ForwardShader::ForwardShader (const std::string& vertShader, const std::string& fragShader)
: UberShader(vertShader, fragShader)
{
b_animatedGeometry = glGetUniformLocation(m_program, "b_animatedGeometry");
m_attributeLerp = glGetUniformLocation(m_program, "attributeLerp");
m_vPosition0 = glGetAttribLocation(m_program, "vPosition0");
m_vNormal0 = glGetAttribLocation(m_program, "vNormal0");
m_vTexCoord0 = glGetAttribLocation(m_program, "vTexCoord0");
m_vPosition1 = glGetAttribLocation(m_program, "vPosition1");
m_vNormal1 = glGetAttribLocation(m_program, "vNormal1");
m_vTexCoord1 = glGetAttribLocation(m_program, "vTexCoord1");
m_projectionMatrix = glGetUniformLocation(m_program, "projectionMatrix");
m_modelviewMatrix = glGetUniformLocation(m_program, "modelviewMatrix");
b_useDiffuseTexture = glGetUniformLocation(m_program, "b_useDiffuseTexture");
b_useEnvironmentMap = glGetUniformLocation(m_program, "b_useEnvironmentMap");
b_useNormalMap = glGetUniformLocation(m_program, "b_useNormalMap");
m_eyePosition = glGetUniformLocation(m_program, "eyePosition");
m_lightDirection = glGetUniformLocation(m_program, "lightDirection");
m_lightCombinedAmbient = glGetUniformLocation(m_program, "lightCombinedAmbient");
m_lightCombinedDiffuse = glGetUniformLocation(m_program, "lightCombinedDiffuse");
m_lightCombinedSpecular = glGetUniformLocation(m_program, "lightCombinedSpecular");
m_materialSpecularExponent = glGetUniformLocation(m_program, "materialSpecularExponent");
m_materialGloss = glGetUniformLocation(m_program, "materialGloss");
m_materialOpacity = glGetUniformLocation(m_program, "materialOpacity");
b_usePointLight = glGetUniformLocation(m_program, "b_usePointLight");
m_pointLightPosition = glGetUniformLocation(m_program, "pointLightPosition");
m_pointLightCombinedAmbient = glGetUniformLocation(m_program, "pointLightCombinedAmbient");
m_pointLightCombinedDiffuse = glGetUniformLocation(m_program, "pointLightCombinedDiffuse");
m_pointLightCombinedSpecular = glGetUniformLocation(m_program, "pointLightCombinedSpecular");
m_pointLightRange = glGetUniformLocation(m_program, "pointLightRange");
m_pointLightAttenuationMultiplier = glGetUniformLocation(m_program, "pointLightAttenuationMultiplier");
// bind samplers to texture units
glUniform1i(glGetUniformLocation(m_program, "diffuseTexture"), e_TextureChannelDiffuse - e_TextureChannelFirst);
glUniform1i(glGetUniformLocation(m_program, "environmentMap"), e_TextureChannelEnvMap - e_TextureChannelFirst);
glUniform1i(glGetUniformLocation(m_program, "normalMap"), e_TextureChannelNormalMap - e_TextureChannelFirst);
ForwardShaderState state;
SetShaderState(&state);
}
void nuiDrawContext::SetShader(nuiShaderProgram* pShader, nuiShaderState* pShaderState)
{
nuiShaderProgram* pOld = mCurrentState.mpShader;
if (pShader == pOld)
return;
mCurrentState.mpShader = pShader ;
if (pShader)
{
//pShader->CheckValid();
pShader->Acquire();
if (!pShaderState)
{
pShaderState = pShader->GetCurrentState();
}
SetShaderState(pShaderState);
}
if (pOld)
pOld->Release();
mStateChanges++;
}
