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-rw-r--r--gfx/angle/checkout/src/image_util/loadimage.cpp1796
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