| |
| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "RasterWindowContext_android.h" |
| |
| #include "SkSurface.h" |
| #include "SkTypes.h" |
| |
| #include "Window_android.h" |
| |
| namespace sk_app { |
| |
| RasterWindowContext* RasterWindowContext::Create(void* platformData, const DisplayParams& params) { |
| RasterWindowContext* ctx = new RasterWindowContext_android(platformData, params); |
| if (!ctx->isValid()) { |
| delete ctx; |
| ctx = nullptr; |
| } |
| return ctx; |
| } |
| |
| RasterWindowContext_android::RasterWindowContext_android( |
| void* platformData, const DisplayParams& params) { |
| fDisplayParams = params; |
| ContextPlatformData_android* androidPlatformData = |
| reinterpret_cast<ContextPlatformData_android*>(platformData); |
| fNativeWindow = androidPlatformData->fNativeWindow; |
| fWidth = ANativeWindow_getWidth(fNativeWindow); |
| fHeight = ANativeWindow_getHeight(fNativeWindow); |
| this->setBuffersGeometry(); |
| } |
| |
| void RasterWindowContext_android::setBuffersGeometry() { |
| int32_t format = 0; |
| switch(fDisplayParams.fColorType) { |
| case kRGBA_8888_SkColorType: |
| format = WINDOW_FORMAT_RGBA_8888; |
| break; |
| case kRGB_565_SkColorType: |
| format = WINDOW_FORMAT_RGB_565; |
| break; |
| default: |
| SK_ABORT("Unsupported Android color type"); |
| } |
| ANativeWindow_setBuffersGeometry(fNativeWindow, fWidth, fHeight, format); |
| } |
| |
| void RasterWindowContext_android::setDisplayParams(const DisplayParams& params) { |
| fDisplayParams = params; |
| this->setBuffersGeometry(); |
| } |
| |
| void RasterWindowContext_android::resize(uint32_t w, uint32_t h) { |
| fWidth = w; |
| fHeight = h; |
| this->setBuffersGeometry(); |
| } |
| |
| sk_sp<SkSurface> RasterWindowContext_android::getBackbufferSurface() { |
| if (nullptr == fBackbufferSurface) { |
| ANativeWindow_lock(fNativeWindow, &fBuffer, &fBounds); |
| const int bytePerPixel = fBuffer.format == WINDOW_FORMAT_RGB_565 ? 2 : 4; |
| SkImageInfo info = SkImageInfo::Make(fWidth, fHeight, |
| fDisplayParams.fColorType, |
| kPremul_SkAlphaType, |
| fDisplayParams.fColorSpace); |
| fBackbufferSurface = SkSurface::MakeRasterDirect( |
| info, fBuffer.bits, fBuffer.stride * bytePerPixel, nullptr); |
| } |
| return fBackbufferSurface; |
| } |
| |
| |
| void RasterWindowContext_android::swapBuffers() { |
| ANativeWindow_unlockAndPost(fNativeWindow); |
| fBackbufferSurface.reset(nullptr); |
| } |
| |
| } // namespace sk_app |