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Implement GX lighting API (need to update shader generation)

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This commit is contained in:
Phillip Stephens
2022-05-10 01:20:09 -07:00
parent 3cb38cc94c
commit 17136fdfb9
5 changed files with 357 additions and 5 deletions
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56
Runtime/Graphics/CGraphics.cpp
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@@ -1,7 +1,6 @@
#include "Runtime/Graphics/CGraphics.hpp"
#include "Runtime/CTimeProvider.hpp"
#include "Runtime/Graphics/CLight.hpp"
#include "Runtime/Graphics/CLineRenderer.hpp"
#include "Runtime/Graphics/CTexture.hpp"
#include "Runtime/Graphics/Shaders/CTextSupportShader.hpp"
@@ -19,6 +18,8 @@ u32 CGraphics::g_FlippingState;
bool CGraphics::g_LastFrameUsedAbove = false;
bool CGraphics::g_InterruptLastFrameUsedAbove = false;
GX::LightMask CGraphics::g_LightActive{};
std::array<GX::LightObj, GX::MaxLights> CGraphics::g_LightObjs;
std::array<ELightType, GX::MaxLights> CGraphics::g_LightTypes;
zeus::CTransform CGraphics::g_GXModelView;
zeus::CTransform CGraphics::g_GXModelViewInvXpose;
zeus::CTransform CGraphics::g_GXModelMatrix = zeus::CTransform();
@@ -80,6 +81,45 @@ void CGraphics::DisableAllLights() {
void CGraphics::LoadLight(ERglLight light, const CLight& info) {
const auto lightId = static_cast<GX::LightID>(1 << light);
#if 0
zeus::CVector3f pos = info.GetPosition();
zeus::CVector3f dir = info.GetDirection();
if (info.GetType() == ELightType::Directional) {
return;
dir = -(g_CameraMatrix.buildMatrix3f() * dir);
GXInitLightPos(&g_LightObjs[static_cast<u32>(light)], dir.x() * 1048576.f, dir.y() * 1048576.f, dir.z() * 1048576.f);
GXInitLightAttn(&g_LightObjs[static_cast<u32>(light)], 1.f, 0.f, 0.f, 1.f, 0.f, 0.f);
} else if (info.GetType() == ELightType::Spot) {
pos = g_CameraMatrix * pos;
GX::LightObj* obj = &g_LightObjs[static_cast<u32>(light)];
GXInitLightPos(obj, pos.x(), pos.y(), pos.z());
dir = g_CameraMatrix.buildMatrix3f() * dir;
GXInitLightDir(obj, dir.x(), dir.y(), dir.z());
GXInitLightAttn(obj, 1.f, 0.f, 0.f, info.GetAttenuationConstant(), info.GetAngleAttenuationLinear(),
info.GetAttenuationQuadratic());
GXInitLightSpot(obj, info.GetSpotCutoff(), GX::SP_COS2);
} else if (info.GetType() == ELightType::Custom) {
pos = g_CameraMatrix * pos;
GX::LightObj* obj = &g_LightObjs[static_cast<u32>(light)];
GXInitLightPos(obj, pos.x(), pos.y(), pos.z());
dir = g_CameraMatrix.buildMatrix3f() * dir;
GXInitLightDir(obj, dir.x(), dir.y(), dir.z());
GXInitLightAttn(obj, info.GetAngleAttenuationConstant(), info.GetAngleAttenuationLinear(),
info.GetAngleAttenuationQuadratic(), info.GetAttenuationConstant(),
info.GetAngleAttenuationLinear(), info.GetAttenuationQuadratic());
} else if (info.GetType() == ELightType::LocalAmbient) {
pos = g_CameraMatrix * pos;
GXInitLightPos(&g_LightObjs[static_cast<u32>(light)], pos.x(), pos.y(), pos.z());
GXInitLightAttn(&g_LightObjs[static_cast<u32>(light)], 1.f, 0.f, 0.f, info.GetAttenuationConstant(),
info.GetAngleAttenuationLinear(), info.GetAttenuationQuadratic());
}
g_LightTypes[static_cast<u32>(light)] = info.GetType();
GX::Color col(info.GetColor().r(), info.GetColor().g(), info.GetColor().b());
GXInitLightColor(&g_LightObjs[static_cast<u32>(light)], col);
GXLoadLightObjImm(&g_LightObjs[static_cast<u32>(light)], lightId);
#else
switch (info.GetType()) {
case ELightType::LocalAmbient:
aurora::gfx::load_light_ambient(lightId, info.GetColor());
@@ -103,6 +143,7 @@ void CGraphics::LoadLight(ERglLight light, const CLight& info) {
break;
}
}
#endif
}
void CGraphics::EnableLight(ERglLight light) {
@@ -674,7 +715,14 @@ void CGraphics::Startup() {
}
void CGraphics::InitGraphicsVariables() {
// g_lightTypes[0..n] = Directional;
g_LightTypes[0] = ELightType::Directional;
g_LightTypes[1] = ELightType::Directional;
g_LightTypes[2] = ELightType::Directional;
g_LightTypes[3] = ELightType::Directional;
g_LightTypes[4] = ELightType::Directional;
g_LightTypes[5] = ELightType::Directional;
g_LightTypes[6] = ELightType::Directional;
g_LightTypes[7] = ELightType::Directional;
g_LightActive = {};
SetDepthWriteMode(false, g_depthFunc, false);
SetCullMode(ERglCullMode::None);
@@ -682,8 +730,8 @@ void CGraphics::InitGraphicsVariables() {
g_IsGXModelMatrixIdentity = false;
// SetIdentityViewPointMatrix();
// SetIdentityModelMatrix();
// SetViewport(...);
// SetPerspective(...);
SetViewport(0, 0, g_Viewport.x8_width, g_Viewport.xc_height);
SetPerspective(60.f, g_Viewport.x8_width / g_Viewport.xc_height, g_Proj.x14_near, g_Proj.x18_far);
SetCopyClear(g_ClearColor, 1.f);
CGX::SetChanMatColor(CGX::EChannelId::Channel0, zeus::skWhite);
// g_RenderState.ResetFlushAll();