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OpenGLRenderer Class Reference

#include <OpenGLRenderer.h>

Inherits Renderer.

Inheritance diagram for OpenGLRenderer:

Inheritance graph
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List of all members.

Public Member Functions

 OpenGLRenderer ()
void init ()
void setDefaults ()
void changeDepthFunc (const int depthFunc)
void changeBlending (const int src, const int dest, const int blendMode)
void changeMask (const int mask)
void changeTextureUnit (const int tex)
void changeTexture (const TextureID textureID)
void assignNamedTextures ()
void changeShader (const ShaderID shader)
void changeShaderConstant1f (const char *name, const float constant)
void changeShaderConstant2f (const char *name, const Vec2 &constant)
void changeShaderConstant3f (const char *name, const Vec3 &constant)
void changeShaderConstant4f (const char *name, const Vec4 &constant)
void changeFragmentShader (const ShaderID shader)
void changeVertexShader (const ShaderID shader)

Protected Member Functions

bool createTexture (Texture &texture)
void removeTexture (Texture &texture)
bool createShader (Shader &shader, const char *vertexShaderText, const char *fragmentShaderText)
void removeShader (Shader &shader)
void createFragmentShader (FragmentShader &fragmentShader)
void removeFragmentShader (FragmentShader &fragmentShader)
void uploadFragmentShader (FragmentShader &fragmentShader)
void createVertexShader (VertexShader &vertexShader)
void removeVertexShader (VertexShader &vertexShader)
void uploadVertexShader (VertexShader &vertexShader)

Static Protected Attributes

static GLenum targets [] = { GL_TEXTURE_2D, GL_TEXTURE_CUBE_MAP_ARB}

Detailed Description

OpenGLRenderer.h

Author: Petter Alstermark, petter@alstermark.com

Definition at line 13 of file OpenGLRenderer.h.

Constructor & Destructor Documentation

OpenGLRenderer::OpenGLRenderer (   ) 
 

Definition at line 40 of file OpenGLRenderer.cpp.

References init().

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Member Function Documentation

void OpenGLRenderer::assignNamedTextures (   )  [virtual]
 

Implements Renderer.

Definition at line 224 of file OpenGLRenderer.cpp.

References Renderer::currentShader, glGetUniformLocationARB, glUniform1iARB, Renderer::nNamedTextures, Renderer::selectedTextureNames, SHADER_NONE, and Renderer::shaders.

void OpenGLRenderer::changeBlending (  const int  src,
const int  dest,
const int  blendMode
) 
 

Definition at line 94 of file OpenGLRenderer.cpp.

References BLENDING_NONE, Renderer::currentBlendDest, Renderer::currentBlendMode, Renderer::currentBlendSrc, and glBlendEquationEXT.

void OpenGLRenderer::changeDepthFunc (  const int  depthFunc  )  [virtual]
 

Implements Renderer.

Definition at line 77 of file OpenGLRenderer.cpp.

References Renderer::currentDepthFunc, and DEPTH_NONE.

void OpenGLRenderer::changeFragmentShader (  const ShaderID  shader  )  [virtual]
 

else if (fragmentShaders[shader].type == GL_FRAGMENT_SHADER_ATI) { glBindFragmentShaderATI(fragmentShaders[shader].shaderID); } else if (fragmentShaders[shader].type == GL_REGISTER_COMBINERS_NV) { glCallList(fragmentShaders[shader].shaderID);

Implements Renderer.

Definition at line 424 of file OpenGLRenderer.cpp.

References Renderer::currentFragmentShader, Renderer::fragmentShaders, GL_FRAGMENT_PROGRAM_ARB, glBindProgramARB, and SHADER_NONE.

void OpenGLRenderer::changeMask (  const int  mask  )  [virtual]
 

Implements Renderer.

Definition at line 116 of file OpenGLRenderer.cpp.

References ALPHA, BLUE, COLOR, Renderer::currentMask, DEPTH, GREEN, and RED.

void OpenGLRenderer::changeShader (  const ShaderID  shader  )  [virtual]
 

Implements Renderer.

Definition at line 305 of file OpenGLRenderer.cpp.

References Renderer::currentShader, glUseProgramObjectARB, SHADER_NONE, and Renderer::shaders.

void OpenGLRenderer::changeShaderConstant1f (  const char *  name,
const float  constant
)  [virtual]
 

Implements Renderer.

Definition at line 319 of file OpenGLRenderer.cpp.

References Renderer::currentShader, glGetUniformLocationARB, glUniform1fARB, SHADER_NONE, and Renderer::shaders.

void OpenGLRenderer::changeShaderConstant2f (  const char *  name,
const Vec2 &  constant
)  [virtual]
 

Implements Renderer.

Definition at line 329 of file OpenGLRenderer.cpp.

References Renderer::currentShader, glGetUniformLocationARB, glUniform2fARB, SHADER_NONE, Renderer::shaders, Vec2::x, and Vec2::y.

void OpenGLRenderer::changeShaderConstant3f (  const char *  name,
const Vec3 &  constant
)  [virtual]
 

Implements Renderer.

Definition at line 340 of file OpenGLRenderer.cpp.

References Renderer::currentShader, glGetUniformLocationARB, glUniform3fARB, SHADER_NONE, Renderer::shaders, Vec3::x, Vec3::y, and Vec3::z.

void OpenGLRenderer::changeShaderConstant4f (  const char *  name,
const Vec4 &  constant
)  [virtual]
 

Implements Renderer.

Definition at line 351 of file OpenGLRenderer.cpp.

References Renderer::currentShader, glGetUniformLocationARB, glUniform4fARB, SHADER_NONE, Renderer::shaders, Vec4::w, Vec4::x, Vec4::y, and Vec4::z.

void OpenGLRenderer::changeTexture (  const TextureID  textureID  )  [virtual]
 

if (textureID == TEXTURE_NONE) { glDisable(GL_TEXTURE_2D); } else { glEnable(GL_TEXTURE_2D); glBindTexture(GL_TEXTURE_2D, textures[textureID].textureID);

Implements Renderer.

Definition at line 187 of file OpenGLRenderer.cpp.

References Renderer::currentTextures, Renderer::currentTextureUnit, targets, TEXTURE_NONE, and Renderer::textures.

void OpenGLRenderer::changeTextureUnit (  const int  tex  )  [virtual]
 

Implements Renderer.

Definition at line 179 of file OpenGLRenderer.cpp.

References Renderer::currentTextureUnit, GL_TEXTURE0_ARB, and glActiveTextureARB.

void OpenGLRenderer::changeVertexShader (  const ShaderID  shader  )  [virtual]
 

Implements Renderer.

Definition at line 456 of file OpenGLRenderer.cpp.

References Renderer::currentVertexShader, GL_VERTEX_PROGRAM_ARB, glBindProgramARB, SHADER_NONE, and Renderer::vertexShaders.

void OpenGLRenderer::createFragmentShader (  FragmentShader &  fragmentShader  )  [protected, virtual]
 

else

Implements Renderer.

Definition at line 363 of file OpenGLRenderer.cpp.

References GL_FRAGMENT_PROGRAM_ARB, glBindProgramARB, glGenProgramsARB, and FragmentShader::shaderID.

bool OpenGLRenderer::createShader (  Shader &  shader,
const char *  vertexShaderText,
const char *  fragmentShaderText
)  [protected, virtual]
 

Implements Renderer.

Definition at line 236 of file OpenGLRenderer.cpp.

References Shader::fragmentShader, GL_FRAGMENT_SHADER_ARB, GL_OBJECT_COMPILE_STATUS_ARB, GL_OBJECT_LINK_STATUS_ARB, GL_VERTEX_SHADER_ARB, glAttachObjectARB, glCompileShaderARB, glCreateProgramObjectARB, glCreateShaderObjectARB, glGetInfoLogARB, glGetObjectParameterivARB, glLinkProgramARB, glShaderSourceARB, LOG_ERROR, Shader::programObj, removeShader(), and Shader::vertexShader.

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bool OpenGLRenderer::createTexture (  Texture &  texture  )  [protected, virtual]
 

Implements Renderer.

Definition at line 131 of file OpenGLRenderer.cpp.

References Texture::clampS, Texture::clampT, Image::getData(), Image::getFormat(), Image::getHeight(), Image::getWidth(), GL_CLAMP_TO_EDGE_EXT, GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB, Texture::images, targets, TEXTURE_2D, TEXTURE_CUBEMAP, Texture::textureID, and Texture::textureKind.

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void OpenGLRenderer::createVertexShader (  VertexShader &  vertexShader  )  [protected, virtual]
 

Implements Renderer.

Definition at line 402 of file OpenGLRenderer.cpp.

References GL_VERTEX_PROGRAM_ARB, glBindProgramARB, glGenProgramsARB, and VertexShader::shaderID.

void OpenGLRenderer::init (   ) 
 

Definition at line 47 of file OpenGLRenderer.cpp.

References GL_ARB_multitexture_supported, GL_MAX_TEXTURE_UNITS_ARB, MAX_TEXTURES, Renderer::maxTextures, Renderer::resetToDefaults(), and setDefaults().

Referenced by OpenGLRenderer().

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void OpenGLRenderer::removeFragmentShader (  FragmentShader &  fragmentShader  )  [protected, virtual]
 

Implements Renderer.

Definition at line 380 of file OpenGLRenderer.cpp.

References GL_FRAGMENT_PROGRAM_ARB, glDeleteProgramsARB, FragmentShader::shaderID, and FragmentShader::type.

void OpenGLRenderer::removeShader (  Shader &  shader  )  [protected, virtual]
 

Implements Renderer.

Definition at line 296 of file OpenGLRenderer.cpp.

References Shader::fragmentShader, glDeleteObjectARB, Shader::programObj, and Shader::vertexShader.

Referenced by createShader().

void OpenGLRenderer::removeTexture (  Texture &  texture  )  [protected, virtual]
 

Implements Renderer.

Definition at line 172 of file OpenGLRenderer.cpp.

References Texture::textureID.

void OpenGLRenderer::removeVertexShader (  VertexShader &  vertexShader  )  [protected, virtual]
 

Implements Renderer.

Definition at line 410 of file OpenGLRenderer.cpp.

References glDeleteProgramsARB, and VertexShader::shaderID.

void OpenGLRenderer::setDefaults (   )  [virtual]
 

Implements Renderer.

Definition at line 63 of file OpenGLRenderer.cpp.

Referenced by init().

void OpenGLRenderer::uploadFragmentShader (  FragmentShader &  fragmentShader  )  [protected, virtual]
 

Implements Renderer.

Definition at line 395 of file OpenGLRenderer.cpp.

References GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, glProgramStringARB, FragmentShader::length, and FragmentShader::program.

void OpenGLRenderer::uploadVertexShader (  VertexShader &  vertexShader  )  [protected, virtual]
 

Implements Renderer.

Definition at line 417 of file OpenGLRenderer.cpp.

References GL_PROGRAM_FORMAT_ASCII_ARB, GL_VERTEX_PROGRAM_ARB, glProgramStringARB, VertexShader::length, and VertexShader::program.

Member Data Documentation

GLenum OpenGLRenderer::targets = { GL_TEXTURE_2D, GL_TEXTURE_CUBE_MAP_ARB} [static, protected]
 

Definition at line 38 of file OpenGLRenderer.cpp.

Referenced by changeTexture(), and createTexture().

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