// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "FrameBufferAndroid.hpp"
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#include "System/GrallocAndroid.hpp"
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#include <system/window.h>
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namespace sw
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{
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inline int dequeueBuffer(ANativeWindow* window, ANativeWindowBuffer** buffer)
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{
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#if ANDROID_PLATFORM_SDK_VERSION > 16
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return native_window_dequeue_buffer_and_wait(window, buffer);
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#else
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return window->dequeueBuffer(window, buffer);
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#endif
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}
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inline int queueBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer, int fenceFd)
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{
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#if ANDROID_PLATFORM_SDK_VERSION > 16
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return window->queueBuffer(window, buffer, fenceFd);
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#else
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return window->queueBuffer(window, buffer);
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#endif
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}
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inline int cancelBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer, int fenceFd)
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{
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#if ANDROID_PLATFORM_SDK_VERSION > 16
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return window->cancelBuffer(window, buffer, fenceFd);
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#else
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return window->cancelBuffer(window, buffer);
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#endif
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}
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FrameBufferAndroid::FrameBufferAndroid(ANativeWindow* window, int width, int height)
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: FrameBuffer(width, height, false, false),
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nativeWindow(window), buffer(nullptr)
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{
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nativeWindow->common.incRef(&nativeWindow->common);
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native_window_set_usage(nativeWindow, GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN);
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}
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FrameBufferAndroid::~FrameBufferAndroid()
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{
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nativeWindow->common.decRef(&nativeWindow->common);
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}
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void FrameBufferAndroid::blit(sw::Surface *source, const Rect *sourceRect, const Rect *destRect)
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{
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copy(source);
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if(buffer)
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{
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if(framebuffer)
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{
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framebuffer = nullptr;
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unlock();
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}
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queueBuffer(nativeWindow, buffer, -1);
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}
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}
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void *FrameBufferAndroid::lock()
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{
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if(dequeueBuffer(nativeWindow, &buffer) != 0)
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{
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return nullptr;
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}
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if(GrallocModule::getInstance()->lock(buffer->handle,
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GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN,
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0, 0, buffer->width, buffer->height, &framebuffer) != 0)
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{
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TRACE("%s failed to lock buffer %p", __FUNCTION__, buffer);
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return nullptr;
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}
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if((buffer->width < width) || (buffer->height < height))
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{
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TRACE("lock failed: buffer of %dx%d too small for window of %dx%d",
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buffer->width, buffer->height, width, height);
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return nullptr;
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}
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switch(buffer->format)
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{
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case HAL_PIXEL_FORMAT_RGB_565: format = VK_FORMAT_R5G6B5_UNORM_PACK16; break;
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case HAL_PIXEL_FORMAT_RGBA_8888: format = VK_FORMAT_R8G8B8A8_UNORM; break;
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#if ANDROID_PLATFORM_SDK_VERSION > 16
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case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED: format = FORMAT_X8B8G8R8; break;
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#endif
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case HAL_PIXEL_FORMAT_RGBX_8888: format = FORMAT_X8B8G8R8; break;
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case HAL_PIXEL_FORMAT_BGRA_8888: format = VK_FORMAT_B8G8R8A8_UNORM; break;
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case HAL_PIXEL_FORMAT_RGB_888:
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// Frame buffers are expected to have 16-bit or 32-bit colors, not 24-bit.
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TRACE("Unsupported frame buffer format RGB_888"); ASSERT(false);
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format = FORMAT_R8G8B8; // Wrong component order.
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break;
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default:
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TRACE("Unsupported frame buffer format %d", buffer->format); ASSERT(false);
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format = VK_FORMAT_UNDEFINED;
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break;
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}
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stride = buffer->stride * Surface::bytes(format);
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return framebuffer;
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}
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void FrameBufferAndroid::unlock()
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{
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if(!buffer)
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{
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TRACE("%s: badness unlock with no active buffer", __FUNCTION__);
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return;
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}
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framebuffer = nullptr;
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if(GrallocModule::getInstance()->unlock(buffer->handle) != 0)
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{
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TRACE("%s: badness unlock failed", __FUNCTION__);
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}
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}
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}
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sw::FrameBuffer *createFrameBuffer(void *display, ANativeWindow* window, int width, int height)
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{
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return new sw::FrameBufferAndroid(window, width, height);
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}
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