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Diffstat (limited to 'src/3rdparty/angle/src/image_util/generatemip.inl')
-rw-r--r-- | src/3rdparty/angle/src/image_util/generatemip.inl | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/src/3rdparty/angle/src/image_util/generatemip.inl b/src/3rdparty/angle/src/image_util/generatemip.inl deleted file mode 100644 index ddf510c749..0000000000 --- a/src/3rdparty/angle/src/image_util/generatemip.inl +++ /dev/null @@ -1,268 +0,0 @@ -// -// Copyright (c) 2015 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. -// - -// generatemip.inl: Defines the GenerateMip function, templated on the format -// type of the image for which mip levels are being generated. - -#include "common/mathutil.h" - -#include "image_util/imageformats.h" - -namespace angle -{ - -namespace priv -{ - -template <typename T> -static inline T *GetPixel(uint8_t *data, size_t x, size_t y, size_t z, size_t rowPitch, size_t depthPitch) -{ - return reinterpret_cast<T*>(data + (x * sizeof(T)) + (y * rowPitch) + (z * depthPitch)); -} - -template <typename T> -static inline const T *GetPixel(const uint8_t *data, size_t x, size_t y, size_t z, size_t rowPitch, size_t depthPitch) -{ - return reinterpret_cast<const T*>(data + (x * sizeof(T)) + (y * rowPitch) + (z * depthPitch)); -} - -template <typename T> -static void GenerateMip_Y(size_t sourceWidth, size_t sourceHeight, size_t sourceDepth, - const uint8_t *sourceData, size_t sourceRowPitch, size_t sourceDepthPitch, - size_t destWidth, size_t destHeight, size_t destDepth, - uint8_t *destData, size_t destRowPitch, size_t destDepthPitch) -{ - ASSERT(sourceWidth == 1); - ASSERT(sourceHeight > 1); - ASSERT(sourceDepth == 1); - - for (size_t y = 0; y < destHeight; y++) - { - const T *src0 = GetPixel<T>(sourceData, 0, y * 2, 0, sourceRowPitch, sourceDepthPitch); - const T *src1 = GetPixel<T>(sourceData, 0, y * 2 + 1, 0, sourceRowPitch, sourceDepthPitch); - T *dst = GetPixel<T>(destData, 0, y, 0, destRowPitch, destDepthPitch); - - T::average(dst, src0, src1); - } -} - -template <typename T> -static void GenerateMip_X(size_t sourceWidth, size_t sourceHeight, size_t sourceDepth, - const uint8_t *sourceData, size_t sourceRowPitch, size_t sourceDepthPitch, - size_t destWidth, size_t destHeight, size_t destDepth, - uint8_t *destData, size_t destRowPitch, size_t destDepthPitch) -{ - ASSERT(sourceWidth > 1); - ASSERT(sourceHeight == 1); - ASSERT(sourceDepth == 1); - - for (size_t x = 0; x < destWidth; x++) - { - const T *src0 = GetPixel<T>(sourceData, x * 2, 0, 0, sourceRowPitch, sourceDepthPitch); - const T *src1 = GetPixel<T>(sourceData, x * 2 + 1, 0, 0, sourceRowPitch, sourceDepthPitch); - T *dst = GetPixel<T>(destData, x, 0, 0, destRowPitch, destDepthPitch); - - T::average(dst, src0, src1); - } -} - -template <typename T> -static void GenerateMip_Z(size_t sourceWidth, size_t sourceHeight, size_t sourceDepth, - const uint8_t *sourceData, size_t sourceRowPitch, size_t sourceDepthPitch, - size_t destWidth, size_t destHeight, size_t destDepth, - uint8_t *destData, size_t destRowPitch, size_t destDepthPitch) -{ - ASSERT(sourceWidth == 1); - ASSERT(sourceHeight == 1); - ASSERT(sourceDepth > 1); - - for (size_t z = 0; z < destDepth; z++) - { - const T *src0 = GetPixel<T>(sourceData, 0, 0, z * 2, sourceRowPitch, sourceDepthPitch); - const T *src1 = GetPixel<T>(sourceData, 0, 0, z * 2 + 1, sourceRowPitch, sourceDepthPitch); - T *dst = GetPixel<T>(destData, 0, 0, z, destRowPitch, destDepthPitch); - - T::average(dst, src0, src1); - } -} - -template <typename T> -static void GenerateMip_XY(size_t sourceWidth, size_t sourceHeight, size_t sourceDepth, - const uint8_t *sourceData, size_t sourceRowPitch, size_t sourceDepthPitch, - size_t destWidth, size_t destHeight, size_t destDepth, - uint8_t *destData, size_t destRowPitch, size_t destDepthPitch) -{ - ASSERT(sourceWidth > 1); - ASSERT(sourceHeight > 1); - ASSERT(sourceDepth == 1); - - for (size_t y = 0; y < destHeight; y++) - { - for (size_t x = 0; x < destWidth; x++) - { - const T *src0 = GetPixel<T>(sourceData, x * 2, y * 2, 0, sourceRowPitch, sourceDepthPitch); - const T *src1 = GetPixel<T>(sourceData, x * 2, y * 2 + 1, 0, sourceRowPitch, sourceDepthPitch); - const T *src2 = GetPixel<T>(sourceData, x * 2 + 1, y * 2, 0, sourceRowPitch, sourceDepthPitch); - const T *src3 = GetPixel<T>(sourceData, x * 2 + 1, y * 2 + 1, 0, sourceRowPitch, sourceDepthPitch); - T *dst = GetPixel<T>(destData, x, y, 0, destRowPitch, destDepthPitch); - - T tmp0, tmp1; - - T::average(&tmp0, src0, src1); - T::average(&tmp1, src2, src3); - T::average(dst, &tmp0, &tmp1); - } - } -} - -template <typename T> -static void GenerateMip_YZ(size_t sourceWidth, size_t sourceHeight, size_t sourceDepth, - const uint8_t *sourceData, size_t sourceRowPitch, size_t sourceDepthPitch, - size_t destWidth, size_t destHeight, size_t destDepth, - uint8_t *destData, size_t destRowPitch, size_t destDepthPitch) -{ - ASSERT(sourceWidth == 1); - ASSERT(sourceHeight > 1); - ASSERT(sourceDepth > 1); - - for (size_t z = 0; z < destDepth; z++) - { - for (size_t y = 0; y < destHeight; y++) - { - const T *src0 = GetPixel<T>(sourceData, 0, y * 2, z * 2, sourceRowPitch, sourceDepthPitch); - const T *src1 = GetPixel<T>(sourceData, 0, y * 2, z * 2 + 1, sourceRowPitch, sourceDepthPitch); - const T *src2 = GetPixel<T>(sourceData, 0, y * 2 + 1, z * 2, sourceRowPitch, sourceDepthPitch); - const T *src3 = GetPixel<T>(sourceData, 0, y * 2 + 1, z * 2 + 1, sourceRowPitch, sourceDepthPitch); - T *dst = GetPixel<T>(destData, 0, y, z, destRowPitch, destDepthPitch); - - T tmp0, tmp1; - - T::average(&tmp0, src0, src1); - T::average(&tmp1, src2, src3); - T::average(dst, &tmp0, &tmp1); - } - } -} - -template <typename T> -static void GenerateMip_XZ(size_t sourceWidth, size_t sourceHeight, size_t sourceDepth, - const uint8_t *sourceData, size_t sourceRowPitch, size_t sourceDepthPitch, - size_t destWidth, size_t destHeight, size_t destDepth, - uint8_t *destData, size_t destRowPitch, size_t destDepthPitch) -{ - ASSERT(sourceWidth > 1); - ASSERT(sourceHeight == 1); - ASSERT(sourceDepth > 1); - - for (size_t z = 0; z < destDepth; z++) - { - for (size_t x = 0; x < destWidth; x++) - { - const T *src0 = GetPixel<T>(sourceData, x * 2, 0, z * 2, sourceRowPitch, sourceDepthPitch); - const T *src1 = GetPixel<T>(sourceData, x * 2, 0, z * 2 + 1, sourceRowPitch, sourceDepthPitch); - const T *src2 = GetPixel<T>(sourceData, x * 2 + 1, 0, z * 2, sourceRowPitch, sourceDepthPitch); - const T *src3 = GetPixel<T>(sourceData, x * 2 + 1, 0, z * 2 + 1, sourceRowPitch, sourceDepthPitch); - T *dst = GetPixel<T>(destData, x, 0, z, destRowPitch, destDepthPitch); - - T tmp0, tmp1; - - T::average(&tmp0, src0, src1); - T::average(&tmp1, src2, src3); - T::average(dst, &tmp0, &tmp1); - } - } -} - -template <typename T> -static void GenerateMip_XYZ(size_t sourceWidth, size_t sourceHeight, size_t sourceDepth, - const uint8_t *sourceData, size_t sourceRowPitch, size_t sourceDepthPitch, - size_t destWidth, size_t destHeight, size_t destDepth, - uint8_t *destData, size_t destRowPitch, size_t destDepthPitch) -{ - ASSERT(sourceWidth > 1); - ASSERT(sourceHeight > 1); - ASSERT(sourceDepth > 1); - - for (size_t z = 0; z < destDepth; z++) - { - for (size_t y = 0; y < destHeight; y++) - { - for (size_t x = 0; x < destWidth; x++) - { - const T *src0 = GetPixel<T>(sourceData, x * 2, y * 2, z * 2, sourceRowPitch, sourceDepthPitch); - const T *src1 = GetPixel<T>(sourceData, x * 2, y * 2, z * 2 + 1, sourceRowPitch, sourceDepthPitch); - const T *src2 = GetPixel<T>(sourceData, x * 2, y * 2 + 1, z * 2, sourceRowPitch, sourceDepthPitch); - const T *src3 = GetPixel<T>(sourceData, x * 2, y * 2 + 1, z * 2 + 1, sourceRowPitch, sourceDepthPitch); - const T *src4 = GetPixel<T>(sourceData, x * 2 + 1, y * 2, z * 2, sourceRowPitch, sourceDepthPitch); - const T *src5 = GetPixel<T>(sourceData, x * 2 + 1, y * 2, z * 2 + 1, sourceRowPitch, sourceDepthPitch); - const T *src6 = GetPixel<T>(sourceData, x * 2 + 1, y * 2 + 1, z * 2, sourceRowPitch, sourceDepthPitch); - const T *src7 = GetPixel<T>(sourceData, x * 2 + 1, y * 2 + 1, z * 2 + 1, sourceRowPitch, sourceDepthPitch); - T *dst = GetPixel<T>(destData, x, y, z, destRowPitch, destDepthPitch); - - T tmp0, tmp1, tmp2, tmp3, tmp4, tmp5; - - T::average(&tmp0, src0, src1); - T::average(&tmp1, src2, src3); - T::average(&tmp2, src4, src5); - T::average(&tmp3, src6, src7); - - T::average(&tmp4, &tmp0, &tmp1); - T::average(&tmp5, &tmp2, &tmp3); - - T::average(dst, &tmp4, &tmp5); - } - } - } -} - - -typedef void (*MipGenerationFunction)(size_t sourceWidth, size_t sourceHeight, size_t sourceDepth, - const uint8_t *sourceData, size_t sourceRowPitch, size_t sourceDepthPitch, - size_t destWidth, size_t destHeight, size_t destDepth, - uint8_t *destData, size_t destRowPitch, size_t destDepthPitch); - -template <typename T> -static MipGenerationFunction GetMipGenerationFunction(size_t sourceWidth, size_t sourceHeight, size_t sourceDepth) -{ - uint8_t index = ((sourceWidth > 1) ? 1 : 0) | - ((sourceHeight > 1) ? 2 : 0) | - ((sourceDepth > 1) ? 4 : 0); - - switch (index) - { - case 0: return nullptr; - case 1: return GenerateMip_X<T>; // W x 1 x 1 - case 2: return GenerateMip_Y<T>; // 1 x H x 1 - case 3: return GenerateMip_XY<T>; // W x H x 1 - case 4: return GenerateMip_Z<T>; // 1 x 1 x D - case 5: return GenerateMip_XZ<T>; // W x 1 x D - case 6: return GenerateMip_YZ<T>; // 1 x H x D - case 7: return GenerateMip_XYZ<T>; // W x H x D - } - - UNREACHABLE(); - return nullptr; -} - -} // namespace priv - -template <typename T> -inline void GenerateMip(size_t sourceWidth, size_t sourceHeight, size_t sourceDepth, - const uint8_t *sourceData, size_t sourceRowPitch, size_t sourceDepthPitch, - uint8_t *destData, size_t destRowPitch, size_t destDepthPitch) -{ - size_t mipWidth = std::max<size_t>(1, sourceWidth >> 1); - size_t mipHeight = std::max<size_t>(1, sourceHeight >> 1); - size_t mipDepth = std::max<size_t>(1, sourceDepth >> 1); - - priv::MipGenerationFunction generationFunction = priv::GetMipGenerationFunction<T>(sourceWidth, sourceHeight, sourceDepth); - ASSERT(generationFunction != nullptr); - - generationFunction(sourceWidth, sourceHeight, sourceDepth, sourceData, sourceRowPitch, sourceDepthPitch, - mipWidth, mipHeight, mipDepth, destData, destRowPitch, destDepthPitch); -} - -} // namespace angle |