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Added a shader program manager.

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This commit is contained in:
spartanj
2010-06-26 21:54:02 -03:00
parent f6c1ba01de
commit dc93fa9638
10 changed files with 713 additions and 70 deletions
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68
src/graphics/cshaderprogram.cpp
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@@ -1,15 +1,22 @@
#include "cshaderprogram.hpp"
#include "../window/cengine.hpp"
#include "cshaderprogrammanager.hpp"
using namespace EE::Window;
namespace EE { namespace Graphics {
cShaderProgram::cShaderProgram() {
cShaderProgram::cShaderProgram( const std::string& name ) :
mGLId(0)
{
AddToManager( name );
Init();
}
cShaderProgram::cShaderProgram( const std::vector<cShader*>& Shaders ) {
cShaderProgram::cShaderProgram( const std::vector<cShader*>& Shaders, const std::string& name ) :
mGLId(0)
{
AddToManager( name );
Init();
AddShaders( Shaders );
@@ -17,8 +24,10 @@ cShaderProgram::cShaderProgram( const std::vector<cShader*>& Shaders ) {
Link();
}
cShaderProgram::cShaderProgram( const std::string& VertexShaderFile, const std::string& FragmentShaderFile ) {
cShaderProgram::cShaderProgram( const std::string& VertexShaderFile, const std::string& FragmentShaderFile, const std::string& name ) :
mGLId(0)
{
AddToManager( name );
Init();
cVertexShader vs( VertexShaderFile );
@@ -39,10 +48,22 @@ cShaderProgram::~cShaderProgram() {
mUniformLocations.clear();
mAttributeLocations.clear();
RemoveFromManager();
}
void cShaderProgram::AddToManager( const std::string& name ) {
Name( name );
cShaderProgramManager::Instance()->Add( this );
}
void cShaderProgram::RemoveFromManager() {
cShaderProgramManager::Instance()->Remove( this );
}
void cShaderProgram::Init() {
if ( cEngine::instance()->ShadersSupported() ) {
if ( cEngine::instance()->ShadersSupported() && 0 == GetId() ) {
mGLId = glCreateProgram();
mValid = false;
mUniformLocations.clear();
@@ -50,12 +71,32 @@ void cShaderProgram::Init() {
}
}
void cShaderProgram::Reload() {
mGLId = 0;
Init();
std::vector<cShader*> tmpShader = mShaders;
mShaders.clear();
for ( eeUint i = 0; i < tmpShader.size(); i++ )
AddShader( tmpShader[i] );
Link();
}
void cShaderProgram::AddShader( cShader* Shader ) {
if ( !Shader->IsValid() ) {
cLog::instance()->Write( "cShaderProgram::AddShader(): Cannot add invalid shader" );
return;
}
glAttachShader( GetId(), Shader->GetId() );
if ( 0 != GetId() ) {
glAttachShader( GetId(), Shader->GetId() );
mShaders.push_back( Shader );
}
}
void cShaderProgram::AddShaders( const std::vector<cShader*>& Shaders ) {
@@ -82,6 +123,7 @@ bool cShaderProgram::Link() {
mUniformLocations.clear();
mAttributeLocations.clear();
}
return mValid;
}
@@ -158,4 +200,18 @@ bool cShaderProgram::SetUniform( const std::string& Name, Int32 Value ) {
return ( Location >= 0 );
}
const std::string& cShaderProgram::Name() const {
return mName;
}
void cShaderProgram::Name( const std::string& name ) {
mName = name;
Uint32 NameCount = cShaderProgramManager::instance()->ExistsName( mName );
if ( 0 != NameCount || 0 == name.size() ) {
Name( name + intToStr( NameCount + 1 ) );
}
}
}}