/*
** Copyright 2007, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#define ATRACE_TAG ATRACE_TAG_GRAPHICS
#include <dlfcn.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <hardware/gralloc.h>
#include <system/window.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <cutils/log.h>
#include <cutils/atomic.h>
#include <cutils/compiler.h>
#include <cutils/properties.h>
#include <cutils/memory.h>
#include <utils/KeyedVector.h>
#include <utils/SortedVector.h>
#include <utils/String8.h>
#include <utils/Trace.h>
#include "../egl_impl.h"
#include "../glestrace.h"
#include "../hooks.h"
#include "egl_display.h"
#include "egl_object.h"
#include "egl_tls.h"
#include "egldefs.h"
using namespace android;
// This extension has not been ratified yet, so can't be shipped.
// Implementation is incomplete and untested.
#define ENABLE_EGL_KHR_GL_COLORSPACE 0
// ----------------------------------------------------------------------------
namespace android {
struct extention_map_t {
const char* name;
__eglMustCastToProperFunctionPointerType address;
};
/*
* This is the list of EGL extensions exposed to applications.
*
* Some of them (gBuiltinExtensionString) are implemented entirely in this EGL
* wrapper and are always available.
*
* The rest (gExtensionString) depend on support in the EGL driver, and are
* only available if the driver supports them. However, some of these must be
* supported because they are used by the Android system itself; these are
* listd as mandatory below and are required by the CDD. The system *assumes*
* the mandatory extensions are present and may not function properly if some
* are missing.
*
* NOTE: Both strings MUST have a single space as the last character.
*/
extern char const * const gBuiltinExtensionString =
"EGL_KHR_get_all_proc_addresses "
"EGL_ANDROID_presentation_time "
;
extern char const * const gExtensionString =
"EGL_KHR_image " // mandatory
"EGL_KHR_image_base " // mandatory
"EGL_KHR_image_pixmap "
"EGL_KHR_lock_surface "
#if (ENABLE_EGL_KHR_GL_COLORSPACE != 0)
"EGL_KHR_gl_colorspace "
#endif
"EGL_KHR_gl_texture_2D_image "
"EGL_KHR_gl_texture_cubemap_image "
"EGL_KHR_gl_renderbuffer_image "
"EGL_KHR_reusable_sync "
"EGL_KHR_fence_sync "
"EGL_KHR_create_context "
"EGL_EXT_create_context_robustness "
"EGL_NV_system_time "
"EGL_ANDROID_image_native_buffer " // mandatory
"EGL_KHR_wait_sync " // strongly recommended
"EGL_ANDROID_recordable " // mandatory
;
// extensions not exposed to applications but used by the ANDROID system
// "EGL_ANDROID_blob_cache " // strongly recommended
// "EGL_IMG_hibernate_process " // optional
// "EGL_ANDROID_native_fence_sync " // strongly recommended
// "EGL_ANDROID_framebuffer_target " // mandatory for HWC 1.1
// "EGL_ANDROID_image_crop " // optional
/*
* EGL Extensions entry-points exposed to 3rd party applications
* (keep in sync with gExtensionString above)
*
*/
static const extention_map_t sExtensionMap[] = {
// EGL_KHR_lock_surface
{ "eglLockSurfaceKHR",
(__eglMustCastToProperFunctionPointerType)&eglLockSurfaceKHR },
{ "eglUnlockSurfaceKHR",
(__eglMustCastToProperFunctionPointerType)&eglUnlockSurfaceKHR },
// EGL_KHR_image, EGL_KHR_image_base
{ "eglCreateImageKHR",
(__eglMustCastToProperFunctionPointerType)&eglCreateImageKHR },
{ "eglDestroyImageKHR",
(__eglMustCastToProperFunctionPointerType)&eglDestroyImageKHR },
// EGL_KHR_reusable_sync, EGL_KHR_fence_sync
{ "eglCreateSyncKHR",
(__eglMustCastToProperFunctionPointerType)&eglCreateSyncKHR },
{ "eglDestroySyncKHR",
(__eglMustCastToProperFunctionPointerType)&eglDestroySyncKHR },
{ "eglClientWaitSyncKHR",
(__eglMustCastToProperFunctionPointerType)&eglClientWaitSyncKHR },
{ "eglSignalSyncKHR",
(__eglMustCastToProperFunctionPointerType)&eglSignalSyncKHR },
{ "eglGetSyncAttribKHR",
(__eglMustCastToProperFunctionPointerType)&eglGetSyncAttribKHR },
// EGL_NV_system_time
{ "eglGetSystemTimeFrequencyNV",
(__eglMustCastToProperFunctionPointerType)&eglGetSystemTimeFrequencyNV },
{ "eglGetSystemTimeNV",
(__eglMustCastToProperFunctionPointerType)&eglGetSystemTimeNV },
// EGL_KHR_wait_sync
{ "eglWaitSyncKHR",
(__eglMustCastToProperFunctionPointerType)&eglWaitSyncKHR },
// EGL_ANDROID_presentation_time
{ "eglPresentationTimeANDROID",
(__eglMustCastToProperFunctionPointerType)&eglPresentationTimeANDROID },
};
/*
* These extensions entry-points should not be exposed to applications.
* They're used internally by the Android EGL layer.
*/
#define FILTER_EXTENSIONS(procname) \
(!strcmp((procname), "eglSetBlobCacheFuncsANDROID") || \
!strcmp((procname), "eglHibernateProcessIMG") || \
!strcmp((procname), "eglAwakenProcessIMG") || \
!strcmp((procname), "eglDupNativeFenceFDANDROID"))
// accesses protected by sExtensionMapMutex
static DefaultKeyedVector<String8, __eglMustCastToProperFunctionPointerType> sGLExtentionMap;
static int sGLExtentionSlot = 0;
static pthread_mutex_t sExtensionMapMutex = PTHREAD_MUTEX_INITIALIZER;
static void(*findProcAddress(const char* name,
const extention_map_t* map, size_t n))() {
for (uint32_t i=0 ; i<n ; i++) {
if (!strcmp(name, map[i].name)) {
return map[i].address;
}
}
return NULL;
}
// ----------------------------------------------------------------------------
extern void setGLHooksThreadSpecific(gl_hooks_t const *value);
extern EGLBoolean egl_init_drivers();
extern const __eglMustCastToProperFunctionPointerType gExtensionForwarders[MAX_NUMBER_OF_GL_EXTENSIONS];
extern int getEGLDebugLevel();
extern void setEGLDebugLevel(int level);
extern gl_hooks_t gHooksTrace;
} // namespace android;
// ----------------------------------------------------------------------------
static inline void clearError() { egl_tls_t::clearError(); }
static inline EGLContext getContext() { return egl_tls_t::getContext(); }
// ----------------------------------------------------------------------------
EGLDisplay eglGetDisplay(EGLNativeDisplayType display)
{
clearError();
uintptr_t index = reinterpret_cast<uintptr_t>(display);
if (index >= NUM_DISPLAYS) {
return setError(EGL_BAD_PARAMETER, EGL_NO_DISPLAY);
}
if (egl_init_drivers() == EGL_FALSE) {
return setError(EGL_BAD_PARAMETER, EGL_NO_DISPLAY);
}
EGLDisplay dpy = egl_display_t::getFromNativeDisplay(display);
return dpy;
}
// ----------------------------------------------------------------------------
// Initialization
// ----------------------------------------------------------------------------
EGLBoolean eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor)
{
clearError();
egl_display_ptr dp = get_display(dpy);
if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
EGLBoolean res = dp->initialize(major, minor);
return res;
}
EGLBoolean eglTerminate(EGLDisplay dpy)
{
// NOTE: don't unload the drivers b/c some APIs can be called
// after eglTerminate() has been called. eglTerminate() only
// terminates an EGLDisplay, not a EGL itself.
clearError();
egl_display_ptr dp = get_display(dpy);
if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
EGLBoolean res = dp->terminate();
return res;
}
// ----------------------------------------------------------------------------
// configuration
// ----------------------------------------------------------------------------
EGLBoolean eglGetConfigs( EGLDisplay dpy,
EGLConfig *configs,
EGLint config_size, EGLint *num_config)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
if (num_config==0) {
return setError(EGL_BAD_PARAMETER, EGL_FALSE);
}
EGLBoolean res = EGL_FALSE;
*num_config = 0;
egl_connection_t* const cnx = &gEGLImpl;
if (cnx->dso) {
res = cnx->egl.eglGetConfigs(
dp->disp.dpy, configs, config_size, num_config);
}
return res;
}
EGLBoolean eglChooseConfig( EGLDisplay dpy, const EGLint *attrib_list,
EGLConfig *configs, EGLint config_size,
EGLint *num_config)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
if (num_config==0) {
return setError(EGL_BAD_PARAMETER, EGL_FALSE);
}
EGLBoolean res = EGL_FALSE;
*num_config = 0;
egl_connection_t* const cnx = &gEGLImpl;
if (cnx->dso) {
if (attrib_list) {
char value[PROPERTY_VALUE_MAX];
property_get("debug.egl.force_msaa", value, "false");
if (!strcmp(value, "true")) {
size_t attribCount = 0;
EGLint attrib = attrib_list[0];
// Only enable MSAA if the context is OpenGL ES 2.0 and
// if no caveat is requested
const EGLint *attribRendererable = NULL;
const EGLint *attribCaveat = NULL;
// Count the number of attributes and look for
// EGL_RENDERABLE_TYPE and EGL_CONFIG_CAVEAT
while (attrib != EGL_NONE) {
attrib = attrib_list[attribCount];
switch (attrib) {
case EGL_RENDERABLE_TYPE:
attribRendererable = &attrib_list[attribCount];
break;
case EGL_CONFIG_CAVEAT:
attribCaveat = &attrib_list[attribCount];
break;
}
attribCount++;
}
if (attribRendererable && attribRendererable[1] == EGL_OPENGL_ES2_BIT &&
(!attribCaveat || attribCaveat[1] != EGL_NONE)) {
// Insert 2 extra attributes to force-enable MSAA 4x
EGLint aaAttribs[attribCount + 4];
aaAttribs[0] = EGL_SAMPLE_BUFFERS;
aaAttribs[1] = 1;
aaAttribs[2] = EGL_SAMPLES;
aaAttribs[3] = 4;
memcpy(&aaAttribs[4], attrib_list, attribCount * sizeof(EGLint));
EGLint numConfigAA;
EGLBoolean resAA = cnx->egl.eglChooseConfig(
dp->disp.dpy, aaAttribs, configs, config_size, &numConfigAA);
if (resAA == EGL_TRUE && numConfigAA > 0) {
ALOGD("Enabling MSAA 4x");
*num_config = numConfigAA;
return resAA;
}
}
}
}
res = cnx->egl.eglChooseConfig(
dp->disp.dpy, attrib_list, configs, config_size, num_config);
}
return res;
}
EGLBoolean eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config,
EGLint attribute, EGLint *value)
{
clearError();
egl_connection_t* cnx = NULL;
const egl_display_ptr dp = validate_display_connection(dpy, cnx);
if (!dp) return EGL_FALSE;
return cnx->egl.eglGetConfigAttrib(
dp->disp.dpy, config, attribute, value);
}
// ----------------------------------------------------------------------------
// surfaces
// ----------------------------------------------------------------------------
// The EGL_KHR_gl_colorspace spec hasn't been ratified yet, so these haven't
// been added to the Khronos egl.h.
#define EGL_GL_COLORSPACE_KHR EGL_VG_COLORSPACE
#define EGL_GL_COLORSPACE_SRGB_KHR EGL_VG_COLORSPACE_sRGB
#define EGL_GL_COLORSPACE_LINEAR_KHR EGL_VG_COLORSPACE_LINEAR
// Turn linear formats into corresponding sRGB formats when colorspace is
// EGL_GL_COLORSPACE_SRGB_KHR, or turn sRGB formats into corresponding linear
// formats when colorspace is EGL_GL_COLORSPACE_LINEAR_KHR. In any cases where
// the modification isn't possible, the original format is returned.
static int modifyFormatColorspace(int fmt, EGLint colorspace) {
if (colorspace == EGL_GL_COLORSPACE_LINEAR_KHR) {
switch (fmt) {
case HAL_PIXEL_FORMAT_sRGB_A_8888: return HAL_PIXEL_FORMAT_RGBA_8888;
case HAL_PIXEL_FORMAT_sRGB_X_8888: return HAL_PIXEL_FORMAT_RGBX_8888;
}
} else if (colorspace == EGL_GL_COLORSPACE_SRGB_KHR) {
switch (fmt) {
case HAL_PIXEL_FORMAT_RGBA_8888: return HAL_PIXEL_FORMAT_sRGB_A_8888;
case HAL_PIXEL_FORMAT_RGBX_8888: return HAL_PIXEL_FORMAT_sRGB_X_8888;
}
}
return fmt;
}
EGLSurface eglCreateWindowSurface( EGLDisplay dpy, EGLConfig config,
NativeWindowType window,
const EGLint *attrib_list)
{
clearError();
egl_connection_t* cnx = NULL;
egl_display_ptr dp = validate_display_connection(dpy, cnx);
if (dp) {
EGLDisplay iDpy = dp->disp.dpy;
int result = native_window_api_connect(window, NATIVE_WINDOW_API_EGL);
if (result != OK) {
ALOGE("eglCreateWindowSurface: native_window_api_connect (win=%p) "
"failed (%#x) (already connected to another API?)",
window, result);
return setError(EGL_BAD_ALLOC, EGL_NO_SURFACE);
}
// Set the native window's buffers format to match what this config requests.
// Whether to use sRGB gamma is not part of the EGLconfig, but is part
// of our native format. So if sRGB gamma is requested, we have to
// modify the EGLconfig's format before setting the native window's
// format.
#if WORKAROUND_BUG_10194508
#warning "WORKAROUND_10194508 enabled"
EGLint format;
if (!cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_NATIVE_VISUAL_ID,
&format)) {
ALOGE("eglGetConfigAttrib(EGL_NATIVE_VISUAL_ID) failed: %#x",
eglGetError());
format = 0;
}
if (attrib_list) {
for (const EGLint* attr = attrib_list; *attr != EGL_NONE;
attr += 2) {
if (*attr == EGL_GL_COLORSPACE_KHR &&
dp->haveExtension("EGL_KHR_gl_colorspace")) {
if (ENABLE_EGL_KHR_GL_COLORSPACE) {
format = modifyFormatColorspace(format, *(attr+1));
} else {
// Normally we'd pass through unhandled attributes to
// the driver. But in case the driver implements this
// extension but we're disabling it, we want to prevent
// it getting through -- support will be broken without
// our help.
ALOGE("sRGB window surfaces not supported");
return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
}
}
}
}
#else
// by default, just pick RGBA_8888
EGLint format = HAL_PIXEL_FORMAT_RGBA_8888;
EGLint a = 0;
cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_ALPHA_SIZE, &a);
if (a > 0) {
// alpha-channel requested, there's really only one suitable format
format = HAL_PIXEL_FORMAT_RGBA_8888;
} else {
EGLint r, g, b;
r = g = b = 0;
cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_RED_SIZE, &r);
cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_GREEN_SIZE, &g);
cnx->egl.eglGetConfigAttrib(iDpy, config, EGL_BLUE_SIZE, &b);
EGLint colorDepth = r + g + b;
if (colorDepth <= 16) {
format = HAL_PIXEL_FORMAT_RGB_565;
} else {
format = HAL_PIXEL_FORMAT_RGBX_8888;
}
}
// now select a corresponding sRGB format if needed
if (attrib_list && dp->haveExtension("EGL_KHR_gl_colorspace")) {
for (const EGLint* attr = attrib_list; *attr != EGL_NONE; attr += 2) {
if (*attr == EGL_GL_COLORSPACE_KHR) {
if (ENABLE_EGL_KHR_GL_COLORSPACE) {
format = modifyFormatColorspace(format, *(attr+1));
} else {
// Normally we'd pass through unhandled attributes to
// the driver. But in case the driver implements this
// extension but we're disabling it, we want to prevent
// it getting through -- support will be broken without
// our help.
ALOGE("sRGB window surfaces not supported");
return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
}
}
}
}
#endif
if (format != 0) {
int err = native_window_set_buffers_format(window, format);
if (err != 0) {
ALOGE("error setting native window pixel format: %s (%d)",
strerror(-err), err);
native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
}
}
// the EGL spec requires that a new EGLSurface default to swap interval
// 1, so explicitly set that on the window here.
ANativeWindow* anw = reinterpret_cast<ANativeWindow*>(window);
anw->setSwapInterval(anw, 1);
EGLSurface surface = cnx->egl.eglCreateWindowSurface(
iDpy, config, window, attrib_list);
if (surface != EGL_NO_SURFACE) {
egl_surface_t* s = new egl_surface_t(dp.get(), config, window,
surface, cnx);
return s;
}
// EGLSurface creation failed
native_window_set_buffers_format(window, 0);
native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
}
return EGL_NO_SURFACE;
}
EGLSurface eglCreatePixmapSurface( EGLDisplay dpy, EGLConfig config,
NativePixmapType pixmap,
const EGLint *attrib_list)
{
clearError();
egl_connection_t* cnx = NULL;
egl_display_ptr dp = validate_display_connection(dpy, cnx);
if (dp) {
EGLSurface surface = cnx->egl.eglCreatePixmapSurface(
dp->disp.dpy, config, pixmap, attrib_list);
if (surface != EGL_NO_SURFACE) {
egl_surface_t* s = new egl_surface_t(dp.get(), config, NULL,
surface, cnx);
return s;
}
}
return EGL_NO_SURFACE;
}
EGLSurface eglCreatePbufferSurface( EGLDisplay dpy, EGLConfig config,
const EGLint *attrib_list)
{
clearError();
egl_connection_t* cnx = NULL;
egl_display_ptr dp = validate_display_connection(dpy, cnx);
if (dp) {
EGLSurface surface = cnx->egl.eglCreatePbufferSurface(
dp->disp.dpy, config, attrib_list);
if (surface != EGL_NO_SURFACE) {
egl_surface_t* s = new egl_surface_t(dp.get(), config, NULL,
surface, cnx);
return s;
}
}
return EGL_NO_SURFACE;
}
EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface surface)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
SurfaceRef _s(dp.get(), surface);
if (!_s.get())
return setError(EGL_BAD_SURFACE, EGL_FALSE);
egl_surface_t * const s = get_surface(surface);
EGLBoolean result = s->cnx->egl.eglDestroySurface(dp->disp.dpy, s->surface);
if (result == EGL_TRUE) {
_s.terminate();
}
return result;
}
EGLBoolean eglQuerySurface( EGLDisplay dpy, EGLSurface surface,
EGLint attribute, EGLint *value)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
SurfaceRef _s(dp.get(), surface);
if (!_s.get())
return setError(EGL_BAD_SURFACE, EGL_FALSE);
egl_surface_t const * const s = get_surface(surface);
return s->cnx->egl.eglQuerySurface(
dp->disp.dpy, s->surface, attribute, value);
}
void EGLAPI eglBeginFrame(EGLDisplay dpy, EGLSurface surface) {
ATRACE_CALL();
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) {
return;
}
SurfaceRef _s(dp.get(), surface);
if (!_s.get()) {
setError(EGL_BAD_SURFACE, EGL_FALSE);
return;
}
}
// ----------------------------------------------------------------------------
// Contexts
// ----------------------------------------------------------------------------
EGLContext eglCreateContext(EGLDisplay dpy, EGLConfig config,
EGLContext share_list, const EGLint *attrib_list)
{
clearError();
egl_connection_t* cnx = NULL;
const egl_display_ptr dp = validate_display_connection(dpy, cnx);
if (dp) {
if (share_list != EGL_NO_CONTEXT) {
if (!ContextRef(dp.get(), share_list).get()) {
return setError(EGL_BAD_CONTEXT, EGL_NO_CONTEXT);
}
egl_context_t* const c = get_context(share_list);
share_list = c->context;
}
EGLContext context = cnx->egl.eglCreateContext(
dp->disp.dpy, config, share_list, attrib_list);
if (context != EGL_NO_CONTEXT) {
// figure out if it's a GLESv1 or GLESv2
int version = 0;
if (attrib_list) {
while (*attrib_list != EGL_NONE) {
GLint attr = *attrib_list++;
GLint value = *attrib_list++;
if (attr == EGL_CONTEXT_CLIENT_VERSION) {
if (value == 1) {
version = egl_connection_t::GLESv1_INDEX;
} else if (value == 2 || value == 3) {
version = egl_connection_t::GLESv2_INDEX;
}
}
};
}
egl_context_t* c = new egl_context_t(dpy, context, config, cnx,
version);
#if EGL_TRACE
if (getEGLDebugLevel() > 0)
GLTrace_eglCreateContext(version, c);
#endif
return c;
}
}
return EGL_NO_CONTEXT;
}
EGLBoolean eglDestroyContext(EGLDisplay dpy, EGLContext ctx)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp)
return EGL_FALSE;
ContextRef _c(dp.get(), ctx);
if (!_c.get())
return setError(EGL_BAD_CONTEXT, EGL_FALSE);
egl_context_t * const c = get_context(ctx);
EGLBoolean result = c->cnx->egl.eglDestroyContext(dp->disp.dpy, c->context);
if (result == EGL_TRUE) {
_c.terminate();
}
return result;
}
EGLBoolean eglMakeCurrent( EGLDisplay dpy, EGLSurface draw,
EGLSurface read, EGLContext ctx)
{
clearError();
egl_display_ptr dp = validate_display(dpy);
if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE);
// If ctx is not EGL_NO_CONTEXT, read is not EGL_NO_SURFACE, or draw is not
// EGL_NO_SURFACE, then an EGL_NOT_INITIALIZED error is generated if dpy is
// a valid but uninitialized display.
if ( (ctx != EGL_NO_CONTEXT) || (read != EGL_NO_SURFACE) ||
(draw != EGL_NO_SURFACE) ) {
if (!dp->isReady()) return setError(EGL_NOT_INITIALIZED, EGL_FALSE);
}
// get a reference to the object passed in
ContextRef _c(dp.get(), ctx);
SurfaceRef _d(dp.get(), draw);
SurfaceRef _r(dp.get(), read);
// validate the context (if not EGL_NO_CONTEXT)
if ((ctx != EGL_NO_CONTEXT) && !_c.get()) {
// EGL_NO_CONTEXT is valid
return setError(EGL_BAD_CONTEXT, EGL_FALSE);
}
// these are the underlying implementation's object
EGLContext impl_ctx = EGL_NO_CONTEXT;
EGLSurface impl_draw = EGL_NO_SURFACE;
EGLSurface impl_read = EGL_NO_SURFACE;
// these are our objects structs passed in
egl_context_t * c = NULL;
egl_surface_t const * d = NULL;
egl_surface_t const * r = NULL;
// these are the current objects structs
egl_context_t * cur_c = get_context(getContext());
if (ctx != EGL_NO_CONTEXT) {
c = get_context(ctx);
impl_ctx = c->context;
} else {
// no context given, use the implementation of the current context
if (draw != EGL_NO_SURFACE || read != EGL_NO_SURFACE) {
// calling eglMakeCurrent( ..., !=0, !=0, EGL_NO_CONTEXT);
return setError(EGL_BAD_MATCH, EGL_FALSE);
}
if (cur_c == NULL) {
// no current context
// not an error, there is just no current context.
return EGL_TRUE;
}
}
// retrieve the underlying implementation's draw EGLSurface
if (draw != EGL_NO_SURFACE) {
if (!_d.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE);
d = get_surface(draw);
impl_draw = d->surface;
}
// retrieve the underlying implementation's read EGLSurface
if (read != EGL_NO_SURFACE) {
if (!_r.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE);
r = get_surface(read);
impl_read = r->surface;
}
EGLBoolean result = dp->makeCurrent(c, cur_c,
draw, read, ctx,
impl_draw, impl_read, impl_ctx);
if (result == EGL_TRUE) {
if (c) {
setGLHooksThreadSpecific(c->cnx->hooks[c->version]);
egl_tls_t::setContext(ctx);
#if EGL_TRACE
if (getEGLDebugLevel() > 0)
GLTrace_eglMakeCurrent(c->version, c->cnx->hooks[c->version], ctx);
#endif
_c.acquire();
_r.acquire();
_d.acquire();
} else {
setGLHooksThreadSpecific(&gHooksNoContext);
egl_tls_t::setContext(EGL_NO_CONTEXT);
}
} else {
// this will ALOGE the error
egl_connection_t* const cnx = &gEGLImpl;
result = setError(cnx->egl.eglGetError(), EGL_FALSE);
}
return result;
}
EGLBoolean eglQueryContext( EGLDisplay dpy, EGLContext ctx,
EGLint attribute, EGLint *value)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
ContextRef _c(dp.get(), ctx);
if (!_c.get()) return setError(EGL_BAD_CONTEXT, EGL_FALSE);
egl_context_t * const c = get_context(ctx);
return c->cnx->egl.eglQueryContext(
dp->disp.dpy, c->context, attribute, value);
}
EGLContext eglGetCurrentContext(void)
{
// could be called before eglInitialize(), but we wouldn't have a context
// then, and this function would correctly return EGL_NO_CONTEXT.
clearError();
EGLContext ctx = getContext();
return ctx;
}
EGLSurface eglGetCurrentSurface(EGLint readdraw)
{
// could be called before eglInitialize(), but we wouldn't have a context
// then, and this function would correctly return EGL_NO_SURFACE.
clearError();
EGLContext ctx = getContext();
if (ctx) {
egl_context_t const * const c = get_context(ctx);
if (!c) return setError(EGL_BAD_CONTEXT, EGL_NO_SURFACE);
switch (readdraw) {
case EGL_READ: return c->read;
case EGL_DRAW: return c->draw;
default: return setError(EGL_BAD_PARAMETER, EGL_NO_SURFACE);
}
}
return EGL_NO_SURFACE;
}
EGLDisplay eglGetCurrentDisplay(void)
{
// could be called before eglInitialize(), but we wouldn't have a context
// then, and this function would correctly return EGL_NO_DISPLAY.
clearError();
EGLContext ctx = getContext();
if (ctx) {
egl_context_t const * const c = get_context(ctx);
if (!c) return setError(EGL_BAD_CONTEXT, EGL_NO_SURFACE);
return c->dpy;
}
return EGL_NO_DISPLAY;
}
EGLBoolean eglWaitGL(void)
{
clearError();
egl_connection_t* const cnx = &gEGLImpl;
if (!cnx->dso)
return setError(EGL_BAD_CONTEXT, EGL_FALSE);
return cnx->egl.eglWaitGL();
}
EGLBoolean eglWaitNative(EGLint engine)
{
clearError();
egl_connection_t* const cnx = &gEGLImpl;
if (!cnx->dso)
return setError(EGL_BAD_CONTEXT, EGL_FALSE);
return cnx->egl.eglWaitNative(engine);
}
EGLint eglGetError(void)
{
EGLint err = EGL_SUCCESS;
egl_connection_t* const cnx = &gEGLImpl;
if (cnx->dso) {
err = cnx->egl.eglGetError();
}
if (err == EGL_SUCCESS) {
err = egl_tls_t::getError();
}
return err;
}
static __eglMustCastToProperFunctionPointerType findBuiltinWrapper(
const char* procname) {
const egl_connection_t* cnx = &gEGLImpl;
void* proc = NULL;
proc = dlsym(cnx->libEgl, procname);
if (proc) return (__eglMustCastToProperFunctionPointerType)proc;
proc = dlsym(cnx->libGles2, procname);
if (proc) return (__eglMustCastToProperFunctionPointerType)proc;
proc = dlsym(cnx->libGles1, procname);
if (proc) return (__eglMustCastToProperFunctionPointerType)proc;
return NULL;
}
__eglMustCastToProperFunctionPointerType eglGetProcAddress(const char *procname)
{
// eglGetProcAddress() could be the very first function called
// in which case we must make sure we've initialized ourselves, this
// happens the first time egl_get_display() is called.
clearError();
if (egl_init_drivers() == EGL_FALSE) {
setError(EGL_BAD_PARAMETER, NULL);
return NULL;
}
if (FILTER_EXTENSIONS(procname)) {
return NULL;
}
__eglMustCastToProperFunctionPointerType addr;
addr = findProcAddress(procname, sExtensionMap, NELEM(sExtensionMap));
if (addr) return addr;
addr = findBuiltinWrapper(procname);
if (addr) return addr;
// this protects accesses to sGLExtentionMap and sGLExtentionSlot
pthread_mutex_lock(&sExtensionMapMutex);
/*
* Since eglGetProcAddress() is not associated to anything, it needs
* to return a function pointer that "works" regardless of what
* the current context is.
*
* For this reason, we return a "forwarder", a small stub that takes
* care of calling the function associated with the context
* currently bound.
*
* We first look for extensions we've already resolved, if we're seeing
* this extension for the first time, we go through all our
* implementations and call eglGetProcAddress() and record the
* result in the appropriate implementation hooks and return the
* address of the forwarder corresponding to that hook set.
*
*/
const String8 name(procname);
addr = sGLExtentionMap.valueFor(name);
const int slot = sGLExtentionSlot;
ALOGE_IF(slot >= MAX_NUMBER_OF_GL_EXTENSIONS,
"no more slots for eglGetProcAddress(\"%s\")",
procname);
#if EGL_TRACE
gl_hooks_t *debugHooks = GLTrace_getGLHooks();
#endif
if (!addr && (slot < MAX_NUMBER_OF_GL_EXTENSIONS)) {
bool found = false;
egl_connection_t* const cnx = &gEGLImpl;
if (cnx->dso && cnx->egl.eglGetProcAddress) {
// Extensions are independent of the bound context
addr =
cnx->hooks[egl_connection_t::GLESv1_INDEX]->ext.extensions[slot] =
cnx->hooks[egl_connection_t::GLESv2_INDEX]->ext.extensions[slot] =
#if EGL_TRACE
debugHooks->ext.extensions[slot] =
gHooksTrace.ext.extensions[slot] =
#endif
cnx->egl.eglGetProcAddress(procname);
if (addr) found = true;
}
if (found) {
addr = gExtensionForwarders[slot];
sGLExtentionMap.add(name, addr);
sGLExtentionSlot++;
}
}
pthread_mutex_unlock(&sExtensionMapMutex);
return addr;
}
class FrameCompletionThread : public Thread {
public:
static void queueSync(EGLSyncKHR sync) {
static sp<FrameCompletionThread> thread(new FrameCompletionThread);
static bool running = false;
if (!running) {
thread->run("GPUFrameCompletion");
running = true;
}
{
Mutex::Autolock lock(thread->mMutex);
ScopedTrace st(ATRACE_TAG, String8::format("kicked off frame %d",
thread->mFramesQueued).string());
thread->mQueue.push_back(sync);
thread->mCondition.signal();
thread->mFramesQueued++;
ATRACE_INT("GPU Frames Outstanding", thread->mQueue.size());
}
}
private:
FrameCompletionThread() : mFramesQueued(0), mFramesCompleted(0) {}
virtual bool threadLoop() {
EGLSyncKHR sync;
uint32_t frameNum;
{
Mutex::Autolock lock(mMutex);
while (mQueue.isEmpty()) {
mCondition.wait(mMutex);
}
sync = mQueue[0];
frameNum = mFramesCompleted;
}
EGLDisplay dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
{
ScopedTrace st(ATRACE_TAG, String8::format("waiting for frame %d",
frameNum).string());
EGLint result = eglClientWaitSyncKHR(dpy, sync, 0, EGL_FOREVER_KHR);
if (result == EGL_FALSE) {
ALOGE("FrameCompletion: error waiting for fence: %#x", eglGetError());
} else if (result == EGL_TIMEOUT_EXPIRED_KHR) {
ALOGE("FrameCompletion: timeout waiting for fence");
}
eglDestroySyncKHR(dpy, sync);
}
{
Mutex::Autolock lock(mMutex);
mQueue.removeAt(0);
mFramesCompleted++;
ATRACE_INT("GPU Frames Outstanding", mQueue.size());
}
return true;
}
uint32_t mFramesQueued;
uint32_t mFramesCompleted;
Vector<EGLSyncKHR> mQueue;
Condition mCondition;
Mutex mMutex;
};
EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface draw)
{
ATRACE_CALL();
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
SurfaceRef _s(dp.get(), draw);
if (!_s.get())
return setError(EGL_BAD_SURFACE, EGL_FALSE);
#if EGL_TRACE
gl_hooks_t const *trace_hooks = getGLTraceThreadSpecific();
if (getEGLDebugLevel() > 0) {
if (trace_hooks == NULL) {
if (GLTrace_start() < 0) {
ALOGE("Disabling Tracer for OpenGL ES");
setEGLDebugLevel(0);
} else {
// switch over to the trace version of hooks
EGLContext ctx = egl_tls_t::getContext();
egl_context_t * const c = get_context(ctx);
if (c) {
setGLHooksThreadSpecific(c->cnx->hooks[c->version]);
GLTrace_eglMakeCurrent(c->version, c->cnx->hooks[c->version], ctx);
}
}
}
GLTrace_eglSwapBuffers(dpy, draw);
} else if (trace_hooks != NULL) {
// tracing is now disabled, so switch back to the non trace version
EGLContext ctx = egl_tls_t::getContext();
egl_context_t * const c = get_context(ctx);
if (c) setGLHooksThreadSpecific(c->cnx->hooks[c->version]);
GLTrace_stop();
}
#endif
egl_surface_t const * const s = get_surface(draw);
if (CC_UNLIKELY(dp->traceGpuCompletion)) {
EGLSyncKHR sync = eglCreateSyncKHR(dpy, EGL_SYNC_FENCE_KHR, NULL);
if (sync != EGL_NO_SYNC_KHR) {
FrameCompletionThread::queueSync(sync);
}
}
if (CC_UNLIKELY(dp->finishOnSwap)) {
uint32_t pixel;
egl_context_t * const c = get_context( egl_tls_t::getContext() );
if (c) {
// glReadPixels() ensures that the frame is complete
s->cnx->hooks[c->version]->gl.glReadPixels(0,0,1,1,
GL_RGBA,GL_UNSIGNED_BYTE,&pixel);
}
}
return s->cnx->egl.eglSwapBuffers(dp->disp.dpy, s->surface);
}
EGLBoolean eglCopyBuffers( EGLDisplay dpy, EGLSurface surface,
NativePixmapType target)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
SurfaceRef _s(dp.get(), surface);
if (!_s.get())
return setError(EGL_BAD_SURFACE, EGL_FALSE);
egl_surface_t const * const s = get_surface(surface);
return s->cnx->egl.eglCopyBuffers(dp->disp.dpy, s->surface, target);
}
const char* eglQueryString(EGLDisplay dpy, EGLint name)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return (const char *) NULL;
switch (name) {
case EGL_VENDOR:
return dp->getVendorString();
case EGL_VERSION:
return dp->getVersionString();
case EGL_EXTENSIONS:
return dp->getExtensionString();
case EGL_CLIENT_APIS:
return dp->getClientApiString();
}
return setError(EGL_BAD_PARAMETER, (const char *)0);
}
EGLAPI const char* eglQueryStringImplementationANDROID(EGLDisplay dpy, EGLint name)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return (const char *) NULL;
switch (name) {
case EGL_VENDOR:
return dp->disp.queryString.vendor;
case EGL_VERSION:
return dp->disp.queryString.version;
case EGL_EXTENSIONS:
return dp->disp.queryString.extensions;
case EGL_CLIENT_APIS:
return dp->disp.queryString.clientApi;
}
return setError(EGL_BAD_PARAMETER, (const char *)0);
}
// ----------------------------------------------------------------------------
// EGL 1.1
// ----------------------------------------------------------------------------
EGLBoolean eglSurfaceAttrib(
EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
SurfaceRef _s(dp.get(), surface);
if (!_s.get())
return setError(EGL_BAD_SURFACE, EGL_FALSE);
egl_surface_t const * const s = get_surface(surface);
if (s->cnx->egl.eglSurfaceAttrib) {
return s->cnx->egl.eglSurfaceAttrib(
dp->disp.dpy, s->surface, attribute, value);
}
return setError(EGL_BAD_SURFACE, EGL_FALSE);
}
EGLBoolean eglBindTexImage(
EGLDisplay dpy, EGLSurface surface, EGLint buffer)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
SurfaceRef _s(dp.get(), surface);
if (!_s.get())
return setError(EGL_BAD_SURFACE, EGL_FALSE);
egl_surface_t const * const s = get_surface(surface);
if (s->cnx->egl.eglBindTexImage) {
return s->cnx->egl.eglBindTexImage(
dp->disp.dpy, s->surface, buffer);
}
return setError(EGL_BAD_SURFACE, EGL_FALSE);
}
EGLBoolean eglReleaseTexImage(
EGLDisplay dpy, EGLSurface surface, EGLint buffer)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
SurfaceRef _s(dp.get(), surface);
if (!_s.get())
return setError(EGL_BAD_SURFACE, EGL_FALSE);
egl_surface_t const * const s = get_surface(surface);
if (s->cnx->egl.eglReleaseTexImage) {
return s->cnx->egl.eglReleaseTexImage(
dp->disp.dpy, s->surface, buffer);
}
return setError(EGL_BAD_SURFACE, EGL_FALSE);
}
EGLBoolean eglSwapInterval(EGLDisplay dpy, EGLint interval)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
EGLBoolean res = EGL_TRUE;
egl_connection_t* const cnx = &gEGLImpl;
if (cnx->dso && cnx->egl.eglSwapInterval) {
res = cnx->egl.eglSwapInterval(dp->disp.dpy, interval);
}
return res;
}
// ----------------------------------------------------------------------------
// EGL 1.2
// ----------------------------------------------------------------------------
EGLBoolean eglWaitClient(void)
{
clearError();
egl_connection_t* const cnx = &gEGLImpl;
if (!cnx->dso)
return setError(EGL_BAD_CONTEXT, EGL_FALSE);
EGLBoolean res;
if (cnx->egl.eglWaitClient) {
res = cnx->egl.eglWaitClient();
} else {
res = cnx->egl.eglWaitGL();
}
return res;
}
EGLBoolean eglBindAPI(EGLenum api)
{
clearError();
if (egl_init_drivers() == EGL_FALSE) {
return setError(EGL_BAD_PARAMETER, EGL_FALSE);
}
// bind this API on all EGLs
EGLBoolean res = EGL_TRUE;
egl_connection_t* const cnx = &gEGLImpl;
if (cnx->dso && cnx->egl.eglBindAPI) {
res = cnx->egl.eglBindAPI(api);
}
return res;
}
EGLenum eglQueryAPI(void)
{
clearError();
if (egl_init_drivers() == EGL_FALSE) {
return setError(EGL_BAD_PARAMETER, EGL_FALSE);
}
egl_connection_t* const cnx = &gEGLImpl;
if (cnx->dso && cnx->egl.eglQueryAPI) {
return cnx->egl.eglQueryAPI();
}
// or, it can only be OpenGL ES
return EGL_OPENGL_ES_API;
}
EGLBoolean eglReleaseThread(void)
{
clearError();
#if EGL_TRACE
if (getEGLDebugLevel() > 0)
GLTrace_eglReleaseThread();
#endif
// If there is context bound to the thread, release it
egl_display_t::loseCurrent(get_context(getContext()));
egl_connection_t* const cnx = &gEGLImpl;
if (cnx->dso && cnx->egl.eglReleaseThread) {
cnx->egl.eglReleaseThread();
}
egl_tls_t::clearTLS();
return EGL_TRUE;
}
EGLSurface eglCreatePbufferFromClientBuffer(
EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer,
EGLConfig config, const EGLint *attrib_list)
{
clearError();
egl_connection_t* cnx = NULL;
const egl_display_ptr dp = validate_display_connection(dpy, cnx);
if (!dp) return EGL_FALSE;
if (cnx->egl.eglCreatePbufferFromClientBuffer) {
return cnx->egl.eglCreatePbufferFromClientBuffer(
dp->disp.dpy, buftype, buffer, config, attrib_list);
}
return setError(EGL_BAD_CONFIG, EGL_NO_SURFACE);
}
// ----------------------------------------------------------------------------
// EGL_EGLEXT_VERSION 3
// ----------------------------------------------------------------------------
EGLBoolean eglLockSurfaceKHR(EGLDisplay dpy, EGLSurface surface,
const EGLint *attrib_list)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
SurfaceRef _s(dp.get(), surface);
if (!_s.get())
return setError(EGL_BAD_SURFACE, EGL_FALSE);
egl_surface_t const * const s = get_surface(surface);
if (s->cnx->egl.eglLockSurfaceKHR) {
return s->cnx->egl.eglLockSurfaceKHR(
dp->disp.dpy, s->surface, attrib_list);
}
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
}
EGLBoolean eglUnlockSurfaceKHR(EGLDisplay dpy, EGLSurface surface)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
SurfaceRef _s(dp.get(), surface);
if (!_s.get())
return setError(EGL_BAD_SURFACE, EGL_FALSE);
egl_surface_t const * const s = get_surface(surface);
if (s->cnx->egl.eglUnlockSurfaceKHR) {
return s->cnx->egl.eglUnlockSurfaceKHR(dp->disp.dpy, s->surface);
}
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
}
EGLImageKHR eglCreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenum target,
EGLClientBuffer buffer, const EGLint *attrib_list)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_NO_IMAGE_KHR;
ContextRef _c(dp.get(), ctx);
egl_context_t * const c = _c.get();
EGLImageKHR result = EGL_NO_IMAGE_KHR;
egl_connection_t* const cnx = &gEGLImpl;
if (cnx->dso && cnx->egl.eglCreateImageKHR) {
result = cnx->egl.eglCreateImageKHR(
dp->disp.dpy,
c ? c->context : EGL_NO_CONTEXT,
target, buffer, attrib_list);
}
return result;
}
EGLBoolean eglDestroyImageKHR(EGLDisplay dpy, EGLImageKHR img)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
EGLBoolean result = EGL_FALSE;
egl_connection_t* const cnx = &gEGLImpl;
if (cnx->dso && cnx->egl.eglDestroyImageKHR) {
result = cnx->egl.eglDestroyImageKHR(dp->disp.dpy, img);
}
return result;
}
// ----------------------------------------------------------------------------
// EGL_EGLEXT_VERSION 5
// ----------------------------------------------------------------------------
EGLSyncKHR eglCreateSyncKHR(EGLDisplay dpy, EGLenum type, const EGLint *attrib_list)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_NO_SYNC_KHR;
EGLSyncKHR result = EGL_NO_SYNC_KHR;
egl_connection_t* const cnx = &gEGLImpl;
if (cnx->dso && cnx->egl.eglCreateSyncKHR) {
result = cnx->egl.eglCreateSyncKHR(dp->disp.dpy, type, attrib_list);
}
return result;
}
EGLBoolean eglDestroySyncKHR(EGLDisplay dpy, EGLSyncKHR sync)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
EGLBoolean result = EGL_FALSE;
egl_connection_t* const cnx = &gEGLImpl;
if (cnx->dso && cnx->egl.eglDestroySyncKHR) {
result = cnx->egl.eglDestroySyncKHR(dp->disp.dpy, sync);
}
return result;
}
EGLBoolean eglSignalSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLenum mode) {
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
EGLBoolean result = EGL_FALSE;
egl_connection_t* const cnx = &gEGLImpl;
if (cnx->dso && cnx->egl.eglSignalSyncKHR) {
result = cnx->egl.eglSignalSyncKHR(
dp->disp.dpy, sync, mode);
}
return result;
}
EGLint eglClientWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync,
EGLint flags, EGLTimeKHR timeout)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
EGLBoolean result = EGL_FALSE;
egl_connection_t* const cnx = &gEGLImpl;
if (cnx->dso && cnx->egl.eglClientWaitSyncKHR) {
result = cnx->egl.eglClientWaitSyncKHR(
dp->disp.dpy, sync, flags, timeout);
}
return result;
}
EGLBoolean eglGetSyncAttribKHR(EGLDisplay dpy, EGLSyncKHR sync,
EGLint attribute, EGLint *value)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
EGLBoolean result = EGL_FALSE;
egl_connection_t* const cnx = &gEGLImpl;
if (cnx->dso && cnx->egl.eglGetSyncAttribKHR) {
result = cnx->egl.eglGetSyncAttribKHR(
dp->disp.dpy, sync, attribute, value);
}
return result;
}
// ----------------------------------------------------------------------------
// EGL_EGLEXT_VERSION 15
// ----------------------------------------------------------------------------
EGLint eglWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags) {
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_FALSE;
EGLint result = EGL_FALSE;
egl_connection_t* const cnx = &gEGLImpl;
if (cnx->dso && cnx->egl.eglWaitSyncKHR) {
result = cnx->egl.eglWaitSyncKHR(dp->disp.dpy, sync, flags);
}
return result;
}
// ----------------------------------------------------------------------------
// ANDROID extensions
// ----------------------------------------------------------------------------
EGLint eglDupNativeFenceFDANDROID(EGLDisplay dpy, EGLSyncKHR sync)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) return EGL_NO_NATIVE_FENCE_FD_ANDROID;
EGLint result = EGL_NO_NATIVE_FENCE_FD_ANDROID;
egl_connection_t* const cnx = &gEGLImpl;
if (cnx->dso && cnx->egl.eglDupNativeFenceFDANDROID) {
result = cnx->egl.eglDupNativeFenceFDANDROID(dp->disp.dpy, sync);
}
return result;
}
EGLBoolean eglPresentationTimeANDROID(EGLDisplay dpy, EGLSurface surface,
EGLnsecsANDROID time)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) {
return EGL_FALSE;
}
SurfaceRef _s(dp.get(), surface);
if (!_s.get()) {
setError(EGL_BAD_SURFACE, EGL_FALSE);
return EGL_FALSE;
}
egl_surface_t const * const s = get_surface(surface);
native_window_set_buffers_timestamp(s->win.get(), time);
return EGL_TRUE;
}
// ----------------------------------------------------------------------------
// NVIDIA extensions
// ----------------------------------------------------------------------------
EGLuint64NV eglGetSystemTimeFrequencyNV()
{
clearError();
if (egl_init_drivers() == EGL_FALSE) {
return setError(EGL_BAD_PARAMETER, EGL_FALSE);
}
EGLuint64NV ret = 0;
egl_connection_t* const cnx = &gEGLImpl;
if (cnx->dso && cnx->egl.eglGetSystemTimeFrequencyNV) {
return cnx->egl.eglGetSystemTimeFrequencyNV();
}
return setErrorQuiet(EGL_BAD_DISPLAY, 0);
}
EGLuint64NV eglGetSystemTimeNV()
{
clearError();
if (egl_init_drivers() == EGL_FALSE) {
return setError(EGL_BAD_PARAMETER, EGL_FALSE);
}
EGLuint64NV ret = 0;
egl_connection_t* const cnx = &gEGLImpl;
if (cnx->dso && cnx->egl.eglGetSystemTimeNV) {
return cnx->egl.eglGetSystemTimeNV();
}
return setErrorQuiet(EGL_BAD_DISPLAY, 0);
}