metaforce/Runtime/Graphics/CGraphics.hpp

424 lines
11 KiB
C++

#ifndef __URDE_CGRAPHICS_HPP__
#define __URDE_CGRAPHICS_HPP__
#include "boo/graphicsdev/IGraphicsDataFactory.hpp"
#include "boo/graphicsdev/IGraphicsCommandQueue.hpp"
#include "RetroTypes.hpp"
#include "zeus/CTransform.hpp"
#include "zeus/CVector2i.hpp"
#include "zeus/CColor.hpp"
#include "hecl/Runtime.hpp"
namespace urde
{
class CLight;
class CTimeProvider;
enum class ERglLight : u8
{
Zero = 0,
One,
Two,
Three,
Four,
Five,
Six,
Seven
};
enum class ERglLightBits : u8
{
None = 0,
Zero = 1,
One = 1 << 1,
Two = 1 << 2,
Three = 1 << 3,
Four = 1 << 4,
Five = 1 << 5,
Six = 1 << 6,
Seven = 1 << 7
};
ENABLE_BITWISE_ENUM(ERglLightBits)
enum class ERglEnum
{
Never = 0,
Less = 1,
Equal = 2,
LEqual = 3,
Greater = 4,
NEqual = 5,
GEqual = 6,
Always = 7
};
enum class ERglBlendMode
{
None = 0,
Blend = 1,
Logic = 2,
Subtract = 3
};
enum class ERglBlendFactor
{
Zero = 0,
One = 1,
SrcColor = 2,
InvSrcColor = 3,
SrcAlpha = 4,
InvSrcAlpha = 5,
DstAlpha = 6,
InvDstAlpha = 7
};
enum class ERglLogicOp
{
Clear = 0,
And = 1,
RevAnd = 2,
Copy = 3,
InvAnd = 4,
NoOp = 5,
Xor = 6,
Or = 7,
Nor = 8,
Equiv = 9,
Inv = 10,
RevOr = 11,
InvCopy = 12,
InvOr = 13,
NAnd = 14,
Set = 15
};
enum class ERglCullMode
{
None = 0,
Front = 1,
Back = 2,
All = 3
};
enum class ERglAlphaFunc
{
Never = 0,
Less = 1,
Equal = 2,
LEqual = 3,
Greater = 4,
NEqual = 5,
GEqual = 6,
Always = 7
};
enum class ERglAlphaOp
{
And = 0,
Or = 1,
Xor = 2,
XNor = 3
};
enum class ERglFogMode
{
None = 0x00,
PerspLin = 0x02,
PerspExp = 0x04,
PerspExp2 = 0x05,
PerspRevExp = 0x06,
PerspRevExp2 = 0x07,
OrthoLin = 0x0A,
OrthoExp = 0x0C,
OrthoExp2 = 0x0D,
OrthoRevExp = 0x0E,
OrthoRevExp2 = 0x0F
};
struct SViewport
{
u32 x0_left;
u32 x4_top;
u32 x8_width;
u32 xc_height;
float x10_halfWidth;
float x14_halfHeight;
};
extern SViewport g_Viewport;
struct SClipScreenRect
{
bool x0_valid = false;
int x4_left = 0;
int x8_top = 0;
int xc_width = 0;
int x10_height = 0;
int x14_dstWidth = 0;
float x18_uvXMin = 0.f;
float x1c_uvXMax = 0.f;
float x20_uvYMin = 0.f;
float x24_uvYMax = 0.f;
SClipScreenRect() = default;
SClipScreenRect(bool valid, int left, int top, int width, int height, int dstWidth,
float uvXMin, float uvXMax, float uvYMin, float uvYMax)
: x0_valid(valid), x4_left(left), x8_top(top), xc_width(width), x10_height(height), x14_dstWidth(dstWidth),
x18_uvXMin(uvXMin), x1c_uvXMax(uvXMax), x20_uvYMin(uvYMin), x24_uvYMax(uvYMax) {}
SClipScreenRect(const boo::SWindowRect& rect)
{
x4_left = rect.location[0];
x8_top = rect.location[1];
xc_width = rect.size[0];
x10_height = rect.size[1];
x14_dstWidth = rect.size[0];
}
SClipScreenRect(const SViewport& vp)
{
x4_left = vp.x0_left;
x8_top = vp.x4_top;
xc_width = vp.x8_width;
x10_height = vp.xc_height;
}
};
enum class ETexelFormat
{
I4 = 0,
I8 = 1,
IA4 = 2,
IA8 = 3,
C4 = 4,
C8 = 5,
C14X2 = 6,
RGB565 = 7,
RGB5A3 = 8,
RGBA8 = 9,
CMPR = 10,
RGBA8PC = 16,
C8PC = 17,
CMPRPC = 18,
};
/*
#define DEPTH_FAR 1.f
#define DEPTH_SKY 0.999f
#define DEPTH_TARGET_MANAGER 0.12500012f
#define DEPTH_WORLD (1.f / 8.f)
#define DEPTH_GUN (1.f / 32.f)
#define DEPTH_SCREEN_ACTORS (1.f / 64.f)
#define DEPTH_HUD (1.f / 512.f)
#define DEPTH_NEAR 0.f
*/
#define DEPTH_FAR 1.f
#define DEPTH_SKY 0.999f
#define DEPTH_TARGET_MANAGER 0.12500012f
#define DEPTH_WORLD (1.f / 8.f)
#define DEPTH_GUN (1.f / 32.f)
#define DEPTH_SCREEN_ACTORS (1.f / 64.f)
#define DEPTH_HUD (1.f / 512.f)
#define DEPTH_NEAR 0.f
class CGraphics
{
public:
struct CProjectionState
{
bool x0_persp;
float x4_left;
float x8_right;
float xc_top;
float x10_bottom;
float x14_near;
float x18_far;
};
struct CFogState
{
zeus::CColor m_color;
float m_rangeScale = 0.f;
float m_start = 4096.f;
};
static CProjectionState g_Proj;
static zeus::CVector2f g_CachedDepthRange;
static CFogState g_Fog;
static zeus::CColor g_ColorRegs[3];
static float g_ProjAspect;
static u32 g_NumLightsActive;
static u32 g_NumBreakpointsWaiting;
static u32 g_FlippingState;
static bool g_LastFrameUsedAbove;
static bool g_InterruptLastFrameUsedAbove;
static ERglLightBits g_LightActive;
static ERglLightBits g_LightsWereOn;
static zeus::CTransform g_GXModelView;
static zeus::CTransform g_GXModelViewInvXpose;
static zeus::CTransform g_GXModelMatrix;
static zeus::CTransform g_ViewMatrix;
static zeus::CVector3f g_ViewPoint;
static zeus::CTransform g_GXViewPointMatrix;
static zeus::CTransform g_CameraMatrix;
static SClipScreenRect g_CroppedViewport;
static bool g_IsGXModelMatrixIdentity;
static void DisableAllLights();
static void LoadLight(ERglLight light, const CLight& info);
static void EnableLight(ERglLight light);
static void SetLightState(ERglLightBits lightState);
static void SetAmbientColor(const zeus::CColor& col);
static void SetFog(ERglFogMode mode, float startz, float endz, const zeus::CColor& color);
static void SetDepthWriteMode(bool test, ERglEnum comp, bool write);
static void SetBlendMode(ERglBlendMode, ERglBlendFactor, ERglBlendFactor, ERglLogicOp);
static void SetCullMode(ERglCullMode);
static void BeginScene();
static void EndScene();
static void SetAlphaCompare(ERglAlphaFunc comp0, u8 ref0, ERglAlphaOp op, ERglAlphaFunc comp1, u8 ref1);
static void SetViewPointMatrix(const zeus::CTransform& xf);
static void SetViewMatrix();
static void SetModelMatrix(const zeus::CTransform& xf);
static zeus::CMatrix4f CalculatePerspectiveMatrix(float fovy, float aspect,
float znear, float zfar,
bool forRenderer);
static zeus::CMatrix4f GetPerspectiveProjectionMatrix(bool forRenderer);
static const CProjectionState& GetProjectionState();
static void SetProjectionState(const CProjectionState&);
static void SetPerspective(float fovy, float aspect, float znear, float zfar);
static void SetOrtho(float left, float right,
float top, float bottom,
float znear, float zfar);
static void FlushProjection();
static zeus::CVector2i ProjectPoint(const zeus::CVector3f& point);
static SClipScreenRect ClipScreenRectFromMS(const zeus::CVector3f& p1, const zeus::CVector3f& p2);
static SClipScreenRect ClipScreenRectFromVS(const zeus::CVector3f& p1, const zeus::CVector3f& p2);
static zeus::CVector3f ProjectModelPointToViewportSpace(const zeus::CVector3f& point);
static void SetViewportResolution(const zeus::CVector2i& res);
static void SetViewport(int leftOff, int bottomOff, int width, int height);
static void SetScissor(int leftOff, int bottomOff, int width, int height);
static void SetDepthRange(float near, float far);
static CTimeProvider* g_ExternalTimeProvider;
static float g_DefaultSeconds;
static u32 g_RenderTimings;
static void SetExternalTimeProvider(CTimeProvider* provider)
{g_ExternalTimeProvider = provider;}
static float GetSecondsMod900();
static void TickRenderTimings();
static u32 g_FrameCounter;
static u32 GetFrameCounter() { return g_FrameCounter; }
static boo::IGraphicsDataFactory::Platform g_BooPlatform;
static const boo::SystemChar* g_BooPlatformName;
static boo::IGraphicsDataFactory* g_BooFactory;
static boo::IGraphicsCommandQueue* g_BooMainCommandQueue;
static boo::ObjToken<boo::ITextureR> g_SpareTexture;
static void InitializeBoo(boo::IGraphicsDataFactory* factory,
boo::IGraphicsCommandQueue* cc,
const boo::ObjToken<boo::ITextureR>& spareTex)
{
g_BooPlatform = factory->platform();
g_BooPlatformName = factory->platformName();
g_BooFactory = factory;
g_BooMainCommandQueue = cc;
g_SpareTexture = spareTex;
}
static void ShutdownBoo()
{
g_BooFactory = nullptr;
g_BooMainCommandQueue = nullptr;
g_SpareTexture.reset();
}
static const boo::SystemChar* PlatformName()
{
return g_BooPlatformName;
}
static void CommitResources(const boo::FactoryCommitFunc& commitFunc)
{
g_BooFactory->commitTransaction(commitFunc);
}
static void SetShaderDataBinding(const boo::ObjToken<boo::IShaderDataBinding>& binding)
{
g_BooMainCommandQueue->setShaderDataBinding(binding);
}
static void ResolveSpareTexture(const SClipScreenRect& rect, int bindIdx=0, bool clearDepth=false)
{
boo::SWindowRect wrect = {rect.x4_left, rect.x8_top, rect.xc_width, rect.x10_height};
g_BooMainCommandQueue->resolveBindTexture(g_SpareTexture, wrect, true, bindIdx, true, false, clearDepth);
}
static void ResolveSpareDepth(const SClipScreenRect& rect, int bindIdx=0)
{
boo::SWindowRect wrect = {rect.x4_left, rect.x8_top, rect.xc_width, rect.x10_height};
g_BooMainCommandQueue->resolveBindTexture(g_SpareTexture, wrect, true, bindIdx, false, true);
}
static void DrawInstances(size_t start, size_t count, size_t instCount)
{
g_BooMainCommandQueue->drawInstances(start, count, instCount);
}
static void DrawArray(size_t start, size_t count)
{
g_BooMainCommandQueue->draw(start, count);
}
static void DrawArrayIndexed(size_t start, size_t count)
{
g_BooMainCommandQueue->drawIndexed(start, count);
}
};
template<class VTX>
class TriFanToStrip
{
std::vector<VTX>& m_vec;
size_t m_start;
size_t m_added = 0;
public:
explicit TriFanToStrip(std::vector<VTX>& vec) : m_vec(vec), m_start(vec.size()) {}
void AddVert(const VTX& vert)
{
++m_added;
if (m_added > 3)
{
const VTX& last = m_vec.back();
m_vec.reserve(m_vec.size() + 4);
m_vec.push_back(m_vec[m_start]);
m_vec.push_back(m_vec[m_start]);
m_vec.push_back(last);
}
m_vec.push_back(vert);
}
template<class... _Args>
void EmplaceVert(_Args&&... args)
{
++m_added;
if (m_added > 3)
{
const VTX& last = m_vec.back();
m_vec.reserve(m_vec.size() + 4);
m_vec.push_back(m_vec[m_start]);
m_vec.push_back(m_vec[m_start]);
m_vec.push_back(last);
}
m_vec.emplace_back(std::forward<_Args>(args)...);
}
void Draw() const { CGraphics::DrawArray(m_start, m_vec.size() - m_start); }
};
}
#endif // __URDE_CGRAPHICS_HPP__