bool ShaderGroup::create_optimized_osl_shader_group(
OSL::ShadingSystem& shading_system,
IAbortSwitch* abort_switch)
{
if (is_valid())
return true;
RENDERER_LOG_DEBUG("setting up shader group %s...", get_name());
try
{
OSL::ShaderGroupRef shader_group_ref = shading_system.ShaderGroupBegin(get_name());
if (shader_group_ref.get() == 0)
{
RENDERER_LOG_ERROR("failed to setup shader group %s: ShaderGroupBegin() call failed.", get_name());
return false;
}
for (each<ShaderContainer> i = impl->m_shaders; i; ++i)
{
if (is_aborted(abort_switch))
{
shading_system.ShaderGroupEnd();
return true;
}
if (!i->add(shading_system))
return false;
}
for (each<ShaderConnectionContainer> i = impl->m_connections; i; ++i)
{
if (is_aborted(abort_switch))
{
shading_system.ShaderGroupEnd();
return true;
}
if (!i->add(shading_system))
return false;
}
if (!shading_system.ShaderGroupEnd())
{
RENDERER_LOG_ERROR("failed to setup shader group %s: ShaderGroupEnd() call failed.", get_name());
return false;
}
impl->m_shader_group_ref = shader_group_ref;
get_shadergroup_closures_info(shading_system);
report_has_closure("emission", m_has_emission);
report_has_closure("transparent", m_has_transparency);
report_has_closure("subsurface", m_has_subsurface);
report_has_closure("holdout", m_has_holdout);
report_has_closure("debug", m_has_debug);
get_shadergroup_globals_info(shading_system);
report_uses_global("dPdtime", m_uses_dPdtime);
return true;
}
catch (const exception& e)
{
RENDERER_LOG_ERROR("failed to setup shader group %s: %s.", get_name(), e.what());
return false;
}
}
bool ShaderGroup::create_optimized_osl_shader_group(
OSLShadingSystem& shading_system,
const ShaderCompiler* shader_compiler,
IAbortSwitch* abort_switch)
{
if (is_valid())
return true;
RENDERER_LOG_DEBUG("setting up shader group \"%s\"...", get_path().c_str());
if (!compile_source_shaders(shader_compiler))
return false;
try
{
OSL::ShaderGroupRef shader_group_ref = shading_system.ShaderGroupBegin(get_name());
if (shader_group_ref.get() == nullptr)
{
RENDERER_LOG_ERROR("failed to setup shader group \"%s\": ShaderGroupBegin() call failed.", get_path().c_str());
return false;
}
for (Shader& shader : impl->m_shaders)
{
if (is_aborted(abort_switch))
{
shading_system.ShaderGroupEnd();
return true;
}
if (!shader.add(shading_system))
return false;
}
for (ShaderConnection& connection : impl->m_connections)
{
if (is_aborted(abort_switch))
{
shading_system.ShaderGroupEnd();
return true;
}
if (!connection.add(shading_system))
return false;
}
if (!shading_system.ShaderGroupEnd())
{
RENDERER_LOG_ERROR("failed to setup shader group \"%s\": ShaderGroupEnd() call failed.", get_path().c_str());
return false;
}
impl->m_shader_group_ref = shader_group_ref;
get_shadergroup_closures_info(shading_system);
report_has_closure("bsdf", HasBSDFs);
report_has_closure(g_emission_str.c_str(), HasEmission);
report_has_closure(g_transparent_str.c_str(), HasTransparency);
report_has_closure(g_subsurface_str.c_str(), HasSubsurface);
report_has_closure(g_debug_str.c_str(), HasDebug);
report_has_closure("NPR", HasNPR);
report_has_closure(g_matte_str.c_str(), HasMatte);
get_shadergroup_globals_info(shading_system);
report_uses_global("dPdtime", UsesdPdTime);
return true;
}
catch (const exception& e)
{
RENDERER_LOG_ERROR("failed to setup shader group \"%s\": %s.", get_path().c_str(), e.what());
return false;
}
}
