summaryrefslogtreecommitdiffstats
path: root/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d9/vertexconversion.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d9/vertexconversion.h')
-rw-r--r--src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d9/vertexconversion.h200
1 files changed, 0 insertions, 200 deletions
diff --git a/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d9/vertexconversion.h b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d9/vertexconversion.h
deleted file mode 100644
index aa05934bc8..0000000000
--- a/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d9/vertexconversion.h
+++ /dev/null
@@ -1,200 +0,0 @@
-//
-// Copyright (c) 2002-2010 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.
-//
-
-// vertexconversion.h: A library of vertex conversion classes that can be used to build
-// the FormatConverter objects used by the buffer conversion system.
-
-#ifndef LIBANGLE_RENDERER_D3D_D3D9_VERTEXCONVERSION_H_
-#define LIBANGLE_RENDERER_D3D_D3D9_VERTEXCONVERSION_H_
-
-#include <limits>
-#include <cstdint>
-#include <cstddef>
-
-namespace rx
-{
-
-// Conversion types:
-// static const bool identity: true if this is an identity transform, false otherwise
-// static U convert(T): convert a single element from the input type to the output type
-// typedef ... OutputType: the type produced by this conversion
-
-template <class T>
-struct Identity
-{
- static const bool identity = true;
-
- typedef T OutputType;
-
- static T convert(T x)
- {
- return x;
- }
-};
-
-template <class FromT, class ToT>
-struct Cast
-{
- static const bool identity = false;
-
- typedef ToT OutputType;
-
- static ToT convert(FromT x)
- {
- return static_cast<ToT>(x);
- }
-};
-
-template <class T>
-struct Cast<T, T>
-{
- static const bool identity = true;
-
- typedef T OutputType;
-
- static T convert(T x)
- {
- return static_cast<T>(x);
- }
-};
-
-template <class T>
-struct Normalize
-{
- static const bool identity = false;
-
- typedef float OutputType;
-
- static float convert(T x)
- {
- typedef std::numeric_limits<T> NL;
- float f = static_cast<float>(x);
-
- if (NL::is_signed)
- {
- // const float => VC2008 computes it at compile time
- // static const float => VC2008 computes it the first time we get here, stores it to memory with static guard and all that.
- const float divisor = 1.0f/(2*static_cast<float>(NL::max())+1);
- return (2*f+1)*divisor;
- }
- else
- {
- return f/NL::max();
- }
- }
-};
-
-template <class FromType, std::size_t ScaleBits>
-struct FixedToFloat
-{
- static const bool identity = false;
-
- typedef float OutputType;
-
- static float convert(FromType x)
- {
- const float divisor = 1.0f / static_cast<float>(static_cast<FromType>(1) << ScaleBits);
- return static_cast<float>(x) * divisor;
- }
-};
-
-// Widen types:
-// static const unsigned int initialWidth: number of components before conversion
-// static const unsigned int finalWidth: number of components after conversion
-
-// Float is supported at any size.
-template <std::size_t N>
-struct NoWiden
-{
- static const std::size_t initialWidth = N;
- static const std::size_t finalWidth = N;
-};
-
-// SHORT, norm-SHORT, norm-UNSIGNED_SHORT are supported but only with 2 or 4 components
-template <std::size_t N>
-struct WidenToEven
-{
- static const std::size_t initialWidth = N;
- static const std::size_t finalWidth = N+(N&1);
-};
-
-template <std::size_t N>
-struct WidenToFour
-{
- static const std::size_t initialWidth = N;
- static const std::size_t finalWidth = 4;
-};
-
-// Most types have 0 and 1 that are just that.
-template <class T>
-struct SimpleDefaultValues
-{
- static T zero() { return static_cast<T>(0); }
- static T one() { return static_cast<T>(1); }
-};
-
-// But normalised types only store [0,1] or [-1,1] so 1.0 is represented by the max value.
-template <class T>
-struct NormalizedDefaultValues
-{
- static T zero() { return static_cast<T>(0); }
- static T one() { return std::numeric_limits<T>::max(); }
-};
-
-// Converter:
-// static const bool identity: true if this is an identity transform (with no widening)
-// static const std::size_t finalSize: number of bytes per output vertex
-// static void convertArray(const void *in, std::size_t stride, std::size_t n, void *out): convert an array of vertices. Input may be strided, but output will be unstrided.
-
-template <class InT,
- class WidenRule,
- class Converter,
- class DefaultValueRule = SimpleDefaultValues<InT>>
-struct VertexDataConverter
-{
- typedef typename Converter::OutputType OutputType;
- typedef InT InputType;
-
- static const bool identity = (WidenRule::initialWidth == WidenRule::finalWidth) && Converter::identity;
- static const std::size_t finalSize = WidenRule::finalWidth * sizeof(OutputType);
-
- static void convertArray(const uint8_t *input, size_t stride, size_t n, uint8_t *output)
- {
- OutputType *out = reinterpret_cast<OutputType*>(output);
-
- for (std::size_t i = 0; i < n; i++)
- {
- const InputType *ein = reinterpret_cast<const InputType*>(input + i * stride);
-
- copyComponent(out, ein, 0, static_cast<OutputType>(DefaultValueRule::zero()));
- copyComponent(out, ein, 1, static_cast<OutputType>(DefaultValueRule::zero()));
- copyComponent(out, ein, 2, static_cast<OutputType>(DefaultValueRule::zero()));
- copyComponent(out, ein, 3, static_cast<OutputType>(DefaultValueRule::one()));
-
- out += WidenRule::finalWidth;
- }
- }
-
- private:
- static void copyComponent(OutputType *out, const InputType *in, std::size_t elementindex, OutputType defaultvalue)
- {
- if (WidenRule::finalWidth > elementindex)
- {
- if (WidenRule::initialWidth > elementindex)
- {
- out[elementindex] = Converter::convert(in[elementindex]);
- }
- else
- {
- out[elementindex] = defaultvalue;
- }
- }
- }
-};
-
-}
-
-#endif // LIBANGLE_RENDERER_D3D_D3D9_VERTEXCONVERSION_H_