1 files changed, 377 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/copyvertex.inl b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/copyvertex.inl
new file mode 100644
index 0000000000..60678d7b9f
--- /dev/null
+++ b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/copyvertex.inl
@@ -0,0 +1,377 @@
+//
+// Copyright (c) 2014-2015 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.
+//
+
+namespace rx
+{
+
+template <typename T, size_t inputComponentCount, size_t outputComponentCount, uint32_t alphaDefaultValueBits>
+inline void CopyNativeVertexData(const uint8_t *input, size_t stride, size_t count, uint8_t *output)
+{
+    const size_t attribSize = sizeof(T)* inputComponentCount;
+
+    if (attribSize == stride && inputComponentCount == outputComponentCount)
+    {
+        memcpy(output, input, count * attribSize);
+    }
+    else
+    {
+        const T defaultAlphaValue = gl::bitCast<T>(alphaDefaultValueBits);
+        const size_t lastNonAlphaOutputComponent = std::min<size_t>(outputComponentCount, 3);
+
+        for (size_t i = 0; i < count; i++)
+        {
+            const T *offsetInput = reinterpret_cast<const T*>(input + (i * stride));
+            T *offsetOutput = reinterpret_cast<T*>(output) + i * outputComponentCount;
+
+            for (size_t j = 0; j < inputComponentCount; j++)
+            {
+                offsetOutput[j] = offsetInput[j];
+            }
+
+            for (size_t j = inputComponentCount; j < lastNonAlphaOutputComponent; j++)
+            {
+                // Set the remaining G/B channels to 0.
+                offsetOutput[j] = 0;
+            }
+
+            if (inputComponentCount < outputComponentCount && outputComponentCount == 4)
+            {
+                // Set the remaining alpha channel to the defaultAlphaValue.
+                offsetOutput[3] = defaultAlphaValue;
+            }
+        }
+    }
+}
+
+template <size_t inputComponentCount, size_t outputComponentCount>
+inline void Copy8SintTo16SintVertexData(const uint8_t *input, size_t stride, size_t count, uint8_t *output)
+{
+    const size_t lastNonAlphaOutputComponent = std::min<size_t>(outputComponentCount, 3);
+
+    for (size_t i = 0; i < count; i++)
+    {
+        const GLbyte *offsetInput = reinterpret_cast<const GLbyte*>(input + i * stride);
+        GLshort *offsetOutput = reinterpret_cast<GLshort*>(output)+i * outputComponentCount;
+
+        for (size_t j = 0; j < inputComponentCount; j++)
+        {
+            offsetOutput[j] = static_cast<GLshort>(offsetInput[j]);
+        }
+
+        for (size_t j = inputComponentCount; j < lastNonAlphaOutputComponent; j++)
+        {
+            // Set remaining G/B channels to 0.
+            offsetOutput[j] = 0;
+        }
+
+        if (inputComponentCount < outputComponentCount && outputComponentCount == 4)
+        {
+            // On integer formats, we must set the Alpha channel to 1 if it's unused.
+            offsetOutput[3] = 1;
+        }
+    }
+}
+
+template <size_t inputComponentCount, size_t outputComponentCount>
+inline void Copy8SnormTo16SnormVertexData(const uint8_t *input, size_t stride, size_t count, uint8_t *output)
+{
+    for (size_t i = 0; i < count; i++)
+    {
+        const GLbyte *offsetInput = reinterpret_cast<const GLbyte*>(input + i * stride);
+        GLshort *offsetOutput = reinterpret_cast<GLshort*>(output) + i * outputComponentCount;
+
+        for (size_t j = 0; j < inputComponentCount; j++)
+        {
+            // The original GLbyte value ranges from -128 to +127 (INT8_MAX).
+            // When converted to GLshort, the value must be scaled to between -32768 and +32767 (INT16_MAX).
+            if (offsetInput[j] > 0)
+            {
+                offsetOutput[j] = offsetInput[j] << 8 | offsetInput[j] << 1 | ((offsetInput[j] & 0x40) >> 6);
+            }
+            else
+            {
+                offsetOutput[j] = offsetInput[j] << 8;
+            }
+        }
+
+        for (size_t j = inputComponentCount; j < std::min<size_t>(outputComponentCount, 3); j++)
+        {
+            // Set remaining G/B channels to 0.
+            offsetOutput[j] = 0;
+        }
+
+        if (inputComponentCount < outputComponentCount && outputComponentCount == 4)
+        {
+            // On normalized formats, we must set the Alpha channel to the max value if it's unused.
+            offsetOutput[3] = INT16_MAX;
+        }
+    }
+}
+
+template <size_t inputComponentCount, size_t outputComponentCount>
+inline void Copy32FixedTo32FVertexData(const uint8_t *input, size_t stride, size_t count, uint8_t *output)
+{
+    static const float divisor = 1.0f / (1 << 16);
+
+    for (size_t i = 0; i < count; i++)
+    {
+        const GLfixed* offsetInput = reinterpret_cast<const GLfixed*>(input + (stride * i));
+        float* offsetOutput = reinterpret_cast<float*>(output) + i * outputComponentCount;
+
+        for (size_t j = 0; j < inputComponentCount; j++)
+        {
+            offsetOutput[j] = static_cast<float>(offsetInput[j]) * divisor;
+        }
+
+        // 4-component output formats would need special padding in the alpha channel.
+        static_assert(!(inputComponentCount < 4 && outputComponentCount == 4),
+                      "An inputComponentCount less than 4 and an outputComponentCount equal to 4 is not supported.");
+
+        for (size_t j = inputComponentCount; j < outputComponentCount; j++)
+        {
+            offsetOutput[j] = 0.0f;
+        }
+    }
+}
+
+template <typename T, size_t inputComponentCount, size_t outputComponentCount, bool normalized>
+inline void CopyTo32FVertexData(const uint8_t *input, size_t stride, size_t count, uint8_t *output)
+{
+    typedef std::numeric_limits<T> NL;
+
+    for (size_t i = 0; i < count; i++)
+    {
+        const T *offsetInput = reinterpret_cast<const T*>(input + (stride * i));
+        float *offsetOutput = reinterpret_cast<float*>(output) + i * outputComponentCount;
+
+        for (size_t j = 0; j < inputComponentCount; j++)
+        {
+            if (normalized)
+            {
+                if (NL::is_signed)
+                {
+                    const float divisor = 1.0f / (2 * static_cast<float>(NL::max()) + 1);
+                    offsetOutput[j] = (2 * static_cast<float>(offsetInput[j]) + 1) * divisor;
+                }
+                else
+                {
+                    offsetOutput[j] =  static_cast<float>(offsetInput[j]) / NL::max();
+                }
+            }
+            else
+            {
+                offsetOutput[j] =  static_cast<float>(offsetInput[j]);
+            }
+        }
+
+        // This would require special padding.
+        static_assert(!(inputComponentCount < 4 && outputComponentCount == 4),
+                      "An inputComponentCount less than 4 and an outputComponentCount equal to 4 is not supported.");
+
+        for (size_t j = inputComponentCount; j < outputComponentCount; j++)
+        {
+            offsetOutput[j] = 0.0f;
+        }
+    }
+}
+
+namespace priv
+{
+
+template <bool isSigned, bool normalized, bool toFloat>
+static inline void CopyPackedRGB(uint32_t data, uint8_t *output)
+{
+    const uint32_t rgbSignMask = 0x200;       // 1 set at the 9 bit
+    const uint32_t negativeMask = 0xFFFFFC00; // All bits from 10 to 31 set to 1
+
+    if (toFloat)
+    {
+        GLfloat *floatOutput = reinterpret_cast<GLfloat*>(output);
+        if (isSigned)
+        {
+            GLfloat finalValue = 0;
+            if (data & rgbSignMask)
+            {
+                int negativeNumber = data | negativeMask;
+                finalValue = static_cast<GLfloat>(negativeNumber);
+            }
+            else
+            {
+                finalValue = static_cast<GLfloat>(data);
+            }
+
+            if (normalized)
+            {
+                const int32_t maxValue = 0x1FF;      // 1 set in bits 0 through 8
+                const int32_t minValue = 0xFFFFFE01; // Inverse of maxValue
+
+                // A 10-bit two's complement number has the possibility of being minValue - 1 but
+                // OpenGL's normalization rules dictate that it should be clamped to minValue in this
+                // case.
+                if (finalValue < minValue)
+                {
+                    finalValue = minValue;
+                }
+
+                const int32_t halfRange = (maxValue - minValue) >> 1;
+                *floatOutput = ((finalValue - minValue) / halfRange) - 1.0f;
+            }
+            else
+            {
+                *floatOutput = finalValue;
+            }
+        }
+        else
+        {
+            if (normalized)
+            {
+                const uint32_t maxValue = 0x3FF; // 1 set in bits 0 through 9
+                *floatOutput = static_cast<GLfloat>(data) / static_cast<GLfloat>(maxValue);
+            }
+            else
+            {
+                *floatOutput = static_cast<GLfloat>(data);
+            }
+        }
+    }
+    else
+    {
+        if (isSigned)
+        {
+            GLshort *intOutput = reinterpret_cast<GLshort*>(output);
+
+            if (data & rgbSignMask)
+            {
+                *intOutput = data | negativeMask;
+            }
+            else
+            {
+                *intOutput = data;
+            }
+        }
+        else
+        {
+            GLushort *uintOutput = reinterpret_cast<GLushort*>(output);
+            *uintOutput = data;
+        }
+    }
+}
+
+template <bool isSigned, bool normalized, bool toFloat>
+inline void CopyPackedAlpha(uint32_t data, uint8_t *output)
+{
+    if (toFloat)
+    {
+        GLfloat *floatOutput = reinterpret_cast<GLfloat*>(output);
+        if (isSigned)
+        {
+            if (normalized)
+            {
+                switch (data)
+                {
+                  case 0x0: *floatOutput =  0.0f; break;
+                  case 0x1: *floatOutput =  1.0f; break;
+                  case 0x2: *floatOutput = -1.0f; break;
+                  case 0x3: *floatOutput = -1.0f; break;
+                  default: UNREACHABLE();
+                }
+            }
+            else
+            {
+                switch (data)
+                {
+                  case 0x0: *floatOutput =  0.0f; break;
+                  case 0x1: *floatOutput =  1.0f; break;
+                  case 0x2: *floatOutput = -2.0f; break;
+                  case 0x3: *floatOutput = -1.0f; break;
+                  default: UNREACHABLE();
+                }
+            }
+        }
+        else
+        {
+            if (normalized)
+            {
+                switch (data)
+                {
+                  case 0x0: *floatOutput = 0.0f / 3.0f; break;
+                  case 0x1: *floatOutput = 1.0f / 3.0f; break;
+                  case 0x2: *floatOutput = 2.0f / 3.0f; break;
+                  case 0x3: *floatOutput = 3.0f / 3.0f; break;
+                  default: UNREACHABLE();
+                }
+            }
+            else
+            {
+                switch (data)
+                {
+                  case 0x0: *floatOutput = 0.0f; break;
+                  case 0x1: *floatOutput = 1.0f; break;
+                  case 0x2: *floatOutput = 2.0f; break;
+                  case 0x3: *floatOutput = 3.0f; break;
+                  default: UNREACHABLE();
+                }
+            }
+        }
+    }
+    else
+    {
+        if (isSigned)
+        {
+            GLshort *intOutput = reinterpret_cast<GLshort*>(output);
+            switch (data)
+            {
+              case 0x0: *intOutput =  0; break;
+              case 0x1: *intOutput =  1; break;
+              case 0x2: *intOutput = -2; break;
+              case 0x3: *intOutput = -1; break;
+              default: UNREACHABLE();
+            }
+        }
+        else
+        {
+            GLushort *uintOutput = reinterpret_cast<GLushort*>(output);
+            switch (data)
+            {
+              case 0x0: *uintOutput = 0; break;
+              case 0x1: *uintOutput = 1; break;
+              case 0x2: *uintOutput = 2; break;
+              case 0x3: *uintOutput = 3; break;
+              default: UNREACHABLE();
+            }
+        }
+    }
+}
+
+}
+
+template <bool isSigned, bool normalized, bool toFloat>
+inline void CopyXYZ10W2ToXYZW32FVertexData(const uint8_t *input, size_t stride, size_t count, uint8_t *output)
+{
+    const size_t outputComponentSize = toFloat ? 4 : 2;
+    const size_t componentCount = 4;
+
+    const uint32_t rgbMask = 0x3FF; // 1 set in bits 0 through 9
+    const size_t redShift = 0;    // red is bits 0 through 9
+    const size_t greenShift = 10; // green is bits 10 through 19
+    const size_t blueShift = 20;  // blue is bits 20 through 29
+
+    const uint32_t alphaMask = 0x3; // 1 set in bits 0 and 1
+    const size_t alphaShift = 30; // Alpha is the 30 and 31 bits
+
+    for (size_t i = 0; i < count; i++)
+    {
+        GLuint packedValue = *reinterpret_cast<const GLuint*>(input + (i * stride));
+        uint8_t *offsetOutput = output + (i * outputComponentSize * componentCount);
+
+        priv::CopyPackedRGB<isSigned, normalized, toFloat>(  (packedValue >> redShift)   & rgbMask,   offsetOutput + (0 * outputComponentSize));
+        priv::CopyPackedRGB<isSigned, normalized, toFloat>(  (packedValue >> greenShift) & rgbMask,   offsetOutput + (1 * outputComponentSize));
+        priv::CopyPackedRGB<isSigned, normalized, toFloat>(  (packedValue >> blueShift)  & rgbMask,   offsetOutput + (2 * outputComponentSize));
+        priv::CopyPackedAlpha<isSigned, normalized, toFloat>((packedValue >> alphaShift) & alphaMask, offsetOutput + (3 * outputComponentSize));
+    }
+}
+
+}