openMSX
Classes | Typedefs | Functions | Variables
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
 
class  matMxN< 4, 4, T >
 
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 >
bool operator== (const matMxN< M, N, T > &A, const matMxN< M, N, T > &B)
 
template<int M, int N, typename T >
bool operator!= (const matMxN< M, N, T > &A, const matMxN< M, N, T > &B)
 
template<int M, int N, typename T >
matMxN< M, N, T > operator+ (const matMxN< M, N, T > &A, const matMxN< M, N, T > &B)
 
template<int M, int N, typename T >
matMxN< M, N, T > operator- (const matMxN< M, N, T > &A, const matMxN< M, N, T > &B)
 
template<int M, int N, typename T >
matMxN< M, N, T > operator- (const matMxN< M, N, T > &A)
 
template<int M, int N, typename T >
matMxN< M, N, T > operator* (T x, const matMxN< M, N, T > &A)
 
template<int M, int N, typename T >
matMxN< M, N, T > operator* (const matMxN< M, N, T > &A, T x)
 
template<int M, int N, typename T >
vecN< M, T > operator* (const matMxN< M, N, T > &A, const vecN< N, T > &x)
 
template<typename T >
vecN< 4, T > operator* (const matMxN< 4, 4, T > &A, vecN< 4, T > x)
 
template<int M, int N, int O, typename T >
matMxN< M, O, T > operator* (const matMxN< M, N, T > &A, const matMxN< N, O, T > &B)
 
template<int M, int N, typename T >
matMxN< N, M, T > transpose (const matMxN< M, N, T > &A)
 
template<typename T >
determinant (const matMxN< 2, 2, T > &A)
 
template<typename T >
determinant (const matMxN< 3, 3, T > &A)
 
template<typename T >
determinant (const matMxN< 4, 4, T > &A)
 
template<typename T >
matMxN< 2, 2, T > inverse (const matMxN< 2, 2, T > &A)
 
template<typename T >
matMxN< 3, 3, T > inverse (const matMxN< 3, 3, T > &A)
 
template<typename T >
matMxN< 4, 4, T > inverse (const matMxN< 4, 4, T > &A)
 
template<int M, int N, typename 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)
 
mat4 scale (const vec3 &xyz)
 
mat4 scale (const mat4 &A, const vec3 &xyz)
 
mat4 translate (const vec3 &xyz)
 
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)
 
mat4 ortho (float left, float right, float bottom, float top, float nearVal, float farVal)
 
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 >
radians (T d)
 
template<typename T >
degrees (T r)
 
template<int N, typename T >
bool operator== (const vecN< N, T > &x, const vecN< N, T > &y)
 
template<int N, typename T >
bool operator!= (const vecN< N, T > &x, const vecN< N, T > &y)
 
template<int N, typename T >
vecN< N, T > operator- (const vecN< N, T > &x)
 
template<int N, typename T >
vecN< N, T > operator+ (const vecN< N, T > &x, const vecN< N, T > &y)
 
template<int N, typename T >
vecN< N, T > operator- (const vecN< N, T > &x, const vecN< N, T > &y)
 
template<int N, typename T >
vecN< N, T > operator* (T x, const vecN< N, T > &y)
 
template<int N, typename T >
vecN< N, T > operator* (const vecN< N, T > &x, T y)
 
template<int N, typename T >
vecN< N, T > operator* (const vecN< N, T > &x, const vecN< N, T > &y)
 
template<int N, typename T >
vecN< N, T > recip (const vecN< N, T > &x)
 
template<int N, typename T >
vecN< N, T > operator/ (T x, const vecN< N, T > &y)
 
template<int N, typename T >
vecN< N, T > operator/ (const vecN< N, T > &x, T y)
 
template<int N, typename T >
vecN< N, T > operator/ (const vecN< N, T > &x, const vecN< N, T > &y)
 
template<int N, typename T >
vecN< N, T > min (const vecN< N, T > &x, const vecN< N, T > &y)
 
template<int N, typename T >
min_component (const vecN< N, T > &x)
 
template<int N, typename T >
vecN< N, T > max (const vecN< N, T > &x, const vecN< N, T > &y)
 
template<int N, typename T >
vecN< N, T > clamp (const vecN< N, T > &x, const vecN< N, T > &minVal, const vecN< N, T > &maxVal)
 
template<int N, typename T >
vecN< N, T > clamp (const vecN< N, T > &x, T minVal, T maxVal)
 
template<int N, typename T >
sum (const vecN< N, T > &x)
 
template<int N, typename T >
vecN< N, T > sum_broadcast (const vecN< N, T > &x)
 
template<int N, typename T >
dot (const vecN< N, T > &x, const vecN< N, T > &y)
 
template<int N, typename T >
vecN< N, T > dot_broadcast (const vecN< N, T > &x, const vecN< N, T > &y)
 
template<int N, typename T >
length2 (const vecN< N, T > &x)
 
template<int N, typename T >
length (const vecN< N, T > &x)
 
template<int N, typename T >
vecN< N, T > normalize (const vecN< N, T > &x)
 
template<typename T >
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 >
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::unique_ptr< Contextcontext
 

Typedef Documentation

◆ ivec2

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

Definition at line 147 of file gl_vec.hh.

◆ ivec3

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

Definition at line 148 of file gl_vec.hh.

◆ ivec4

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

Definition at line 149 of file gl_vec.hh.

◆ mat2

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

Definition at line 157 of file gl_mat.hh.

◆ mat3

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

Definition at line 158 of file gl_mat.hh.

◆ mat4

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

Definition at line 159 of file gl_mat.hh.

◆ vec2

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

Definition at line 144 of file gl_vec.hh.

◆ vec3

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

Definition at line 145 of file gl_vec.hh.

◆ vec4

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

Definition at line 146 of file gl_vec.hh.

Function Documentation

◆ checkGLError()

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

Definition at line 17 of file GLUtil.cc.

◆ clamp() [1/2]

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

Definition at line 301 of file gl_vec.hh.

References max(), min(), and openmsx::x.

Referenced by clamp(), openmsx::MLAAScaler< Pixel >::scaleImage(), and TEST_CASE().

◆ clamp() [2/2]

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

Definition at line 308 of file gl_vec.hh.

References clamp(), and openmsx::x.

◆ cross()

template<typename T >
vecN<3, T> gl::cross ( const vecN< 3, T > &  x,
const vecN< 3, T > &  y 
)
inline

Definition at line 362 of file gl_vec.hh.

References openmsx::x.

◆ degrees()

template<typename T >
T gl::degrees ( r)
inline

Definition at line 169 of file gl_vec.hh.

References M_PI.

Referenced by TEST_CASE().

◆ determinant() [1/3]

template<typename T >
T gl::determinant ( const matMxN< 2, 2, T > &  A)
inline

Definition at line 259 of file gl_mat.hh.

References openmsx::A.

Referenced by TEST_CASE().

◆ determinant() [2/3]

template<typename T >
T gl::determinant ( const matMxN< 3, 3, T > &  A)
inline

Definition at line 266 of file gl_mat.hh.

References openmsx::A.

◆ determinant() [3/3]

template<typename T >
T gl::determinant ( const matMxN< 4, 4, T > &  A)
inline

Definition at line 275 of file gl_mat.hh.

References openmsx::A, and dot().

◆ dot()

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

Definition at line 329 of file gl_vec.hh.

References sum(), and openmsx::x.

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

◆ dot_broadcast()

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

Definition at line 334 of file gl_vec.hh.

References sum_broadcast(), and openmsx::x.

Referenced by TEST_CASE().

◆ frustum()

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

Definition at line 184 of file gl_transform.hh.

Referenced by TEST_CASE().

◆ inverse() [1/3]

template<typename T >
matMxN<2, 2, T> gl::inverse ( const matMxN< 2, 2, T > &  A)
inline

Definition at line 293 of file gl_mat.hh.

Referenced by inverse(), and TEST_CASE().

◆ inverse() [2/3]

template<typename T >
matMxN<3, 3, T> gl::inverse ( const matMxN< 3, 3, T > &  A)
inline

Definition at line 302 of file gl_mat.hh.

◆ inverse() [3/3]

template<typename T >
matMxN<4, 4, T> gl::inverse ( const matMxN< 4, 4, T > &  A)
inline

Definition at line 319 of file gl_mat.hh.

References openmsx::A, dot(), i3, and inverse().

◆ length()

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

◆ length2()

template<int N, typename T >
T gl::length2 ( const vecN< N, T > &  x)
inline

Definition at line 341 of file gl_vec.hh.

References dot(), and openmsx::x.

Referenced by approxEq(), openmsx::IPSPatch::IPSPatch(), length(), and normalize().

◆ max()

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

◆ min()

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

◆ min_component()

template<int N, typename T >
T gl::min_component ( const vecN< N, T > &  x)
inline

Definition at line 283 of file gl_vec.hh.

References min(), openmsx::N, and openmsx::x.

Referenced by openmsx::OutputSurface::calculateViewPort(), and TEST_CASE().

◆ norm2_2()

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

Definition at line 376 of file gl_mat.hh.

References openmsx::A, openmsx::N, sum(), and t.

Referenced by TEST_CASE().

◆ normalize()

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

Definition at line 355 of file gl_vec.hh.

References length2(), rsqrt(), and openmsx::x.

Referenced by TEST_CASE().

◆ operator!=() [1/2]

template<int M, int N, typename T >
bool gl::operator!= ( const matMxN< M, N, T > &  A,
const matMxN< M, N, T > &  B 
)
inline

Definition at line 172 of file gl_mat.hh.

References openmsx::A, and openmsx::B.

◆ operator!=() [2/2]

template<int N, typename T >
bool gl::operator!= ( const vecN< N, T > &  x,
const vecN< N, T > &  y 
)
inline

Definition at line 185 of file gl_vec.hh.

References openmsx::x.

◆ operator*() [1/8]

template<typename T >
vecN<4, T> gl::operator* ( const matMxN< 4, 4, T > &  A,
vecN< 4, T >  x 
)
inline

Definition at line 229 of file gl_mat.hh.

References openmsx::A, and openmsx::x.

◆ operator*() [2/8]

template<int M, int N, int O, typename T >
matMxN<M, O, T> gl::operator* ( const matMxN< M, N, T > &  A,
const matMxN< N, O, T > &  B 
)
inline

Definition at line 237 of file gl_mat.hh.

References openmsx::R.

◆ operator*() [3/8]

template<int M, int N, typename T >
vecN<M, T> gl::operator* ( const matMxN< M, N, T > &  A,
const vecN< N, T > &  x 
)
inline

Definition at line 222 of file gl_mat.hh.

References openmsx::A, openmsx::N, and openmsx::x.

◆ operator*() [4/8]

template<int M, int N, typename T >
matMxN<M, N, T> gl::operator* ( const matMxN< M, N, T > &  A,
x 
)
inline

Definition at line 213 of file gl_mat.hh.

References openmsx::A, openmsx::N, openmsx::R, and openmsx::x.

◆ operator*() [5/8]

template<int N, typename T >
vecN<N, T> gl::operator* ( const vecN< N, T > &  x,
const vecN< N, T > &  y 
)
inline

Definition at line 235 of file gl_vec.hh.

References openmsx::N, and openmsx::x.

◆ operator*() [6/8]

template<int N, typename T >
vecN<N, T> gl::operator* ( const vecN< N, T > &  x,
y 
)
inline

Definition at line 226 of file gl_vec.hh.

References openmsx::N, and openmsx::x.

◆ operator*() [7/8]

template<int M, int N, typename T >
matMxN<M, N, T> gl::operator* ( x,
const matMxN< M, N, T > &  A 
)
inline

Definition at line 204 of file gl_mat.hh.

References openmsx::A, openmsx::N, openmsx::R, and openmsx::x.

◆ operator*() [8/8]

template<int N, typename T >
vecN<N, T> gl::operator* ( x,
const vecN< N, T > &  y 
)
inline

Definition at line 217 of file gl_vec.hh.

References openmsx::N, and openmsx::x.

◆ operator+() [1/2]

template<int M, int N, typename T >
matMxN<M, N, T> gl::operator+ ( const matMxN< M, N, T > &  A,
const matMxN< M, N, T > &  B 
)
inline

Definition at line 179 of file gl_mat.hh.

References openmsx::A, openmsx::B, openmsx::N, and openmsx::R.

◆ operator+() [2/2]

template<int N, typename T >
vecN<N, T> gl::operator+ ( const vecN< N, T > &  x,
const vecN< N, T > &  y 
)
inline

Definition at line 199 of file gl_vec.hh.

References openmsx::N, and openmsx::x.

◆ operator-() [1/4]

template<int M, int N, typename T >
matMxN<M, N, T> gl::operator- ( const matMxN< M, N, T > &  A)
inline

Definition at line 197 of file gl_mat.hh.

References openmsx::A, and openmsx::N.

◆ operator-() [2/4]

template<int M, int N, typename T >
matMxN<M, N, T> gl::operator- ( const matMxN< M, N, T > &  A,
const matMxN< M, N, T > &  B 
)
inline

Definition at line 188 of file gl_mat.hh.

References openmsx::A, openmsx::B, openmsx::N, and openmsx::R.

◆ operator-() [3/4]

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

Definition at line 192 of file gl_vec.hh.

References openmsx::x.

◆ operator-() [4/4]

template<int N, typename T >
vecN<N, T> gl::operator- ( const vecN< N, T > &  x,
const vecN< N, T > &  y 
)
inline

Definition at line 208 of file gl_vec.hh.

References openmsx::N, and openmsx::x.

◆ operator/() [1/3]

template<int N, typename T >
vecN<N, T> gl::operator/ ( const vecN< N, T > &  x,
const vecN< N, T > &  y 
)
inline

Definition at line 267 of file gl_vec.hh.

References recip(), and openmsx::x.

◆ operator/() [2/3]

template<int N, typename T >
vecN<N, T> gl::operator/ ( const vecN< N, T > &  x,
y 
)
inline

Definition at line 260 of file gl_vec.hh.

References openmsx::x.

◆ operator/() [3/3]

template<int N, typename T >
vecN<N, T> gl::operator/ ( x,
const vecN< N, T > &  y 
)
inline

Definition at line 253 of file gl_vec.hh.

References recip(), and openmsx::x.

◆ 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 385 of file gl_mat.hh.

References openmsx::A, and openmsx::N.

◆ operator<<() [2/2]

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

Definition at line 392 of file gl_vec.hh.

References openmsx::N, and openmsx::x.

◆ operator==() [1/2]

template<int M, int N, typename T >
bool gl::operator== ( const matMxN< M, N, T > &  A,
const matMxN< M, N, T > &  B 
)
inline

Definition at line 166 of file gl_mat.hh.

References openmsx::A, openmsx::B, and openmsx::N.

◆ operator==() [2/2]

template<int N, typename T >
bool gl::operator== ( const vecN< N, T > &  x,
const vecN< N, T > &  y 
)
inline

Definition at line 179 of file gl_vec.hh.

References openmsx::N, and openmsx::x.

◆ ortho()

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

Definition at line 169 of file gl_transform.hh.

Referenced by gl::Context::Context().

◆ radians()

template<typename T >
T gl::radians ( d)
inline

Definition at line 165 of file gl_vec.hh.

Referenced by TEST_CASE().

◆ recip()

template<int N, typename T >
vecN<N, T> gl::recip ( const vecN< N, T > &  x)
inline

Definition at line 244 of file gl_vec.hh.

References openmsx::N, and openmsx::x.

Referenced by operator/().

◆ 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 openmsx::A, and 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.

References openmsx::A.

◆ 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.

References openmsx::A.

◆ 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.

References openmsx::A.

◆ 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 371 of file gl_vec.hh.

References openmsx::N, and openmsx::x.

Referenced by TEST_CASE().

◆ rsqrt() [1/2]

double gl::rsqrt ( double  x)
inline

Definition at line 159 of file gl_vec.hh.

References cstd::sqrt(), and openmsx::x.

◆ rsqrt() [2/2]

float gl::rsqrt ( float  x)
inline

Definition at line 155 of file gl_vec.hh.

References openmsx::x.

Referenced by normalize(), and TEST_CASE().

◆ scale() [1/2]

mat4 gl::scale ( const mat4 A,
const vec3 xyz 
)
inline

Definition at line 26 of file gl_transform.hh.

References openmsx::A.

◆ scale() [2/2]

mat4 gl::scale ( const vec3 xyz)
inline

◆ sum()

template<int N, typename T >
T gl::sum ( const vecN< N, T > &  x)
inline

Definition at line 315 of file gl_vec.hh.

References openmsx::N, and openmsx::x.

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

◆ sum_broadcast()

template<int N, typename T >
vecN<N, T> gl::sum_broadcast ( const vecN< N, T > &  x)
inline

Definition at line 322 of file gl_vec.hh.

References sum(), and openmsx::x.

Referenced by dot_broadcast(), and TEST_CASE().

◆ translate() [1/2]

mat4 gl::translate ( const vec3 xyz)
inline

Definition at line 36 of file gl_transform.hh.

Referenced by TEST_CASE().

◆ translate() [2/2]

mat4 gl::translate ( mat4 A,
const vec3 xyz 
)
inline

Definition at line 45 of file gl_transform.hh.

References openmsx::A.

◆ transpose()

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

Definition at line 246 of file gl_mat.hh.

References openmsx::A, openmsx::N, and openmsx::R.

Referenced by TEST_CASE().

◆ trunc()

template<int N, typename T >
vecN<N, int> gl::trunc ( const vecN< N, T > &  x)
inline

Definition at line 383 of file gl_vec.hh.

References openmsx::N, and openmsx::x.

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

Variable Documentation

◆ context

std::unique_ptr< Context > gl::context