71491dc14c
Previously, we took out resize because Vulkan didn't support it in Android. Now Android nyc-dev builds >= 2937079 and nyc-release builds >= NRD66 supports it so we add it back. BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2050613003 Review-Url: https://codereview.chromium.org/2050613003
129 lines
4.0 KiB
C++
129 lines
4.0 KiB
C++
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/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include <GLES/gl.h>
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#include "GLWindowContext_android.h"
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#include <android/native_window_jni.h>
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namespace sk_app {
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// Most of the following 3 functions (GLWindowContext::Create, constructor, desctructor)
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// are copied from Unix/Win platform with unix/win changed to android
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// platform-dependent create
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GLWindowContext* GLWindowContext::Create(void* platformData, const DisplayParams& params) {
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GLWindowContext_android* ctx = new GLWindowContext_android(platformData, params);
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if (!ctx->isValid()) {
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delete ctx;
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return nullptr;
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}
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return ctx;
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}
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GLWindowContext_android::GLWindowContext_android(void* platformData, const DisplayParams& params)
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: GLWindowContext(platformData, params)
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, fDisplay(EGL_NO_DISPLAY)
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, fEGLContext(EGL_NO_CONTEXT)
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, fSurface(EGL_NO_SURFACE) {
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// any config code here (particularly for msaa)?
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this->initializeContext(platformData, params);
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}
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GLWindowContext_android::~GLWindowContext_android() {
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this->destroyContext();
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}
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void GLWindowContext_android::onInitializeContext(void* platformData, const DisplayParams& params) {
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if (platformData != nullptr) {
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ContextPlatformData_android* androidPlatformData =
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reinterpret_cast<ContextPlatformData_android*>(platformData);
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fNativeWindow = androidPlatformData->fNativeWindow;
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} else {
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SkASSERT(fNativeWindow);
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}
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fWidth = ANativeWindow_getWidth(fNativeWindow);
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fHeight = ANativeWindow_getHeight(fNativeWindow);
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fDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
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EGLint majorVersion;
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EGLint minorVersion;
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eglInitialize(fDisplay, &majorVersion, &minorVersion);
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SkAssertResult(eglBindAPI(EGL_OPENGL_ES_API));
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EGLint numConfigs = 0;
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const EGLint configAttribs[] = {
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EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
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EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
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EGL_RED_SIZE, 8,
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EGL_GREEN_SIZE, 8,
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EGL_BLUE_SIZE, 8,
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EGL_ALPHA_SIZE, 8,
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EGL_NONE
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};
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EGLConfig surfaceConfig;
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SkAssertResult(eglChooseConfig(fDisplay, configAttribs, &surfaceConfig, 1, &numConfigs));
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SkASSERT(numConfigs > 0);
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static const EGLint kEGLContextAttribsForOpenGLES[] = {
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EGL_CONTEXT_CLIENT_VERSION, 2,
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EGL_NONE
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};
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fEGLContext = eglCreateContext(
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fDisplay, surfaceConfig, nullptr, kEGLContextAttribsForOpenGLES);
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SkASSERT(EGL_NO_CONTEXT != fEGLContext);
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fSurface = eglCreateWindowSurface(
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fDisplay, surfaceConfig, fNativeWindow, nullptr);
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SkASSERT(EGL_NO_SURFACE != fSurface);
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SkAssertResult(eglMakeCurrent(fDisplay, fSurface, fSurface, fEGLContext));
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// GLWindowContext::initializeContext will call GrGLCreateNativeInterface so we
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// won't call it here.
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glClearStencil(0);
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glClearColor(0, 0, 0, 0);
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glStencilMask(0xffffffff);
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glClear(GL_STENCIL_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
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int redBits, greenBits, blueBits;
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eglGetConfigAttrib(fDisplay, surfaceConfig, EGL_RED_SIZE, &redBits);
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eglGetConfigAttrib(fDisplay, surfaceConfig, EGL_GREEN_SIZE, &greenBits);
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eglGetConfigAttrib(fDisplay, surfaceConfig, EGL_BLUE_SIZE, &blueBits);
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fColorBits = redBits + greenBits + blueBits;
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eglGetConfigAttrib(fDisplay, surfaceConfig, EGL_STENCIL_SIZE, &fStencilBits);
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eglGetConfigAttrib(fDisplay, surfaceConfig, EGL_SAMPLES, &fSampleCount);
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}
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void GLWindowContext_android::onDestroyContext() {
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if (!fDisplay || !fEGLContext || !fSurface) {
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return;
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}
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eglMakeCurrent(fDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
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SkAssertResult(eglDestroySurface(fDisplay, fSurface));
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SkAssertResult(eglDestroyContext(fDisplay, fEGLContext));
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fEGLContext = EGL_NO_CONTEXT;
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fSurface = EGL_NO_SURFACE;
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}
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void GLWindowContext_android::onSwapBuffers() {
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if (fDisplay && fEGLContext && fSurface) {
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eglSwapBuffers(fDisplay, fSurface);
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}
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}
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}
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