bool Material::on_frame_begin(
const Project& project,
const Assembly& assembly)
{
m_surface_shader = get_uncached_surface_shader();
m_bsdf = get_uncached_bsdf();
m_edf = get_uncached_edf();
m_alpha_map = get_uncached_alpha_map();
const Source* displacement_source = m_inputs.source("displacement_map");
if (displacement_source)
{
if (dynamic_cast<const TextureSource*>(displacement_source) == 0)
{
RENDERER_LOG_ERROR(
"while defining material \"%s\": a texture instance must be bound "
"to the \"displacement_map\" input; disabling displacement map for this material.",
get_name());
}
else
{
const TextureSource* displacement_map = static_cast<const TextureSource*>(displacement_source);
const Texture& texture = displacement_map->get_texture_instance().get_texture();
if (texture.get_color_space() != ColorSpaceLinearRGB)
{
RENDERER_LOG_WARNING(
"while defining material \"%s\": color space for displacement map \"%s\" "
"should be \"%s\" but is \"%s\" instead; expect artifacts and/or slowdowns.",
get_name(),
texture.get_name(),
color_space_name(ColorSpaceLinearRGB),
color_space_name(texture.get_color_space()));
}
// Retrieve the displacement method and create the normal modifier.
const string displacement_method =
m_params.get_required<string>("displacement_method", "bump");
if (displacement_method == "bump")
{
const double amplitude = m_params.get_optional<double>("bump_amplitude", 1.0);
m_normal_modifier = new BumpMappingModifier(displacement_map, 2.0, amplitude);
}
else if (displacement_method == "normal")
m_normal_modifier = new NormalMappingModifier(displacement_map);
else
{
RENDERER_LOG_ERROR(
"while defining material \"%s\": invalid value \"%s\" for parameter "
"\"displacement_method\"; disabling displacement map for this material.",
get_name(),
displacement_method.c_str());
}
}
}
return true;
}
bool Material::on_frame_begin(
const Project& project,
const Assembly& assembly,
AbortSwitch* abort_switch)
{
m_shade_alpha_cutouts = m_params.get_optional<bool>("shade_alpha_cutouts", false);
m_surface_shader = get_uncached_surface_shader();
m_alpha_map = get_uncached_alpha_map();
return true;
}
bool Material::on_frame_begin(
const Project& project,
const Assembly& assembly,
IAbortSwitch* abort_switch)
{
assert(!m_has_render_data);
m_render_data.m_surface_shader = get_uncached_surface_shader();
if (m_render_data.m_surface_shader == 0)
m_render_data.m_surface_shader = project.get_scene()->get_default_surface_shader();
m_render_data.m_bsdf = 0;
m_render_data.m_bssrdf = 0;
m_render_data.m_edf = 0;
m_render_data.m_alpha_map = get_uncached_alpha_map();
#ifdef APPLESEED_WITH_OSL
m_render_data.m_shader_group = 0;
#endif
m_render_data.m_basis_modifier = 0;
m_has_render_data = true;
return true;
}
bool Material::on_frame_begin(
const Project& project,
const BaseGroup* parent,
OnFrameBeginRecorder& recorder,
IAbortSwitch* abort_switch)
{
assert(!m_has_render_data);
if (!ConnectableEntity::on_frame_begin(project, parent, recorder, abort_switch))
return false;
m_render_data.m_surface_shader = get_uncached_surface_shader();
if (m_render_data.m_surface_shader == 0)
m_render_data.m_surface_shader = project.get_scene()->get_default_surface_shader();
m_render_data.m_bsdf = 0;
m_render_data.m_bssrdf = 0;
m_render_data.m_edf = 0;
m_render_data.m_alpha_map = get_uncached_alpha_map();
m_render_data.m_shader_group = 0;
m_render_data.m_basis_modifier = 0;
m_has_render_data = true;
return true;
}
