriv->serverGLXversion = NULL;
+
+ if (!AllocAndFetchScreenConfigs(dpy, dpyPriv)) {
+ Xfree(dpyPriv);
+ return NULL;
+ }
+
+ return dpyPriv;
+}
projects / mesa.git / commitdiff