metaforce/Runtime/Graphics/Shaders/CModelShaders.cpp

113 lines
3.5 KiB
C++

#include "CModelShaders.hpp"
#include "Graphics/CLight.hpp"
namespace urde
{
std::experimental::optional<CModelShaders> CModelShaders::g_ModelShaders;
void CModelShaders::LightingUniform::ActivateLights(const std::vector<CLight>& lts)
{
ambient = zeus::CColor::skClear;
size_t curLight = 0;
for (const CLight& light : lts)
{
switch (light.GetType())
{
case ELightType::LocalAmbient:
ambient += light.GetColor();
break;
case ELightType::Point:
case ELightType::Spot:
case ELightType::Custom:
case ELightType::Directional:
{
if (curLight >= URDE_MAX_LIGHTS)
continue;
CModelShaders::Light& lightOut = lights[curLight++];
lightOut.pos = CGraphics::g_CameraMatrix * light.GetPosition();
lightOut.dir = CGraphics::g_CameraMatrix.basis * light.GetDirection();
lightOut.dir.normalize();
lightOut.color = light.GetColor();
lightOut.linAtt[0] = light.GetAttenuationConstant();
lightOut.linAtt[1] = light.GetAttenuationLinear();
lightOut.linAtt[2] = light.GetAttenuationQuadratic();
lightOut.angAtt[0] = light.GetAngleAttenuationConstant();
lightOut.angAtt[1] = light.GetAngleAttenuationLinear();
lightOut.angAtt[2] = light.GetAngleAttenuationQuadratic();
if (light.GetType() == ELightType::Directional)
lightOut.pos = (-lightOut.dir) * 1048576.f;
break;
}
}
}
for (; curLight<URDE_MAX_LIGHTS ; ++curLight)
{
CModelShaders::Light& lightOut = lights[curLight];
lightOut.color = zeus::CColor::skClear;
lightOut.linAtt[0] = 1.f;
lightOut.angAtt[0] = 1.f;
}
}
hecl::Runtime::ShaderCacheExtensions
CModelShaders::GetShaderExtensions(boo::IGraphicsDataFactory::Platform plat)
{
switch (plat)
{
#if BOO_HAS_GL
case boo::IGraphicsDataFactory::Platform::OpenGL:
case boo::IGraphicsDataFactory::Platform::Vulkan:
return GetShaderExtensionsGLSL(plat);
#endif
#if _WIN32
case boo::IGraphicsDataFactory::Platform::D3D11:
case boo::IGraphicsDataFactory::Platform::D3D12:
return GetShaderExtensionsHLSL(plat);
#endif
#if BOO_HAS_METAL
case boo::IGraphicsDataFactory::Platform::Metal:
return GetShaderExtensionsMetal(plat);
#endif
default:
return {boo::IGraphicsDataFactory::Platform::Null};
}
}
const hecl::Backend::TextureInfo CModelShaders::ThermalTextures[] =
{
{hecl::Backend::TexGenSrc::Normal, 7, 0, 7, true}
};
const hecl::Backend::TextureInfo CModelShaders::BallFadeTextures[] =
{
{hecl::Backend::TexGenSrc::Position, 0, 0, 0, false}, // ID tex
{hecl::Backend::TexGenSrc::Position, 1, 0, 0, false}, // Sphere ramp
{hecl::Backend::TexGenSrc::Position, 2, 0, 1, false} // TXTR_BallFade
};
const hecl::Backend::TextureInfo CModelShaders::WorldShadowTextures[] =
{
{hecl::Backend::TexGenSrc::Position, 7, 0, 7, false} // Shadow tex
};
CModelShaders::CModelShaders(const hecl::Runtime::FileStoreManager& storeMgr,
boo::IGraphicsDataFactory* gfxFactory)
: m_shaderCache(storeMgr, gfxFactory, GetShaderExtensions(gfxFactory->platform())) {}
void CModelShaders::Initialize(const hecl::Runtime::FileStoreManager& storeMgr,
boo::IGraphicsDataFactory* gfxFactory)
{
g_ModelShaders.emplace(storeMgr, gfxFactory);
}
void CModelShaders::Shutdown()
{
g_ModelShaders = std::experimental::nullopt;
}
}