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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /gfx/angle/src/common/utilities.h | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/angle/src/common/utilities.h')
-rwxr-xr-x | gfx/angle/src/common/utilities.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/gfx/angle/src/common/utilities.h b/gfx/angle/src/common/utilities.h new file mode 100755 index 000000000..16d6560a7 --- /dev/null +++ b/gfx/angle/src/common/utilities.h @@ -0,0 +1,172 @@ +// +// Copyright (c) 2002-2013 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. +// + +// utilities.h: Conversion functions and other utility routines. + +#ifndef COMMON_UTILITIES_H_ +#define COMMON_UTILITIES_H_ + +#include <EGL/egl.h> +#include <EGL/eglext.h> + +#include "angle_gl.h" +#include <string> +#include <math.h> + +#include "common/mathutil.h" + +namespace gl +{ + +int VariableComponentCount(GLenum type); +GLenum VariableComponentType(GLenum type); +size_t VariableComponentSize(GLenum type); +size_t VariableInternalSize(GLenum type); +size_t VariableExternalSize(GLenum type); +GLenum VariableBoolVectorType(GLenum type); +int VariableRowCount(GLenum type); +int VariableColumnCount(GLenum type); +bool IsSamplerType(GLenum type); +GLenum SamplerTypeToTextureType(GLenum samplerType); +bool IsMatrixType(GLenum type); +GLenum TransposeMatrixType(GLenum type); +int VariableRegisterCount(GLenum type); +int MatrixRegisterCount(GLenum type, bool isRowMajorMatrix); +int MatrixComponentCount(GLenum type, bool isRowMajorMatrix); +int VariableSortOrder(GLenum type); + +int AllocateFirstFreeBits(unsigned int *bits, unsigned int allocationSize, unsigned int bitsSize); + +static const GLenum FirstCubeMapTextureTarget = GL_TEXTURE_CUBE_MAP_POSITIVE_X; +static const GLenum LastCubeMapTextureTarget = GL_TEXTURE_CUBE_MAP_NEGATIVE_Z; +bool IsCubeMapTextureTarget(GLenum target); +size_t CubeMapTextureTargetToLayerIndex(GLenum target); +GLenum LayerIndexToCubeMapTextureTarget(size_t index); + +// Parse the base uniform name and array index. Returns the base name of the uniform. outSubscript is +// set to GL_INVALID_INDEX if the provided name is not an array or the array index is invalid. +std::string ParseUniformName(const std::string &name, size_t *outSubscript); + +// Find the range of index values in the provided indices pointer. Primitive restart indices are +// only counted in the range if primitive restart is disabled. +IndexRange ComputeIndexRange(GLenum indexType, + const GLvoid *indices, + size_t count, + bool primitiveRestartEnabled); + +// Get the primitive restart index value for the given index type. +GLuint GetPrimitiveRestartIndex(GLenum indexType); + +bool IsTriangleMode(GLenum drawMode); + +// [OpenGL ES 3.0.2] Section 2.3.1 page 14 +// Data Conversion For State-Setting Commands +// Floating-point values are rounded to the nearest integer, instead of truncated, as done by static_cast. +template <typename outT> outT iround(GLfloat value) { return static_cast<outT>(value > 0.0f ? floor(value + 0.5f) : ceil(value - 0.5f)); } +template <typename outT> outT uiround(GLfloat value) { return static_cast<outT>(value + 0.5f); } + +// Helper for converting arbitrary GL types to other GL types used in queries and state setting +template <typename ParamType> +GLuint ConvertToGLuint(ParamType param) +{ + return static_cast<GLuint>(param); +} +template <> +GLuint ConvertToGLuint(GLfloat param); + +template <typename ParamType> +GLint ConvertToGLint(ParamType param) +{ + return static_cast<GLint>(param); +} +template <> +GLint ConvertToGLint(GLfloat param); + +// Same conversion as uint +template <typename ParamType> +GLenum ConvertToGLenum(ParamType param) +{ + return static_cast<GLenum>(ConvertToGLuint(param)); +} + +template <typename ParamType> +GLfloat ConvertToGLfloat(ParamType param) +{ + return static_cast<GLfloat>(param); +} + +template <typename ParamType> +ParamType ConvertFromGLfloat(GLfloat param) +{ + return static_cast<ParamType>(param); +} +template <> +GLint ConvertFromGLfloat(GLfloat param); +template <> +GLuint ConvertFromGLfloat(GLfloat param); + +template <typename ParamType> +ParamType ConvertFromGLenum(GLenum param) +{ + return static_cast<ParamType>(param); +} + +template <typename ParamType> +ParamType ConvertFromGLuint(GLuint param) +{ + return static_cast<ParamType>(param); +} + +template <typename ParamType> +ParamType ConvertFromGLint(GLint param) +{ + return static_cast<ParamType>(param); +} + +template <typename ParamType> +ParamType ConvertFromGLboolean(GLboolean param) +{ + return static_cast<ParamType>(param ? GL_TRUE : GL_FALSE); +} + +template <typename ParamType> +ParamType ConvertFromGLint64(GLint64 param) +{ + return clampCast<ParamType>(param); +} + +unsigned int ParseAndStripArrayIndex(std::string *name); + +} // namespace gl + +namespace egl +{ +static const EGLenum FirstCubeMapTextureTarget = EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR; +static const EGLenum LastCubeMapTextureTarget = EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR; +bool IsCubeMapTextureTarget(EGLenum target); +size_t CubeMapTextureTargetToLayerIndex(EGLenum target); +EGLenum LayerIndexToCubeMapTextureTarget(size_t index); +bool IsTextureTarget(EGLenum target); +bool IsRenderbufferTarget(EGLenum target); +} + +namespace egl_gl +{ +GLenum EGLCubeMapTargetToGLCubeMapTarget(EGLenum eglTarget); +GLenum EGLImageTargetToGLTextureTarget(EGLenum eglTarget); +GLuint EGLClientBufferToGLObjectHandle(EGLClientBuffer buffer); +} + +#if !defined(ANGLE_ENABLE_WINDOWS_STORE) +std::string getTempPath(); +void writeFile(const char* path, const void* data, size_t size); +#endif + +#if defined (ANGLE_PLATFORM_WINDOWS) +void ScheduleYield(); +#endif + +#endif // COMMON_UTILITIES_H_ |