1133 lines
40 KiB
C++
1133 lines
40 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Copyright (C) Microsoft Corporation, 2000.
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//
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// refdev.hpp
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//
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// Direct3D Reference Device - Main Header File
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//
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _REFDEV_HPP
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#define _REFDEV_HPP
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <windows.h>
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#pragma warning( disable: 4056) // fp constant
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#pragma warning( disable: 4244) // fp DOUBLE->FLOAT
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#include <ddraw.h>
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#include <ddrawi.h>
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#include <d3dhal.h>
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#include "d3d8ddi.h"
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//@@BEGIN_MSINTERNAL
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#include "d3d8p.h"
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//@@END_MSINTERNAL
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#include <rdcomm.hpp>
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// forward declarations
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class D3DDebugMonitor;
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class RDDebugMonitor;
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class RDSurfaceManager;
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class RDSurface2D;
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class RDSurface;
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class RDRenderTarget;
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class RDTextureStageState;
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class RDBSpline;
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class RDNPatch;
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class RefDev;
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#include <rddmon.hpp>
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#include <templarr.hpp>
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#include <vshader.h>
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#include <vstream.h>
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#include <reftnl.hpp>
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#include <refrast.hpp>
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#include <pshader.h>
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//-----------------------------------------------------------------------------
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//
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// A special legacy (pre-DX6) texture op we can't easily map into the new
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// texture ops.
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//
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//-----------------------------------------------------------------------------
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#define D3DTOP_LEGACY_ALPHAOVR (0x7fffffff)
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//-----------------------------------------------------------------------------
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//
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// Constants
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//
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//-----------------------------------------------------------------------------
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const DWORD RD_MAX_NUM_TEXTURE_FORMATS = 50;
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const DWORD RD_MAX_CLOD = 13*6; // base texture up to 4kx4k for 6 Cubemaps
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//-----------------------------------------------------------------------------
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//
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// RefRastSetMemif - Routine to set memory allocation interface for reference
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// rasterizer - takes pointers to functions to use for malloc, free, and realloc.
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//
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// These must be set prior to new'ing any RefDev objects.
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//
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//-----------------------------------------------------------------------------
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void
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RefRastSetMemif(
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LPVOID( _cdecl* pfnMemAlloc )( size_t ),
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void( _cdecl* pfnMemFree )( PVOID ),
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LPVOID( _cdecl* pfnMemReAlloc )( PVOID, size_t ) );
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//-----------------------------------------------------------------------------
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//
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// RDRenderTarget - Class which encompasses all information about rendering
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// target, including size, type/pointer/stride for color and depth/stencil
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// buffers, guard band clip info, W range info.
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//
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// Usage is to instantiate, fill out public members, and install into a
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// RefDev object via RefDev::SetRenderTarget.
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//
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//-----------------------------------------------------------------------------
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class RDRenderTarget : public RDAlloc
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{
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public:
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///////////////////////////////////////////////////////////////////////////
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//
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// public interface
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//
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///////////////////////////////////////////////////////////////////////////
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RDRenderTarget( void );
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~RDRenderTarget( void );
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//
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// these need to be filled in by the user before installing in a
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// RefDev object
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//
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RECT m_Clip; // clipping bounds
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FLOAT m_fWRange[2]; // range of device W (W at near and far clip planes)
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RDSurface2D* m_pColor;
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RDSurface2D* m_pDepth;
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// This boolean indicates that the DDI used to set render target
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// is a pre-DX7. This is used by the destructor to free up the
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// color and depth buffers.
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BOOL m_bPreDX7DDI;
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///////////////////////////////////////////////////////////////////////////
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//
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// internal state and methods
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//
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///////////////////////////////////////////////////////////////////////////
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friend class RefDev;
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HRESULT Initialize( LPDDRAWI_DIRECTDRAW_LCL pDDLcl, DWORD dwColorHandle,
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DWORD dwDepthHandle );
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HRESULT Initialize( LPDDRAWI_DIRECTDRAW_LCL pDDLcl,
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LPDDRAWI_DDRAWSURFACE_LCL pLclColor,
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LPDDRAWI_DDRAWSURFACE_LCL pLclZ );
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HRESULT Initialize( LPDDRAWI_DDRAWSURFACE_LCL pLclColor,
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LPDDRAWI_DDRAWSURFACE_LCL pLclZ );
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// read/write specific sample
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void ReadPixelColor ( INT32 iX, INT32 iY, UINT Sample, RDColor& Color );
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void WritePixelColor ( INT32 iX, INT32 iY, UINT Sample, const RDColor& Color, BOOL bDither );
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void WritePixelDepth ( INT32 iX, INT32 iY, UINT Sample, const RDDepth& Depth );
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void ReadPixelDepth ( INT32 iX, INT32 iY, UINT Sample, RDDepth& Depth );
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void WritePixelStencil( INT32 iX, INT32 iY, UINT Sample, UINT8 uStencil );
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void ReadPixelStencil ( INT32 iX, INT32 iY, UINT Sample, UINT8& uStencil );
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// write all samples
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void WritePixelColor ( INT32 iX, INT32 iY, const RDColor& Color, BOOL bDither );
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void WritePixelDepth ( INT32 iX, INT32 iY, const RDDepth& Depth );
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void WritePixelStencil( INT32 iX, INT32 iY, UINT8 uStencil );
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void Clear ( RDColor fillColor, LPD3DHAL_DP2COMMAND pCmd );
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void ClearDepth ( RDDepth fillDepth, LPD3DHAL_DP2COMMAND pCmd );
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void ClearStencil ( UINT8 uStencil, LPD3DHAL_DP2COMMAND pCmd );
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void ClearDepthStencil( RDDepth fillDepth, UINT8 uStencil, LPD3DHAL_DP2COMMAND pCmd );
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};
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//-----------------------------------------------------------------------------
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//
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// RDTextureStageState - This holds the per-stage state for texture mapping.
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// An array of these are instanced in the RefDev object.
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//
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// Store texture matrix at the end of the texture stage state.
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//
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//-----------------------------------------------------------------------------
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class RDTextureStageState
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{
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public:
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union
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{
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DWORD m_dwVal[D3DTSS_MAX]; // state array (unsigned)
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FLOAT m_fVal[D3DTSS_MAX]; // state array (float)
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};
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};
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//-----------------------------------------------------------------------------
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//
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// RDSurface - Class instanced once per surface which encompasses information
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// about a chain of surfaces used either as a mipmap, cubemap, render-target,
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// depth-buffer, vertex buffer or an index buffer. Includes size and type
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// (assumed same for each level of detail) and pointer/stride for each LOD.
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//
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// Created by CreateSurfaceEx DDI call.
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//
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//-----------------------------------------------------------------------------
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// Surface type flags. Some combination of them are legal
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const DWORD RR_ST_UNKNOWN = 0;
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const DWORD RR_ST_TEXTURE = (1<<0);
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const DWORD RR_ST_RENDERTARGETCOLOR = (1<<2);
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const DWORD RR_ST_RENDERTARGETDEPTH = (1<<3);
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const DWORD RR_ST_VERTEXBUFFER = (1<<4);
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const DWORD RR_ST_INDEXBUFFER = (1<<5);
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// The following flags track the surface status
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const DWORD RRSURFACE_STATUS_INITCALLED = (1<<0);
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const DWORD RRSURFACE_STATUS_REFCREATED = (1<<1);
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const DWORD RRSURFACE_STATUS_ISLOCKED = (1<<2);
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class RDSurface
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{
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public:
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RDSurface()
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{
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m_dwStatus = 0;
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m_MemPool = D3DPOOL_FORCE_DWORD;
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m_SurfType = RR_ST_UNKNOWN;
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m_iLockCount = 0;
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}
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virtual HRESULT Initialize( LPDDRAWI_DDRAWSURFACE_LCL pDDSLcl ) = 0;
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virtual ~RDSurface()
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{
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return;
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}
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BOOL IsInitialized(){ return (m_dwStatus & RRSURFACE_STATUS_INITCALLED); }
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void SetInitialized(){ m_dwStatus |= RRSURFACE_STATUS_INITCALLED; }
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BOOL IsRefCreated() { return (m_dwStatus & RRSURFACE_STATUS_REFCREATED); }
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void SetRefCreated(){ m_dwStatus |= RRSURFACE_STATUS_REFCREATED; }
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BOOL IsLocked() { return (m_dwStatus & RRSURFACE_STATUS_ISLOCKED); }
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void Lock() { m_iLockCount++; }
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void Unlock() { if( m_iLockCount > 0 ) m_iLockCount--; }
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DWORD GetSurfaceType() { return m_SurfType; }
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D3DPOOL GetMemPool() { return m_MemPool; }
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protected:
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D3DPOOL m_MemPool; // Where is this allocated
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DWORD m_SurfType; // the type of surface
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DWORD m_dwStatus;
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int m_iLockCount;
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};
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//-----------------------------------------------------------------------------
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//
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// RDCREATESURFPRIVATE
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// PrivateData stored in SurfaceGbl->dwReserved1 at CreateSurface call
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//
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//-----------------------------------------------------------------------------
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class RDCREATESURFPRIVATE
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{
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public:
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RDCREATESURFPRIVATE()
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{
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dwPitch = 0;
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dwLockCount = 0;
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pBits = NULL;
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wSamples = 1;
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dwMultiSamplePitch = 0;
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pMultiSampleBits = NULL;
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SurfaceFormat = RD_SF_NULL;
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}
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~RDCREATESURFPRIVATE()
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{
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_ASSERT( dwLockCount == 0, "Surface being deleted has some"
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"outstanding locks" );
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delete [] pBits;
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delete [] pMultiSampleBits;
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}
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void Lock()
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{
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dwLockCount++;
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}
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void Unlock()
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{
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if( dwLockCount > 0)
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dwLockCount--;
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}
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DWORD dwLockCount;
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union
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{
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DWORD dwPitch;
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DWORD dwVBSize;
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};
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BYTE* pBits;
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WORD wSamples;
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DWORD dwMultiSamplePitch;
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BYTE* pMultiSampleBits;
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RDSurfaceFormat SurfaceFormat;
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};
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//---------------------------------------------------------------------------
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// RDDSurfaceArrayNode
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//
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// This is a node in the linked list of the growable array of RefSurfaces
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// maintained per ddraw lcl.
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//---------------------------------------------------------------------------
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struct RDSurfaceHandle
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{
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RDSurfaceHandle()
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{
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m_pSurf = NULL;
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#if DBG
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m_tag = 0;
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#endif
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}
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RDSurface* m_pSurf;
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#if DBG
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// Non zero means that it has been allocated
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DWORD m_tag;
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#endif
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};
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class RDSurfaceArrayNode : public RDListEntry
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{
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public:
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RDSurfaceArrayNode(LPDDRAWI_DIRECTDRAW_LCL pDDLcl);
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~RDSurfaceArrayNode();
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HRESULT AddSurface( LPDDRAWI_DDRAWSURFACE_LCL pDDSLcl,
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RDSurface** ppSurf );
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RDSurface* GetSurface( DWORD dwHandle );
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HRESULT RemoveSurface( DWORD dwHandle );
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private:
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LPDDRAWI_DIRECTDRAW_LCL m_pDDLcl;
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GArrayT<RDSurfaceHandle> m_SurfHandleArray;
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RDSurfaceArrayNode* m_pNext;
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friend class RDSurfaceManager;
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};
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//---------------------------------------------------------------------------
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// RDSurfaceManager
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//
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// This class maintains a linked list of all the
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// surface handle tables for each DD_LCL
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//---------------------------------------------------------------------------
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class RDSurfaceManager
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{
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public:
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RDSurfaceManager() {m_pFirstNode = NULL;}
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~RDSurfaceManager()
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{
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RDSurfaceArrayNode *pNode = m_pFirstNode;
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while( pNode )
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{
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RDSurfaceArrayNode *pTmp = pNode;
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pNode = pNode->m_pNext;
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delete pTmp;
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}
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}
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RDSurfaceArrayNode* AddLclNode( LPDDRAWI_DIRECTDRAW_LCL pDDLcl );
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RDSurfaceArrayNode* GetLclNode( LPDDRAWI_DIRECTDRAW_LCL pDDLcl );
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HRESULT AddSurfToList( LPDDRAWI_DIRECTDRAW_LCL pDDLcl,
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LPDDRAWI_DDRAWSURFACE_LCL pDDSLcl,
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RDSurface** ppSurf );
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RDSurface* GetSurfFromList( LPDDRAWI_DIRECTDRAW_LCL pDDLcl,
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DWORD dwHandle );
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HRESULT RemoveSurfFromList( LPDDRAWI_DIRECTDRAW_LCL pDDLcl,
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LPDDRAWI_DDRAWSURFACE_LCL pDDSLcl);
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HRESULT RemoveSurfFromList( LPDDRAWI_DIRECTDRAW_LCL pDDLcl,
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DWORD dwHandle );
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private:
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RDSurfaceArrayNode *m_pFirstNode;
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};
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extern RDSurfaceManager g_SurfMgr;
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//-----------------------------------------------------------------------------
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//
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// RDVertexBuffer - The RefDev's representation of the VertexBuffer. It gets
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// created on a CreateSurfaceEx call.
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//
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//-----------------------------------------------------------------------------
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class RDVertexBuffer : public RDSurface
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{
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public:
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RDVertexBuffer()
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{
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m_pBits = NULL;
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m_cbSize = 0;
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m_FVF = 0;
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}
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virtual ~RDVertexBuffer() { return; }
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HRESULT Initialize( LPDDRAWI_DDRAWSURFACE_LCL pLcl );
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LPBYTE GetBits() { return m_pBits; }
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int GetFVF() { return m_FVF; }
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int GetSize() { return m_cbSize; }
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protected:
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DWORD m_FVF;
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BYTE* m_pBits;
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DWORD m_cbSize;
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};
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//-----------------------------------------------------------------------------
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//
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// RDPalette - Class for representing and managing palettes in RefDev
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//
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//-----------------------------------------------------------------------------
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class RDPalette
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{
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public:
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RDPalette()
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{
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m_dwFlags = 0;
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memset( m_Entries, 0, sizeof( m_Entries ) );
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}
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D3DCOLOR* GetEntries()
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{
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return m_Entries;
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}
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static const DWORD RDPAL_ALPHAINPALETTE;
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static const DWORD m_dwNumEntries;
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HRESULT Update( WORD StartIndex, WORD wNumEntries,
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PALETTEENTRY* pEntries );
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BOOL HasAlpha()
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{
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return (m_dwFlags & RDPAL_ALPHAINPALETTE);
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}
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DWORD m_dwFlags;
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D3DCOLOR m_Entries[256];
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};
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struct RDPaletteHandle
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{
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RDPaletteHandle()
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{
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m_pPal = NULL;
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#if DBG
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m_tag = 0;
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#endif
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}
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RDPalette* m_pPal;
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#if DBG
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// Non zero means that it has been allocated
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DWORD m_tag;
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#endif
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};
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//-----------------------------------------------------------------------------
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//
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// RDSurface2D - Class instanced once per 2D surface which could be either
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// texture, color render target or depth buffer information
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// about a chain of surfaces. Includes size and type
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// (assumed same for each level of detail) and pointer/stride for each LOD.
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//
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// Also includes pointer to palette, and colorkey value (legacy support only).
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//
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//-----------------------------------------------------------------------------
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class RDSurface2D : public RDSurface
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{
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public:
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///////////////////////////////////////////////////////////////////////////
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//
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// public interface
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//
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///////////////////////////////////////////////////////////////////////////
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RDSurface2D( void );
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~RDSurface2D( void );
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friend class RefDev;
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class RefDev * m_pRefDev; // refdev which created this - used only when this is bound as a texture
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void SetRefDev( RefDev* pRefDev) { m_pRefDev = pRefDev; }
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DWORD m_uFlags; // RR_TEXTURE_* bitdefs
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// bit definitions for RDSurface2D::uFlags
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#define RR_TEXTURE_HAS_CK (1L<< 0) // set if texture has colorkey
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#define RR_TEXTURE_ALPHAINPALETTE (1L<< 1) // set if alpha channel in palette
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#define RR_TEXTURE_CUBEMAP (1L<< 2) // set if texture is Cubemap with 6 times the number of surfaces
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#define RR_TEXTURE_VOLUME (1L<< 4) // set if texture is volume
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// basic info
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UINT m_iSamples;
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int m_iWidth; // size of top-level map
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int m_iHeight;
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int m_iDepth; // depth of volume texture
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BYTE* m_pBits[RD_MAX_CLOD]; // pointer to surface bits
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int m_iPitch[RD_MAX_CLOD]; // pitch in bytes
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int m_iSlicePitch[RD_MAX_CLOD]; // slice pitch in bytes
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// for volume texture
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int m_cLOD; // 0..(n-1) count of LODs currently available
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RDSurfaceFormat m_SurfFormat; // format of pixel
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DWORD m_dwColorKey; // D3DCOLOR colorkey value
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DWORD m_dwEmptyFaceColor; // D3DCOLOR empty cubemap empty face value
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DWORD* m_pPalette; // pointer to D3DCOLOR palette (may be NULL)
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RDPalette* m_pPalObj;
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// DD surface pointers for locking/unlocking and GetSurf callback
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LPDDRAWI_DDRAWSURFACE_LCL m_pDDSLcl[RD_MAX_CLOD];
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int m_cLODDDS; // 0..(n-1) count of LODs actually in the pDDS array
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D3DTEXTUREHANDLE m_hTex; // texture handle
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///////////////////////////////////////////////////////////////////////////
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//
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// internal state and methods
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//
|
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///////////////////////////////////////////////////////////////////////////
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|
BOOL m_bHasAlpha; // TRUE if texture has an alpha channel
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int m_cDimension; // 1,2,3 for 1D,2D,3D textures
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int m_cTexels[RD_MAX_CLOD][3]; // integer number of texels in each dimension
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float m_fTexels[RD_MAX_CLOD][3]; // float number of texels in each dimension
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HRESULT Initialize( LPDDRAWI_DDRAWSURFACE_LCL pLcl );
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DWORD ComputePitch( LPDDRAWI_DDRAWSURFACE_LCL pLcl ) const;
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DWORD ComputePitch( LPDDRAWI_DDRAWSURFACE_LCL pLcl,
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RDSurfaceFormat SurfFormat,
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DWORD width, DWORD height ) const;
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void SetPalette( RDPalette* pPal )
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{
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m_pPalObj = pPal;
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}
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|
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void UpdatePalette();
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BOOL Validate( void );
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void ReadColor( INT32 iX, INT32 iY, INT32 iZ, INT32 iLOD, RDColor& Texel, BOOL &bColorKeyKill );
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|
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inline int GetPitch( DWORD level = 0 ) { return m_iPitch[level]; }
|
|
inline LPBYTE GetBits( DWORD level = 0) { return m_pBits[level]; }
|
|
inline int GetWidth() { return m_iWidth; }
|
|
inline int GetHeight() { return m_iHeight; }
|
|
inline int GetSamples() { return m_iSamples; }
|
|
HRESULT SetLod( DWORD dwLOD )
|
|
{
|
|
return S_OK;
|
|
}
|
|
inline RDSurfaceFormat GetSurfaceFormat() { return m_SurfFormat; }
|
|
|
|
friend class RDRenderTarget;
|
|
};
|
|
|
|
#define RD_STATESET_GROWDELTA 1
|
|
|
|
#define RRSTATEOVERRIDE_DWORD_BITS 32
|
|
#define RRSTATEOVERRIDE_DWORD_SHIFT 5
|
|
|
|
typedef TemplArray<UINT8> StateSetData;
|
|
typedef StateSetData *LPStateSetData;
|
|
|
|
typedef HRESULT (*PFN_DP2REFOPERATION)(RefDev *pRefDev, LPD3DHAL_DP2COMMAND pCmd);
|
|
typedef HRESULT (*PFN_DP2REFOPERATIONUPDATE)(RefDev *pRefDev, LPD3DHAL_DP2COMMAND* ppCmd);
|
|
typedef HRESULT (*PFN_DP2REFSETRENDERSTATES)(RefDev *pRefDev,
|
|
DWORD dwFvf,
|
|
LPD3DHAL_DP2COMMAND pCmd,
|
|
LPDWORD lpdwRuntimeRStates);
|
|
typedef HRESULT (*PFN_DP2REFTEXTURESTAGESTATE)(RefDev *pRefDev,
|
|
DWORD dwFvf,
|
|
LPD3DHAL_DP2COMMAND pCmd);
|
|
typedef HRESULT (*PFN_DP2REFSETLIGHT)(RefDev *pRefDev,
|
|
LPD3DHAL_DP2COMMAND pCmd,
|
|
LPDWORD pdwStride);
|
|
typedef HRESULT (*PFN_DP2REFSETVERTEXSHADEDCONSTS)
|
|
(RefDev *pRefDev, DWORD StartReg, DWORD dwCount,
|
|
LPDWORD pData );
|
|
typedef HRESULT (*PFN_DP2REFSETPIXELSHADEDCONSTS)
|
|
(RefDev *pRefDev, DWORD StartReg, DWORD dwCount,
|
|
LPDWORD pData );
|
|
|
|
typedef struct _RD_STATESETFUNCTIONTBL
|
|
{
|
|
DWORD dwSize; // size of struct
|
|
PFN_DP2REFSETRENDERSTATES pfnDp2SetRenderStates;
|
|
PFN_DP2REFTEXTURESTAGESTATE pfnDp2TextureStageState;
|
|
PFN_DP2REFOPERATION pfnDp2SetViewport;
|
|
PFN_DP2REFOPERATION pfnDp2SetWRange;
|
|
PFN_DP2REFOPERATION pfnDp2SetMaterial;
|
|
PFN_DP2REFOPERATION pfnDp2SetZRange;
|
|
PFN_DP2REFSETLIGHT pfnDp2SetLight;
|
|
PFN_DP2REFOPERATION pfnDp2CreateLight;
|
|
PFN_DP2REFOPERATION pfnDp2SetTransform;
|
|
PFN_DP2REFOPERATION pfnDp2SetExtention;
|
|
PFN_DP2REFOPERATION pfnDp2SetClipPlane;
|
|
PFN_DP2REFOPERATION pfnDp2SetVertexShader;
|
|
PFN_DP2REFSETVERTEXSHADEDCONSTS pfnDp2SetVertexShaderConsts;
|
|
PFN_DP2REFOPERATION pfnDp2SetPixelShader;
|
|
PFN_DP2REFSETPIXELSHADEDCONSTS pfnDp2SetPixelShaderConsts;
|
|
PFN_DP2REFOPERATION pfnDp2SetStreamSource;
|
|
PFN_DP2REFOPERATION pfnDp2SetIndices;
|
|
PFN_DP2REFOPERATION pfnDp2MultiplyTransform;
|
|
} RD_STATESETFUNCTIONTBL, *LPRD_STATESETFUNCTIONTBL;
|
|
|
|
//
|
|
// The device type that the RefDev should emulate
|
|
//
|
|
typedef enum {
|
|
RDDDI_UNKNOWN = 0,
|
|
RDDDI_OLDHAL = 1,
|
|
RDDDI_DPHAL,
|
|
RDDDI_DP2HAL, // DX6 HAL
|
|
RDDDI_DX7HAL, // DX7 HAL w/out T&L, with state sets
|
|
RDDDI_DX7TLHAL,
|
|
RDDDI_DX8HAL,
|
|
RDDDI_DX8TLHAL,
|
|
RDDDI_FORCE_DWORD = 0xffffffff
|
|
} RDDDITYPE;
|
|
|
|
typedef struct _RRSTATEOVERRIDES
|
|
{
|
|
DWORD bits[D3DSTATE_OVERRIDE_BIAS >> RRSTATEOVERRIDE_DWORD_SHIFT];
|
|
} RRSTATEOVERRIDES;
|
|
|
|
struct RDHOCoeffs
|
|
{
|
|
RDHOCoeffs()
|
|
{
|
|
m_pNumSegs = 0;
|
|
for(unsigned i = 0; i < RD_MAX_NUMSTREAMS; m_pData[i++] = 0);
|
|
}
|
|
~RDHOCoeffs()
|
|
{
|
|
delete[] m_pNumSegs;
|
|
for(unsigned i = 0; i < RD_MAX_NUMSTREAMS; delete[] m_pData[i++]);
|
|
}
|
|
|
|
RDHOCoeffs& operator=(const RDHOCoeffs &coeffs);
|
|
|
|
UINT m_Width;
|
|
UINT m_Height;
|
|
UINT m_Stride;
|
|
D3DBASISTYPE m_Basis;
|
|
D3DORDERTYPE m_Order;
|
|
FLOAT *m_pNumSegs;
|
|
BYTE *m_pData[RD_MAX_NUMSTREAMS];
|
|
UINT m_DataSize[RD_MAX_NUMSTREAMS];
|
|
};
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// RefDev - Primary object for reference rasterizer. Each instance
|
|
// of this corresponds to a D3D device.
|
|
//
|
|
// Usage is to instantiate, install RDRenderTarget (and optional RDSurface2D's),
|
|
// and set state and draw primitives.
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
class RefDev : public RDAlloc
|
|
{
|
|
public:
|
|
friend class RDDebugMonitor;
|
|
friend class RefRast;
|
|
friend class RDPShader;
|
|
///////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// public interface
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////
|
|
RDDebugMonitor* m_pDbgMon;
|
|
|
|
RefDev( LPDDRAWI_DIRECTDRAW_LCL pDDLcl, DWORD dwInterfaceType,
|
|
RDDDITYPE dwDDIType, D3DCAPS8* pCaps8 );
|
|
~RefDev( void );
|
|
LPDDRAWI_DIRECTDRAW_LCL GetDDLcl() { return m_pDDLcl; }
|
|
|
|
// Methods to get embedded objects
|
|
RefVP& GetVP() { return m_RefVP; }
|
|
RefVM& GetVM() { return m_RefVM; }
|
|
RefClipper& GetClipper() { return m_Clipper; }
|
|
|
|
RefRast& GetRast() { return m_Rast; }
|
|
|
|
// DDI methods
|
|
HRESULT DrawPrimitives2( PUINT8 pUMVtx, UINT16 dwStride, DWORD dwFvf,
|
|
DWORD dwNumVertices, LPD3DHAL_DP2COMMAND *ppCmd,
|
|
LPDWORD lpdwRStates );
|
|
|
|
// Dp2 token handling functions
|
|
HRESULT Dp2RecRenderStates(DWORD dwFvf, LPD3DHAL_DP2COMMAND pCmd, LPDWORD lpdwRuntimeRStates);
|
|
HRESULT Dp2RecTextureStageState(DWORD dwFvf, LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2RecViewport(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2RecWRange(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2RecMaterial(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2RecZRange(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2RecSetLight(LPD3DHAL_DP2COMMAND pCmd, LPDWORD pdwStride);
|
|
HRESULT Dp2RecCreateLight(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2RecTransform(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2RecExtention(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2RecClipPlane(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2RecSetVertexShader(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2RecSetVertexShaderConsts(DWORD StartReg, DWORD dwCount,
|
|
LPDWORD pData);
|
|
HRESULT Dp2RecSetPixelShader(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2RecSetPixelShaderConsts(DWORD StartReg, DWORD dwCount,
|
|
LPDWORD pData);
|
|
HRESULT Dp2RecSetStreamSource(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2RecSetIndices(LPD3DHAL_DP2COMMAND pCmd);
|
|
|
|
HRESULT Dp2SetRenderStates(DWORD dwFvf, LPD3DHAL_DP2COMMAND pCmd, LPDWORD lpdwRuntimeRStates);
|
|
HRESULT Dp2SetTextureStageState(DWORD dwFvf, LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2SetViewport(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2SetWRange(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2SetMaterial(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2SetZRange(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2SetLight(LPD3DHAL_DP2COMMAND pCmd, PDWORD pdwStride);
|
|
HRESULT Dp2CreateLight(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2SetTransform(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2MultiplyTransform(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2SetExtention(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2SetRenderTarget(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2SetClipPlane(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2DrawPrimitive(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2DrawPrimitive2(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2DrawIndexedPrimitive(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2DrawIndexedPrimitive2(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2DrawClippedTriFan(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2CreateVertexShader(DWORD handle,
|
|
DWORD dwDeclSize, LPDWORD pDecl,
|
|
DWORD dwCodeSize, LPDWORD pCode);
|
|
HRESULT Dp2DeleteVertexShader(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2SetVertexShader(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2SetVertexShaderConsts(DWORD StartReg, DWORD dwCount,
|
|
LPDWORD pData);
|
|
HRESULT Dp2SetStreamSource(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2SetStreamSourceUM(LPD3DHAL_DP2COMMAND pCmd, PUINT8 pUMVtx );
|
|
HRESULT Dp2SetIndices(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2CreatePixelShader(DWORD handle,
|
|
DWORD dwCodeSize, LPDWORD pCode);
|
|
HRESULT Dp2DeletePixelShader(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2SetPixelShader(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2SetPixelShaderConsts(DWORD StartReg, DWORD dwCount,
|
|
LPDWORD pData);
|
|
HRESULT Dp2SetPalette(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT Dp2UpdatePalette(LPD3DHAL_DP2UPDATEPALETTE pUP,
|
|
PALETTEENTRY *pEntries);
|
|
HRESULT Dp2SetTexLod(LPD3DHAL_DP2COMMAND pCmd);
|
|
|
|
// StateSet related functions
|
|
void SetRecStateFunctions(void);
|
|
void SetSetStateFunctions(void);
|
|
HRESULT BeginStateSet(DWORD dwHandle);
|
|
HRESULT EndStateSet(void);
|
|
HRESULT ExecuteStateSet(DWORD dwHandle);
|
|
HRESULT DeleteStateSet(DWORD dwHandle);
|
|
HRESULT CaptureStateSet(DWORD dwHandle);
|
|
HRESULT CreateStateSet(DWORD dwHandle, D3DSTATEBLOCKTYPE sbType);
|
|
HRESULT RecordAllState( DWORD dwHandle );
|
|
HRESULT RecordVertexState( DWORD dwHandle );
|
|
HRESULT RecordPixelState( DWORD dwHandle );
|
|
|
|
HRESULT RecordStates(PUINT8 pData, DWORD dwSize);
|
|
HRESULT RecordLastState(LPD3DHAL_DP2COMMAND pCmd, DWORD dwUnitSize);
|
|
|
|
LPRD_STATESETFUNCTIONTBL pStateSetFuncTbl;
|
|
|
|
// Interface style
|
|
BOOL IsInterfaceDX6AndBefore() {return (m_dwInterfaceType <= 2);}
|
|
BOOL IsInterfaceDX7AndBefore() {return (m_dwInterfaceType <= 3);}
|
|
|
|
// DriverStyle
|
|
BOOL IsDriverDX6AndBefore()
|
|
{
|
|
return ((m_dwDDIType <= RDDDI_DP2HAL) && (m_dwDDIType > 0));
|
|
}
|
|
BOOL IsDriverDX7AndBefore()
|
|
{
|
|
return ((m_dwDDIType <= RDDDI_DX7TLHAL) && (m_dwDDIType > 0));
|
|
}
|
|
|
|
RDDDITYPE GetDDIType()
|
|
{
|
|
return m_dwDDIType;
|
|
}
|
|
|
|
// Last Pixel State
|
|
void StoreLastPixelState(BOOL bStore);
|
|
|
|
// RenderTarget control
|
|
void SetRenderTarget( RDRenderTarget* pRenderTarget );
|
|
RDRenderTarget* GetRenderTarget( void );
|
|
|
|
// state management functions
|
|
void SetRenderState( DWORD dwState, DWORD dwValue );
|
|
void SetTextureStageState( DWORD dwStage, DWORD dwStageState, DWORD dwValue );
|
|
void SceneCapture( DWORD dwFlags );
|
|
|
|
// texture management functions
|
|
BOOL TextureCreate ( LPD3DTEXTUREHANDLE phTex, RDSurface2D** ppTexture );
|
|
BOOL TextureDestroy ( D3DTEXTUREHANDLE hTex );
|
|
DWORD TextureGetSurf( D3DTEXTUREHANDLE hTex );
|
|
|
|
// rendering functions
|
|
HRESULT Clear(LPD3DHAL_DP2COMMAND pCmd);
|
|
HRESULT BeginRendering( void );
|
|
HRESULT EndRendering( void );
|
|
|
|
HRESULT UpdateRastState( void );
|
|
DWORD m_dwRastFlags; // rasterizer-core specific flags
|
|
#define RDRF_MULTISAMPLE_CHANGED (1L<<0)
|
|
#define RDRF_PIXELSHADER_CHANGED (1L<<1)
|
|
#define RDRF_LEGACYPIXELSHADER_CHANGED (1L<<2)
|
|
#define RDRF_TEXTURESTAGESTATE_CHANGED (1L<<3)
|
|
|
|
|
|
// Method to convert FVF vertices into the internal RDVertex. Used for
|
|
// TLVertex rendering and legacy driver models.
|
|
void FvfToRDVertex( PUINT8 pVtx, GArrayT<RDVertex>& dstArray, DWORD dwFvf,
|
|
DWORD dwStride, UINT cVertices );
|
|
|
|
// Rasterizer functions
|
|
void DrawPoint( RDVertex* pvV0 );
|
|
void DrawLine( RDVertex* pvV0, RDVertex* pvV1, RDVertex* pvVFlat = NULL );
|
|
void DrawTriangle( RDVertex* pvV0, RDVertex* pvV1, RDVertex* pvV2,
|
|
WORD wFlags = D3DTRIFLAG_EDGEENABLETRIANGLE );
|
|
|
|
HRESULT DrawOnePrimitive( GArrayT<RDVertex>& VtxArray,
|
|
DWORD dwStartVertex,
|
|
D3DPRIMITIVETYPE PrimType,
|
|
UINT cVertices );
|
|
HRESULT DrawOneIndexedPrimitive( GArrayT<RDVertex>& VtxArray,
|
|
int StartVertexIndex,
|
|
LPWORD pIndices,
|
|
DWORD StartIndex,
|
|
UINT cIndices,
|
|
D3DPRIMITIVETYPE PrimType );
|
|
HRESULT DrawOneIndexedPrimitive( GArrayT<RDVertex>& VtxArray,
|
|
int StartVertexIndex,
|
|
LPDWORD pIndices,
|
|
DWORD StartIndex,
|
|
UINT cIndices,
|
|
D3DPRIMITIVETYPE PrimType );
|
|
HRESULT DrawOneEdgeFlagTriangleFan( GArrayT<RDVertex>& VtxArray,
|
|
UINT cVertices,
|
|
UINT32 dwEdgeFlags );
|
|
|
|
//
|
|
// these are used to facilitate the way refdev is used in the D3D runtime
|
|
//
|
|
// functions to manipulate current set of texture
|
|
int GetCurrentTextureMaps( D3DTEXTUREHANDLE* phTex, RDSurface2D** pTex );
|
|
BOOL SetTextureMap( D3DTEXTUREHANDLE hTex, RDSurface2D* pTex );
|
|
|
|
//
|
|
// T&L Hal specific functions
|
|
//
|
|
|
|
HRESULT ProcessPrimitive( D3DPRIMITIVETYPE primType,
|
|
DWORD dwStartVertex,// Index of the start vertex
|
|
DWORD cVertices,
|
|
DWORD dwStartIndex,
|
|
DWORD cIndices );
|
|
HRESULT ProcessPrimitiveVVM( D3DPRIMITIVETYPE primType,
|
|
DWORD dwStartVertex,
|
|
DWORD cVertices,
|
|
DWORD dwStartIndex,
|
|
DWORD cIndices );
|
|
HRESULT ProcessBSpline( DWORD dwOffW, DWORD dwOffH,
|
|
DWORD dwWidth, DWORD dwHeight,
|
|
DWORD dwStride, DWORD order,
|
|
FLOAT *pPrimSegments);
|
|
HRESULT ProcessBezier ( DWORD dwOffW, DWORD dwOffH,
|
|
DWORD dwWidth, DWORD dwHeight,
|
|
DWORD dwStride, DWORD order,
|
|
FLOAT *pPrimSegments,
|
|
bool bDegenerate );
|
|
HRESULT ProcessCatRomSpline ( DWORD dwOffW, DWORD dwOffH,
|
|
DWORD dwWidth, DWORD dwHeight,
|
|
DWORD dwStride,
|
|
FLOAT *pPrimSegments);
|
|
HRESULT ProcessTessPrimitive( LPD3DHAL_DP2DRAWPRIMITIVE pDP );
|
|
HRESULT ProcessTessIndexedPrimitive( LPD3DHAL_DP2DRAWINDEXEDPRIMITIVE pDP );
|
|
HRESULT DrawTessQuad( const RDBSpline &Surf, DWORD dwOffW, DWORD dwOffH, DWORD dwStride,
|
|
const unsigned *m, const unsigned *n,
|
|
double u0, double v0, double u1, double v1,
|
|
double tu0, double tv0, double tu1, double tv1,
|
|
bool bDegenerate );
|
|
HRESULT DrawTessTri( const RDBSpline &Surf, DWORD dwOffW, DWORD dwOffH, DWORD dwStride,
|
|
const unsigned *m, const unsigned *n,
|
|
double u0, double v0, double u1, double v1, double u2, double v2,
|
|
double tu0, double tv0, double tu1, double tv1, double tu2, double tv2,
|
|
bool bDegenerate0, bool bDegenerate1, bool bDegenerate2 );
|
|
HRESULT DrawNPatch( const RDNPatch &Patch, DWORD dwStride,
|
|
const unsigned *m, const unsigned *n, unsigned segs );
|
|
|
|
HRESULT ConvertLinearTriBezierToRectBezier(DWORD dwDataType, const BYTE *B, DWORD dwStride, BYTE *Q);
|
|
HRESULT ConvertCubicTriBezierToRectBezier(DWORD dwDataType, const BYTE *B, DWORD dwStride, BYTE *Q);
|
|
HRESULT ConvertQuinticTriBezierToRectBezier(DWORD dwDataType, const BYTE *B, DWORD dwStride, BYTE *Q);
|
|
|
|
HRESULT SetupStrides();
|
|
HRESULT UpdateTLState();
|
|
HRESULT UpdateClipper();
|
|
|
|
HRESULT DrawDX8Prim( LPD3DHAL_DP2DRAWPRIMITIVE pDP );
|
|
HRESULT DrawDX8Prim2( LPD3DHAL_DP2DRAWPRIMITIVE2 pDP );
|
|
HRESULT DrawRectPatch( LPD3DHAL_DP2DRAWRECTPATCH pDP );
|
|
HRESULT DrawTriPatch( LPD3DHAL_DP2DRAWTRIPATCH pDP );
|
|
HRESULT DrawDX8IndexedPrim( LPD3DHAL_DP2DRAWINDEXEDPRIMITIVE pDIP );
|
|
HRESULT DrawDX8IndexedPrim2( LPD3DHAL_DP2DRAWINDEXEDPRIMITIVE2 pDIP );
|
|
HRESULT DrawDX8ClippedTriFan( LPD3DHAL_CLIPPEDTRIANGLEFAN pDIP );
|
|
|
|
inline RDVStream& GetVStream( DWORD index )
|
|
{
|
|
return m_VStream[index];
|
|
}
|
|
|
|
inline HRESULT GrowTLVArray( DWORD dwNumVerts )
|
|
{
|
|
return m_TLVArray.Grow( dwNumVerts );
|
|
}
|
|
|
|
inline GArrayT<RDVertex>& GetTLVArray()
|
|
{
|
|
return m_TLVArray;
|
|
}
|
|
|
|
private:
|
|
///////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// internal state and methods
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////
|
|
|
|
//-------------------------------------------------------------------------
|
|
// Embedded Objects
|
|
//-------------------------------------------------------------------------
|
|
RefVP m_RefVP; // The fixed function T&L object
|
|
RefVM m_RefVM; // The programmable vertex machine object
|
|
RefClipper m_Clipper; // Clipper object
|
|
|
|
RefRast m_Rast; // Rasterizer object
|
|
|
|
//-------------------------------------------------------------------------
|
|
// state
|
|
//-------------------------------------------------------------------------
|
|
|
|
// Caps struct, potentially modified from static caps settings. Ref code
|
|
// will behave according to settings of some of the caps in this struct.
|
|
D3DCAPS8 m_Caps8;
|
|
|
|
// DDraw Local, needed for the new texture handles from DX7 onwards
|
|
LPDDRAWI_DIRECTDRAW_LCL m_pDDLcl;
|
|
|
|
// This is obtained from CONTEXTCREATE->ddrval, indicates
|
|
// what kind of emulation (DX3, DX5, DX6 or DX7) the driver should do.
|
|
RDDDITYPE m_dwDDIType;
|
|
|
|
// This is obtained from CONTEXTCREATE->dwhContext, indicates
|
|
// which D3D Device interface called the driver.
|
|
DWORD m_dwInterfaceType;
|
|
|
|
// save area for floating point unit control
|
|
WORD m_wSaveFP;
|
|
|
|
// TRUE if in begin/end primitive sequence
|
|
BOOL m_bInBegin;
|
|
|
|
// TRUE if in rendering point sprite triangles
|
|
BOOL m_bPointSprite;
|
|
|
|
// render target (color & Z buffer)
|
|
RDRenderTarget* m_pRenderTarget;
|
|
FLOAT m_fWBufferNorm[2]; // { Wnear, 1/(Wfar-Wnear) } to normalize W buffer value
|
|
|
|
// D3D renderstate
|
|
union
|
|
{
|
|
DWORD m_dwRenderState[D3DHAL_MAX_RSTATES];
|
|
FLOAT m_fRenderState[D3DHAL_MAX_RSTATES];
|
|
};
|
|
|
|
// State Override flags
|
|
RRSTATEOVERRIDES m_renderstate_override;
|
|
|
|
// Palette handles
|
|
GArrayT<RDPaletteHandle> m_PaletteHandleArray;
|
|
|
|
// texture state - per-stage state and pointer to associated texture
|
|
int m_cActiveTextureStages; // count of active texture stages (range 0..D3DHAL_TSS_MAXSTAGES)
|
|
DWORD m_ReferencedTexCoordMask; // which texture coordinate sets are referenced
|
|
RDSurface2D* m_pTexture[D3DHAL_TSS_MAXSTAGES]; // texture maps associated with texture stages
|
|
union
|
|
{
|
|
DWORD m_dwTextureStageState[D3DHAL_TSS_MAXSTAGES][D3DTSS_MAX]; // state array (unsigned)
|
|
FLOAT m_fTextureStageState[D3DHAL_TSS_MAXSTAGES][D3DTSS_MAX]; // state array (float)
|
|
RDTextureStageState m_TextureStageState[D3DHAL_TSS_MAXSTAGES];
|
|
};
|
|
DWORD* m_pTextureStageState[D3DHAL_TSS_MAXSTAGES]; // to speed GetTSS
|
|
|
|
BOOL m_bOverrideTCI;
|
|
DWORD m_dwTexArrayLength;
|
|
|
|
// Vertex and Index streams
|
|
// The extra VStream is for the Tesselator generated data.
|
|
RDVStream m_VStream[RD_MAX_NUMSTREAMS + 1];
|
|
RDIStream m_IndexStream;
|
|
|
|
// Buffer to store transformed vertices
|
|
GArrayT<RDVertex> m_TLVArray;
|
|
|
|
// Vertex shader state
|
|
GArrayT<RDVShaderHandle> m_VShaderHandleArray;
|
|
RDVShader m_FVFShader; // Declaration for the legacy (FVF)
|
|
// shader
|
|
DWORD m_CurrentVShaderHandle;
|
|
RDVShader* m_pCurrentVShader;
|
|
UINT64 m_qwFVFOut; // Desired FVF for the output
|
|
// vertices
|
|
|
|
// Coefficient storage for HOS
|
|
GArrayT<RDHOCoeffs> m_HOSCoeffs;
|
|
|
|
// Primitive information
|
|
D3DPRIMITIVETYPE m_primType; // Current primitive being drawn
|
|
DWORD m_dwNumVertices; // Number of vertices to process
|
|
DWORD m_dwStartVertex;
|
|
DWORD m_dwNumIndices;
|
|
DWORD m_dwStartIndex;
|
|
|
|
// Last state
|
|
DWORD m_LastState;
|
|
|
|
// Array of StateSets, which are in turn implemented with TemplArray as
|
|
// TemplArray<UINT8> StateSetData
|
|
TemplArray<LPStateSetData> m_pStateSets;
|
|
|
|
// pixel shader state
|
|
DWORD m_CurrentPShaderHandle;
|
|
GArrayT<RDPShaderHandle> m_PShaderHandleArray;
|
|
|
|
// Buffer used to process clear rects
|
|
GArrayT<BYTE> m_ClearRectBuffer;
|
|
|
|
//-------------------------------------------------------------------------
|
|
// methods
|
|
//-------------------------------------------------------------------------
|
|
|
|
// refrasti.cpp
|
|
HRESULT GrowTexArray( DWORD dwHandle );
|
|
HRESULT SetTextureHandle( int iStage, DWORD dwHandle );
|
|
void MapTextureHandleToDevice( int iStage );
|
|
void UpdateActiveTexStageCount( void );
|
|
RDSurface2D* MapHandleToTexture( D3DTEXTUREHANDLE hTex );
|
|
|
|
// MapLegcy.cpp
|
|
void MapLegacyTextureBlend( void );
|
|
void MapLegacyTextureFilter( void );
|
|
|
|
// primfns.cpp
|
|
HRESULT GrowLightArray(const DWORD dwIndex);
|
|
|
|
// pixel shader handle manipulation
|
|
inline RDPShader* GetPShader( DWORD dwHandle )
|
|
{
|
|
if( m_PShaderHandleArray.IsValidIndex( dwHandle ) )
|
|
return m_PShaderHandleArray[dwHandle].m_pShader;
|
|
return NULL;
|
|
}
|
|
|
|
// drawgrid.cpp
|
|
HRESULT LinkTessellatorOutput();
|
|
HRESULT LinkCachedTessellatorOutput(DWORD Handle, BYTE **pTempData);
|
|
void UnlinkTessellatorOutput();
|
|
void UnlinkCachedTessellatorOutput(BYTE **pTempData);
|
|
|
|
public:
|
|
///////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// methods used by refdev objects to get at device state
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////
|
|
inline DWORD* GetRS( void ) { return m_dwRenderState; }
|
|
inline FLOAT* GetRSf( void ) { return m_fRenderState; }
|
|
inline DWORD* GetTSS( DWORD Stage ) { return m_pTextureStageState[Stage]; }
|
|
inline FLOAT* GetTSSf( DWORD Stage ) { return (FLOAT*)m_pTextureStageState[Stage]; }
|
|
inline BOOL ColorKeyEnabled( void )
|
|
{
|
|
return
|
|
m_dwRenderState[D3DRENDERSTATE_COLORKEYENABLE] ||
|
|
m_dwRenderState[D3DRENDERSTATE_COLORKEYBLENDENABLE];
|
|
}
|
|
|
|
inline D3DCAPS8* GetCaps8( void ) { return &m_Caps8; }
|
|
};
|
|
|
|
//-------------------------------------------------------------------------
|
|
// DXTn compressed texture formats
|
|
//-------------------------------------------------------------------------
|
|
// number of DXT compression formats
|
|
#define NUM_DXT_FORMATS 5
|
|
// number of pixels in block
|
|
#define DXT_BLOCK_PIXELS 16
|
|
|
|
// DXT block size array
|
|
extern int g_DXTBlkSize[];
|
|
|
|
typedef struct {
|
|
BYTE rgba[4];
|
|
} DXT_COLOR;
|
|
|
|
typedef WORD RGB565; // packed color
|
|
typedef DWORD PIXBM; // 2 BPP bitmap
|
|
|
|
|
|
typedef struct {
|
|
RGB565 rgb0; // color for index 0
|
|
RGB565 rgb1; // color for index 1
|
|
PIXBM pixbm; // pixel bitmap
|
|
} DXTBlockRGB;
|
|
|
|
typedef struct {
|
|
WORD alphabm[4]; // alpha bitmap at 4 BPP
|
|
DXTBlockRGB rgb; // color block
|
|
} DXTBlockAlpha4;
|
|
|
|
typedef struct {
|
|
BYTE alpha0; // alpha for index 0
|
|
BYTE alpha1; // alpha for index 1
|
|
BYTE alphabm[6]; // alpha bitmap at 3 BPP
|
|
DXTBlockRGB rgb; // color block
|
|
} DXTBlockAlpha3;
|
|
|
|
void DecodeBlockRGB (DXTBlockRGB *pblockSrc,
|
|
DXT_COLOR colorDst[DXT_BLOCK_PIXELS]);
|
|
void DecodeBlockAlpha4(DXTBlockAlpha4 *pblockSrc,
|
|
DXT_COLOR colorDst[DXT_BLOCK_PIXELS]);
|
|
void DecodeBlockAlpha3(DXTBlockAlpha3 *pblockSrc,
|
|
DXT_COLOR colorDst[DXT_BLOCK_PIXELS]);
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
#endif // _REFDEV_HPP
|