opengl/libs/EGL/egl_object.cpp - LeafOS-Project/android_frameworks_native - Gitiles

 /*
  ** 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.
  */

 #include "egl_object.h"

 #include <sstream>


 // ----------------------------------------------------------------------------
 namespace android {
 // ----------------------------------------------------------------------------

 egl_object_t::egl_object_t(egl_display_t* disp) :
     display(disp), count(1) {
     // NOTE: this does an implicit incRef
     display->addObject(this);
 }

 egl_object_t::~egl_object_t() {
 }

 void egl_object_t::terminate() {
     // this marks the object as "terminated"
     display->removeObject(this);
     if (decRef() == 1) {
         // shouldn't happen because this is called from LocalRef
         ALOGE("egl_object_t::terminate() removed the last reference!");
     }
 }

 void egl_object_t::destroy() {
     if (decRef() == 1) {
         delete this;
     }
 }

 bool egl_object_t::get(egl_display_t const* display, egl_object_t* object) {
     // used by LocalRef, this does an incRef() atomically with
     // checking that the object is valid.
     return display->getObject(object);
 }

 // ----------------------------------------------------------------------------

 egl_surface_t::egl_surface_t(egl_display_t* dpy, EGLConfig config, EGLNativeWindowType win,
                              EGLSurface surface, EGLint colorSpace, egl_connection_t const* cnx)
       : egl_object_t(dpy),
         surface(surface),
         config(config),
         win(win),
         cnx(cnx),
         connected(true),
         colorSpace(colorSpace),
         egl_smpte2086_dirty(false),
         egl_cta861_3_dirty(false) {
     egl_smpte2086_metadata.displayPrimaryRed = { EGL_DONT_CARE, EGL_DONT_CARE };
     egl_smpte2086_metadata.displayPrimaryGreen = { EGL_DONT_CARE, EGL_DONT_CARE };
     egl_smpte2086_metadata.displayPrimaryBlue = { EGL_DONT_CARE, EGL_DONT_CARE };
     egl_smpte2086_metadata.whitePoint = { EGL_DONT_CARE, EGL_DONT_CARE };
     egl_smpte2086_metadata.maxLuminance = EGL_DONT_CARE;
     egl_smpte2086_metadata.minLuminance = EGL_DONT_CARE;
     egl_cta861_3_metadata.maxFrameAverageLightLevel = EGL_DONT_CARE;
     egl_cta861_3_metadata.maxContentLightLevel = EGL_DONT_CARE;

     if (win) {
         win->incStrong(this);
     }
 }

 egl_surface_t::~egl_surface_t() {
     if (win != nullptr) {
         disconnect();
         win->decStrong(this);
     }
 }

 void egl_surface_t::disconnect() {
     if (win != nullptr && connected) {
         native_window_set_buffers_format(win, 0);
         if (native_window_api_disconnect(win, NATIVE_WINDOW_API_EGL)) {
             ALOGW("EGLNativeWindowType %p disconnect failed", win);
         }
         connected = false;
     }
 }

 EGLBoolean egl_surface_t::setSmpte2086Attribute(EGLint attribute, EGLint value) {
     switch (attribute) {
         case EGL_SMPTE2086_DISPLAY_PRIMARY_RX_EXT:
             egl_smpte2086_metadata.displayPrimaryRed.x = value;
             egl_smpte2086_dirty = true;
             return EGL_TRUE;
         case EGL_SMPTE2086_DISPLAY_PRIMARY_RY_EXT:
             egl_smpte2086_metadata.displayPrimaryRed.y = value;
             egl_smpte2086_dirty = true;
             return EGL_TRUE;
         case EGL_SMPTE2086_DISPLAY_PRIMARY_GX_EXT:
             egl_smpte2086_metadata.displayPrimaryGreen.x = value;
             egl_smpte2086_dirty = true;
             return EGL_TRUE;
         case EGL_SMPTE2086_DISPLAY_PRIMARY_GY_EXT:
             egl_smpte2086_metadata.displayPrimaryGreen.y = value;
             egl_smpte2086_dirty = true;
             return EGL_TRUE;
         case EGL_SMPTE2086_DISPLAY_PRIMARY_BX_EXT:
             egl_smpte2086_metadata.displayPrimaryBlue.x = value;
             egl_smpte2086_dirty = true;
             return EGL_TRUE;
         case EGL_SMPTE2086_DISPLAY_PRIMARY_BY_EXT:
             egl_smpte2086_metadata.displayPrimaryBlue.y = value;
             egl_smpte2086_dirty = true;
             return EGL_TRUE;
         case EGL_SMPTE2086_WHITE_POINT_X_EXT:
             egl_smpte2086_metadata.whitePoint.x = value;
             egl_smpte2086_dirty = true;
             return EGL_TRUE;
         case EGL_SMPTE2086_WHITE_POINT_Y_EXT:
             egl_smpte2086_metadata.whitePoint.y = value;
             egl_smpte2086_dirty = true;
             return EGL_TRUE;
         case EGL_SMPTE2086_MAX_LUMINANCE_EXT:
             egl_smpte2086_metadata.maxLuminance = value;
             egl_smpte2086_dirty = true;
             return EGL_TRUE;
         case EGL_SMPTE2086_MIN_LUMINANCE_EXT:
             egl_smpte2086_metadata.minLuminance = value;
             egl_smpte2086_dirty = true;
             return EGL_TRUE;
     }
     return EGL_FALSE;
 }

 EGLBoolean egl_surface_t::setCta8613Attribute(EGLint attribute, EGLint value) {
     switch (attribute) {
         case EGL_CTA861_3_MAX_CONTENT_LIGHT_LEVEL_EXT:
             egl_cta861_3_metadata.maxContentLightLevel = value;
             egl_cta861_3_dirty = true;
             return EGL_TRUE;
         case EGL_CTA861_3_MAX_FRAME_AVERAGE_LEVEL_EXT:
             egl_cta861_3_metadata.maxFrameAverageLightLevel = value;
             egl_cta861_3_dirty = true;
             return EGL_TRUE;
     }
     return EGL_FALSE;
 }

 EGLBoolean egl_surface_t::getSmpte2086Metadata(android_smpte2086_metadata& metadata) const {
     if (!egl_smpte2086_dirty) return EGL_FALSE;
     if (egl_smpte2086_metadata.displayPrimaryRed.x == EGL_DONT_CARE ||
         egl_smpte2086_metadata.displayPrimaryRed.y == EGL_DONT_CARE ||
         egl_smpte2086_metadata.displayPrimaryGreen.x == EGL_DONT_CARE ||
         egl_smpte2086_metadata.displayPrimaryGreen.y == EGL_DONT_CARE ||
         egl_smpte2086_metadata.displayPrimaryBlue.x == EGL_DONT_CARE ||
         egl_smpte2086_metadata.displayPrimaryBlue.y == EGL_DONT_CARE ||
         egl_smpte2086_metadata.whitePoint.x == EGL_DONT_CARE ||
         egl_smpte2086_metadata.whitePoint.y == EGL_DONT_CARE ||
         egl_smpte2086_metadata.maxLuminance == EGL_DONT_CARE ||
         egl_smpte2086_metadata.minLuminance == EGL_DONT_CARE) {
         ALOGW("egl_surface_t: incomplete SMPTE 2086 metadata!");
         return EGL_FALSE;
     }

     metadata.displayPrimaryRed.x = static_cast<float>(egl_smpte2086_metadata.displayPrimaryRed.x) / EGL_METADATA_SCALING_EXT;
     metadata.displayPrimaryRed.y = static_cast<float>(egl_smpte2086_metadata.displayPrimaryRed.y) / EGL_METADATA_SCALING_EXT;
     metadata.displayPrimaryGreen.x = static_cast<float>(egl_smpte2086_metadata.displayPrimaryGreen.x) / EGL_METADATA_SCALING_EXT;
     metadata.displayPrimaryGreen.y = static_cast<float>(egl_smpte2086_metadata.displayPrimaryGreen.y) / EGL_METADATA_SCALING_EXT;
     metadata.displayPrimaryBlue.x = static_cast<float>(egl_smpte2086_metadata.displayPrimaryBlue.x) / EGL_METADATA_SCALING_EXT;
     metadata.displayPrimaryBlue.y = static_cast<float>(egl_smpte2086_metadata.displayPrimaryBlue.y) / EGL_METADATA_SCALING_EXT;
     metadata.whitePoint.x = static_cast<float>(egl_smpte2086_metadata.whitePoint.x) / EGL_METADATA_SCALING_EXT;
     metadata.whitePoint.y = static_cast<float>(egl_smpte2086_metadata.whitePoint.y) / EGL_METADATA_SCALING_EXT;
     metadata.maxLuminance = static_cast<float>(egl_smpte2086_metadata.maxLuminance) / EGL_METADATA_SCALING_EXT;
     metadata.minLuminance = static_cast<float>(egl_smpte2086_metadata.minLuminance) / EGL_METADATA_SCALING_EXT;

     return EGL_TRUE;
 }

 EGLBoolean egl_surface_t::getCta8613Metadata(android_cta861_3_metadata& metadata) const {
     if (!egl_cta861_3_dirty) return EGL_FALSE;

     if (egl_cta861_3_metadata.maxContentLightLevel == EGL_DONT_CARE ||
         egl_cta861_3_metadata.maxFrameAverageLightLevel == EGL_DONT_CARE) {
         ALOGW("egl_surface_t: incomplete CTA861.3 metadata!");
         return EGL_FALSE;
     }

     metadata.maxContentLightLevel = static_cast<float>(egl_cta861_3_metadata.maxContentLightLevel) / EGL_METADATA_SCALING_EXT;
     metadata.maxFrameAverageLightLevel = static_cast<float>(egl_cta861_3_metadata.maxFrameAverageLightLevel) / EGL_METADATA_SCALING_EXT;

     return EGL_TRUE;
 }


 EGLBoolean egl_surface_t::getColorSpaceAttribute(EGLint attribute, EGLint* value) const {
     if (attribute == EGL_GL_COLORSPACE_KHR) {
         *value = colorSpace;
         return EGL_TRUE;
     }
     return EGL_FALSE;
 }

 EGLBoolean egl_surface_t::getSmpte2086Attribute(EGLint attribute, EGLint *value) const {
     switch (attribute) {
         case EGL_SMPTE2086_DISPLAY_PRIMARY_RX_EXT:
             *value = egl_smpte2086_metadata.displayPrimaryRed.x;
             return EGL_TRUE;
             break;
         case EGL_SMPTE2086_DISPLAY_PRIMARY_RY_EXT:
             *value = egl_smpte2086_metadata.displayPrimaryRed.y;
             return EGL_TRUE;
             break;
         case EGL_SMPTE2086_DISPLAY_PRIMARY_GX_EXT:
             *value = egl_smpte2086_metadata.displayPrimaryGreen.x;
             return EGL_TRUE;
             break;
         case EGL_SMPTE2086_DISPLAY_PRIMARY_GY_EXT:
             *value = egl_smpte2086_metadata.displayPrimaryGreen.y;
             return EGL_TRUE;
             break;
         case EGL_SMPTE2086_DISPLAY_PRIMARY_BX_EXT:
             *value = egl_smpte2086_metadata.displayPrimaryBlue.x;
             return EGL_TRUE;
             break;
         case EGL_SMPTE2086_DISPLAY_PRIMARY_BY_EXT:
             *value = egl_smpte2086_metadata.displayPrimaryBlue.y;
             return EGL_TRUE;
             break;
         case EGL_SMPTE2086_WHITE_POINT_X_EXT:
             *value = egl_smpte2086_metadata.whitePoint.x;
             return EGL_TRUE;
             break;
         case EGL_SMPTE2086_WHITE_POINT_Y_EXT:
             *value = egl_smpte2086_metadata.whitePoint.y;
             return EGL_TRUE;
             break;
         case EGL_SMPTE2086_MAX_LUMINANCE_EXT:
             *value = egl_smpte2086_metadata.maxLuminance;
             return EGL_TRUE;
             break;
         case EGL_SMPTE2086_MIN_LUMINANCE_EXT:
             *value = egl_smpte2086_metadata.minLuminance;
             return EGL_TRUE;
             break;
     }
     return EGL_FALSE;
 }

 EGLBoolean egl_surface_t::getCta8613Attribute(EGLint attribute, EGLint *value) const {
     switch (attribute) {
         case EGL_CTA861_3_MAX_CONTENT_LIGHT_LEVEL_EXT:
             *value = egl_cta861_3_metadata.maxContentLightLevel;
             return EGL_TRUE;
             break;
         case EGL_CTA861_3_MAX_FRAME_AVERAGE_LEVEL_EXT:
             *value = egl_cta861_3_metadata.maxFrameAverageLightLevel;
             return EGL_TRUE;
             break;
     }
     return EGL_FALSE;
 }

 void egl_surface_t::terminate() {
     disconnect();
     egl_object_t::terminate();
 }

 // ----------------------------------------------------------------------------

 egl_context_t::egl_context_t(EGLDisplay dpy, EGLContext context, EGLConfig config,
         egl_connection_t const* cnx, int version) :
     egl_object_t(get_display_nowake(dpy)), dpy(dpy), context(context),
             config(config), read(nullptr), draw(nullptr), cnx(cnx), version(version) {
 }

 void egl_context_t::onLooseCurrent() {
     read = nullptr;
     draw = nullptr;
 }

 void egl_context_t::onMakeCurrent(EGLSurface draw, EGLSurface read) {
     this->read = read;
     this->draw = draw;

     /*
      * Here we cache the GL_EXTENSIONS string for this context and we
      * add the extensions always handled by the wrapper
      */

     if (gl_extensions.empty()) {
         // call the implementation's glGetString(GL_EXTENSIONS)
         const char* exts = (const char *)gEGLImpl.hooks[version]->gl.glGetString(GL_EXTENSIONS);

         // If this context is sharing with another context, and the other context was reset
         // e.g. due to robustness failure, this context might also be reset and glGetString can
         // return NULL.
         if (exts) {
             gl_extensions = exts;
             if (gl_extensions.find("GL_EXT_debug_marker") == std::string::npos) {
                 gl_extensions.insert(0, "GL_EXT_debug_marker ");
             }

             // tokenize the supported extensions for the glGetStringi() wrapper
             std::stringstream ss;
             std::string str;
             ss << gl_extensions;
             while (ss >> str) {
                 tokenized_gl_extensions.push_back(str);
             }
         }
     }
 }

 // ----------------------------------------------------------------------------
 }; // namespace android
 // ----------------------------------------------------------------------------
	/*
	** 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.
	*/

	#include "egl_object.h"

	#include <sstream>


	// ----------------------------------------------------------------------------
	namespace android {
	// ----------------------------------------------------------------------------

	egl_object_t::egl_object_t(egl_display_t* disp) :
	display(disp), count(1) {
	// NOTE: this does an implicit incRef
	display->addObject(this);
	}

	egl_object_t::~egl_object_t() {
	}

	void egl_object_t::terminate() {
	// this marks the object as "terminated"
	display->removeObject(this);
	if (decRef() == 1) {
	// shouldn't happen because this is called from LocalRef
	ALOGE("egl_object_t::terminate() removed the last reference!");
	}
	}

	void egl_object_t::destroy() {
	if (decRef() == 1) {
	delete this;
	}
	}

	bool egl_object_t::get(egl_display_t const* display, egl_object_t* object) {
	// used by LocalRef, this does an incRef() atomically with
	// checking that the object is valid.
	return display->getObject(object);
	}

	// ----------------------------------------------------------------------------

	egl_surface_t::egl_surface_t(egl_display_t* dpy, EGLConfig config, EGLNativeWindowType win,
	EGLSurface surface, EGLint colorSpace, egl_connection_t const* cnx)
	: egl_object_t(dpy),
	surface(surface),
	config(config),
	win(win),
	cnx(cnx),
	connected(true),
	colorSpace(colorSpace),
	egl_smpte2086_dirty(false),
	egl_cta861_3_dirty(false) {
	egl_smpte2086_metadata.displayPrimaryRed = { EGL_DONT_CARE, EGL_DONT_CARE };
	egl_smpte2086_metadata.displayPrimaryGreen = { EGL_DONT_CARE, EGL_DONT_CARE };
	egl_smpte2086_metadata.displayPrimaryBlue = { EGL_DONT_CARE, EGL_DONT_CARE };
	egl_smpte2086_metadata.whitePoint = { EGL_DONT_CARE, EGL_DONT_CARE };
	egl_smpte2086_metadata.maxLuminance = EGL_DONT_CARE;
	egl_smpte2086_metadata.minLuminance = EGL_DONT_CARE;
	egl_cta861_3_metadata.maxFrameAverageLightLevel = EGL_DONT_CARE;
	egl_cta861_3_metadata.maxContentLightLevel = EGL_DONT_CARE;

	if (win) {
	win->incStrong(this);
	}
	}

	egl_surface_t::~egl_surface_t() {
	if (win != nullptr) {
	disconnect();
	win->decStrong(this);
	}
	}

	void egl_surface_t::disconnect() {
	if (win != nullptr && connected) {
	native_window_set_buffers_format(win, 0);
	if (native_window_api_disconnect(win, NATIVE_WINDOW_API_EGL)) {
	ALOGW("EGLNativeWindowType %p disconnect failed", win);
	}
	connected = false;
	}
	}

	EGLBoolean egl_surface_t::setSmpte2086Attribute(EGLint attribute, EGLint value) {
	switch (attribute) {
	case EGL_SMPTE2086_DISPLAY_PRIMARY_RX_EXT:
	egl_smpte2086_metadata.displayPrimaryRed.x = value;
	egl_smpte2086_dirty = true;
	return EGL_TRUE;
	case EGL_SMPTE2086_DISPLAY_PRIMARY_RY_EXT:
	egl_smpte2086_metadata.displayPrimaryRed.y = value;
	egl_smpte2086_dirty = true;
	return EGL_TRUE;
	case EGL_SMPTE2086_DISPLAY_PRIMARY_GX_EXT:
	egl_smpte2086_metadata.displayPrimaryGreen.x = value;
	egl_smpte2086_dirty = true;
	return EGL_TRUE;
	case EGL_SMPTE2086_DISPLAY_PRIMARY_GY_EXT:
	egl_smpte2086_metadata.displayPrimaryGreen.y = value;
	egl_smpte2086_dirty = true;
	return EGL_TRUE;
	case EGL_SMPTE2086_DISPLAY_PRIMARY_BX_EXT:
	egl_smpte2086_metadata.displayPrimaryBlue.x = value;
	egl_smpte2086_dirty = true;
	return EGL_TRUE;
	case EGL_SMPTE2086_DISPLAY_PRIMARY_BY_EXT:
	egl_smpte2086_metadata.displayPrimaryBlue.y = value;
	egl_smpte2086_dirty = true;
	return EGL_TRUE;
	case EGL_SMPTE2086_WHITE_POINT_X_EXT:
	egl_smpte2086_metadata.whitePoint.x = value;
	egl_smpte2086_dirty = true;
	return EGL_TRUE;
	case EGL_SMPTE2086_WHITE_POINT_Y_EXT:
	egl_smpte2086_metadata.whitePoint.y = value;
	egl_smpte2086_dirty = true;
	return EGL_TRUE;
	case EGL_SMPTE2086_MAX_LUMINANCE_EXT:
	egl_smpte2086_metadata.maxLuminance = value;
	egl_smpte2086_dirty = true;
	return EGL_TRUE;
	case EGL_SMPTE2086_MIN_LUMINANCE_EXT:
	egl_smpte2086_metadata.minLuminance = value;
	egl_smpte2086_dirty = true;
	return EGL_TRUE;
	}
	return EGL_FALSE;
	}

	EGLBoolean egl_surface_t::setCta8613Attribute(EGLint attribute, EGLint value) {
	switch (attribute) {
	case EGL_CTA861_3_MAX_CONTENT_LIGHT_LEVEL_EXT:
	egl_cta861_3_metadata.maxContentLightLevel = value;
	egl_cta861_3_dirty = true;
	return EGL_TRUE;
	case EGL_CTA861_3_MAX_FRAME_AVERAGE_LEVEL_EXT:
	egl_cta861_3_metadata.maxFrameAverageLightLevel = value;
	egl_cta861_3_dirty = true;
	return EGL_TRUE;
	}
	return EGL_FALSE;
	}

	EGLBoolean egl_surface_t::getSmpte2086Metadata(android_smpte2086_metadata& metadata) const {
	if (!egl_smpte2086_dirty) return EGL_FALSE;
	if (egl_smpte2086_metadata.displayPrimaryRed.x == EGL_DONT_CARE \|\|
	egl_smpte2086_metadata.displayPrimaryRed.y == EGL_DONT_CARE \|\|
	egl_smpte2086_metadata.displayPrimaryGreen.x == EGL_DONT_CARE \|\|
	egl_smpte2086_metadata.displayPrimaryGreen.y == EGL_DONT_CARE \|\|
	egl_smpte2086_metadata.displayPrimaryBlue.x == EGL_DONT_CARE \|\|
	egl_smpte2086_metadata.displayPrimaryBlue.y == EGL_DONT_CARE \|\|
	egl_smpte2086_metadata.whitePoint.x == EGL_DONT_CARE \|\|
	egl_smpte2086_metadata.whitePoint.y == EGL_DONT_CARE \|\|
	egl_smpte2086_metadata.maxLuminance == EGL_DONT_CARE \|\|
	egl_smpte2086_metadata.minLuminance == EGL_DONT_CARE) {
	ALOGW("egl_surface_t: incomplete SMPTE 2086 metadata!");
	return EGL_FALSE;
	}

	metadata.displayPrimaryRed.x = static_cast<float>(egl_smpte2086_metadata.displayPrimaryRed.x) / EGL_METADATA_SCALING_EXT;
	metadata.displayPrimaryRed.y = static_cast<float>(egl_smpte2086_metadata.displayPrimaryRed.y) / EGL_METADATA_SCALING_EXT;
	metadata.displayPrimaryGreen.x = static_cast<float>(egl_smpte2086_metadata.displayPrimaryGreen.x) / EGL_METADATA_SCALING_EXT;
	metadata.displayPrimaryGreen.y = static_cast<float>(egl_smpte2086_metadata.displayPrimaryGreen.y) / EGL_METADATA_SCALING_EXT;
	metadata.displayPrimaryBlue.x = static_cast<float>(egl_smpte2086_metadata.displayPrimaryBlue.x) / EGL_METADATA_SCALING_EXT;
	metadata.displayPrimaryBlue.y = static_cast<float>(egl_smpte2086_metadata.displayPrimaryBlue.y) / EGL_METADATA_SCALING_EXT;
	metadata.whitePoint.x = static_cast<float>(egl_smpte2086_metadata.whitePoint.x) / EGL_METADATA_SCALING_EXT;
	metadata.whitePoint.y = static_cast<float>(egl_smpte2086_metadata.whitePoint.y) / EGL_METADATA_SCALING_EXT;
	metadata.maxLuminance = static_cast<float>(egl_smpte2086_metadata.maxLuminance) / EGL_METADATA_SCALING_EXT;
	metadata.minLuminance = static_cast<float>(egl_smpte2086_metadata.minLuminance) / EGL_METADATA_SCALING_EXT;

	return EGL_TRUE;
	}

	EGLBoolean egl_surface_t::getCta8613Metadata(android_cta861_3_metadata& metadata) const {
	if (!egl_cta861_3_dirty) return EGL_FALSE;

	if (egl_cta861_3_metadata.maxContentLightLevel == EGL_DONT_CARE \|\|
	egl_cta861_3_metadata.maxFrameAverageLightLevel == EGL_DONT_CARE) {
	ALOGW("egl_surface_t: incomplete CTA861.3 metadata!");
	return EGL_FALSE;
	}

	metadata.maxContentLightLevel = static_cast<float>(egl_cta861_3_metadata.maxContentLightLevel) / EGL_METADATA_SCALING_EXT;
	metadata.maxFrameAverageLightLevel = static_cast<float>(egl_cta861_3_metadata.maxFrameAverageLightLevel) / EGL_METADATA_SCALING_EXT;

	return EGL_TRUE;
	}


	EGLBoolean egl_surface_t::getColorSpaceAttribute(EGLint attribute, EGLint* value) const {
	if (attribute == EGL_GL_COLORSPACE_KHR) {
	*value = colorSpace;
	return EGL_TRUE;
	}
	return EGL_FALSE;
	}

	EGLBoolean egl_surface_t::getSmpte2086Attribute(EGLint attribute, EGLint *value) const {
	switch (attribute) {
	case EGL_SMPTE2086_DISPLAY_PRIMARY_RX_EXT:
	*value = egl_smpte2086_metadata.displayPrimaryRed.x;
	return EGL_TRUE;
	break;
	case EGL_SMPTE2086_DISPLAY_PRIMARY_RY_EXT:
	*value = egl_smpte2086_metadata.displayPrimaryRed.y;
	return EGL_TRUE;
	break;
	case EGL_SMPTE2086_DISPLAY_PRIMARY_GX_EXT:
	*value = egl_smpte2086_metadata.displayPrimaryGreen.x;
	return EGL_TRUE;
	break;
	case EGL_SMPTE2086_DISPLAY_PRIMARY_GY_EXT:
	*value = egl_smpte2086_metadata.displayPrimaryGreen.y;
	return EGL_TRUE;
	break;
	case EGL_SMPTE2086_DISPLAY_PRIMARY_BX_EXT:
	*value = egl_smpte2086_metadata.displayPrimaryBlue.x;
	return EGL_TRUE;
	break;
	case EGL_SMPTE2086_DISPLAY_PRIMARY_BY_EXT:
	*value = egl_smpte2086_metadata.displayPrimaryBlue.y;
	return EGL_TRUE;
	break;
	case EGL_SMPTE2086_WHITE_POINT_X_EXT:
	*value = egl_smpte2086_metadata.whitePoint.x;
	return EGL_TRUE;
	break;
	case EGL_SMPTE2086_WHITE_POINT_Y_EXT:
	*value = egl_smpte2086_metadata.whitePoint.y;
	return EGL_TRUE;
	break;
	case EGL_SMPTE2086_MAX_LUMINANCE_EXT:
	*value = egl_smpte2086_metadata.maxLuminance;
	return EGL_TRUE;
	break;
	case EGL_SMPTE2086_MIN_LUMINANCE_EXT:
	*value = egl_smpte2086_metadata.minLuminance;
	return EGL_TRUE;
	break;
	}
	return EGL_FALSE;
	}

	EGLBoolean egl_surface_t::getCta8613Attribute(EGLint attribute, EGLint *value) const {
	switch (attribute) {
	case EGL_CTA861_3_MAX_CONTENT_LIGHT_LEVEL_EXT:
	*value = egl_cta861_3_metadata.maxContentLightLevel;
	return EGL_TRUE;
	break;
	case EGL_CTA861_3_MAX_FRAME_AVERAGE_LEVEL_EXT:
	*value = egl_cta861_3_metadata.maxFrameAverageLightLevel;
	return EGL_TRUE;
	break;
	}
	return EGL_FALSE;
	}

	void egl_surface_t::terminate() {
	disconnect();
	egl_object_t::terminate();
	}

	// ----------------------------------------------------------------------------

	egl_context_t::egl_context_t(EGLDisplay dpy, EGLContext context, EGLConfig config,
	egl_connection_t const* cnx, int version) :
	egl_object_t(get_display_nowake(dpy)), dpy(dpy), context(context),
	config(config), read(nullptr), draw(nullptr), cnx(cnx), version(version) {
	}

	void egl_context_t::onLooseCurrent() {
	read = nullptr;
	draw = nullptr;
	}

	void egl_context_t::onMakeCurrent(EGLSurface draw, EGLSurface read) {
	this->read = read;
	this->draw = draw;

	/*
	* Here we cache the GL_EXTENSIONS string for this context and we
	* add the extensions always handled by the wrapper
	*/

	if (gl_extensions.empty()) {
	// call the implementation's glGetString(GL_EXTENSIONS)
	const char* exts = (const char *)gEGLImpl.hooks[version]->gl.glGetString(GL_EXTENSIONS);

	// If this context is sharing with another context, and the other context was reset
	// e.g. due to robustness failure, this context might also be reset and glGetString can
	// return NULL.
	if (exts) {
	gl_extensions = exts;
	if (gl_extensions.find("GL_EXT_debug_marker") == std::string::npos) {
	gl_extensions.insert(0, "GL_EXT_debug_marker ");
	}

	// tokenize the supported extensions for the glGetStringi() wrapper
	std::stringstream ss;
	std::string str;
	ss << gl_extensions;
	while (ss >> str) {
	tokenized_gl_extensions.push_back(str);
	}
	}
	}
	}

	// ----------------------------------------------------------------------------
	}; // namespace android
	// ----------------------------------------------------------------------------