Beatmup::GL::RenderingProgram Class Reference

GLSL program to render images Makes use of default vertex attributes to pass the texture coordinates and the image position to the GPU. More...

#include <program.h>

Inheritance diagram for Beatmup::GL::RenderingProgram:

Public Member Functions
	RenderingProgram (const GraphicPipeline &gpu, const FragmentShader &)
	RenderingProgram (const GraphicPipeline &gpu, const VertexShader &, const FragmentShader &)
void	link (const GraphicPipeline &gpu, const FragmentShader &)
void	blend (bool onScreen)
void	blend ()
Public Member Functions inherited from Beatmup::GL::Program
	Program (const GraphicPipeline &gpu)
	Program (const GraphicPipeline &gpu, const VertexShader &, const FragmentShader &)
void	link (const VertexShader &, const FragmentShader &)
Public Member Functions inherited from Beatmup::GL::AbstractProgram
	AbstractProgram (const GraphicPipeline &gpu)
	~AbstractProgram ()
void	enable (const GraphicPipeline &gpu)
Chunk *	getBinary () const
void	loadBinary (const Chunk &binary)
handle_t	findUniformLocation (const char *name)
	Retrieves uniform variable location by its name. More...
handle_t	findAttribLocation (const char *name)
	Retrieves attribute location by its name. More...
handle_t	getUniformLocation (const std::string &name)
	Retrieves uniform variable location by its name. More...
handle_t	getAttribLocation (const std::string &name)
	Retrieves attribute location by its name. More...
void	setInteger (const std::string &name, const int value, bool safe=false)
	Assigns a value to a specific integer variable in the program. More...
void	setUnsignedInteger (const std::string &name, const unsigned int value, bool safe=false)
void	setFloat (const std::string &name, const float value, bool safe=false)
	Assigns a value to a specific floating point variable in the program. More...
void	setVector2 (const std::string &name, const float x, const float y)
void	setVector3 (const std::string &name, const float x, const float y, const float z)
void	setVector4 (const std::string &name, const float x, const float y, const float z, const float w)
void	setVector4 (const std::string &name, const color4i &color, const float outRange=1.0f)
void	setMatrix2 (const std::string &name, const Matrix2 &mat)
void	setMatrix3 (const std::string &name, const Matrix2 &mat, const Point &pos)
void	setMatrix3 (const std::string &name, const AffineMapping &mapping)
void	setIntegerArray (const std::string &name, const int *values, const int length)
void	setIntegerArray (const std::string &name, const int firstValue, const int length)
void	setFloatArray (const std::string &name, const float *values, const int length)
void	setVec2Array (const std::string &name, const float *xy, const int length)
void	setVec4Array (const std::string &name, const float *xyzw, const int length)
void	bindSampler (GraphicPipeline &gpu, GL::TextureHandler &image, const char *uniformId, TextureParam param)
void	bindImage (GraphicPipeline &gpu, GL::TextureHandler &image, const char *uniformId, bool read, bool write)
void	bindAtomicCounter (GraphicPipeline &gpu, AtomicCounter &counter, int unit)
Public Member Functions inherited from Beatmup::GL::RecycleBin::Item
	Item ()
virtual	~Item ()

Additional Inherited Members
Protected Member Functions inherited from Beatmup::GL::AbstractProgram
handle_t	getHandle () const
void	assertLinked () const
void	clearCaches ()

Detailed Description

GLSL program to render images Makes use of default vertex attributes to pass the texture coordinates and the image position to the GPU.

Definition at line 240 of file program.h.

Constructor & Destructor Documentation

RenderingProgram() [1/2]

RenderingProgram::RenderingProgram	(	const GraphicPipeline &	gpu,
		const FragmentShader &	fragmentShader
	)

Definition at line 522 of file program.cpp.

                                                                                                  :
    RenderingProgram(gpu, gpu.getDefaultVertexShader(), fragmentShader)
{}

RenderingProgram() [2/2]

RenderingProgram::RenderingProgram	(	const GraphicPipeline &	gpu,
		const VertexShader &	vertexShader,
		const FragmentShader &	fragmentShader
	)

Definition at line 527 of file program.cpp.

                                                                                                                                    :
    Program(gpu)
{
    glBindAttribLocation(getHandle(), GraphicPipeline::ATTRIB_TEXTURE_COORD, RenderingPrograms::TEXTURE_COORD_ATTRIB_NAME);
    glBindAttribLocation(getHandle(), GraphicPipeline::ATTRIB_VERTEX_COORD,  RenderingPrograms::VERTEX_COORD_ATTRIB_NAME);
 
    // link
    Program::link(vertexShader, fragmentShader);
 
    // setting common stuff
    enable(gpu);
    setMatrix3(RenderingPrograms::MODELVIEW_MATRIX_ID, AffineMapping::IDENTITY);
    setInteger(RenderingPrograms::VERTICAL_FLIP_ID, 1);
}

Member Function Documentation

link()

void RenderingProgram::link	(	const GraphicPipeline &	gpu,
		const FragmentShader &	fragmentShader
	)

Definition at line 543 of file program.cpp.

                                                                                            {
    Program::link(gpu.getDefaultVertexShader(), fragmentShader);
}

blend() [1/2]

void RenderingProgram::blend

(

bool

onScreen

)

Definition at line 548 of file program.cpp.

                                          {
    setInteger(RenderingPrograms::VERTICAL_FLIP_ID, onScreen ? 0 : 1);
    blend();
}

blend() [2/2]

void RenderingProgram::blend

(

)

Definition at line 554 of file program.cpp.

                             {
    glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
}

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

• core/gpu/program.h
• core/gpu/program.cpp