bool GLVideo::SetVertexShader(ShaderPtr pShader)
{
if (!pShader)
{
if (m_currentVS != m_defaultVS)
m_currentVS->UnbindShader();
m_currentVS = m_defaultVS;
}
else
{
if (pShader->GetShaderFocus() != Shader::SF_VERTEX)
{
ShowMessage("The shader set is not a vertex program", GSMT_ERROR);
return false;
}
else
{
m_currentVS->UnbindShader();
m_currentVS = pShader;
}
}
const math::Vector2 screenSize = GetScreenSizeF();
UpdateViewMatrix(screenSize, m_ortho, m_zNear, m_zFar, (m_currentTarget.lock()) ? true : false);
UpdateShaderViewData(m_currentVS, screenSize, m_ortho);
return true;
}
bool GLVideo::SetPixelShader(ShaderPtr pShader)
{
if (pShader)
{
if (pShader->GetShaderFocus() != Shader::SF_PIXEL)
{
ShowMessage("The shader set is not a fragment program", GSMT_ERROR);
return false;
}
}
if (m_currentPS != pShader && m_currentPS)
m_currentPS->UnbindShader();
m_currentPS = pShader;
return true;
}