replicant-frameworks_native/opengl/libs/EGL/eglApi.cpp
Jesse Hall 21558daf69 Add EGL_KHR_get_all_proc_addresses to extension string
We've had the extended behavior since Android 4.3, but the extension
hadn't been ratified by Khronos yet so we couldn't add it to the
extension string.

Bug: 9681677
Change-Id: I78842316a3ab7a3f66a0ac1a4742d837de664c4c
2013-08-06 15:33:46 -07:00

1492 lines
45 KiB
C++

/*
** 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;
// ----------------------------------------------------------------------------
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 "
"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
;
// 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_recordable " // mandatory
/*
* 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();
uint32_t index = uint32_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
// ----------------------------------------------------------------------------
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;
EGLint format;
if (native_window_api_connect(window, NATIVE_WINDOW_API_EGL) != OK) {
ALOGE("EGLNativeWindowType %p already connected to another API",
window);
return setError(EGL_BAD_ALLOC, EGL_NO_SURFACE);
}
// set the native window's buffers format to match this config
if (cnx->egl.eglGetConfigAttrib(iDpy,
config, EGL_NATIVE_VISUAL_ID, &format)) {
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;
} else {
EGLint error = eglGetError();
ALOGE_IF(error == EGL_SUCCESS,
"eglCreateContext(%p, %p, %p, %p) returned EGL_NO_CONTEXT "
"but no EGL error!",
dpy, config, share_list, attrib_list);
}
}
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
result = setError(c->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 findBuiltinGLWrapper(
const char* procname) {
const egl_connection_t* cnx = &gEGLImpl;
void* proc = NULL;
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 = findBuiltinGLWrapper(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);
}