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JurassicParkTrespasser/jp2_pc/Source/Lib/Renderer/D3d/ScreenRenderD3D.cpp
Ian Brun 946b2a4943 Initial commit
2018-01-01 23:07:24 +01:00

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/***********************************************************************************************
*
* Copyright © DreamWorks Interactive. 1996
*
* Direct3D implementation of ScreenRender.hpp
*
* Bugs:
* In ramp model, the specular colour shows up much too large...if the material has a
* specular component, then there's white when the diffuse lighting is large, even if
* there's no specular lighting.
*
* To do:
* DirectDraw driver must be selected w/regard to 3D caps.
* Main screen must be created under driver control.
* If driver can only work in video mem, we need to indicate that.
* Our rasteriser must be able to take a predeclared Z buffer of arbitrary depth.
* Figure out Z buffer format, figure out whether we can access surfaces on cards.
*
* Experiment with D3D doing: Transform, Lighting, Clipping, Rasterising.
* Figure out how big to make ex buffer, how to manage it.
* Incorporate render options into trianges.
* Figure out how to change state optimally.
*
* Store specular shading correctly; fog also; store full RGB shading if supported.
* Determine proper culling order for renderer.
* Determine *all* driver caps, and integrate them with render options.
* Should alpha values be set??? Where is alpha turned on or off?
* Incorporate max execute buffer size/vertex count.
*
* Change CD3DVidTextureList to a map or priority queue.
* Make D3DMaterials incorporate solid colours when solid rendering.
*
***********************************************************************************************
*
* $Log:: /JP2_PC/Source/Lib/Renderer/D3d/ScreenRenderD3D.cpp $
*
* 28 97/06/23 20:31 Speter
* Made gcfScreen a static member of CScreenRender.
*
* 27 97-04-04 12:38 Speter
* A big change: now pipeline uses CRenderPolygon rather than SRenderTriangle (currently always
* as a triangle). Changed associated variable names and comments.
*
* 26 97-04-02 12:48 Speter
* Updated for new render settings.
*
* 25 97/02/21 15:21 Speter
* Removed fZ from SRenderVertex. Removed f_zadjust param from DrawTriangles(). Moved
* prasScreen to CScreenRender from derived classes.
*
* 24 97/01/20 11:50 Speter
* Moved pixBackground and gcfScreen vars from CScreenRender to derived classes. Added erfCOPY
* to default settings.
*
* 23 97/01/16 11:53 Speter
* Many changes for new CScreenRender class. Replaced seterfModify and seterfDefault values
* with constant values and access functions.
*
* 22 97/01/10 17:59 Speter
* Moved prasZBuffer from CScreenRender base class to derived classes that need it.
*
* 21 1/08/97 7:45p Pkeet
* Replaced the 'NonConst' macro. Used a reference cast in the new operator for 'D3DExBuf' to
* prevent a compiler error under Visual C++ 5.0.
*
* 20 97/01/07 11:17 Speter
* Changed to new rptr_new macro, and new rptr_dynamic_cast functionality.
*
*
* 19 96/12/31 16:58 Speter
* Updated for rptr.
*
* 18 96/12/06 15:16 Speter
* BeginFrame() now clears background.
*
* 17 96/12/02 17:50 Speter
* Changed ValidateRenderState() call to CheckRenderState().
*
* 16 96/11/27 19:32 Speter
* Updated for change to CCom: ptCom member changed to ptPtr.
*
* 15 11/19/96 7:02p Pkeet
* Added the 'fZAdjust' parameter.
*
* 14 96/10/22 11:12 Speter
* Added include for <list.h>, necessary due to new Entity includes.
*
* 13 96/10/14 15:41 Speter
* Updated for change in CRaster. ppalAttached is now in pxf.
*
* 12 96/10/04 18:00 Speter
* Removed CSet<ERenderFeature> param from DrawTriangles.
*
* 11 96/09/27 11:31 Speter
* Oops. Changed <float> in geometry types to <>.
*
* 10 96/09/23 17:09 Speter
* Updated for replacement of two D3DDEVICEDESCs with one.
* No longer lock raster surfaces in BeginFrame and EndFrame.
*
* 9 96/09/12 16:26 Speter
* Incorporated new TReflectVal usage.
*
* 8 96/09/09 18:10 Speter
* Made specular hilites work (at least for RGB model).
* Added call to ValidateRenderState().
*
* 7 96/09/05 11:51 Speter
* Implemented seterfState and seterfModify handling.
* Added checks to allow it to work w/o Z buffer.
* Fixed bug by setting v2Scale to unity when no texture in VidTexture.
* First pass at specular support.
*
* 6 96/08/20 14:34 Speter
* Created CD3DVidTexture class, and associated classes. Now manage textures in a rudimentary
* texture list.
*
* 5 96/08/19 16:05 Speter
* Now checks D3D.bValid before adding any drivers to the list.
*
* 4 96/08/19 13:08 Speter
* Added interface for CRenderDesc.
* Changed prasScreen to prasvScreen.
* Added prasvZBuffer member.
* Added destructor, cleaning up objects.
* Moved to do's etc. up to top of file.
* Removed dummy code.
*
* 3 96/08/15 18:39 Speter
* Got textures working.
* Moved Lock() and Unlock() into Begin/EndFrame().
* Added more comments/questions.
*
* 2 96/08/14 11:35 Speter
* Added much functionality, now draws untextured polys.
* Changed prefixes, added classes and functions, added many comments.
*
* 1 96/08/09 11:02 Speter
* New files which implement CScreenRender for D3D.
*
**********************************************************************************************/
#include "Common.hpp"
#include "D3D.hpp"
#include "Lib/View/RasterVid.hpp"
#include "../ScreenRender.hpp"
#include <list.h>
/*
Class name: CD3DDevice int void
Current:
Prefix: d3ddev i
Global: d3ddevMain iCount Func()
Class: d3ddevDev iCount Func()
Local: d3ddev_cur i_count
d3ddev i
New:
Prefix: d3d_dev i
Global: D3DDevMain ICount Func()
Class: D3DDev_Dev I_Count _Func()
D3DDev I
Local: d3d_dev_cur i_count
d3d_dev i
*/
/*
class CD3DDevice: public CCom<IDirect3DDevice>
{
public:
CD3DDevice()
{
}
CD3DDevice(CDDSurface* pDDSurface, GUID* pGUID)
{
Init(pDDSurface, pGUID);
}
void Init(CDDSurface* pDDSurface, GUID* pGUID)
{
D3D.err = pDDSurface->QueryInterface(pGUID, (void**)&ptPtr);
Assert(ptPtr);
}
};
class CD3DViewport: public CCom<IDirect3DViewport>
{
public:
CD3DViewport()
{
D3D.err = D3D_Main->CreateViewport(&ptPtr, 0);
Assert(ptPtr);
}
};
class CD3DTexture: public CCom<IDirect3DTexture>
{
public:
CD3DTexture()
: d3dhTex(0)
{
}
CD3DTexture(CRasterVid& rasv)
{
Init(rasv);
}
void Init(CRasterVid& rasv)
{
// Initialise the COM object from the DD Surface.
D3D.err = rasv.pddsDraw->QueryInterface(IID_IDirect3DTexture, (void**)&ptPtr);
}
};
*/
void Convert
(
D3DTLVERTEX* pd3d_tlvert,
const SRenderVertex& rv,
CVector2<> v2_scale // Texture coord scaling params.
)
{
Assert(bWithin(rv.v3Screen.tZ, 0.0, 1.0));
pd3d_tlvert->dvSX = rv.v3Screen.tX;
pd3d_tlvert->dvSY = rv.v3Screen.tY;
pd3d_tlvert->dvSZ = 1 / rv.v3Screen.tZ;
pd3d_tlvert->dvRHW = rv.v3Screen.tZ;
// Set the colour values. Since we have only intensity, we set grey colours.
// In D3D ramp mode, the blue component indicates intensity.
int i_shade, i_hilite;
if (rv.rvIntensity <= rvMAX_COLOURED)
{
i_shade = iFastPosFloatToInt(rv.rvIntensity / rvMAX_COLOURED * 255.9f);
i_hilite = 0;
}
else
{
i_shade = 255;
i_hilite = iFastPosFloatToInt((rv.rvIntensity - rvMAX_COLOURED) / (1 - rvMAX_COLOURED) * 255.9f);
}
pd3d_tlvert->dcColor = RGBA_MAKE(i_shade, i_shade, i_shade, 0);
pd3d_tlvert->dcSpecular = RGBA_MAKE(i_hilite, i_hilite, i_hilite, 0);
// Texture coordinates convert directly, as they are in [0,1] float range.
pd3d_tlvert->dvTU = rv.tcTex.tX * v2_scale.tX;
pd3d_tlvert->dvTV = rv.tcTex.tY * v2_scale.tY;
Assert(bWithin(pd3d_tlvert->dvTU, 0.0f, 1.0f));
Assert(bWithin(pd3d_tlvert->dvTV, 0.0f, 1.0f));
}
//**********************************************************************************************
//
class CD3DVidTexture
//
// Prefix: d3dvtex
//
// Contains all structures needed by D3D to render textures.
// Also works with textureless (solid) materials.
//
//**************************************
{
public:
rptr<CRasterVid> prasvSource; // Source texture raster.
CCom<IDirect3DTexture> d3dTextureSource; // D3D Texture interface for it.
rptr<CRasterVid> prasvVid; // Video memory texture raster.
CCom<IDirect3DTexture> d3dTextureVid; // Texture interface for it.
D3DTEXTUREHANDLE d3dhTexture; // Handle for video texture.
CD3DMaterial d3dmatTexture; // The material associated with the texture.
bool bLoaded; // Whether it's currently loaded.
CVector2<> v2Scale; // Scaling required for texture coordinates,
// due to possible difference in raster and
// surface sizes.
//******************************************************************************************
//
// Constructor and destructor.
//
CD3DVidTexture(rptr<CRasterVid> prasv_source, CCom<IDirect3DDevice> d3ddev)
{
prasvSource = prasv_source;
if (prasvSource)
{
// We have a texture raster.
Assert(prasvSource->pddsDraw);
// Create the source texture interface.
D3D.err = prasvSource->pddsDraw->QueryInterface(IID_IDirect3DTexture, (void**)&d3dTextureSource);
// Create the video texture.
prasvVid = rptr_new CRasterVid(prasvSource->iWidth, prasvSource->iHeight, prasvSource->iPixelBits,
Set(erasTexture) + erasVideoMem);
// Create an empty palette for the raster.
prasvVid->AttachPalette(prasvSource->pxf.ppalAttached);
// Create the video texture interface.
D3D.err = prasvVid->pddsDraw->QueryInterface(IID_IDirect3DTexture, (void**)&d3dTextureVid);
// Retrieve the video texture handle.
D3D.err = d3dTextureVid->GetHandle(d3ddev, &d3dhTexture);
//
// Set the scaling values.
//
CDDSize<DDSURFACEDESC> ddsd;
D3D.err = prasvVid->pddsDraw->GetSurfaceDesc(&ddsd);
v2Scale.tX = (float) prasvSource->iWidth / ddsd.dwWidth;
v2Scale.tY = (float) prasvSource->iHeight / ddsd.dwHeight;
bLoaded = false;
}
else
{
// Set null structure values.
d3dhTexture = 0;
bLoaded = true;
v2Scale.tX = v2Scale.tY = 1.0f;
}
// Create the material.
CDDSize<D3DMATERIAL> d3dmat_desc;
//
// D3D always modulates vertex colours with material colour.
// Therefore, since we've already calculated the *real* colour the vertex should be,
// we need a material with a white diffuse and specular colour.
//
d3dmat_desc.dwRampSize = 32;
d3dmat_desc.dcvDiffuse.dvR =
d3dmat_desc.dcvDiffuse.dvG =
d3dmat_desc.dcvDiffuse.dvB = (D3DVALUE)1;
d3dmat_desc.dcvSpecular = d3dmat_desc.dcvDiffuse;
d3dmat_desc.hTexture = d3dhTexture;
d3dmatTexture.Init(d3dmat_desc, d3ddev);
}
//******************************************************************************************
//
// Member functions.
//
bool bLoad()
{
if (!bLoaded)
//
// Load the source texture into the dest.
// You would think that the return value would indicate a specific error condition,
// such as being out of video memory, as in other DirectX return codes, but no.
// In Direct3D, return values are things like D3DERR_TEXTURE_LOAD_FAILED, which is
// useless. So we must simply return a sucess code from here, and assume that failure
// is due to lack of video memory.
//
bLoaded = d3dTextureVid->Load(d3dTextureSource) == 0;
return bLoaded;
}
bool bUnload()
{
if (!bLoaded || !d3dTextureVid)
return false;
D3D.err = d3dTextureVid->Unload();
bLoaded = false;
return true;
}
};
//**********************************************************************************************
//
class CD3DVidTextureList: public list<CD3DVidTexture*>
//
// lsd3dvtex
//
//**************************************
{
public:
//******************************************************************************************
//
// Destructor.
//
~CD3DVidTextureList()
{
// Delete all our VidTextures.
for (iterator it = begin(); it != end(); it++)
delete (*it);
}
//******************************************************************************************
//
// Member functions.
//
CD3DVidTexture* pd3dvtexLoad(rptr<CRasterVid> prasv_source, CCom<IDirect3DDevice> d3ddev)
{
CD3DVidTexture* pd3dvtex = 0;
// Search through the list a texture already using prasv_source.
for (iterator it = begin(); it != end(); it++)
{
if ((*it)->prasvSource == prasv_source)
{
pd3dvtex = *it;
break;
}
}
if (!pd3dvtex)
{
// Must add a vid texture to the list.
pd3dvtex = new CD3DVidTexture(prasv_source, d3ddev);
push_back(pd3dvtex);
}
// Now attempt to Load it.
while (!pd3dvtex->bLoad())
{
// We must unload something from the front of the list.
for (iterator it = begin(); it != end(); it++)
{
if ((*it)->bUnload())
break;
}
if (it == end())
// We reached end of list w/o unloading anything.
// I guess we can't load this texture.
return pd3dvtex;
}
return pd3dvtex;
}
};
//**********************************************************************************************
//
class CScreenRenderD3D: public CScreenRender
//
// Prefix: scrend3d
//
// Implementation of CScreenRender interface for Direct3D.
//
//**************************************
{
private:
rptr<CRasterVid> prasvScreen; // CRasterVid version of the main screen.
rptr<CRasterVid> prasvZBuffer; // CRasterVid version of the z-buffer.
CCom<IDirect3DDevice> D3DDevice; // The attached D3D device (driver).
CDirect3D::SDeviceDesc* pDeviceDesc; // The description of the device.
CCom<IDirect3DViewport> D3DViewport; // The D3D viewport.
CD3DExBuf D3DExBuf; // The execute buffer.
CD3DVidTextureList D3DVidTextureList; // The list of textures loaded.
CSet<ERenderFeature> seterf_Modify; // Which flags are modifiable.
CSet<ERenderFeature> seterf_Default; // Which flags are on by default.
CSet<ERenderFeature> seterfLast; // The last render state encountered.
// Settings derived from pSettings.
TPixel pixBackground; // The pixel corresponding to clrBackground.
public:
//******************************************************************************************
CScreenRenderD3D(SSettings* pscrenset, rptr<CRasterVid> prasv_screen, uint u_driver)
: CScreenRender(pscrenset, rptr_cast(CRaster, prasv_screen))
{
prasvScreen = prasv_screen;
pDeviceDesc = &D3D.sadevdList[u_driver];
// Create a D3DDevice attached to the surface.
D3D.err = prasvScreen->pddsDraw->QueryInterface
(
pDeviceDesc->Guid, // The device ID.
(void**)&D3DDevice // Put the device here.
);
Assert(D3DDevice);
// Create the Z buffer if supported.
uint u_depths = pDeviceDesc->d3ddevcap.dwDeviceZBufferBitDepth;
if (u_depths)
{
// Find the Z buffer bit depth from this driver's D3D device description
int i_depth;
if (u_depths & DDBD_32)
i_depth = 32;
else if (u_depths & DDBD_24)
i_depth = 24;
else if (u_depths & DDBD_16)
i_depth = 16;
else if (u_depths & DDBD_8)
i_depth = 8;
else
Assert(false);
prasvZBuffer = rptr_new CRasterVid
(
prasvScreen->iWidth, prasvScreen->iHeight, // Same dimensions as screen.
i_depth, // The required depth.
Set(erasZBuffer) + // Set the Z buffer flag.
// For hardware drivers, the Z-Buffer MUST be in video memory.
// (Otherwise, it MUST be in system memory).
Set(erasVideoMem) * pDeviceDesc->bIsHW
);
// Attach the Z-buffer to the draw buffer so D3D will find it.
D3D.err = prasvScreen->pddsDraw->AddAttachedSurface(prasvZBuffer->pddsDraw);
}
// Create the viewport.
D3D.err = D3D->CreateViewport(&D3DViewport, 0);
Assert(D3DViewport);
// Attach it to the device.
D3D.err = D3DDevice->AddViewport(D3DViewport);
// Initialise it.
CDDSize<D3DVIEWPORT> d3dvpdesc;
d3dvpdesc.dwWidth = prasvScreen->iWidth;
d3dvpdesc.dwHeight = prasvScreen->iHeight;
// Scaling does not apply to TLVERTICES, but set them to 1.0 just in case.
d3dvpdesc.dvScaleX = 1.0f;
d3dvpdesc.dvScaleY = 1.0f;
d3dvpdesc.dvMaxX = (D3DVALUE)(d3dvpdesc.dwWidth - 1);
d3dvpdesc.dvMaxY = (D3DVALUE)(d3dvpdesc.dwHeight - 1);
D3D.err = D3DViewport->SetViewport(&d3dvpdesc);
/*
// Create the background material for the viewport.
CCom<IDirect3DMaterial> d3d_material_bg;
CDDSize<D3DMATERIAL> d3d_material_desc;
D3DMATERIALHANDLE d3dhmat;
// Set ramp size to 1, and all colours 0. This makes everything black.
d3d_material_desc.dwRampSize = 1;
D3D.err = D3D->CreateMaterial(&d3d_material_bg, 0);
D3D.err = d3d_material_bg->SetMaterial(&d3d_material_desc);
D3D.err = d3d_material_bg->GetHandle(D3DDevice, &d3dhmat);
D3D.err = D3DViewport->SetBackground(d3dhmat);
*/
// Allocate the execute buffer. Make up some size for now.
D3DExBuf.Allocate(D3DDevice, 32*1024);
// Set seterfState to default.
seterf_Default[erfRASTER_CLIP] = 1;
// If culling is supported, assume it's on by default.
seterf_Default[erfRASTER_CULL] =
pDeviceDesc->d3ddevcap.dpcTriCaps.dwMiscCaps &
(D3DPMISCCAPS_CULLCCW | D3DPMISCCAPS_CULLCW);
seterf_Default[erfZ_BUFFER]
[erfZ_WRITE]
[erfZ_TEST] = prasvZBuffer != 0;
seterf_Default[erfCOPY] = 0;
seterf_Default[erfLIGHT] = 1;
seterf_Default[erfLIGHT_SHADE] = 1;
seterf_Default[erfFOG] = 0;
seterf_Default[erfFOG_SHADE] = 0;
seterf_Default[erfCOLOURED_LIGHTS] = pDeviceDesc->d3ddevcap.dcmColorModel == D3DCOLOR_RGB;
seterf_Default[erfTEXTURE] = 1;
seterf_Default[erfTRANSPARENT] = 0;
seterf_Default[erfBUMP] = 0;
seterf_Default[erfSUBPIXEL] = 0;
seterf_Default[erfPERSPECTIVE] = 0;
seterf_Default[erfDITHER] = 0;
seterf_Default[erfFILTER] = 0;
seterf_Default[erfFILTER_EDGES] = 0;
// Set seterf_Modify based on caps fields.
seterf_Modify[erfRASTER_CLIP] =
pDeviceDesc->d3ddevcap.dtcTransformCaps.dwCaps & D3DTRANSFORMCAPS_CLIP;
// && pDeviceDesc->d3ddevcap.bClipping;
// Set cull modifiable if both CULLNONE and another culling option are supported.
seterf_Modify[erfRASTER_CULL] =
pDeviceDesc->d3ddevcap.dpcTriCaps.dwMiscCaps &
(D3DPMISCCAPS_CULLCCW | D3DPMISCCAPS_CULLCW) &&
pDeviceDesc->d3ddevcap.dpcTriCaps.dwMiscCaps &
D3DPMISCCAPS_CULLNONE;
Assert(pDeviceDesc->d3ddevcap.dpcTriCaps.dwZCmpCaps & D3DPCMPCAPS_LESSEQUAL);
seterf_Modify[erfZ_BUFFER] = prasvZBuffer != 0;
seterf_Modify[erfZ_WRITE] =
pDeviceDesc->d3ddevcap.dpcTriCaps.dwMiscCaps & D3DPMISCCAPS_MASKZ;
seterf_Modify[erfZ_TEST] =
pDeviceDesc->d3ddevcap.dpcTriCaps.dwRasterCaps & D3DPRASTERCAPS_ZTEST;
seterf_Modify[erfCOPY] =
pDeviceDesc->d3ddevcap.dpcTriCaps.dwTextureBlendCaps &
D3DPTBLENDCAPS_COPY;
seterf_Modify[erfLIGHT] =
(pDeviceDesc->d3ddevcap.dpcTriCaps.dwTextureBlendCaps & D3DPTBLENDCAPS_MODULATE) &&
(pDeviceDesc->d3ddevcap.dpcTriCaps.dwShadeCaps &
(D3DPSHADECAPS_COLORFLATMONO | D3DPSHADECAPS_COLORFLATRGB));
seterf_Modify[erfLIGHT_SHADE] =
pDeviceDesc->d3ddevcap.dpcTriCaps.dwShadeCaps &
(D3DPSHADECAPS_COLORGOURAUDMONO | D3DPSHADECAPS_COLORGOURAUDRGB);
seterf_Modify[erfFOG] =
pDeviceDesc->d3ddevcap.dpcTriCaps.dwShadeCaps & D3DPSHADECAPS_FOGFLAT;
seterf_Modify[erfFOG_SHADE] =
pDeviceDesc->d3ddevcap.dpcTriCaps.dwShadeCaps & D3DPSHADECAPS_FOGGOURAUD;
seterf_Modify[erfCOLOURED_LIGHTS] =
(pDeviceDesc->d3ddevcap.dpcTriCaps.dwShadeCaps & D3DPSHADECAPS_COLORGOURAUDMONO) &&
(pDeviceDesc->d3ddevcap.dpcTriCaps.dwShadeCaps & D3DPSHADECAPS_COLORGOURAUDRGB);
seterf_Modify[erfSPECULAR] =
pDeviceDesc->d3ddevcap.dpcTriCaps.dwShadeCaps &
(D3DPSHADECAPS_SPECULARGOURAUDMONO | D3DPSHADECAPS_SPECULARGOURAUDRGB);
seterf_Modify[erfTEXTURE] =
pDeviceDesc->d3ddevcap.dwDevCaps &
(D3DDEVCAPS_TEXTURESYSTEMMEMORY | D3DDEVCAPS_TEXTUREVIDEOMEMORY);
seterf_Modify[erfTRANSPARENT] =
pDeviceDesc->d3ddevcap.dpcTriCaps.dwTextureCaps & D3DPTEXTURECAPS_TRANSPARENCY;
seterf_Modify[erfBUMP] = 0;
seterf_Modify[erfSUBPIXEL] =
pDeviceDesc->d3ddevcap.dpcTriCaps.dwRasterCaps & D3DPRASTERCAPS_SUBPIXEL;
seterf_Modify[erfPERSPECTIVE] =
pDeviceDesc->d3ddevcap.dpcTriCaps.dwTextureCaps & D3DPTEXTURECAPS_PERSPECTIVE;
seterf_Modify[erfDITHER] =
pDeviceDesc->d3ddevcap.dpcTriCaps.dwRasterCaps & D3DPRASTERCAPS_DITHER;
seterf_Modify[erfFILTER] =
pDeviceDesc->d3ddevcap.dpcTriCaps.dwTextureFilterCaps & D3DPTFILTERCAPS_LINEAR;
seterf_Modify[erfFILTER_EDGES] =
pDeviceDesc->d3ddevcap.dpcTriCaps.dwTextureCaps & D3DPTEXTURECAPS_BORDER;
}
//******************************************************************************************
~CScreenRenderD3D()
{
// Remove the attached Z-buffer.
if (prasvZBuffer)
{
D3D.err = prasvScreen->pddsDraw->DeleteAttachedSurface(0, prasvZBuffer->pddsDraw);
}
}
private:
//******************************************************************************************
//
// Member functions.
//
//******************************************************************************************
void FlushBuffer(uint u_vertices = 0)
{
if (D3DExBuf.uLen == 0)
// Empty.
return;
// Flush the execute buffer commands to the device
// (because we're done with the frame, or it's full).
D3DExBuf.Finish(u_vertices);
D3DExBuf.Execute(D3DViewport, D3DEXECUTE_CLIPPED);
// Check out the results.
CDDSize<D3DEXECUTEDATA> d3d_exdata;
D3DExBuf->GetExecuteData(&d3d_exdata);
}
//******************************************************************************************
//
// Overrides.
//
//******************************************************************************************
virtual CSet<ERenderFeature> seterfModify()
{
return seterf_Modify;
}
//******************************************************************************************
virtual CSet<ERenderFeature> seterfDefault()
{
return seterf_Default;
}
//******************************************************************************************
virtual void BeginFrame()
{
CorrectRenderState(pSettings->seterfState);
// Clear the Z buffer (only).
if (pSettings->seterfState[erfZ_BUFFER])
{
Assert(prasvZBuffer);
D3DRECT d3drect;
d3drect.x1 = d3drect.y1 = 0;
d3drect.x2 = prasvZBuffer->iWidth;
d3drect.y2 = prasvZBuffer->iHeight;
D3D.err = D3DViewport->Clear(1, &d3drect, D3DCLEAR_ZBUFFER);
// prasvZBuffer->Lock();
}
// Clear the screen.
if (pSettings->bClearBackground)
{
Assert(prasvScreen);
Assert(prasvScreen->pixFromColour(pSettings->clrBackground) == pixBackground);
prasvScreen->Clear(pixBackground);
}
// prasvScreen->Lock();
D3D.err = D3DDevice->BeginScene();
}
//******************************************************************************************
virtual void EndFrame()
{
D3D.err = D3DDevice->EndScene();
/*
prasvScreen->Unlock();
if (prasvZBuffer)
prasvZBuffer->Unlock();
*/
}
//******************************************************************************************
virtual void SetRenderState(CSet<ERenderFeature> seterf)
// Add state instructions to execute buffer.
{
// If there is no D3D Viewport, we must return because it is not required.
if (!D3DViewport)
return;
// To do: Light states.
// Put a STATERENDER op in the buffer.
// Remember its position, so we can fill in the count later.
SD3DInsStates* pd3dins = new((CMArray<char>&)D3DExBuf) SD3DInsStates(D3DOP_STATERENDER, 0);
D3DExBuf << SD3DState(D3DRENDERSTATE_CULLMODE,
seterf[erfRASTER_CULL] ?
// If we want software culling, then set CW if supported, else CCW.
(pDeviceDesc->d3ddevcap.dpcTriCaps.dwMiscCaps & D3DPMISCCAPS_CULLCW ?
D3DCULL_CCW : D3DCULL_CCW)
: D3DCULL_NONE);
// Z-buffer.
// To do: Figure out how to do Z write-only, if possible.
/*
D3DExBuf << SD3DState(D3DRENDERSTATE_ZFUNC,
D3DCMP_LESSEQUAL);
*/
D3DExBuf << SD3DState(D3DRENDERSTATE_ZENABLE,
!!seterf[erfZ_BUFFER]);
D3DExBuf << SD3DState(D3DRENDERSTATE_ZWRITEENABLE,
!!seterf[erfZ_WRITE]);
// Shading.
// To do: make first vertex contain average lighting.
D3DExBuf << SD3DState(D3DRENDERSTATE_SHADEMODE,
seterf[erfLIGHT_SHADE] ? D3DSHADE_GOURAUD : D3DSHADE_FLAT);
// To do: work out interaction w/ FOGFLAT, FOGGOURAUD caps.
D3DExBuf << SD3DState(D3DRENDERSTATE_FOGENABLE,
!!seterf[erfFOG]);
// To do:
// Figure out start and end.
// D3DExBuf << SD3DState(D3DRENDERSTATE_FOGCOLOR,
// Use default fog mode, start, and end.
/*
D3DExBuf << SD3DState(D3DRENDERSTATE_FOGTABLEMODE,
seterfState[erfFOG] ? D3DFOG_LINEAR : D3DFOG_NONE);
D3DExBuf << SD3DState(D3DRENDERSTATE_FOGTABLESTART,
1.0f);
D3DExBuf << SD3DState(D3DRENDERSTATE_FOGTABLEEND,
100.0f);
*/
// To do: coloured support in lighting.
D3DExBuf << SD3DState(D3DRENDERSTATE_MONOENABLE,
!seterf[erfCOLOURED_LIGHTS]);
D3DExBuf << SD3DState(D3DRENDERSTATE_SPECULARENABLE,
!seterf[erfSPECULAR]);
// Texture.
// To do: disable textures (enable solid colouring).
// To do: test transparencies. MODULATEMASK isn't it.
D3DExBuf << SD3DState(D3DRENDERSTATE_TEXTUREMAPBLEND,
seterf[erfCOPY] ?
D3DTBLEND_COPY
: seterf[erfTRANSPARENT] ?
D3DTBLEND_MODULATEMASK
:
D3DTBLEND_MODULATE);
D3DExBuf << SD3DState(D3DRENDERSTATE_SUBPIXEL,
!!seterf[erfSUBPIXEL]);
D3DExBuf << SD3DState(D3DRENDERSTATE_SUBPIXELX,
!!seterf[erfSUBPIXEL]);
D3DExBuf << SD3DState(D3DRENDERSTATE_TEXTUREPERSPECTIVE,
!!seterf[erfPERSPECTIVE]);
D3DExBuf << SD3DState(D3DRENDERSTATE_DITHERENABLE,
!!seterf[erfDITHER]);
// To do: add mip-mapping.
D3DExBuf << SD3DState(D3DRENDERSTATE_TEXTUREMIN,
seterf[erfFILTER] ? D3DFILTER_LINEAR : D3DFILTER_NEAREST);
D3DExBuf << SD3DState(D3DRENDERSTATE_TEXTUREMAG,
seterf[erfFILTER] ? D3DFILTER_LINEAR : D3DFILTER_NEAREST);
// To do: test this, see what the hell it does.
D3DExBuf << SD3DState(D3DRENDERSTATE_ANTIALIAS,
!!seterf[erfFILTER_EDGES]);
// Set the bloody count;
pd3dins->wCount = (SD3DState*) D3DExBuf.ptEnd() - (SD3DState*) (pd3dins+1);
// To do: create fill mode.
}
//******************************************************************************************
virtual void DrawPolygons
(
CPArray<CRenderPolygon> parpoly
)
{
if (parpoly.uLen == 0)
return;
// For now, assume one texture per object.
rptr<CRasterVid> prasv;
CD3DVidTexture* pd3dvtex = 0;
if (parpoly[0U].ptexTexture && parpoly[0U].ptexTexture->prasTexture)
prasv = rptr_dynamic_cast(CRasterVid, rptr_nonconst(parpoly[0U].ptexTexture->prasTexture));
// Load the material.
pd3dvtex = D3DVidTextureList.pd3dvtexLoad(prasv, D3DDevice);
// Start filling the Execute buffer.
D3DExBuf.Reset();
// First store the vertices.
D3DTLVERTEX* ad3dvertex = new((CMArray<char>&)D3DExBuf) D3DTLVERTEX[parv_vertices.uLen];
for (uint u = 0; u < parv_vertices.uLen; u++)
Convert(&ad3dvertex[u], parv_vertices[u], pd3dvtex->v2Scale);
//
// Now store all the instructions.
//
D3DExBuf << SD3DInsStates(D3DOP_STATELIGHT, 1);
D3DExBuf << SD3DState(D3DLIGHTSTATE_MATERIAL, pd3dvtex->d3dmatTexture.d3dHandle);
// The D3DOP_PROCESSVERTICES instruction is required, even though it just performs a COPY.
D3DExBuf << SD3DInsProcessVertices(
D3DPROCESSVERTICES_COPY | D3DPROCESSVERTICES_UPDATEEXTENTS,
0, parv_vertices.uLen);
// Validate state if necessary.
CorrectRenderState(pSettings->seterfState);
if (pSettings->seterfState ^ seterfLast)
{
SetRenderState(pSettings->seterfState);
seterfLast = pSettings->seterfState;
}
D3DExBuf << SD3DInsStates(D3DOP_STATERENDER, 1);
D3DExBuf << SD3DState(D3DRENDERSTATE_TEXTUREHANDLE,
pSettings->seterfState[erfTEXTURE] ? pd3dvtex->d3dhTexture : 0);
// A single triangle instruction, with the number of trianges we're drawing.
D3DExBuf.PutInsTriangles(parpoly.uLen);
for (CRenderPolygon* prpoly = parpoly; prpoly < parpoly.ptEnd(); prpoly++)
{
Assert(prpoly->ptexTexture == parpoly[0U].ptexTexture);
D3DExBuf << SD3DTriangle
(
// Convert RenderVertex pointers to indices.
// Pass in clockwise order.
prpoly->aprvVertices[2] - parv_vertices,
prpoly->aprvVertices[1] - parv_vertices,
prpoly->aprvVertices[0] - parv_vertices
);
}
D3DExBuf.Finish(parv_vertices.uLen);
/*
prasvScreen->Unlock();
if (prasvZBuffer)
prasvZBuffer->Unlock();
*/
D3DExBuf.Execute(D3DViewport, D3DEXECUTE_CLIPPED);
/*
prasvScreen->Lock();
if (prasvZBuffer)
prasvZBuffer->Lock();
*/
}
};
//**********************************************************************************************
//
class CRenderDescD3D: public CRenderDesc
//
//**************************************
{
private:
uint uDriver;
public:
//**********************************************************************************************
//
// Constructor.
//
//**********************************************************************************************
CRenderDescD3D(uint u_driver)
: CRenderDesc(D3D.sadevdList[u_driver].strName), uDriver(u_driver)
{
Assert(D3D.bValid);
}
//**********************************************************************************************
virtual CScreenRender* pScreenRenderCreate(SSettings* pscrenset, rptr<CRaster> pras_screen, rptr<CRaster> pras_zbuffer)
{
Assert(D3D.bValid);
// Not allowed to pass in an explicit z-buffer. And screen must be a CRasterVid.
Assert(!pras_zbuffer);
return new CScreenRenderD3D(pscrenset, rptr_dynamic_cast(CRasterVid, pras_screen), uDriver);
}
};
//**********************************************************************************************
//
void AddRenderDescD3D()
//
// Add RenderDescs for all available D3D drivers to sapRenderDesc.
//
//**************************************
{
// Ensure that the D3D var has been initialised.
InitPtr(pD3D);
if (!D3D.bValid)
{
//
// There is no Direct3D support.
// Don't add any CRenderDescs, and that should be the end of the story.
// Since all access to Direct3D is through the CRenderDesc and CScreenRender interfaces,
// we won't have to worry about anyone else thinking Direct3D exists.
//
return;
}
// Add all the drivers.
for (uint u = 0; u < D3D.sadevdList.uLen; u++)
sapRenderDesc << new CRenderDescD3D(u);
}
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