diff options
Diffstat (limited to 'gfx/angle/checkout/src/image_util/loadimage.cpp')
| -rw-r--r-- | gfx/angle/checkout/src/image_util/loadimage.cpp | 1796 |
1 files changed, 1796 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/image_util/loadimage.cpp b/gfx/angle/checkout/src/image_util/loadimage.cpp new file mode 100644 index 0000000000..97169c00f5 --- /dev/null +++ b/gfx/angle/checkout/src/image_util/loadimage.cpp @@ -0,0 +1,1796 @@ +// +// Copyright 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. +// + +// angle_loadimage.cpp: Defines image loading functions. + +#include "image_util/loadimage.h" + +#include "common/mathutil.h" +#include "common/platform.h" +#include "image_util/imageformats.h" + +namespace angle +{ + +void LoadA8ToRGBA8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ +#if defined(ANGLE_USE_SSE) + if (gl::supportsSSE2()) + { + __m128i zeroWide = _mm_setzero_si128(); + + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint8_t *source = + priv::OffsetDataPointer<uint8_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint32_t *dest = priv::OffsetDataPointer<uint32_t>(output, y, z, outputRowPitch, + outputDepthPitch); + + size_t x = 0; + + // Make output writes aligned + for (; ((reinterpret_cast<intptr_t>(&dest[x]) & 0xF) != 0 && x < width); x++) + { + dest[x] = static_cast<uint32_t>(source[x]) << 24; + } + + for (; x + 7 < width; x += 8) + { + __m128i sourceData = + _mm_loadl_epi64(reinterpret_cast<const __m128i *>(&source[x])); + // Interleave each byte to 16bit, make the lower byte to zero + sourceData = _mm_unpacklo_epi8(zeroWide, sourceData); + // Interleave each 16bit to 32bit, make the lower 16bit to zero + __m128i lo = _mm_unpacklo_epi16(zeroWide, sourceData); + __m128i hi = _mm_unpackhi_epi16(zeroWide, sourceData); + + _mm_store_si128(reinterpret_cast<__m128i *>(&dest[x]), lo); + _mm_store_si128(reinterpret_cast<__m128i *>(&dest[x + 4]), hi); + } + + // Handle the remainder + for (; x < width; x++) + { + dest[x] = static_cast<uint32_t>(source[x]) << 24; + } + } + } + + return; + } +#endif + + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint8_t *source = + priv::OffsetDataPointer<uint8_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint32_t *dest = + priv::OffsetDataPointer<uint32_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[x] = static_cast<uint32_t>(source[x]) << 24; + } + } + } +} + +void LoadA8ToBGRA8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + // Same as loading to RGBA + LoadA8ToRGBA8(width, height, depth, input, inputRowPitch, inputDepthPitch, output, + outputRowPitch, outputDepthPitch); +} + +void LoadA32FToRGBA32F(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const float *source = + priv::OffsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch); + float *dest = + priv::OffsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[4 * x + 0] = 0.0f; + dest[4 * x + 1] = 0.0f; + dest[4 * x + 2] = 0.0f; + dest[4 * x + 3] = source[x]; + } + } + } +} + +void LoadA16FToRGBA16F(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint16_t *source = + priv::OffsetDataPointer<uint16_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint16_t *dest = + priv::OffsetDataPointer<uint16_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[4 * x + 0] = 0; + dest[4 * x + 1] = 0; + dest[4 * x + 2] = 0; + dest[4 * x + 3] = source[x]; + } + } + } +} + +void LoadL8ToRGBA8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint8_t *source = + priv::OffsetDataPointer<uint8_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint8_t *dest = + priv::OffsetDataPointer<uint8_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + uint8_t sourceVal = source[x]; + dest[4 * x + 0] = sourceVal; + dest[4 * x + 1] = sourceVal; + dest[4 * x + 2] = sourceVal; + dest[4 * x + 3] = 0xFF; + } + } + } +} + +void LoadL8ToBGRA8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + // Same as loading to RGBA + LoadL8ToRGBA8(width, height, depth, input, inputRowPitch, inputDepthPitch, output, + outputRowPitch, outputDepthPitch); +} + +void LoadL32FToRGBA32F(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const float *source = + priv::OffsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch); + float *dest = + priv::OffsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[4 * x + 0] = source[x]; + dest[4 * x + 1] = source[x]; + dest[4 * x + 2] = source[x]; + dest[4 * x + 3] = 1.0f; + } + } + } +} + +void LoadL16FToRGBA16F(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint16_t *source = + priv::OffsetDataPointer<uint16_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint16_t *dest = + priv::OffsetDataPointer<uint16_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[4 * x + 0] = source[x]; + dest[4 * x + 1] = source[x]; + dest[4 * x + 2] = source[x]; + dest[4 * x + 3] = gl::Float16One; + } + } + } +} + +void LoadLA8ToRGBA8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint8_t *source = + priv::OffsetDataPointer<uint8_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint8_t *dest = + priv::OffsetDataPointer<uint8_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[4 * x + 0] = source[2 * x + 0]; + dest[4 * x + 1] = source[2 * x + 0]; + dest[4 * x + 2] = source[2 * x + 0]; + dest[4 * x + 3] = source[2 * x + 1]; + } + } + } +} + +void LoadLA8ToBGRA8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + // Same as loading to RGBA + LoadLA8ToRGBA8(width, height, depth, input, inputRowPitch, inputDepthPitch, output, + outputRowPitch, outputDepthPitch); +} + +void LoadLA32FToRGBA32F(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const float *source = + priv::OffsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch); + float *dest = + priv::OffsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[4 * x + 0] = source[2 * x + 0]; + dest[4 * x + 1] = source[2 * x + 0]; + dest[4 * x + 2] = source[2 * x + 0]; + dest[4 * x + 3] = source[2 * x + 1]; + } + } + } +} + +void LoadLA16FToRGBA16F(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint16_t *source = + priv::OffsetDataPointer<uint16_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint16_t *dest = + priv::OffsetDataPointer<uint16_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[4 * x + 0] = source[2 * x + 0]; + dest[4 * x + 1] = source[2 * x + 0]; + dest[4 * x + 2] = source[2 * x + 0]; + dest[4 * x + 3] = source[2 * x + 1]; + } + } + } +} + +void LoadRGB8ToBGR565(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint8_t *source = + priv::OffsetDataPointer<uint8_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint16_t *dest = + priv::OffsetDataPointer<uint16_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + uint8_t r8 = source[x * 3 + 0]; + uint8_t g8 = source[x * 3 + 1]; + uint8_t b8 = source[x * 3 + 2]; + auto r5 = static_cast<uint16_t>(r8 >> 3); + auto g6 = static_cast<uint16_t>(g8 >> 2); + auto b5 = static_cast<uint16_t>(b8 >> 3); + dest[x] = (r5 << 11) | (g6 << 5) | b5; + } + } + } +} + +void LoadRGB565ToBGR565(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint16_t *source = + priv::OffsetDataPointer<uint16_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint16_t *dest = + priv::OffsetDataPointer<uint16_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + // The GL type RGB is packed with with red in the MSB, while the D3D11 type BGR + // is packed with red in the LSB + auto rgb = source[x]; + uint16_t r5 = gl::getShiftedData<5, 11>(rgb); + uint16_t g6 = gl::getShiftedData<6, 5>(rgb); + uint16_t b5 = gl::getShiftedData<5, 0>(rgb); + dest[x] = (r5 << 11) | (g6 << 5) | b5; + } + } + } +} + +void LoadRGB8ToBGRX8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint8_t *source = + priv::OffsetDataPointer<uint8_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint8_t *dest = + priv::OffsetDataPointer<uint8_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[4 * x + 0] = source[x * 3 + 2]; + dest[4 * x + 1] = source[x * 3 + 1]; + dest[4 * x + 2] = source[x * 3 + 0]; + dest[4 * x + 3] = 0xFF; + } + } + } +} + +void LoadRG8ToBGRX8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint8_t *source = + priv::OffsetDataPointer<uint8_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint8_t *dest = + priv::OffsetDataPointer<uint8_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[4 * x + 0] = 0x00; + dest[4 * x + 1] = source[x * 2 + 1]; + dest[4 * x + 2] = source[x * 2 + 0]; + dest[4 * x + 3] = 0xFF; + } + } + } +} + +void LoadR8ToBGRX8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint8_t *source = + priv::OffsetDataPointer<uint8_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint8_t *dest = + priv::OffsetDataPointer<uint8_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[4 * x + 0] = 0x00; + dest[4 * x + 1] = 0x00; + dest[4 * x + 2] = source[x]; + dest[4 * x + 3] = 0xFF; + } + } + } +} + +void LoadR5G6B5ToBGRA8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint16_t *source = + priv::OffsetDataPointer<uint16_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint8_t *dest = + priv::OffsetDataPointer<uint8_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + uint16_t rgb = source[x]; + dest[4 * x + 0] = + static_cast<uint8_t>(((rgb & 0x001F) << 3) | ((rgb & 0x001F) >> 2)); + dest[4 * x + 1] = + static_cast<uint8_t>(((rgb & 0x07E0) >> 3) | ((rgb & 0x07E0) >> 9)); + dest[4 * x + 2] = + static_cast<uint8_t>(((rgb & 0xF800) >> 8) | ((rgb & 0xF800) >> 13)); + dest[4 * x + 3] = 0xFF; + } + } + } +} + +void LoadR5G6B5ToRGBA8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint16_t *source = + priv::OffsetDataPointer<uint16_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint8_t *dest = + priv::OffsetDataPointer<uint8_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + uint16_t rgb = source[x]; + dest[4 * x + 0] = + static_cast<uint8_t>(((rgb & 0xF800) >> 8) | ((rgb & 0xF800) >> 13)); + dest[4 * x + 1] = + static_cast<uint8_t>(((rgb & 0x07E0) >> 3) | ((rgb & 0x07E0) >> 9)); + dest[4 * x + 2] = + static_cast<uint8_t>(((rgb & 0x001F) << 3) | ((rgb & 0x001F) >> 2)); + dest[4 * x + 3] = 0xFF; + } + } + } +} + +void LoadRGBA8ToBGRA8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ +#if defined(ANGLE_USE_SSE) + if (gl::supportsSSE2()) + { + __m128i brMask = _mm_set1_epi32(0x00ff00ff); + + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint32_t *source = + priv::OffsetDataPointer<uint32_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint32_t *dest = priv::OffsetDataPointer<uint32_t>(output, y, z, outputRowPitch, + outputDepthPitch); + + size_t x = 0; + + // Make output writes aligned + for (; ((reinterpret_cast<intptr_t>(&dest[x]) & 15) != 0) && x < width; x++) + { + uint32_t rgba = source[x]; + dest[x] = (ANGLE_ROTL(rgba, 16) & 0x00ff00ff) | (rgba & 0xff00ff00); + } + + for (; x + 3 < width; x += 4) + { + __m128i sourceData = + _mm_loadu_si128(reinterpret_cast<const __m128i *>(&source[x])); + // Mask out g and a, which don't change + __m128i gaComponents = _mm_andnot_si128(brMask, sourceData); + // Mask out b and r + __m128i brComponents = _mm_and_si128(sourceData, brMask); + // Swap b and r + __m128i brSwapped = _mm_shufflehi_epi16( + _mm_shufflelo_epi16(brComponents, _MM_SHUFFLE(2, 3, 0, 1)), + _MM_SHUFFLE(2, 3, 0, 1)); + __m128i result = _mm_or_si128(gaComponents, brSwapped); + _mm_store_si128(reinterpret_cast<__m128i *>(&dest[x]), result); + } + + // Perform leftover writes + for (; x < width; x++) + { + uint32_t rgba = source[x]; + dest[x] = (ANGLE_ROTL(rgba, 16) & 0x00ff00ff) | (rgba & 0xff00ff00); + } + } + } + + return; + } +#endif + + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint32_t *source = + priv::OffsetDataPointer<uint32_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint32_t *dest = + priv::OffsetDataPointer<uint32_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + uint32_t rgba = source[x]; + dest[x] = (ANGLE_ROTL(rgba, 16) & 0x00ff00ff) | (rgba & 0xff00ff00); + } + } + } +} + +void LoadRGBA8ToBGRA4(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint32_t *source = + priv::OffsetDataPointer<uint32_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint16_t *dest = + priv::OffsetDataPointer<uint16_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + uint32_t rgba8 = source[x]; + auto r4 = static_cast<uint16_t>((rgba8 & 0x000000FF) >> 4); + auto g4 = static_cast<uint16_t>((rgba8 & 0x0000FF00) >> 12); + auto b4 = static_cast<uint16_t>((rgba8 & 0x00FF0000) >> 20); + auto a4 = static_cast<uint16_t>((rgba8 & 0xFF000000) >> 28); + dest[x] = (a4 << 12) | (r4 << 8) | (g4 << 4) | b4; + } + } + } +} + +void LoadRGBA8ToRGBA4(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint32_t *source = + priv::OffsetDataPointer<uint32_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint16_t *dest = + priv::OffsetDataPointer<uint16_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + uint32_t rgba8 = source[x]; + auto r4 = static_cast<uint16_t>((rgba8 & 0x000000FF) >> 4); + auto g4 = static_cast<uint16_t>((rgba8 & 0x0000FF00) >> 12); + auto b4 = static_cast<uint16_t>((rgba8 & 0x00FF0000) >> 20); + auto a4 = static_cast<uint16_t>((rgba8 & 0xFF000000) >> 28); + dest[x] = (r4 << 12) | (g4 << 8) | (b4 << 4) | a4; + } + } + } +} + +void LoadRGBA4ToARGB4(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint16_t *source = + priv::OffsetDataPointer<uint16_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint16_t *dest = + priv::OffsetDataPointer<uint16_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[x] = ANGLE_ROTR16(source[x], 4); + } + } + } +} + +void LoadRGBA4ToBGRA8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint16_t *source = + priv::OffsetDataPointer<uint16_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint8_t *dest = + priv::OffsetDataPointer<uint8_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + uint16_t rgba = source[x]; + dest[4 * x + 0] = + static_cast<uint8_t>(((rgba & 0x00F0) << 0) | ((rgba & 0x00F0) >> 4)); + dest[4 * x + 1] = + static_cast<uint8_t>(((rgba & 0x0F00) >> 4) | ((rgba & 0x0F00) >> 8)); + dest[4 * x + 2] = + static_cast<uint8_t>(((rgba & 0xF000) >> 8) | ((rgba & 0xF000) >> 12)); + dest[4 * x + 3] = + static_cast<uint8_t>(((rgba & 0x000F) << 4) | ((rgba & 0x000F) >> 0)); + } + } + } +} + +void LoadRGBA4ToRGBA8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint16_t *source = + priv::OffsetDataPointer<uint16_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint8_t *dest = + priv::OffsetDataPointer<uint8_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + uint16_t rgba = source[x]; + dest[4 * x + 0] = + static_cast<uint8_t>(((rgba & 0xF000) >> 8) | ((rgba & 0xF000) >> 12)); + dest[4 * x + 1] = + static_cast<uint8_t>(((rgba & 0x0F00) >> 4) | ((rgba & 0x0F00) >> 8)); + dest[4 * x + 2] = + static_cast<uint8_t>(((rgba & 0x00F0) << 0) | ((rgba & 0x00F0) >> 4)); + dest[4 * x + 3] = + static_cast<uint8_t>(((rgba & 0x000F) << 4) | ((rgba & 0x000F) >> 0)); + } + } + } +} + +void LoadBGRA4ToBGRA8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint16_t *source = + priv::OffsetDataPointer<uint16_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint8_t *dest = + priv::OffsetDataPointer<uint8_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + uint16_t bgra = source[x]; + dest[4 * x + 0] = + static_cast<uint8_t>(((bgra & 0xF000) >> 8) | ((bgra & 0xF000) >> 12)); + dest[4 * x + 1] = + static_cast<uint8_t>(((bgra & 0x0F00) >> 4) | ((bgra & 0x0F00) >> 8)); + dest[4 * x + 2] = + static_cast<uint8_t>(((bgra & 0x00F0) << 0) | ((bgra & 0x00F0) >> 4)); + dest[4 * x + 3] = + static_cast<uint8_t>(((bgra & 0x000F) << 4) | ((bgra & 0x000F) >> 0)); + } + } + } +} + +void LoadRGBA8ToBGR5A1(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint32_t *source = + priv::OffsetDataPointer<uint32_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint16_t *dest = + priv::OffsetDataPointer<uint16_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + uint32_t rgba8 = source[x]; + auto r5 = static_cast<uint16_t>((rgba8 & 0x000000FF) >> 3); + auto g5 = static_cast<uint16_t>((rgba8 & 0x0000FF00) >> 11); + auto b5 = static_cast<uint16_t>((rgba8 & 0x00FF0000) >> 19); + auto a1 = static_cast<uint16_t>((rgba8 & 0xFF000000) >> 31); + dest[x] = (a1 << 15) | (r5 << 10) | (g5 << 5) | b5; + } + } + } +} + +void LoadRGBA8ToRGB5A1(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint32_t *source = + priv::OffsetDataPointer<uint32_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint16_t *dest = + priv::OffsetDataPointer<uint16_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + uint32_t rgba8 = source[x]; + auto r5 = static_cast<uint16_t>((rgba8 & 0x000000FF) >> 3); + auto g5 = static_cast<uint16_t>((rgba8 & 0x0000FF00) >> 11); + auto b5 = static_cast<uint16_t>((rgba8 & 0x00FF0000) >> 19); + auto a1 = static_cast<uint16_t>((rgba8 & 0xFF000000) >> 31); + dest[x] = (r5 << 11) | (g5 << 6) | (b5 << 1) | a1; + } + } + } +} + +void LoadRGB10A2ToBGR5A1(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const R10G10B10A2 *source = + priv::OffsetDataPointer<R10G10B10A2>(input, y, z, inputRowPitch, inputDepthPitch); + uint16_t *dest = + priv::OffsetDataPointer<uint16_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + R10G10B10A2 rgb10a2 = source[x]; + + uint16_t r5 = static_cast<uint16_t>(rgb10a2.R >> 5u); + uint16_t g5 = static_cast<uint16_t>(rgb10a2.G >> 5u); + uint16_t b5 = static_cast<uint16_t>(rgb10a2.B >> 5u); + uint16_t a1 = static_cast<uint16_t>(rgb10a2.A >> 1u); + + dest[x] = (a1 << 15) | (r5 << 10) | (g5 << 5) | b5; + } + } + } +} + +void LoadRGB10A2ToRGB5A1(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const R10G10B10A2 *source = + priv::OffsetDataPointer<R10G10B10A2>(input, y, z, inputRowPitch, inputDepthPitch); + uint16_t *dest = + priv::OffsetDataPointer<uint16_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + R10G10B10A2 rgb10a2 = source[x]; + + uint16_t r5 = static_cast<uint16_t>(rgb10a2.R >> 5u); + uint16_t g5 = static_cast<uint16_t>(rgb10a2.G >> 5u); + uint16_t b5 = static_cast<uint16_t>(rgb10a2.B >> 5u); + uint16_t a1 = static_cast<uint16_t>(rgb10a2.A >> 1u); + + dest[x] = (r5 << 11) | (g5 << 6) | (b5 << 1) | a1; + } + } + } +} + +void LoadRGB5A1ToA1RGB5(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint16_t *source = + priv::OffsetDataPointer<uint16_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint16_t *dest = + priv::OffsetDataPointer<uint16_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[x] = ANGLE_ROTR16(source[x], 1); + } + } + } +} + +void LoadRGB5A1ToBGR5A1(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint16_t *source = + priv::OffsetDataPointer<uint16_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint16_t *dest = + priv::OffsetDataPointer<uint16_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + uint16_t rgba = source[x]; + auto r5 = static_cast<uint16_t>((rgba & 0xF800) >> 11); + auto g5 = static_cast<uint16_t>((rgba & 0x07c0) >> 6); + auto b5 = static_cast<uint16_t>((rgba & 0x003e) >> 1); + auto a1 = static_cast<uint16_t>((rgba & 0x0001)); + dest[x] = (b5 << 11) | (g5 << 6) | (r5 << 1) | a1; + } + } + } +} + +void LoadRGB5A1ToBGRA8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint16_t *source = + priv::OffsetDataPointer<uint16_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint8_t *dest = + priv::OffsetDataPointer<uint8_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + uint16_t rgba = source[x]; + dest[4 * x + 0] = + static_cast<uint8_t>(((rgba & 0x003E) << 2) | ((rgba & 0x003E) >> 3)); + dest[4 * x + 1] = + static_cast<uint8_t>(((rgba & 0x07C0) >> 3) | ((rgba & 0x07C0) >> 8)); + dest[4 * x + 2] = + static_cast<uint8_t>(((rgba & 0xF800) >> 8) | ((rgba & 0xF800) >> 13)); + dest[4 * x + 3] = static_cast<uint8_t>((rgba & 0x0001) ? 0xFF : 0); + } + } + } +} + +void LoadRGB5A1ToRGBA8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint16_t *source = + priv::OffsetDataPointer<uint16_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint8_t *dest = + priv::OffsetDataPointer<uint8_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + uint16_t rgba = source[x]; + dest[4 * x + 0] = + static_cast<uint8_t>(((rgba & 0xF800) >> 8) | ((rgba & 0xF800) >> 13)); + dest[4 * x + 1] = + static_cast<uint8_t>(((rgba & 0x07C0) >> 3) | ((rgba & 0x07C0) >> 8)); + dest[4 * x + 2] = + static_cast<uint8_t>(((rgba & 0x003E) << 2) | ((rgba & 0x003E) >> 3)); + dest[4 * x + 3] = static_cast<uint8_t>((rgba & 0x0001) ? 0xFF : 0); + } + } + } +} + +void LoadBGR5A1ToBGRA8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint16_t *source = + priv::OffsetDataPointer<uint16_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint8_t *dest = + priv::OffsetDataPointer<uint8_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + uint16_t bgra = source[x]; + dest[4 * x + 0] = + static_cast<uint8_t>(((bgra & 0xF800) >> 8) | ((bgra & 0xF800) >> 13)); + dest[4 * x + 1] = + static_cast<uint8_t>(((bgra & 0x07C0) >> 3) | ((bgra & 0x07C0) >> 8)); + dest[4 * x + 2] = + static_cast<uint8_t>(((bgra & 0x003E) << 2) | ((bgra & 0x003E) >> 3)); + dest[4 * x + 3] = static_cast<uint8_t>((bgra & 0x0001) ? 0xFF : 0); + } + } + } +} + +void LoadRGB10A2ToRGBA8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint32_t *source = + priv::OffsetDataPointer<uint32_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint8_t *dest = + priv::OffsetDataPointer<uint8_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + uint32_t rgba = source[x]; + dest[4 * x + 0] = static_cast<uint8_t>((rgba & 0x000003FF) >> 2); + dest[4 * x + 1] = static_cast<uint8_t>((rgba & 0x000FFC00) >> 12); + dest[4 * x + 2] = static_cast<uint8_t>((rgba & 0x3FF00000) >> 22); + dest[4 * x + 3] = static_cast<uint8_t>(((rgba & 0xC0000000) >> 30) * 0x55); + } + } + } +} + +void LoadRGB10A2ToRGB10X2(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint32_t *source = + priv::OffsetDataPointer<uint32_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint32_t *dest = + priv::OffsetDataPointer<uint32_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[x] = source[x] | 0xC0000000; + } + } + } +} + +void LoadRGB16FToRGB9E5(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint16_t *source = + priv::OffsetDataPointer<uint16_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint32_t *dest = + priv::OffsetDataPointer<uint32_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[x] = gl::convertRGBFloatsTo999E5(gl::float16ToFloat32(source[x * 3 + 0]), + gl::float16ToFloat32(source[x * 3 + 1]), + gl::float16ToFloat32(source[x * 3 + 2])); + } + } + } +} + +void LoadRGB32FToRGB9E5(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const float *source = + priv::OffsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch); + uint32_t *dest = + priv::OffsetDataPointer<uint32_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[x] = gl::convertRGBFloatsTo999E5(source[x * 3 + 0], source[x * 3 + 1], + source[x * 3 + 2]); + } + } + } +} + +void LoadRGB16FToRG11B10F(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint16_t *source = + priv::OffsetDataPointer<uint16_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint32_t *dest = + priv::OffsetDataPointer<uint32_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[x] = (gl::float32ToFloat11(gl::float16ToFloat32(source[x * 3 + 0])) << 0) | + (gl::float32ToFloat11(gl::float16ToFloat32(source[x * 3 + 1])) << 11) | + (gl::float32ToFloat10(gl::float16ToFloat32(source[x * 3 + 2])) << 22); + } + } + } +} + +void LoadRGB32FToRG11B10F(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const float *source = + priv::OffsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch); + uint32_t *dest = + priv::OffsetDataPointer<uint32_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[x] = (gl::float32ToFloat11(source[x * 3 + 0]) << 0) | + (gl::float32ToFloat11(source[x * 3 + 1]) << 11) | + (gl::float32ToFloat10(source[x * 3 + 2]) << 22); + } + } + } +} + +void LoadG8R24ToR24G8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint32_t *source = + priv::OffsetDataPointer<uint32_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint32_t *dest = + priv::OffsetDataPointer<uint32_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + uint32_t d = source[x] >> 8; + uint8_t s = source[x] & 0xFF; + dest[x] = d | (s << 24); + } + } + } +} + +void LoadD24S8ToD32FS8X24(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint32_t *source = + priv::OffsetDataPointer<uint32_t>(input, y, z, inputRowPitch, inputDepthPitch); + float *destDepth = + priv::OffsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch); + uint32_t *destStencil = + priv::OffsetDataPointer<uint32_t>(output, y, z, outputRowPitch, outputDepthPitch) + + 1; + for (size_t x = 0; x < width; x++) + { + destDepth[x * 2] = (source[x] & 0xFFFFFF) / static_cast<float>(0xFFFFFF); + destStencil[x * 2] = source[x] & 0xFF000000; + } + } + } +} + +void LoadD24S8ToD32F(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint32_t *source = + priv::OffsetDataPointer<uint32_t>(input, y, z, inputRowPitch, inputDepthPitch); + float *destDepth = + priv::OffsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + uint32_t sourcePixel = (source[x] >> 8) & 0xFFFFFF; + destDepth[x] = sourcePixel / static_cast<float>(0xFFFFFF); + } + } + } +} + +void LoadD32ToD32FX32(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint32_t *source = + priv::OffsetDataPointer<uint32_t>(input, y, z, inputRowPitch, inputDepthPitch); + float *destDepth = + priv::OffsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + destDepth[x * 2] = source[x] / static_cast<float>(0xFFFFFFFF); + } + } + } +} + +void LoadD32ToD32F(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint32_t *source = + priv::OffsetDataPointer<uint32_t>(input, y, z, inputRowPitch, inputDepthPitch); + float *destDepth = + priv::OffsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + uint32_t sourcePixel = source[x]; + destDepth[x] = sourcePixel / static_cast<float>(0xFFFFFFFF); + } + } + } +} + +void LoadD32FToD32F(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const float *source = + priv::OffsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch); + float *dest = + priv::OffsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[x] = gl::clamp01(source[x]); + } + } + } +} + +void LoadD32FS8X24ToD24S8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const float *sourceDepth = + priv::OffsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch); + const uint32_t *sourceStencil = + priv::OffsetDataPointer<uint32_t>(input, y, z, inputRowPitch, inputDepthPitch) + 1; + uint32_t *dest = + priv::OffsetDataPointer<uint32_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + uint32_t d = static_cast<uint32_t>(gl::clamp01(sourceDepth[x * 2]) * 0xFFFFFF); + uint32_t s = sourceStencil[x * 2] & 0xFF000000; + dest[x] = d | s; + } + } + } +} + +void LoadX24S8ToS8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint32_t *source = reinterpret_cast<const uint32_t *>( + input + (y * inputRowPitch) + (z * inputDepthPitch)); + uint8_t *destStencil = + reinterpret_cast<uint8_t *>(output + (y * outputRowPitch) + (z * outputDepthPitch)); + for (size_t x = 0; x < width; x++) + { + destStencil[x] = (source[x] & 0xFF); + } + } + } +} + +void LoadX32S8ToS8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint32_t *source = reinterpret_cast<const uint32_t *>( + input + (y * inputRowPitch) + (z * inputDepthPitch)); + uint8_t *destStencil = + reinterpret_cast<uint8_t *>(output + (y * outputRowPitch) + (z * outputDepthPitch)); + for (size_t x = 0; x < width; x++) + { + destStencil[x] = (source[(x * 2) + 1] & 0xFF); + } + } + } +} + +void LoadD32FS8X24ToD32F(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const float *sourceDepth = + priv::OffsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch); + float *destDepth = + priv::OffsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + destDepth[x] = gl::clamp01(sourceDepth[x * 2]); + } + } + } +} + +void LoadD32FS8X24ToD32FS8X24(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const float *sourceDepth = + priv::OffsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch); + const uint32_t *sourceStencil = + priv::OffsetDataPointer<uint32_t>(input, y, z, inputRowPitch, inputDepthPitch) + 1; + float *destDepth = + priv::OffsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch); + uint32_t *destStencil = + priv::OffsetDataPointer<uint32_t>(output, y, z, outputRowPitch, outputDepthPitch) + + 1; + for (size_t x = 0; x < width; x++) + { + destDepth[x * 2] = gl::clamp01(sourceDepth[x * 2]); + destStencil[x * 2] = sourceStencil[x * 2] & 0xFF000000; + } + } + } +} + +void LoadRGB32FToRGBA16F(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const float *source = + priv::OffsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch); + uint16_t *dest = + priv::OffsetDataPointer<uint16_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[x * 4 + 0] = gl::float32ToFloat16(source[x * 3 + 0]); + dest[x * 4 + 1] = gl::float32ToFloat16(source[x * 3 + 1]); + dest[x * 4 + 2] = gl::float32ToFloat16(source[x * 3 + 2]); + dest[x * 4 + 3] = gl::Float16One; + } + } + } +} + +void LoadRGB32FToRGB16F(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const float *source = + priv::OffsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch); + uint16_t *dest = + priv::OffsetDataPointer<uint16_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[x * 3 + 0] = gl::float32ToFloat16(source[x * 3 + 0]); + dest[x * 3 + 1] = gl::float32ToFloat16(source[x * 3 + 1]); + dest[x * 3 + 2] = gl::float32ToFloat16(source[x * 3 + 2]); + } + } + } +} + +void LoadR32ToR16(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint32_t *source = + priv::OffsetDataPointer<uint32_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint16_t *dest = + priv::OffsetDataPointer<uint16_t>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[x] = source[x] >> 16; + } + } + } +} + +void LoadR32ToR24G8(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint32_t *source = + priv::OffsetDataPointer<uint32_t>(input, y, z, inputRowPitch, inputDepthPitch); + uint32_t *dest = + priv::OffsetDataPointer<uint32_t>(output, y, z, outputRowPitch, outputDepthPitch); + + for (size_t x = 0; x < width; x++) + { + dest[x] = source[x] >> 8; + } + } + } +} + +// This conversion was added to support using a 32F depth buffer +// as emulation for 16unorm depth buffer in Metal. +// See angleproject:6597 +void LoadUNorm16To32F(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint16_t *source = + priv::OffsetDataPointer<uint16_t>(input, y, z, inputRowPitch, inputDepthPitch); + float *dest = + priv::OffsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[x] = static_cast<float>(source[x]) / 0xFFFF; + } + } + } +} + +// This conversion was added to support using a 32F depth buffer +// as emulation for 16unorm depth buffer in Metal. In OpenGL ES 3.0 +// you're allowed to pass UNSIGNED_INT as input to texImage2D and +// so this conversion is neccasary. +// +// See angleproject:6597 +void LoadUNorm32To32F(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + for (size_t z = 0; z < depth; z++) + { + for (size_t y = 0; y < height; y++) + { + const uint16_t *source = + priv::OffsetDataPointer<uint16_t>(input, y, z, inputRowPitch, inputDepthPitch); + float *dest = + priv::OffsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch); + for (size_t x = 0; x < width; x++) + { + dest[x] = static_cast<float>(source[x]) / static_cast<float>(0xFFFFFFFFU); + } + } + } +} + +void LoadYuvToNative(size_t width, + size_t height, + size_t depth, + const uint8_t *input, + size_t inputRowPitch, + size_t inputDepthPitch, + uint8_t *output, + size_t outputRowPitch, + size_t outputDepthPitch) +{ + // For YUV formats it is assumed that source has tightly packed data. + memcpy(output, input, inputDepthPitch); +} + +} // namespace angle |