| /* |
| * Copyright 2013 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 <log/log.h> |
| #include <ui/Rect.h> |
| #include <ui/Region.h> |
| |
| #include "GLES20RenderEngine.h" |
| #include "GLExtensions.h" |
| #include "Image.h" |
| #include "Mesh.h" |
| #include "RenderEngine.h" |
| |
| #include <SurfaceFlinger.h> |
| #include <vector> |
| |
| #include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h> |
| #include <configstore/Utils.h> |
| #include <private/gui/SyncFeatures.h> |
| |
| using namespace android::hardware::configstore; |
| using namespace android::hardware::configstore::V1_0; |
| |
| extern "C" EGLAPI const char* eglQueryStringImplementationANDROID(EGLDisplay dpy, EGLint name); |
| |
| // --------------------------------------------------------------------------- |
| namespace android { |
| namespace RE { |
| // --------------------------------------------------------------------------- |
| |
| RenderEngine::~RenderEngine() = default; |
| |
| namespace impl { |
| |
| std::unique_ptr<RenderEngine> RenderEngine::create(int hwcFormat, uint32_t featureFlags) { |
| // initialize EGL for the default display |
| EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY); |
| if (!eglInitialize(display, nullptr, nullptr)) { |
| LOG_ALWAYS_FATAL("failed to initialize EGL"); |
| } |
| |
| GLExtensions& extensions = GLExtensions::getInstance(); |
| extensions.initWithEGLStrings(eglQueryStringImplementationANDROID(display, EGL_VERSION), |
| eglQueryStringImplementationANDROID(display, EGL_EXTENSIONS)); |
| |
| // The code assumes that ES2 or later is available if this extension is |
| // supported. |
| EGLConfig config = EGL_NO_CONFIG; |
| if (!extensions.hasNoConfigContext()) { |
| config = chooseEglConfig(display, hwcFormat, /*logConfig*/ true); |
| } |
| |
| EGLint renderableType = 0; |
| if (config == EGL_NO_CONFIG) { |
| renderableType = EGL_OPENGL_ES2_BIT; |
| } else if (!eglGetConfigAttrib(display, config, EGL_RENDERABLE_TYPE, &renderableType)) { |
| LOG_ALWAYS_FATAL("can't query EGLConfig RENDERABLE_TYPE"); |
| } |
| EGLint contextClientVersion = 0; |
| if (renderableType & EGL_OPENGL_ES2_BIT) { |
| contextClientVersion = 2; |
| } else if (renderableType & EGL_OPENGL_ES_BIT) { |
| contextClientVersion = 1; |
| } else { |
| LOG_ALWAYS_FATAL("no supported EGL_RENDERABLE_TYPEs"); |
| } |
| |
| std::vector<EGLint> contextAttributes; |
| contextAttributes.reserve(6); |
| contextAttributes.push_back(EGL_CONTEXT_CLIENT_VERSION); |
| contextAttributes.push_back(contextClientVersion); |
| bool useContextPriority = overrideUseContextPriorityFromConfig(extensions.hasContextPriority()); |
| if (useContextPriority) { |
| contextAttributes.push_back(EGL_CONTEXT_PRIORITY_LEVEL_IMG); |
| contextAttributes.push_back(EGL_CONTEXT_PRIORITY_HIGH_IMG); |
| } |
| contextAttributes.push_back(EGL_NONE); |
| |
| EGLContext ctxt = eglCreateContext(display, config, nullptr, contextAttributes.data()); |
| |
| // if can't create a GL context, we can only abort. |
| LOG_ALWAYS_FATAL_IF(ctxt == EGL_NO_CONTEXT, "EGLContext creation failed"); |
| |
| // now figure out what version of GL did we actually get |
| // NOTE: a dummy surface is not needed if KHR_create_context is supported |
| |
| EGLConfig dummyConfig = config; |
| if (dummyConfig == EGL_NO_CONFIG) { |
| dummyConfig = chooseEglConfig(display, hwcFormat, /*logConfig*/ true); |
| } |
| EGLint attribs[] = {EGL_WIDTH, 1, EGL_HEIGHT, 1, EGL_NONE, EGL_NONE}; |
| EGLSurface dummy = eglCreatePbufferSurface(display, dummyConfig, attribs); |
| LOG_ALWAYS_FATAL_IF(dummy == EGL_NO_SURFACE, "can't create dummy pbuffer"); |
| EGLBoolean success = eglMakeCurrent(display, dummy, dummy, ctxt); |
| LOG_ALWAYS_FATAL_IF(!success, "can't make dummy pbuffer current"); |
| |
| extensions.initWithGLStrings(glGetString(GL_VENDOR), glGetString(GL_RENDERER), |
| glGetString(GL_VERSION), glGetString(GL_EXTENSIONS)); |
| |
| GlesVersion version = parseGlesVersion(extensions.getVersion()); |
| |
| // initialize the renderer while GL is current |
| |
| std::unique_ptr<RenderEngine> engine; |
| switch (version) { |
| case GLES_VERSION_1_0: |
| case GLES_VERSION_1_1: |
| LOG_ALWAYS_FATAL("SurfaceFlinger requires OpenGL ES 2.0 minimum to run."); |
| break; |
| case GLES_VERSION_2_0: |
| case GLES_VERSION_3_0: |
| engine = std::make_unique<GLES20RenderEngine>(featureFlags); |
| break; |
| } |
| engine->setEGLHandles(display, config, ctxt); |
| |
| ALOGI("OpenGL ES informations:"); |
| ALOGI("vendor : %s", extensions.getVendor()); |
| ALOGI("renderer : %s", extensions.getRenderer()); |
| ALOGI("version : %s", extensions.getVersion()); |
| ALOGI("extensions: %s", extensions.getExtensions()); |
| ALOGI("GL_MAX_TEXTURE_SIZE = %zu", engine->getMaxTextureSize()); |
| ALOGI("GL_MAX_VIEWPORT_DIMS = %zu", engine->getMaxViewportDims()); |
| |
| eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); |
| eglDestroySurface(display, dummy); |
| |
| return engine; |
| } |
| |
| bool RenderEngine::overrideUseContextPriorityFromConfig(bool useContextPriority) { |
| OptionalBool ret; |
| ISurfaceFlingerConfigs::getService()->useContextPriority([&ret](OptionalBool b) { ret = b; }); |
| if (ret.specified) { |
| return ret.value; |
| } else { |
| return useContextPriority; |
| } |
| } |
| |
| RenderEngine::RenderEngine(uint32_t featureFlags) |
| : mEGLDisplay(EGL_NO_DISPLAY), |
| mEGLConfig(nullptr), |
| mEGLContext(EGL_NO_CONTEXT), |
| mFeatureFlags(featureFlags) {} |
| |
| RenderEngine::~RenderEngine() { |
| eglMakeCurrent(mEGLDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); |
| eglTerminate(mEGLDisplay); |
| } |
| |
| void RenderEngine::setEGLHandles(EGLDisplay display, EGLConfig config, EGLContext ctxt) { |
| mEGLDisplay = display; |
| mEGLConfig = config; |
| mEGLContext = ctxt; |
| } |
| |
| EGLDisplay RenderEngine::getEGLDisplay() const { |
| return mEGLDisplay; |
| } |
| |
| EGLConfig RenderEngine::getEGLConfig() const { |
| return mEGLConfig; |
| } |
| |
| bool RenderEngine::useNativeFenceSync() const { |
| return SyncFeatures::getInstance().useNativeFenceSync(); |
| } |
| |
| bool RenderEngine::useWaitSync() const { |
| return SyncFeatures::getInstance().useWaitSync(); |
| } |
| |
| bool RenderEngine::isCurrent() const { |
| return mEGLDisplay == eglGetCurrentDisplay() && mEGLContext == eglGetCurrentContext(); |
| } |
| |
| std::unique_ptr<RE::Surface> RenderEngine::createSurface() { |
| return std::make_unique<Surface>(*this); |
| } |
| |
| std::unique_ptr<RE::Image> RenderEngine::createImage() { |
| return std::make_unique<Image>(*this); |
| } |
| |
| bool RenderEngine::setCurrentSurface(const android::RE::Surface& surface) { |
| // Note: RE::Surface is an abstract interface. This implementation only ever |
| // creates RE::impl::Surface's, so it is safe to just cast to the actual |
| // type. |
| return setCurrentSurface(static_cast<const android::RE::impl::Surface&>(surface)); |
| } |
| |
| bool RenderEngine::setCurrentSurface(const android::RE::impl::Surface& surface) { |
| bool success = true; |
| EGLSurface eglSurface = surface.getEGLSurface(); |
| if (eglSurface != eglGetCurrentSurface(EGL_DRAW)) { |
| success = eglMakeCurrent(mEGLDisplay, eglSurface, eglSurface, mEGLContext) == EGL_TRUE; |
| if (success && surface.getAsync()) { |
| eglSwapInterval(mEGLDisplay, 0); |
| } |
| } |
| |
| return success; |
| } |
| |
| void RenderEngine::resetCurrentSurface() { |
| eglMakeCurrent(mEGLDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); |
| } |
| |
| base::unique_fd RenderEngine::flush() { |
| if (!GLExtensions::getInstance().hasNativeFenceSync()) { |
| return base::unique_fd(); |
| } |
| |
| EGLSyncKHR sync = eglCreateSyncKHR(mEGLDisplay, EGL_SYNC_NATIVE_FENCE_ANDROID, nullptr); |
| if (sync == EGL_NO_SYNC_KHR) { |
| ALOGW("failed to create EGL native fence sync: %#x", eglGetError()); |
| return base::unique_fd(); |
| } |
| |
| // native fence fd will not be populated until flush() is done. |
| glFlush(); |
| |
| // get the fence fd |
| base::unique_fd fenceFd(eglDupNativeFenceFDANDROID(mEGLDisplay, sync)); |
| eglDestroySyncKHR(mEGLDisplay, sync); |
| if (fenceFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) { |
| ALOGW("failed to dup EGL native fence sync: %#x", eglGetError()); |
| } |
| |
| return fenceFd; |
| } |
| |
| bool RenderEngine::finish() { |
| if (!GLExtensions::getInstance().hasFenceSync()) { |
| ALOGW("no synchronization support"); |
| return false; |
| } |
| |
| EGLSyncKHR sync = eglCreateSyncKHR(mEGLDisplay, EGL_SYNC_FENCE_KHR, nullptr); |
| if (sync == EGL_NO_SYNC_KHR) { |
| ALOGW("failed to create EGL fence sync: %#x", eglGetError()); |
| return false; |
| } |
| |
| EGLint result = eglClientWaitSyncKHR(mEGLDisplay, sync, EGL_SYNC_FLUSH_COMMANDS_BIT_KHR, |
| 2000000000 /*2 sec*/); |
| EGLint error = eglGetError(); |
| eglDestroySyncKHR(mEGLDisplay, sync); |
| if (result != EGL_CONDITION_SATISFIED_KHR) { |
| if (result == EGL_TIMEOUT_EXPIRED_KHR) { |
| ALOGW("fence wait timed out"); |
| } else { |
| ALOGW("error waiting on EGL fence: %#x", error); |
| } |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool RenderEngine::waitFence(base::unique_fd fenceFd) { |
| if (!GLExtensions::getInstance().hasNativeFenceSync() || |
| !GLExtensions::getInstance().hasWaitSync()) { |
| return false; |
| } |
| |
| EGLint attribs[] = {EGL_SYNC_NATIVE_FENCE_FD_ANDROID, fenceFd, EGL_NONE}; |
| EGLSyncKHR sync = eglCreateSyncKHR(mEGLDisplay, EGL_SYNC_NATIVE_FENCE_ANDROID, attribs); |
| if (sync == EGL_NO_SYNC_KHR) { |
| ALOGE("failed to create EGL native fence sync: %#x", eglGetError()); |
| return false; |
| } |
| |
| // fenceFd is now owned by EGLSync |
| (void)fenceFd.release(); |
| |
| // XXX: The spec draft is inconsistent as to whether this should return an |
| // EGLint or void. Ignore the return value for now, as it's not strictly |
| // needed. |
| eglWaitSyncKHR(mEGLDisplay, sync, 0); |
| EGLint error = eglGetError(); |
| eglDestroySyncKHR(mEGLDisplay, sync); |
| if (error != EGL_SUCCESS) { |
| ALOGE("failed to wait for EGL native fence sync: %#x", error); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| void RenderEngine::checkErrors() const { |
| do { |
| // there could be more than one error flag |
| GLenum error = glGetError(); |
| if (error == GL_NO_ERROR) break; |
| ALOGE("GL error 0x%04x", int(error)); |
| } while (true); |
| } |
| |
| RenderEngine::GlesVersion RenderEngine::parseGlesVersion(const char* str) { |
| int major, minor; |
| if (sscanf(str, "OpenGL ES-CM %d.%d", &major, &minor) != 2) { |
| if (sscanf(str, "OpenGL ES %d.%d", &major, &minor) != 2) { |
| ALOGW("Unable to parse GL_VERSION string: \"%s\"", str); |
| return GLES_VERSION_1_0; |
| } |
| } |
| |
| if (major == 1 && minor == 0) return GLES_VERSION_1_0; |
| if (major == 1 && minor >= 1) return GLES_VERSION_1_1; |
| if (major == 2 && minor >= 0) return GLES_VERSION_2_0; |
| if (major == 3 && minor >= 0) return GLES_VERSION_3_0; |
| |
| ALOGW("Unrecognized OpenGL ES version: %d.%d", major, minor); |
| return GLES_VERSION_1_0; |
| } |
| |
| void RenderEngine::fillRegionWithColor(const Region& region, uint32_t height, float red, |
| float green, float blue, float alpha) { |
| size_t c; |
| Rect const* r = region.getArray(&c); |
| Mesh mesh(Mesh::TRIANGLES, c * 6, 2); |
| Mesh::VertexArray<vec2> position(mesh.getPositionArray<vec2>()); |
| for (size_t i = 0; i < c; i++, r++) { |
| position[i * 6 + 0].x = r->left; |
| position[i * 6 + 0].y = height - r->top; |
| position[i * 6 + 1].x = r->left; |
| position[i * 6 + 1].y = height - r->bottom; |
| position[i * 6 + 2].x = r->right; |
| position[i * 6 + 2].y = height - r->bottom; |
| position[i * 6 + 3].x = r->left; |
| position[i * 6 + 3].y = height - r->top; |
| position[i * 6 + 4].x = r->right; |
| position[i * 6 + 4].y = height - r->bottom; |
| position[i * 6 + 5].x = r->right; |
| position[i * 6 + 5].y = height - r->top; |
| } |
| setupFillWithColor(red, green, blue, alpha); |
| drawMesh(mesh); |
| } |
| |
| void RenderEngine::clearWithColor(float red, float green, float blue, float alpha) { |
| glClearColor(red, green, blue, alpha); |
| glClear(GL_COLOR_BUFFER_BIT); |
| } |
| |
| void RenderEngine::setScissor(uint32_t left, uint32_t bottom, uint32_t right, uint32_t top) { |
| glScissor(left, bottom, right, top); |
| glEnable(GL_SCISSOR_TEST); |
| } |
| |
| void RenderEngine::disableScissor() { |
| glDisable(GL_SCISSOR_TEST); |
| } |
| |
| void RenderEngine::genTextures(size_t count, uint32_t* names) { |
| glGenTextures(count, names); |
| } |
| |
| void RenderEngine::deleteTextures(size_t count, uint32_t const* names) { |
| glDeleteTextures(count, names); |
| } |
| |
| void RenderEngine::bindExternalTextureImage(uint32_t texName, const android::RE::Image& image) { |
| // Note: RE::Image is an abstract interface. This implementation only ever |
| // creates RE::impl::Image's, so it is safe to just cast to the actual type. |
| return bindExternalTextureImage(texName, static_cast<const android::RE::impl::Image&>(image)); |
| } |
| |
| void RenderEngine::bindExternalTextureImage(uint32_t texName, |
| const android::RE::impl::Image& image) { |
| const GLenum target = GL_TEXTURE_EXTERNAL_OES; |
| |
| glBindTexture(target, texName); |
| if (image.getEGLImage() != EGL_NO_IMAGE_KHR) { |
| glEGLImageTargetTexture2DOES(target, static_cast<GLeglImageOES>(image.getEGLImage())); |
| } |
| } |
| |
| void RenderEngine::readPixels(size_t l, size_t b, size_t w, size_t h, uint32_t* pixels) { |
| glReadPixels(l, b, w, h, GL_RGBA, GL_UNSIGNED_BYTE, pixels); |
| } |
| |
| void RenderEngine::dump(String8& result) { |
| const GLExtensions& extensions = GLExtensions::getInstance(); |
| |
| result.appendFormat("EGL implementation : %s\n", extensions.getEGLVersion()); |
| result.appendFormat("%s\n", extensions.getEGLExtensions()); |
| |
| result.appendFormat("GLES: %s, %s, %s\n", extensions.getVendor(), extensions.getRenderer(), |
| extensions.getVersion()); |
| result.appendFormat("%s\n", extensions.getExtensions()); |
| } |
| |
| // --------------------------------------------------------------------------- |
| |
| void RenderEngine::bindNativeBufferAsFrameBuffer(ANativeWindowBuffer* buffer, |
| RE::BindNativeBufferAsFramebuffer* bindHelper) { |
| bindHelper->mImage = eglCreateImageKHR(mEGLDisplay, EGL_NO_CONTEXT, EGL_NATIVE_BUFFER_ANDROID, |
| buffer, nullptr); |
| if (bindHelper->mImage == EGL_NO_IMAGE_KHR) { |
| bindHelper->mStatus = NO_MEMORY; |
| return; |
| } |
| |
| uint32_t glStatus; |
| bindImageAsFramebuffer(bindHelper->mImage, &bindHelper->mTexName, &bindHelper->mFbName, |
| &glStatus); |
| |
| ALOGE_IF(glStatus != GL_FRAMEBUFFER_COMPLETE_OES, "glCheckFramebufferStatusOES error %d", |
| glStatus); |
| |
| bindHelper->mStatus = glStatus == GL_FRAMEBUFFER_COMPLETE_OES ? NO_ERROR : BAD_VALUE; |
| } |
| |
| void RenderEngine::unbindNativeBufferAsFrameBuffer(RE::BindNativeBufferAsFramebuffer* bindHelper) { |
| if (bindHelper->mImage == EGL_NO_IMAGE_KHR) { |
| return; |
| } |
| |
| // back to main framebuffer |
| unbindFramebuffer(bindHelper->mTexName, bindHelper->mFbName); |
| eglDestroyImageKHR(mEGLDisplay, bindHelper->mImage); |
| |
| // Workaround for b/77935566 to force the EGL driver to release the |
| // screenshot buffer |
| setScissor(0, 0, 0, 0); |
| clearWithColor(0.0, 0.0, 0.0, 0.0); |
| disableScissor(); |
| } |
| |
| // --------------------------------------------------------------------------- |
| |
| static status_t selectConfigForAttribute(EGLDisplay dpy, EGLint const* attrs, EGLint attribute, |
| EGLint wanted, EGLConfig* outConfig) { |
| EGLint numConfigs = -1, n = 0; |
| eglGetConfigs(dpy, nullptr, 0, &numConfigs); |
| EGLConfig* const configs = new EGLConfig[numConfigs]; |
| eglChooseConfig(dpy, attrs, configs, numConfigs, &n); |
| |
| if (n) { |
| if (attribute != EGL_NONE) { |
| for (int i = 0; i < n; i++) { |
| EGLint value = 0; |
| eglGetConfigAttrib(dpy, configs[i], attribute, &value); |
| if (wanted == value) { |
| *outConfig = configs[i]; |
| delete[] configs; |
| return NO_ERROR; |
| } |
| } |
| } else { |
| // just pick the first one |
| *outConfig = configs[0]; |
| delete[] configs; |
| return NO_ERROR; |
| } |
| } |
| delete[] configs; |
| return NAME_NOT_FOUND; |
| } |
| |
| class EGLAttributeVector { |
| struct Attribute; |
| class Adder; |
| friend class Adder; |
| KeyedVector<Attribute, EGLint> mList; |
| struct Attribute { |
| Attribute() : v(0){}; |
| explicit Attribute(EGLint v) : v(v) {} |
| EGLint v; |
| bool operator<(const Attribute& other) const { |
| // this places EGL_NONE at the end |
| EGLint lhs(v); |
| EGLint rhs(other.v); |
| if (lhs == EGL_NONE) lhs = 0x7FFFFFFF; |
| if (rhs == EGL_NONE) rhs = 0x7FFFFFFF; |
| return lhs < rhs; |
| } |
| }; |
| class Adder { |
| friend class EGLAttributeVector; |
| EGLAttributeVector& v; |
| EGLint attribute; |
| Adder(EGLAttributeVector& v, EGLint attribute) : v(v), attribute(attribute) {} |
| |
| public: |
| void operator=(EGLint value) { |
| if (attribute != EGL_NONE) { |
| v.mList.add(Attribute(attribute), value); |
| } |
| } |
| operator EGLint() const { return v.mList[attribute]; } |
| }; |
| |
| public: |
| EGLAttributeVector() { mList.add(Attribute(EGL_NONE), EGL_NONE); } |
| void remove(EGLint attribute) { |
| if (attribute != EGL_NONE) { |
| mList.removeItem(Attribute(attribute)); |
| } |
| } |
| Adder operator[](EGLint attribute) { return Adder(*this, attribute); } |
| EGLint operator[](EGLint attribute) const { return mList[attribute]; } |
| // cast-operator to (EGLint const*) |
| operator EGLint const*() const { return &mList.keyAt(0).v; } |
| }; |
| |
| static status_t selectEGLConfig(EGLDisplay display, EGLint format, EGLint renderableType, |
| EGLConfig* config) { |
| // select our EGLConfig. It must support EGL_RECORDABLE_ANDROID if |
| // it is to be used with WIFI displays |
| status_t err; |
| EGLint wantedAttribute; |
| EGLint wantedAttributeValue; |
| |
| EGLAttributeVector attribs; |
| if (renderableType) { |
| attribs[EGL_RENDERABLE_TYPE] = renderableType; |
| attribs[EGL_RECORDABLE_ANDROID] = EGL_TRUE; |
| attribs[EGL_SURFACE_TYPE] = EGL_WINDOW_BIT | EGL_PBUFFER_BIT; |
| attribs[EGL_FRAMEBUFFER_TARGET_ANDROID] = EGL_TRUE; |
| attribs[EGL_RED_SIZE] = 8; |
| attribs[EGL_GREEN_SIZE] = 8; |
| attribs[EGL_BLUE_SIZE] = 8; |
| attribs[EGL_ALPHA_SIZE] = 8; |
| wantedAttribute = EGL_NONE; |
| wantedAttributeValue = EGL_NONE; |
| } else { |
| // if no renderable type specified, fallback to a simplified query |
| wantedAttribute = EGL_NATIVE_VISUAL_ID; |
| wantedAttributeValue = format; |
| } |
| |
| err = selectConfigForAttribute(display, attribs, wantedAttribute, wantedAttributeValue, config); |
| if (err == NO_ERROR) { |
| EGLint caveat; |
| if (eglGetConfigAttrib(display, *config, EGL_CONFIG_CAVEAT, &caveat)) |
| ALOGW_IF(caveat == EGL_SLOW_CONFIG, "EGL_SLOW_CONFIG selected!"); |
| } |
| |
| return err; |
| } |
| |
| EGLConfig RenderEngine::chooseEglConfig(EGLDisplay display, int format, bool logConfig) { |
| status_t err; |
| EGLConfig config; |
| |
| // First try to get an ES2 config |
| err = selectEGLConfig(display, format, EGL_OPENGL_ES2_BIT, &config); |
| if (err != NO_ERROR) { |
| // If ES2 fails, try ES1 |
| err = selectEGLConfig(display, format, EGL_OPENGL_ES_BIT, &config); |
| if (err != NO_ERROR) { |
| // still didn't work, probably because we're on the emulator... |
| // try a simplified query |
| ALOGW("no suitable EGLConfig found, trying a simpler query"); |
| err = selectEGLConfig(display, format, 0, &config); |
| if (err != NO_ERROR) { |
| // this EGL is too lame for android |
| LOG_ALWAYS_FATAL("no suitable EGLConfig found, giving up"); |
| } |
| } |
| } |
| |
| if (logConfig) { |
| // print some debugging info |
| EGLint r, g, b, a; |
| eglGetConfigAttrib(display, config, EGL_RED_SIZE, &r); |
| eglGetConfigAttrib(display, config, EGL_GREEN_SIZE, &g); |
| eglGetConfigAttrib(display, config, EGL_BLUE_SIZE, &b); |
| eglGetConfigAttrib(display, config, EGL_ALPHA_SIZE, &a); |
| ALOGI("EGL information:"); |
| ALOGI("vendor : %s", eglQueryString(display, EGL_VENDOR)); |
| ALOGI("version : %s", eglQueryString(display, EGL_VERSION)); |
| ALOGI("extensions: %s", eglQueryString(display, EGL_EXTENSIONS)); |
| ALOGI("Client API: %s", eglQueryString(display, EGL_CLIENT_APIS) ?: "Not Supported"); |
| ALOGI("EGLSurface: %d-%d-%d-%d, config=%p", r, g, b, a, config); |
| } |
| |
| return config; |
| } |
| |
| void RenderEngine::primeCache() const { |
| ProgramCache::getInstance().primeCache(mFeatureFlags & USE_COLOR_MANAGEMENT); |
| } |
| |
| // --------------------------------------------------------------------------- |
| |
| } // namespace impl |
| } // namespace RE |
| } // namespace android |