Shader Class Reference

#include <Shader.h>

Collaboration diagram for Shader:

Public Member Functions
	Shader ()
	~Shader ()
int	compile (const char *vertex, const char *fragment)
void	use ()
int	addUniform (const char *name)
unsigned int	getUniform (int n)
void	loadUniform (int uni, glm::vec2 vec)
void	loadUniform (int uni, glm::vec4 vec)
void	loadUniform (int uni, glm::mat4 mat)
void	loadUniform (int uni, int texture, TextureStorage store)

Static Public Member Functions
static int	initialize ()
static void	shutdown ()
static void	set2DState (bool on, bool depth=true)
static void	drawGL (ShaderBuffer &vertices, ShaderBuffer &uvs, glm::vec4 color, unsigned int texture, TextureStorage store=TextureStorage::SYSTEM, unsigned int mode=GL_TRIANGLES, ShaderTexture *target=nullptr, Shader &shader=textShader)
static void	drawGL (ShaderBuffer &vertices, ShaderBuffer &uvs, unsigned int texture, glm::mat4 MVP, TextureStorage store=TextureStorage::GAME, ShaderTexture *target=nullptr, Shader &shader=textureShader)
static void	drawGL (ShaderBuffer &vertices, ShaderBuffer &uvs, ShaderBuffer &indices, unsigned int texture, glm::mat4 MVP, TextureStorage store=TextureStorage::GAME, ShaderTexture *target=nullptr, Shader &shader=textureShader)
static void	drawGL (ShaderBuffer &vertices, ShaderBuffer &colors, glm::mat4 MVP, unsigned int mode=GL_TRIANGLES, ShaderTexture *target=nullptr, Shader &shader=colorShader)
static void	drawGL (ShaderBuffer &vertices, ShaderBuffer &colors, ShaderBuffer &indices, glm::mat4 MVP, unsigned int mode=GL_TRIANGLES, ShaderTexture *target=nullptr, Shader &shader=colorShader)

Private Attributes
int	programID
std::vector< unsigned int >	uniforms

Static Private Attributes
static Shader	textShader
static const char *	textShaderVertex
static const char *	textShaderFragment
static Shader	textureShader
static const char *	textureShaderVertex
static const char *	textureShaderFragment
static Shader	colorShader
static const char *	colorShaderVertex
static const char *	colorShaderFragment
static unsigned int	vertexArrayID = 0

Detailed Description

Definition at line 54 of file Shader.h.

Constructor & Destructor Documentation

Shader::Shader ( )

inline

Definition at line 56 of file Shader.h.

Shader::~Shader

(

)

Definition at line 96 of file Shader.cpp.

Member Function Documentation

int Shader::compile	(	const char *	vertex,
		const char *	fragment
	)

Definition at line 139 of file Shader.cpp.

void Shader::use

(

)

Definition at line 134 of file Shader.cpp.

int Shader::addUniform

(

const char *

name

)

Definition at line 101 of file Shader.cpp.

unsigned int Shader::getUniform

(

int

n

)

Definition at line 112 of file Shader.cpp.

void Shader::loadUniform	(	int	uni,
		glm::vec2	vec
	)

Definition at line 118 of file Shader.cpp.

void Shader::loadUniform	(	int	uni,
		glm::vec4	vec
	)

Definition at line 122 of file Shader.cpp.

void Shader::loadUniform	(	int	uni,
		glm::mat4	mat
	)

Definition at line 126 of file Shader.cpp.

void Shader::loadUniform	(	int	uni,
		int	texture,
		TextureStorage	store
	)

Definition at line 130 of file Shader.cpp.

int Shader::initialize ( )

static

Definition at line 218 of file Shader.cpp.

void Shader::shutdown ( )

static

Definition at line 262 of file Shader.cpp.

void Shader::set2DState ( bool  on, bool  depth = true  )

static

Definition at line 266 of file Shader.cpp.

void Shader::drawGL ( ShaderBuffer &  vertices, ShaderBuffer &  uvs, glm::vec4  color, unsigned int  texture, TextureStorage  store = TextureStorage::SYSTEM, unsigned int  mode = GL_TRIANGLES, ShaderTexture *  target = nullptr, Shader &  shader = textShader  )

static

Definition at line 278 of file Shader.cpp.

void Shader::drawGL ( ShaderBuffer &  vertices, ShaderBuffer &  uvs, unsigned int  texture, glm::mat4  MVP, TextureStorage  store = TextureStorage::GAME, ShaderTexture *  target = nullptr, Shader &  shader = textureShader  )

static

Definition at line 308 of file Shader.cpp.

void Shader::drawGL ( ShaderBuffer &  vertices, ShaderBuffer &  uvs, ShaderBuffer &  indices, unsigned int  texture, glm::mat4  MVP, TextureStorage  store = TextureStorage::GAME, ShaderTexture *  target = nullptr, Shader &  shader = textureShader  )

static

Definition at line 331 of file Shader.cpp.

void Shader::drawGL ( ShaderBuffer &  vertices, ShaderBuffer &  colors, glm::mat4  MVP, unsigned int  mode = GL_TRIANGLES, ShaderTexture *  target = nullptr, Shader &  shader = colorShader  )

static

Definition at line 370 of file Shader.cpp.

void Shader::drawGL ( ShaderBuffer &  vertices, ShaderBuffer &  colors, ShaderBuffer &  indices, glm::mat4  MVP, unsigned int  mode = GL_TRIANGLES, ShaderTexture *  target = nullptr, Shader &  shader = colorShader  )

static

Definition at line 393 of file Shader.cpp.

Member Data Documentation

int Shader::programID

private

Definition at line 95 of file Shader.h.

std::vector<unsigned int> Shader::uniforms

private

Definition at line 96 of file Shader.h.

Shader Shader::textShader

staticprivate

Definition at line 98 of file Shader.h.

const char * Shader::textShaderVertex

staticprivate

Initial value:

= R"!?!(
#version 330 core

layout(location = 0) in vec2 vertexPosition_screen;
layout(location = 1) in vec2 vertexUV;

out vec2 UV;

uniform vec2 screen;

void main() {
    vec2 halfScreen = screen / 2;
    vec2 vertexPosition_homogenous = (vertexPosition_screen - halfScreen) / halfScreen;

    gl_Position = vec4(vertexPosition_homogenous.x, -vertexPosition_homogenous.y, 0, 1);
    UV = vertexUV;
}
)!?!"

Definition at line 99 of file Shader.h.

const char * Shader::textShaderFragment

staticprivate

Initial value:

= R"!?!(
#version 330 core

in vec2 UV;

layout(location = 0) out vec4 color;

uniform sampler2D textureSampler;
uniform vec4 colorVar;

void main() {
    color = texture(textureSampler, UV) * colorVar;
}
)!?!"

Definition at line 100 of file Shader.h.

Shader Shader::textureShader

staticprivate

Definition at line 102 of file Shader.h.

const char * Shader::textureShaderVertex

staticprivate

Initial value:

= R"!?!(
#version 330 core

layout(location = 0) in vec3 vertexPosition_modelspace;
layout(location = 1) in vec2 vertexUV;

out vec2 UV;

uniform mat4 MVP;

void main() {
    vec4 pos = MVP * vec4(vertexPosition_modelspace.x,
                          -vertexPosition_modelspace.y,
                          vertexPosition_modelspace.z,
                          1);
    gl_Position = vec4(-pos.x, pos.yzw);
    UV = vertexUV;
}
)!?!"

Definition at line 103 of file Shader.h.

const char * Shader::textureShaderFragment

staticprivate

Initial value:

= R"!?!(
#version 330 core

in vec2 UV;

layout(location = 0) out vec4 color;

uniform sampler2D textureSampler;

void main() {
    color = texture(textureSampler, UV);
}
)!?!"

Definition at line 104 of file Shader.h.

Shader Shader::colorShader

staticprivate

Definition at line 106 of file Shader.h.

const char * Shader::colorShaderVertex

staticprivate

Initial value:

= R"!?!(
#version 330 core

layout(location = 0) in vec3 vertexPosition_modelspace;
layout(location = 1) in vec3 vertexColor;

out vec3 color;

uniform mat4 MVP;

void main() {
    vec4 pos = MVP * vec4(vertexPosition_modelspace.x,
                          -vertexPosition_modelspace.y,
                          vertexPosition_modelspace.z,
                          1);
    gl_Position = vec4(-pos.x, pos.yzw);
    color = vertexColor;
}
)!?!"

Definition at line 107 of file Shader.h.

const char * Shader::colorShaderFragment

staticprivate

Initial value:

= R"!?!(
#version 330 core

in vec3 color;

layout(location = 0) out vec4 color_out;

void main() {
    color_out = vec4(color, 1);
}
)!?!"

Definition at line 108 of file Shader.h.

unsigned int Shader::vertexArrayID = 0

staticprivate

Definition at line 110 of file Shader.h.

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The documentation for this class was generated from the following files:

• include/system/Shader.h
• src/system/Shader.cpp