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Diffstat (limited to 'src/3rdparty/angle/src/libANGLE/params.h')
| -rw-r--r-- | src/3rdparty/angle/src/libANGLE/params.h | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/src/3rdparty/angle/src/libANGLE/params.h b/src/3rdparty/angle/src/libANGLE/params.h deleted file mode 100644 index 27dba640ff..0000000000 --- a/src/3rdparty/angle/src/libANGLE/params.h +++ /dev/null @@ -1,228 +0,0 @@ -// -// Copyright 2017 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. -// -// params: -// Parameter wrapper structs for OpenGL ES. These helpers cache re-used values -// in entry point routines. - -#ifndef LIBANGLE_PARAMS_H_ -#define LIBANGLE_PARAMS_H_ - -#include "angle_gl.h" -#include "common/Optional.h" -#include "common/angleutils.h" -#include "common/mathutil.h" -#include "libANGLE/entry_points_enum_autogen.h" - -namespace gl -{ -class Context; - -template <EntryPoint EP> -struct EntryPointParam; - -template <EntryPoint EP> -using EntryPointParamType = typename EntryPointParam<EP>::Type; - -class ParamTypeInfo -{ - public: - constexpr ParamTypeInfo(const char *selfClass, const ParamTypeInfo *parentType) - : mSelfClass(selfClass), mParentTypeInfo(parentType) - { - } - - constexpr bool hasDynamicType(const ParamTypeInfo &typeInfo) const - { - return mSelfClass == typeInfo.mSelfClass || - (mParentTypeInfo && mParentTypeInfo->hasDynamicType(typeInfo)); - } - - constexpr bool isValid() const { return mSelfClass != nullptr; } - - private: - const char *mSelfClass; - const ParamTypeInfo *mParentTypeInfo; -}; - -#define ANGLE_PARAM_TYPE_INFO(NAME, BASENAME) \ - static constexpr ParamTypeInfo TypeInfo = {#NAME, &BASENAME::TypeInfo} - -class ParamsBase : angle::NonCopyable -{ - public: - ParamsBase(Context *context, ...){}; - - template <EntryPoint EP, typename... ArgsT> - static void Factory(EntryPointParamType<EP> *objBuffer, ArgsT... args); - - static constexpr ParamTypeInfo TypeInfo = {nullptr, nullptr}; -}; - -// static -template <EntryPoint EP, typename... ArgsT> -ANGLE_INLINE void ParamsBase::Factory(EntryPointParamType<EP> *objBuffer, ArgsT... args) -{ - new (objBuffer) EntryPointParamType<EP>(args...); -} - -class HasIndexRange : public ParamsBase -{ - public: - // Dummy placeholder that can't generate an index range. - HasIndexRange(); - HasIndexRange(Context *context, GLsizei count, GLenum type, const void *indices); - - template <EntryPoint EP, typename... ArgsT> - static void Factory(HasIndexRange *objBuffer, ArgsT... args); - - const Optional<IndexRange> &getIndexRange() const; - - ANGLE_PARAM_TYPE_INFO(HasIndexRange, ParamsBase); - - private: - Context *mContext; - GLsizei mCount; - GLenum mType; - const GLvoid *mIndices; - mutable Optional<IndexRange> mIndexRange; -}; - -// Entry point funcs essentially re-map different entry point parameter arrays into -// the format the parameter type class expects. For example, for HasIndexRange, for the -// various indexed draw calls, they drop parameters that aren't useful and re-arrange -// the rest. -#define ANGLE_ENTRY_POINT_FUNC(NAME, CLASS, ...) \ - \ -template<> struct EntryPointParam<EntryPoint::NAME> \ - { \ - using Type = CLASS; \ - }; \ - \ -template<> inline void CLASS::Factory<EntryPoint::NAME>(__VA_ARGS__) - -ANGLE_ENTRY_POINT_FUNC(DrawElements, - HasIndexRange, - HasIndexRange *objBuffer, - Context *context, - GLenum /*mode*/, - GLsizei count, - GLenum type, - const void *indices) -{ - return ParamsBase::Factory<EntryPoint::DrawElements>(objBuffer, context, count, type, indices); -} - -ANGLE_ENTRY_POINT_FUNC(DrawElementsInstanced, - HasIndexRange, - HasIndexRange *objBuffer, - Context *context, - GLenum /*mode*/, - GLsizei count, - GLenum type, - const void *indices, - GLsizei /*instanceCount*/) -{ - return ParamsBase::Factory<EntryPoint::DrawElementsInstanced>(objBuffer, context, count, type, - indices); -} - -ANGLE_ENTRY_POINT_FUNC(DrawElementsInstancedANGLE, - HasIndexRange, - HasIndexRange *objBuffer, - Context *context, - GLenum /*mode*/, - GLsizei count, - GLenum type, - const void *indices, - GLsizei /*instanceCount*/) -{ - return ParamsBase::Factory<EntryPoint::DrawElementsInstancedANGLE>(objBuffer, context, count, - type, indices); -} - -ANGLE_ENTRY_POINT_FUNC(DrawRangeElements, - HasIndexRange, - HasIndexRange *objBuffer, - Context *context, - GLenum /*mode*/, - GLuint /*start*/, - GLuint /*end*/, - GLsizei count, - GLenum type, - const void *indices) -{ - return ParamsBase::Factory<EntryPoint::DrawRangeElements>(objBuffer, context, count, type, - indices); -} - -#undef ANGLE_ENTRY_POINT_FUNC - -template <EntryPoint EP> -struct EntryPointParam -{ - using Type = ParamsBase; -}; - -// A template struct for determining the default value to return for each entry point. -template <EntryPoint EP, typename ReturnType> -struct DefaultReturnValue; - -// Default return values for each basic return type. -template <EntryPoint EP> -struct DefaultReturnValue<EP, GLint> -{ - static constexpr GLint kValue = -1; -}; - -// This doubles as the GLenum return value. -template <EntryPoint EP> -struct DefaultReturnValue<EP, GLuint> -{ - static constexpr GLuint kValue = 0; -}; - -template <EntryPoint EP> -struct DefaultReturnValue<EP, GLboolean> -{ - static constexpr GLboolean kValue = GL_FALSE; -}; - -// Catch-all rules for pointer types. -template <EntryPoint EP, typename PointerType> -struct DefaultReturnValue<EP, const PointerType *> -{ - static constexpr const PointerType *kValue = nullptr; -}; - -template <EntryPoint EP, typename PointerType> -struct DefaultReturnValue<EP, PointerType *> -{ - static constexpr PointerType *kValue = nullptr; -}; - -// Overloaded to return invalid index -template <> -struct DefaultReturnValue<EntryPoint::GetUniformBlockIndex, GLuint> -{ - static constexpr GLuint kValue = GL_INVALID_INDEX; -}; - -// Specialized enum error value. -template <> -struct DefaultReturnValue<EntryPoint::ClientWaitSync, GLenum> -{ - static constexpr GLenum kValue = GL_WAIT_FAILED; -}; - -template <EntryPoint EP, typename ReturnType> -constexpr ANGLE_INLINE ReturnType GetDefaultReturnValue() -{ - return DefaultReturnValue<EP, ReturnType>::kValue; -} - -} // namespace gl - -#endif // LIBANGLE_PARAMS_H_ |