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Diffstat (limited to 'chromium/third_party/angle/src/libGLESv2/renderer/loadimage.h')
| -rw-r--r-- | chromium/third_party/angle/src/libGLESv2/renderer/loadimage.h | 343 |
1 files changed, 343 insertions, 0 deletions
diff --git a/chromium/third_party/angle/src/libGLESv2/renderer/loadimage.h b/chromium/third_party/angle/src/libGLESv2/renderer/loadimage.h new file mode 100644 index 00000000000..537a5e4c170 --- /dev/null +++ b/chromium/third_party/angle/src/libGLESv2/renderer/loadimage.h @@ -0,0 +1,343 @@ +// +// Copyright (c) 2013 The ANGLE Project Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. +// + +// loadimage.h: Defines image loading functions + +#ifndef LIBGLESV2_RENDERER_LOADIMAGE_H_ +#define LIBGLESV2_RENDERER_LOADIMAGE_H_ + +#include "common/mathutil.h" + +namespace rx +{ + +template <typename T> +inline static T *offsetDataPointer(void *data, int y, int z, int rowPitch, int depthPitch) +{ + return reinterpret_cast<T*>(reinterpret_cast<unsigned char*>(data) + (y * rowPitch) + (z * depthPitch)); +} + +template <typename T> +inline static const T *offsetDataPointer(const void *data, int y, int z, int rowPitch, int depthPitch) +{ + return reinterpret_cast<const T*>(reinterpret_cast<const unsigned char*>(data) + (y * rowPitch) + (z * depthPitch)); +} + +void loadAlphaDataToBGRA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadAlphaDataToNative(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadAlphaDataToBGRASSE2(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadAlphaFloatDataToRGBA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadAlphaHalfFloatDataToRGBA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadLuminanceDataToNative(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadLuminanceDataToBGRA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadLuminanceFloatDataToRGBA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadLuminanceFloatDataToRGB(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadLuminanceHalfFloatDataToRGBA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadLuminanceAlphaDataToNative(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadLuminanceAlphaDataToBGRA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadLuminanceAlphaFloatDataToRGBA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadLuminanceAlphaHalfFloatDataToRGBA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGBUByteDataToBGRX(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGUByteDataToBGRX(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRUByteDataToBGRX(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGBUByteDataToRGBA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGBSByteDataToRGBA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGB565DataToBGRA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGB565DataToRGBA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGBFloatDataToRGBA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGBFloatDataToNative(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGBHalfFloatDataToRGBA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGBAUByteDataToBGRASSE2(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGBAUByteDataToBGRA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGBAUByteDataToNative(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGBA4444DataToBGRA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGBA4444DataToRGBA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGBA5551DataToBGRA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGBA5551DataToRGBA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGBAFloatDataToRGBA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGBAHalfFloatDataToRGBA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadBGRADataToBGRA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGBA2101010ToNative(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGBA2101010ToRGBA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGBHalfFloatDataTo999E5(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGBFloatDataTo999E5(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGBHalfFloatDataTo111110Float(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadRGBFloatDataTo111110Float(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +void loadG8R24DataToR24G8(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +template <typename type, unsigned int componentCount> +void loadToNative(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch) +{ + const unsigned int rowSize = width * sizeof(type) * componentCount; + const unsigned int layerSize = rowSize * height; + const unsigned int imageSize = layerSize * depth; + + if (layerSize == inputDepthPitch && layerSize == outputDepthPitch) + { + ASSERT(rowSize == inputRowPitch && rowSize == outputRowPitch); + memcpy(output, input, imageSize); + } + else if (rowSize == inputRowPitch && rowSize == outputRowPitch) + { + for (int z = 0; z < depth; z++) + { + const type *source = offsetDataPointer<type>(input, 0, z, inputRowPitch, inputDepthPitch); + type *dest = offsetDataPointer<type>(output, 0, z, outputRowPitch, outputDepthPitch); + + memcpy(dest, source, layerSize); + } + } + else + { + for (int z = 0; z < depth; z++) + { + for (int y = 0; y < height; y++) + { + const type *source = offsetDataPointer<type>(input, y, z, inputRowPitch, inputDepthPitch); + type *dest = offsetDataPointer<type>(output, y, z, outputRowPitch, outputDepthPitch); + memcpy(dest, source, width * sizeof(type) * componentCount); + } + } + } +} + +template <typename type, unsigned int fourthComponentBits> +void loadToNative3To4(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch) +{ + const type *source = NULL; + type *dest = NULL; + + const unsigned int fourthBits = fourthComponentBits; + const type fourthValue = *reinterpret_cast<const type*>(&fourthBits); + + for (int z = 0; z < depth; z++) + { + for (int y = 0; y < height; y++) + { + source = offsetDataPointer<type>(input, y, z, inputRowPitch, inputDepthPitch); + dest = offsetDataPointer<type>(output, y, z, outputRowPitch, outputDepthPitch); + + for (int x = 0; x < width; x++) + { + dest[x * 4 + 0] = source[x * 3 + 0]; + dest[x * 4 + 1] = source[x * 3 + 1]; + dest[x * 4 + 2] = source[x * 3 + 2]; + dest[x * 4 + 3] = fourthValue; + } + } + } +} + +template <unsigned int componentCount> +void loadFloatDataToHalfFloat(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch) +{ + const float *source = NULL; + unsigned short *dest = NULL; + + const int elementWidth = componentCount * width; + + for (int z = 0; z < depth; z++) + { + for (int y = 0; y < height; y++) + { + source = offsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch); + dest = offsetDataPointer<unsigned short>(output, y, z, outputRowPitch, outputDepthPitch); + + for (int x = 0; x < elementWidth; x++) + { + dest[x] = gl::float32ToFloat16(source[x]); + } + } + } +} + +void loadFloatRGBDataToHalfFloatRGBA(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +template <unsigned int blockWidth, unsigned int blockHeight, unsigned int blockSize> +void loadCompressedBlockDataToNative(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch) +{ + int columns = (width + (blockWidth - 1)) / blockWidth; + int rows = (height + (blockHeight - 1)) / blockHeight; + + for (int z = 0; z < depth; ++z) + { + for (int y = 0; y < rows; ++y) + { + void *source = (void*)((char*)input + y * inputRowPitch + z * inputDepthPitch); + void *dest = (void*)((char*)output + y * outputRowPitch + z * outputDepthPitch); + + memcpy(dest, source, columns * blockSize); + } + } +} + +void loadUintDataToUshort(int width, int height, int depth, + const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); + +template <typename type, unsigned int firstBits, unsigned int secondBits, unsigned int thirdBits, unsigned int fourthBits> +void initialize4ComponentData(int width, int height, int depth, + void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch) +{ + unsigned int writeBits[4] = { firstBits, secondBits, thirdBits, fourthBits }; + type writeValues[4] = { *reinterpret_cast<const type*>(&writeBits[0]), + *reinterpret_cast<const type*>(&writeBits[1]), + *reinterpret_cast<const type*>(&writeBits[2]), + *reinterpret_cast<const type*>(&writeBits[3]) }; + + for (int z = 0; z < depth; z++) + { + for (int y = 0; y < height; y++) + { + type* destRow = offsetDataPointer<type>(output, y, z, outputRowPitch, outputDepthPitch); + + for (int x = 0; x < width; x++) + { + type* destPixel = destRow + x * 4; + + // This could potentially be optimized by generating an entire row of initialization + // data and copying row by row instead of pixel by pixel. + memcpy(destPixel, writeValues, sizeof(type) * 4); + } + } + } +} + +} + +#endif // LIBGLESV2_RENDERER_LOADIMAGE_H_ |