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109 lines
4.0 KiB
109 lines
4.0 KiB
/*
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* Copyright 2013 The Android Open Source Project
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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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*/
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#include "FillBuffer.h"
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#include <ui/GraphicBuffer.h>
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#include <gtest/gtest.h>
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namespace android {
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void fillYV12Buffer(uint8_t* buf, int w, int h, int stride) {
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const int blockWidth = w > 16 ? w / 16 : 1;
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const int blockHeight = h > 16 ? h / 16 : 1;
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const int yuvTexOffsetY = 0;
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int yuvTexStrideY = stride;
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int yuvTexOffsetV = yuvTexStrideY * h;
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int yuvTexStrideV = (yuvTexStrideY/2 + 0xf) & ~0xf;
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int yuvTexOffsetU = yuvTexOffsetV + yuvTexStrideV * h/2;
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int yuvTexStrideU = yuvTexStrideV;
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for (int x = 0; x < w; x++) {
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for (int y = 0; y < h; y++) {
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int parityX = (x / blockWidth) & 1;
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int parityY = (y / blockHeight) & 1;
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unsigned char intensity = (parityX ^ parityY) ? 63 : 191;
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buf[yuvTexOffsetY + (y * yuvTexStrideY) + x] = intensity;
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if (x < w / 2 && y < h / 2) {
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buf[yuvTexOffsetU + (y * yuvTexStrideU) + x] = intensity;
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if (x * 2 < w / 2 && y * 2 < h / 2) {
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buf[yuvTexOffsetV + (y*2 * yuvTexStrideV) + x*2 + 0] =
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buf[yuvTexOffsetV + (y*2 * yuvTexStrideV) + x*2 + 1] =
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buf[yuvTexOffsetV + ((y*2+1) * yuvTexStrideV) + x*2 + 0] =
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buf[yuvTexOffsetV + ((y*2+1) * yuvTexStrideV) + x*2 + 1] =
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intensity;
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}
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}
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}
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}
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}
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void fillYV12BufferRect(uint8_t* buf, int w, int h, int stride,
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const android_native_rect_t& rect) {
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const int yuvTexOffsetY = 0;
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int yuvTexStrideY = stride;
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int yuvTexOffsetV = yuvTexStrideY * h;
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int yuvTexStrideV = (yuvTexStrideY/2 + 0xf) & ~0xf;
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int yuvTexOffsetU = yuvTexOffsetV + yuvTexStrideV * h/2;
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int yuvTexStrideU = yuvTexStrideV;
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for (int x = 0; x < w; x++) {
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for (int y = 0; y < h; y++) {
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bool inside = rect.left <= x && x < rect.right &&
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rect.top <= y && y < rect.bottom;
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buf[yuvTexOffsetY + (y * yuvTexStrideY) + x] = inside ? 240 : 64;
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if (x < w / 2 && y < h / 2) {
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bool inside = rect.left <= 2*x && 2*x < rect.right &&
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rect.top <= 2*y && 2*y < rect.bottom;
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buf[yuvTexOffsetU + (y * yuvTexStrideU) + x] = 16;
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buf[yuvTexOffsetV + (y * yuvTexStrideV) + x] =
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inside ? 16 : 255;
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}
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}
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}
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}
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void fillRGBA8Buffer(uint8_t* buf, int w, int h, int stride) {
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const size_t PIXEL_SIZE = 4;
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for (int x = 0; x < w; x++) {
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for (int y = 0; y < h; y++) {
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off_t offset = (y * stride + x) * PIXEL_SIZE;
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for (int c = 0; c < 4; c++) {
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int parityX = (x / (1 << (c+2))) & 1;
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int parityY = (y / (1 << (c+2))) & 1;
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buf[offset + c] = (parityX ^ parityY) ? 231 : 35;
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}
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}
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}
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}
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void produceOneRGBA8Frame(const sp<ANativeWindow>& anw) {
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android_native_buffer_t* anb;
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ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(anw.get(),
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&anb));
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ASSERT_TRUE(anb != nullptr);
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sp<GraphicBuffer> buf(GraphicBuffer::from(anb));
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uint8_t* img = nullptr;
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ASSERT_EQ(NO_ERROR, buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN,
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(void**)(&img)));
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fillRGBA8Buffer(img, buf->getWidth(), buf->getHeight(), buf->getStride());
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ASSERT_EQ(NO_ERROR, buf->unlock());
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ASSERT_EQ(NO_ERROR, anw->queueBuffer(anw.get(), buf->getNativeBuffer(),
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-1));
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}
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} // namespace android
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