gl Namespace Reference

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	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, const matMxN< M, N, T > &B)
template<int M, int N, typename T >
constexpr matMxN< M, N, T >	operator- (const matMxN< M, N, T > &A, const matMxN< M, N, T > &B)
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< M, N, T >	operator* (T x, const matMxN< M, N, T > &A)
template<int M, int N, typename T >
constexpr matMxN< M, N, T >	operator* (const matMxN< M, N, T > &A, T x)
template<int M, int N, typename T >
constexpr vecN< M, T >	operator* (const matMxN< M, N, T > &A, const vecN< N, T > &x)
template<int M, int N, int O, typename T >
constexpr matMxN< M, O, T >	operator* (const matMxN< M, N, T > &A, const matMxN< N, O, T > &B)
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)
template<int M, int N, typename T >
std::ostream &	operator<< (std::ostream &os, 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	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 >	operator+ (const vecN< N, T > &x, const vecN< N, T > &y)
template<int N, typename T >
constexpr vecN< N, T >	operator- (const vecN< N, T > &x, const vecN< N, T > &y)
template<int N, typename T >
constexpr vecN< N, T >	operator* (T x, const vecN< N, T > &y)
template<int N, typename T >
constexpr vecN< N, T >	operator* (const vecN< N, T > &x, T y)
template<int N, typename T >
constexpr vecN< N, T >	operator* (const vecN< N, T > &x, const vecN< N, T > &y)
template<int N, typename T >
constexpr vecN< N, T >	recip (const vecN< N, T > &x)
template<int N, typename T >
constexpr vecN< N, T >	operator/ (T x, const vecN< N, T > &y)
template<int N, typename T >
constexpr vecN< N, T >	operator/ (const vecN< N, T > &x, T y)
template<int N, typename T >
constexpr vecN< N, T >	operator/ (const vecN< N, T > &x, const vecN< N, T > &y)
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 > &x, const vecN< 3, T > &y)
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)
template<int N, typename T >
std::ostream &	operator<< (std::ostream &os, 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 153 of file gl_vec.hh.

ivec3

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

Definition at line 154 of file gl_vec.hh.

ivec4

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

Definition at line 155 of file gl_vec.hh.

mat2

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

Definition at line 121 of file gl_mat.hh.

mat3

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

Definition at line 122 of file gl_mat.hh.

mat4

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

Definition at line 123 of file gl_mat.hh.

vec2

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

Definition at line 150 of file gl_vec.hh.

vec3

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

Definition at line 151 of file gl_vec.hh.

vec4

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

Definition at line 152 of file gl_vec.hh.

Function Documentation

checkGLError()

void gl::checkGLError

(

std::string_view

prefix

)

Definition at line 15 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 294 of file gl_vec.hh.

Referenced by openmsx::FloatSetting::FloatSetting(), openmsx::FrameSource::getLine(), openmsx::IntegerSetting::IntegerSetting(), openmsx::MLAAScaler< Pixel >::scaleImage(), openmsx::OSDImageBasedWidget::setProperty(), 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 301 of file gl_vec.hh.

cross()

template<typename T >

constexpr vecN< 3, T > gl::cross ( const vecN< 3, T > &  x, const vecN< 3, T > &  y  )

constexpr

Definition at line 355 of file gl_vec.hh.

degrees()

template<typename T >

constexpr T gl::degrees ( T  r )

constexpr

Definition at line 175 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 204 of file gl_mat.hh.

Referenced by TEST_CASE().

determinant() [2/3]

template<typename T >

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

constexpr

Definition at line 211 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 220 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 322 of file gl_vec.hh.

Referenced by determinant(), inverse(), 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 327 of file gl_vec.hh.

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 185 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 238 of file gl_mat.hh.

Referenced by inverse(), 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 247 of file gl_mat.hh.

inverse() [3/3]

template<typename T >

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

constexpr

Definition at line 264 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 341 of file gl_vec.hh.

Referenced by LZ4::decompress(), openmsx::DiskPartition::DiskPartition(), openmsx::TclObject::getBinary(), openmsx::TclObject::getString(), openmsx::MemInputArchive::load(), openmsx::MemInputArchive::loadStr(), openmsx::CommandLineParser::registerOption(), openmsx::MLAAScaler< Pixel >::scaleImage(), TEST_CASE(), openmsx::ResampledSoundDevice::updateBuffer(), and utf8::internal::validate_next().

length2()

template<int N, typename T >

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

constexpr

Definition at line 334 of file gl_vec.hh.

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 285 of file gl_vec.hh.

Referenced by openmsx::BlipBuffer::addDelta(), openmsx::OutputBuffer::allocate(), append(), openmsx::V9990P1Converter< Pixel >::convertLine(), openmsx::SDLRasterizer< Pixel >::drawBorder(), openmsx::V9990SDLRasterizer< Pixel >::drawBorder(), openmsx::EmuDurationCompactStorage< T >::EmuDurationCompactStorage(), openmsx::EmuDuration::infinity(), openmsx::SuperImposedFrame::init(), StringOp::parseRange(), openmsx::Paper::plot(), openmsx::ImagePrinter::printGraphicByte(), openmsx::ImagePrinter::printVisibleCharacter(), openmsx::TTFFont::render(), openmsx::MLAAScaler< Pixel >::scaleImage(), openmsx::OSDImageBasedWidget::setProperty(), StringOp::stringTo(), TEST_CASE(), openmsx::NowindInterface::writeMem(), and openmsx::ZlibInflate::ZlibInflate().

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 267 of file gl_vec.hh.

Referenced by hash_set< Value, Extractor, Hasher, Equal >::capacity(), openmsx::V9990P1Converter< Pixel >::convertLine(), openmsx::SDLRasterizer< Pixel >::drawBorder(), openmsx::V9990SDLRasterizer< Pixel >::drawBorder(), openmsx::SDLRasterizer< Pixel >::drawDisplay(), openmsx::SDLRasterizer< Pixel >::drawSprites(), openmsx::DiskImageUtils::format(), openmsx::SectorAccessibleDisk::getSha1SumImpl(), openmsx::MSXSCCPlusCart::MSXSCCPlusCart(), StringOp::caseless::operator()(), StringOp::parseRange(), openmsx::Paper::plot(), openmsx::ImagePrinter::printGraphicByte(), openmsx::ImagePrinter::printVisibleCharacter(), openmsx::PasswordCart::readIO(), openmsx::BlipBuffer::readSamples(), openmsx::MSXCPUInterface::registerMemDevice(), openmsx::LineRepeater< i >::scaleFixedLine(), openmsx::MLAAScaler< Pixel >::scaleImage(), circular_buffer< T >::set_capacity(), TEST_CASE(), openmsx::FileBase::truncate(), and openmsx::MSXCPUInterface::unregisterMemDevice().

min_component()

template<int N, typename T >

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

constexpr

Definition at line 276 of file gl_vec.hh.

Referenced by openmsx::OutputSurface::calculateViewPort(), and 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 321 of file gl_mat.hh.

References 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 348 of file gl_vec.hh.

operator*() [1/7]

template<int M, int N, int O, typename T >

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

constexpr

Definition at line 182 of file gl_mat.hh.

operator*() [2/7]

template<int M, int N, typename T >

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

constexpr

Definition at line 173 of file gl_mat.hh.

operator*() [3/7]

template<int M, int N, typename T >

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

constexpr

Definition at line 164 of file gl_mat.hh.

operator*() [4/7]

template<int N, typename T >

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

constexpr

Definition at line 228 of file gl_vec.hh.

operator*() [5/7]

template<int N, typename T >

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

constexpr

Definition at line 219 of file gl_vec.hh.

operator*() [6/7]

template<int M, int N, typename T >

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

constexpr

Definition at line 155 of file gl_mat.hh.

operator*() [7/7]

template<int N, typename T >

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

constexpr

Definition at line 210 of file gl_vec.hh.

operator+() [1/2]

template<int M, int N, typename T >

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

constexpr

Definition at line 130 of file gl_mat.hh.

operator+() [2/2]

template<int N, typename T >

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

constexpr

Definition at line 192 of file gl_vec.hh.

operator-() [1/4]

template<int M, int N, typename T >

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

constexpr

Definition at line 148 of file gl_mat.hh.

operator-() [2/4]

template<int M, int N, typename T >

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

constexpr

Definition at line 139 of file gl_mat.hh.

operator-() [3/4]

template<int N, typename T >

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

constexpr

Definition at line 185 of file gl_vec.hh.

operator-() [4/4]

template<int N, typename T >

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

constexpr

Definition at line 201 of file gl_vec.hh.

operator/() [1/3]

template<int N, typename T >

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

constexpr

Definition at line 260 of file gl_vec.hh.

operator/() [2/3]

template<int N, typename T >

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

constexpr

Definition at line 253 of file gl_vec.hh.

operator/() [3/3]

template<int N, typename T >

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

constexpr

Definition at line 246 of file gl_vec.hh.

operator<<() [1/2]

template<int M, int N, typename T >

std::ostream & gl::operator<<	(	std::ostream &	os,
		const matMxN< M, N, T > &	A
	)

Definition at line 330 of file gl_mat.hh.

References xrange().

operator<<() [2/2]

template<int N, typename T >

std::ostream & gl::operator<<	(	std::ostream &	os,
		const vecN< N, T > &	x
	)

Definition at line 385 of file gl_vec.hh.

ortho()

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::Context().

radians()

template<typename T >

constexpr T gl::radians ( T  d )

constexpr

Definition at line 171 of file gl_vec.hh.

Referenced by TEST_CASE().

recip()

template<int N, typename T >

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

constexpr

Definition at line 237 of file gl_vec.hh.

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().

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.

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.

round()

template<int N, typename T >

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

inline

Definition at line 364 of file gl_vec.hh.

rsqrt() [1/2]

double gl::rsqrt ( double  x )

inline

Definition at line 165 of file gl_vec.hh.

rsqrt() [2/2]

float gl::rsqrt ( float  x )

inline

Definition at line 161 of file gl_vec.hh.

Referenced by 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::OutputSurface::calculateViewPort(), openmsx::GLScopedClip::GLScopedClip(), openmsx::StretchScalerOutputN< Pixel, IN_WIDTH, SCALE >::releaseLine(), openmsx::FrameSource::scaleLine(), and TEST_CASE().

sum()

template<int N, typename T >

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

constexpr

Definition at line 308 of file gl_vec.hh.

sum_broadcast()

template<int N, typename T >

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

constexpr

Definition at line 315 of file gl_vec.hh.

Referenced by 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().

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 191 of file gl_mat.hh.

Referenced by TEST_CASE().

trunc()

template<int N, typename T >

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

constexpr

Definition at line 376 of file gl_vec.hh.

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

Variable Documentation

context

std::optional< Context > gl::context

Definition at line 10 of file GLContext.cc.

Referenced by openmsx::Completer::completeFileName(), openmsx::GLScalerFactory::createScaler(), openmsx::GLImage::draw(), openmsx::GLHQLiteScaler::GLHQLiteScaler(), openmsx::GLHQScaler::GLHQScaler(), openmsx::SettingsConfig::loadSetting(), openmsx::GLPostProcessor::paint(), openmsx::GLSnow::paint(), openmsx::CommandLineParser::parse(), openmsx::SDLGLVisibleSurface::SDLGLVisibleSurface(), openmsx::OldXMLElement::serialize(), openmsx::SettingsConfig::setSaveFilename(), and openmsx::SDLGLVisibleSurface::~SDLGLVisibleSurface().