PostProcessing::PostProcessing(video::IVideoDriver* video_driver)
{
// Check if post-processing is supported on this hardware
m_supported = false;
if( irr_driver->isGLSL() )
{
m_supported = true;
}
//Check which texture dimensions are supported on this hardware
bool nonsquare = video_driver->queryFeature(video::EVDF_TEXTURE_NSQUARE);
bool nonpower = video_driver->queryFeature(video::EVDF_TEXTURE_NPOT);
if (!nonpower) {
Log::warn("PostProcessing",
"Only power of two textures are supported.");
}
if (!nonsquare) {
Log::warn("PostProcessing", "Only square textures are supported.");
}
// Initialization
if(m_supported)
{
// Render target
core::dimension2du opt = video_driver->getScreenSize()
.getOptimalSize(!nonpower, !nonsquare);
m_render_target =
video_driver->addRenderTargetTexture(opt, "postprocess");
if(!m_render_target)
{
Log::warn("PostProcessing", "Couldn't create the render target "
"for post-processing, disabling it.");
UserConfigParams::m_postprocess_enabled = false;
}
// Material and shaders
IGPUProgrammingServices* gpu =
video_driver->getGPUProgrammingServices();
s32 material_type = gpu->addHighLevelShaderMaterialFromFiles(
(file_manager->getShaderDir() + "motion_blur.vert").c_str(),
"main", video::EVST_VS_2_0,
(file_manager->getShaderDir() + "motion_blur.frag").c_str(),
"main", video::EPST_PS_2_0,
this, video::EMT_SOLID);
m_blur_material.MaterialType = (E_MATERIAL_TYPE)material_type;
m_blur_material.setTexture(0, m_render_target);
m_blur_material.Wireframe = false;
m_blur_material.Lighting = false;
m_blur_material.ZWriteEnable = false;
}
} // PostProcessing
/** Initialization */
void PostProcessing::init(video::IVideoDriver* video_driver)
{
// Check if post-processing is supported on this hardware
m_supported = false;
if( video_driver->queryFeature(video::EVDF_ARB_GLSL) &&
video_driver->queryFeature(video::EVDF_PIXEL_SHADER_2_0) &&
video_driver->queryFeature(video::EVDF_RENDER_TO_TARGET))
{
m_supported = true;
}
//Check which texture dimensions are supported on this hardware
bool nonsquare = video_driver->queryFeature(video::EVDF_TEXTURE_NSQUARE);
bool nonpower = video_driver->queryFeature(video::EVDF_TEXTURE_NPOT);
if (!nonpower) {
fprintf(stdout, "WARNING: Only power of two textures are supported.\n");
}
if (!nonsquare) {
fprintf(stdout, "WARNING: Only square textures are supported.\n");
}
// Initialization
if(m_supported)
{
// Render target
m_render_target = video_driver->addRenderTargetTexture(video_driver->getScreenSize().getOptimalSize(!nonpower, !nonsquare), "postprocess");
if(!m_render_target)
{
fprintf(stderr, "Couldn't create the render target for post-processing, disabling it\n");
UserConfigParams::m_postprocess_enabled = false;
}
// Material and shaders
IGPUProgrammingServices* gpu = video_driver->getGPUProgrammingServices();
s32 material_type = gpu->addHighLevelShaderMaterialFromFiles(
(file_manager->getDataDir() + "shaders/motion_blur.vert").c_str(), "main", video::EVST_VS_2_0,
(file_manager->getDataDir() + "shaders/motion_blur.frag").c_str(), "main", video::EPST_PS_2_0,
this, video::EMT_SOLID);
m_material.MaterialType = (E_MATERIAL_TYPE)material_type;
m_material.setTexture(0, m_render_target);
m_material.Wireframe = false;
m_material.Lighting = false;
m_material.ZWriteEnable = false;
}
}