Classes
class	BufferObject

class	ColorTexture

struct	Context

class	FragmentShader
	Wrapper around an OpenGL fragment shader: a program executed on the GPU that computes the colors of pixels. More...

class	FrameBufferObject

class	matMxN

struct	Null

class	PixelBuffer
	Wrapper around a pixel buffer. More...

class	Shader
	Wrapper around an OpenGL shader: a program executed on the GPU. More...

class	ShaderProgram
	Wrapper around an OpenGL program: a collection of vertex and fragment shaders. More...

class	Texture
	Most basic/generic texture: only contains a texture ID. More...

class	vecN

class	vecN< 2, T >

class	vecN< 3, T >

class	vecN< 4, T >

class	VertexShader
	Wrapper around an OpenGL vertex shader: a program executed on the GPU that computes per-vertex stuff. More...

Typedefs
using	mat2 = matMxN< 2, 2, float >

using	mat3 = matMxN< 3, 3, float >

using	mat4 = matMxN< 4, 4, float >

using	vec2 = vecN< 2, float >

using	vec3 = vecN< 3, float >

using	vec4 = vecN< 4, float >

using	ivec2 = vecN< 2, int >

using	ivec3 = vecN< 3, int >

using	ivec4 = vecN< 4, int >

Functions
template<int M, int N, typename T >
constexpr matMxN< M, N, T >	operator- (const matMxN< M, N, T > &A)

template<int M, int N, typename T >
constexpr matMxN< N, M, T >	transpose (const matMxN< M, N, T > &A)

template<typename T >
constexpr T	determinant (const matMxN< 2, 2, T > &A)

template<typename T >
constexpr T	determinant (const matMxN< 3, 3, T > &A)

template<typename T >
constexpr T	determinant (const matMxN< 4, 4, T > &A)

template<typename T >
constexpr matMxN< 2, 2, T >	inverse (const matMxN< 2, 2, T > &A)

template<typename T >
constexpr matMxN< 3, 3, T >	inverse (const matMxN< 3, 3, T > &A)

template<typename T >
constexpr matMxN< 4, 4, T >	inverse (const matMxN< 4, 4, T > &A)

template<int M, int N, typename T >
constexpr T	norm2_2 (const matMxN< M, N, T > &A)

constexpr mat4	scale (const vec3 &xyz)

constexpr mat4	scale (const mat4 &A, const vec3 &xyz)

constexpr mat4	translate (const vec3 &xyz)

constexpr mat4	translate (mat4 &A, const vec3 &xyz)

mat4	rotate (float angle, const vec3 &axis)

mat4	rotate (const mat4 &A, float angle, const vec3 &axis)

mat4	rotateX (float angle)

mat4	rotateX (const mat4 &A, float angle)

mat4	rotateY (float angle)

mat4	rotateY (const mat4 &A, float angle)

mat4	rotateZ (float angle)

mat4	rotateZ (const mat4 &A, float angle)

constexpr mat4	ortho (float left, float right, float bottom, float top, float nearVal, float farVal)

constexpr mat4	ortho (float width, float height)

constexpr mat4	frustum (float left, float right, float bottom, float top, float nearVal, float farVal)

float	rsqrt (float x)

double	rsqrt (double x)

template<typename T >
constexpr T	radians (T d)

template<typename T >
constexpr T	degrees (T r)

template<int N, typename T >
constexpr vecN< N, T >	operator- (const vecN< N, T > &x)

template<int N, typename T >
constexpr vecN< N, T >	min (const vecN< N, T > &x, const vecN< N, T > &y)

template<int N, typename T >
constexpr T	min_component (const vecN< N, T > &x)

template<int N, typename T >
constexpr vecN< N, T >	max (const vecN< N, T > &x, const vecN< N, T > &y)

template<int N, typename T >
constexpr vecN< N, T >	clamp (const vecN< N, T > &x, const vecN< N, T > &minVal, const vecN< N, T > &maxVal)

template<int N, typename T >
constexpr vecN< N, T >	clamp (const vecN< N, T > &x, T minVal, T maxVal)

template<int N, typename T >
constexpr T	sum (const vecN< N, T > &x)

template<int N, typename T >
constexpr vecN< N, T >	sum_broadcast (const vecN< N, T > &x)

template<int N, typename T >
constexpr T	dot (const vecN< N, T > &x, const vecN< N, T > &y)

template<int N, typename T >
constexpr vecN< N, T >	dot_broadcast (const vecN< N, T > &x, const vecN< N, T > &y)

template<int N, typename T >
constexpr T	length2 (const vecN< N, T > &x)

template<int N, typename T >
T	length (const vecN< N, T > &x)

template<int N, typename T >
vecN< N, T >	normalize (const vecN< N, T > &x)

template<typename T >
constexpr vecN< 3, T >	cross (const vecN< 3, T > &a, const vecN< 3, T > &b)

template<int N, typename T >
vecN< N, int >	round (const vecN< N, T > &x)

template<int N, typename T >
constexpr vecN< N, int >	trunc (const vecN< N, T > &x)

void	checkGLError (std::string_view prefix)

Variables
std::optional< Context >	context

Typedef Documentation

◆ ivec2

using gl::ivec2 = typedef vecN<2, int>

Definition at line 385 of file gl_vec.hh.

◆ ivec3

using gl::ivec3 = typedef vecN<3, int>

Definition at line 386 of file gl_vec.hh.

◆ ivec4

using gl::ivec4 = typedef vecN<4, int>

Definition at line 387 of file gl_vec.hh.

◆ mat2

using gl::mat2 = typedef matMxN<2, 2, float>

Definition at line 172 of file gl_mat.hh.

◆ mat3

using gl::mat3 = typedef matMxN<3, 3, float>

Definition at line 173 of file gl_mat.hh.

◆ mat4

using gl::mat4 = typedef matMxN<4, 4, float>

Definition at line 174 of file gl_mat.hh.

◆ vec2

using gl::vec2 = typedef vecN<2, float>

Definition at line 382 of file gl_vec.hh.

◆ vec3

using gl::vec3 = typedef vecN<3, float>

Definition at line 383 of file gl_vec.hh.

◆ vec4

using gl::vec4 = typedef vecN<4, float>

Definition at line 384 of file gl_vec.hh.

Function Documentation

◆ checkGLError()

void gl::checkGLError ( std::string_view prefix )

Definition at line 18 of file GLUtil.cc.

◆ clamp() [1/2]

template<int N, typename T >

constexpr vecN< N, T > gl::clamp	(	const vecN< N, T > &	x,
		const vecN< N, T > &	minVal,
		const vecN< N, T > &	maxVal
	)

constexpr

Definition at line 458 of file gl_vec.hh.

References max(), and min().

Referenced by clamp(), and TEST_CASE().

◆ clamp() [2/2]

template<int N, typename T >

constexpr vecN< N, T > gl::clamp	(	const vecN< N, T > &	x,
		T	minVal,
		T	maxVal
	)

constexpr

Definition at line 465 of file gl_vec.hh.

References clamp().

◆ cross()

template<typename T >

constexpr vecN< 3, T > gl::cross	(	const vecN< 3, T > &	a,
		const vecN< 3, T > &	b
	)

constexpr

Definition at line 519 of file gl_vec.hh.

◆ degrees()

template<typename T >

constexpr T gl::degrees ( T r )

constexpr

Definition at line 414 of file gl_vec.hh.

References Math::pi.

Referenced by TEST_CASE().

◆ determinant() [1/3]

template<typename T >

constexpr T gl::determinant ( const matMxN< 2, 2, T > & A )

constexpr

Definition at line 201 of file gl_mat.hh.

Referenced by inverse(), inverse(), and TEST_CASE().

◆ determinant() [2/3]

template<typename T >

constexpr T gl::determinant ( const matMxN< 3, 3, T > & A )

constexpr

Definition at line 208 of file gl_mat.hh.

◆ determinant() [3/3]

template<typename T >

constexpr T gl::determinant ( const matMxN< 4, 4, T > & A )

constexpr

Definition at line 217 of file gl_mat.hh.

References dot().

◆ dot()

template<int N, typename T >

constexpr T gl::dot	(	const vecN< N, T > &	x,
		const vecN< N, T > &	y
	)

constexpr

Definition at line 486 of file gl_vec.hh.

References sum().

Referenced by determinant(), inverse(), length2(), and TEST_CASE().

◆ dot_broadcast()

template<int N, typename T >

constexpr vecN< N, T > gl::dot_broadcast	(	const vecN< N, T > &	x,
		const vecN< N, T > &	y
	)

constexpr

Definition at line 491 of file gl_vec.hh.

References sum_broadcast().

Referenced by TEST_CASE().

◆ frustum()

constexpr mat4 gl::frustum	(	float	left,
		float	right,
		float	bottom,
		float	top,
		float	nearVal,
		float	farVal
	)

constexpr

Definition at line 197 of file gl_transform.hh.

Referenced by TEST_CASE().

◆ inverse() [1/3]

template<typename T >

constexpr matMxN< 2, 2, T > gl::inverse ( const matMxN< 2, 2, T > & A )

constexpr

Definition at line 235 of file gl_mat.hh.

References determinant().

Referenced by inverse(), TEST_CASE(), TEST_CASE(), TEST_CASE(), and TEST_CASE().

◆ inverse() [2/3]

template<typename T >

constexpr matMxN< 3, 3, T > gl::inverse ( const matMxN< 3, 3, T > & A )

constexpr

Definition at line 244 of file gl_mat.hh.

References determinant().

◆ inverse() [3/3]

template<typename T >

constexpr matMxN< 4, 4, T > gl::inverse ( const matMxN< 4, 4, T > & A )

constexpr

Definition at line 261 of file gl_mat.hh.

References dot(), i3, and inverse().

◆ length()

template<int N, typename T >

T gl::length ( const vecN< N, T > & x )

inline

Definition at line 505 of file gl_vec.hh.

References length2().

Referenced by TEST_CASE(), and TEST_CASE().

◆ length2()

template<int N, typename T >

constexpr T gl::length2 ( const vecN< N, T > & x )

constexpr

Definition at line 498 of file gl_vec.hh.

References dot().

Referenced by approxEq(), length(), and normalize().

◆ max()

template<int N, typename T >

constexpr vecN< N, T > gl::max	(	const vecN< N, T > &	x,
		const vecN< N, T > &	y
	)

constexpr

Definition at line 449 of file gl_vec.hh.

References xrange().

Referenced by clamp(), and TEST_CASE().

◆ min()

template<int N, typename T >

constexpr vecN< N, T > gl::min	(	const vecN< N, T > &	x,
		const vecN< N, T > &	y
	)

constexpr

Definition at line 431 of file gl_vec.hh.

References xrange().

Referenced by clamp(), and TEST_CASE().

◆ min_component()

template<int N, typename T >

constexpr T gl::min_component ( const vecN< N, T > & x )

constexpr

Definition at line 440 of file gl_vec.hh.

References xrange().

Referenced by TEST_CASE().

◆ norm2_2()

template<int M, int N, typename T >

constexpr T gl::norm2_2 ( const matMxN< M, N, T > & A )

constexpr

Definition at line 318 of file gl_mat.hh.

References sum(), t, and xrange().

Referenced by TEST_CASE().

◆ normalize()

template<int N, typename T >

vecN< N, T > gl::normalize ( const vecN< N, T > & x )

inline

Definition at line 512 of file gl_vec.hh.

References length2(), and rsqrt().

Referenced by TEST_CASE(), and TEST_CASE().

◆ operator-() [1/2]

template<int M, int N, typename T >

constexpr matMxN< M, N, T > gl::operator- ( const matMxN< M, N, T > & A )

constexpr

Definition at line 181 of file gl_mat.hh.

◆ operator-() [2/2]

template<int N, typename T >

constexpr vecN< N, T > gl::operator- ( const vecN< N, T > & x )

constexpr

Definition at line 424 of file gl_vec.hh.

◆ ortho() [1/2]

constexpr mat4 gl::ortho	(	float	left,
		float	right,
		float	bottom,
		float	top,
		float	nearVal,
		float	farVal
	)

constexpr

Definition at line 169 of file gl_transform.hh.

Referenced by gl::Context::setupMvpMatrix(), and TEST_CASE().

◆ ortho() [2/2]

constexpr mat4 gl::ortho	(	float	width,
		float	height
	)

constexpr

Definition at line 187 of file gl_transform.hh.

◆ radians()

template<typename T >

constexpr T gl::radians ( T d )

constexpr

Definition at line 410 of file gl_vec.hh.

References Math::pi.

Referenced by TEST_CASE(), and TEST_CASE().

◆ rotate() [1/2]

mat4 gl::rotate	(	const mat4 &	A,
		float	angle,
		const vec3 &	axis
	)

inline

Definition at line 84 of file gl_transform.hh.

References rotate().

◆ rotate() [2/2]

mat4 gl::rotate	(	float	angle,
		const vec3 &	axis
	)

inline

Definition at line 58 of file gl_transform.hh.

Referenced by rotate(), and TEST_CASE().

◆ rotateX() [1/2]

mat4 gl::rotateX	(	const mat4 &	A,
		float	angle
	)

inline

Definition at line 105 of file gl_transform.hh.

◆ rotateX() [2/2]

mat4 gl::rotateX ( float angle )

inline

Definition at line 93 of file gl_transform.hh.

Referenced by TEST_CASE().

◆ rotateY() [1/2]

mat4 gl::rotateY	(	const mat4 &	A,
		float	angle
	)

inline

Definition at line 130 of file gl_transform.hh.

◆ rotateY() [2/2]

mat4 gl::rotateY ( float angle )

inline

Definition at line 118 of file gl_transform.hh.

Referenced by TEST_CASE().

◆ rotateZ() [1/2]

mat4 gl::rotateZ	(	const mat4 &	A,
		float	angle
	)

inline

Definition at line 155 of file gl_transform.hh.

◆ rotateZ() [2/2]

mat4 gl::rotateZ ( float angle )

inline

Definition at line 143 of file gl_transform.hh.

Referenced by TEST_CASE().

◆ round()

template<int N, typename T >

vecN< N, int > gl::round ( const vecN< N, T > & x )

inline

Definition at line 528 of file gl_vec.hh.

References xrange().

Referenced by TEST_CASE().

◆ rsqrt() [1/2]

double gl::rsqrt ( double x )

inline

Definition at line 404 of file gl_vec.hh.

◆ rsqrt() [2/2]

float gl::rsqrt ( float x )

inline

Definition at line 400 of file gl_vec.hh.

Referenced by normalize(), and TEST_CASE().

◆ scale() [1/2]

constexpr mat4 gl::scale	(	const mat4 &	A,
		const vec3 &	xyz
	)

constexpr

Definition at line 26 of file gl_transform.hh.

◆ scale() [2/2]

constexpr mat4 gl::scale ( const vec3 & xyz )

constexpr

Definition at line 19 of file gl_transform.hh.

Referenced by openmsx::GLScopedClip::GLScopedClip(), TEST_CASE(), and TEST_CASE().

◆ sum()

template<int N, typename T >

constexpr T gl::sum ( const vecN< N, T > & x )

constexpr

Definition at line 472 of file gl_vec.hh.

References xrange().

Referenced by dot(), norm2_2(), sum_broadcast(), and TEST_CASE().

◆ sum_broadcast()

template<int N, typename T >

constexpr vecN< N, T > gl::sum_broadcast ( const vecN< N, T > & x )

constexpr

Definition at line 479 of file gl_vec.hh.

References sum().

Referenced by dot_broadcast(), and TEST_CASE().

◆ translate() [1/2]

constexpr mat4 gl::translate ( const vec3 & xyz )

constexpr

Definition at line 36 of file gl_transform.hh.

Referenced by TEST_CASE(), and TEST_CASE().

◆ translate() [2/2]

constexpr mat4 gl::translate	(	mat4 &	A,
		const vec3 &	xyz
	)

constexpr

Definition at line 45 of file gl_transform.hh.

◆ transpose()

template<int M, int N, typename T >

constexpr matMxN< N, M, T > gl::transpose ( const matMxN< M, N, T > & A )

constexpr

Definition at line 188 of file gl_mat.hh.

References xrange().

Referenced by TEST_CASE(), and TEST_CASE().

◆ trunc()

template<int N, typename T >

constexpr vecN< N, int > gl::trunc ( const vecN< N, T > & x )

constexpr

Definition at line 540 of file gl_vec.hh.

References xrange().

Referenced by openmsx::GLImage::GLImage(), and TEST_CASE().

Variable Documentation

◆ context

std::optional< Context > gl::context

Definition at line 10 of file GLContext.cc.

Referenced by openmsx::GLScalerFactory::createScaler(), openmsx::GLImage::draw(), openmsx::GLSnow::paint(), openmsx::PostProcessor::paint(), openmsx::GLScaler::setup(), openmsx::VisibleSurface::VisibleSurface(), and openmsx::VisibleSurface::~VisibleSurface().

Classes

Typedefs

Functions

Variables

Typedef Documentation

◆ ivec2

◆ ivec3

◆ ivec4

◆ mat2

◆ mat3

◆ mat4

◆ vec2

◆ vec3

◆ vec4

Function Documentation

◆ checkGLError()

◆ clamp() [1/2]

◆ clamp() [2/2]

◆ cross()

◆ degrees()

◆ determinant() [1/3]

◆ determinant() [2/3]

◆ determinant() [3/3]

◆ dot()

◆ dot_broadcast()

◆ frustum()

◆ inverse() [1/3]

◆ inverse() [2/3]

◆ inverse() [3/3]

◆ length()

◆ length2()

◆ max()

◆ min()

◆ min_component()

◆ norm2_2()

◆ normalize()

◆ operator-() [1/2]

◆ operator-() [2/2]

◆ ortho() [1/2]

◆ ortho() [2/2]

◆ radians()

◆ rotate() [1/2]

◆ rotate() [2/2]

◆ rotateX() [1/2]

◆ rotateX() [2/2]

◆ rotateY() [1/2]

◆ rotateY() [2/2]

◆ rotateZ() [1/2]

◆ rotateZ() [2/2]

◆ round()

◆ rsqrt() [1/2]

◆ rsqrt() [2/2]

◆ scale() [1/2]

◆ scale() [2/2]

◆ sum()

◆ sum_broadcast()

◆ translate() [1/2]

◆ translate() [2/2]

◆ transpose()

◆ trunc()

Variable Documentation

◆ context