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qzdoom/src/win32/fb_d3d9.cpp
Randy Heit d502655866 - For hardware 2D, apply fixed colormaps when copying to video memory instead 
of doing it directly during the rendering, in order to improve visual
  fidelity for colormaps that aren't grayscale.


SVN r1866 (trunk)
2009-09-22 04:21:27 +00:00

3411 lines
84 KiB
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/*
** fb_d3d9.cpp
** Code to let ZDoom use Direct3D 9 as a simple framebuffer
**
**---------------------------------------------------------------------------
** Copyright 1998-2008 Randy Heit
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
** This file does _not_ implement hardware-acclerated 3D rendering. It is
** just a means of getting the pixel data to the screen in a more reliable
** method on modern hardware by copying the entire frame to a texture,
** drawing that to the screen, and presenting.
*/
// HEADER FILES ------------------------------------------------------------
#ifdef _DEBUG
#define D3D_DEBUG_INFO
#endif
#define DIRECT3D_VERSION 0x0900
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <d3d9.h>
#include <stdio.h>
#define USE_WINDOWS_DWORD
#include "doomtype.h"
#include "c_dispatch.h"
#include "templates.h"
#include "i_system.h"
#include "i_video.h"
#include "i_input.h"
#include "v_video.h"
#include "v_pfx.h"
#include "stats.h"
#include "doomerrors.h"
#include "r_main.h"
#include "r_translate.h"
#include "f_wipe.h"
#include "st_stuff.h"
#include "win32iface.h"
#include "doomstat.h"
#include "v_palette.h"
#include "w_wad.h"
// MACROS ------------------------------------------------------------------
// The number of points for the vertex buffer.
#define NUM_VERTS 10240
// The number of indices for the index buffer.
#define NUM_INDEXES ((NUM_VERTS * 6) / 4)
// The number of quads we can batch together.
#define MAX_QUAD_BATCH (NUM_INDEXES / 6)
// TYPES -------------------------------------------------------------------
IMPLEMENT_CLASS(D3DFB)
struct D3DFB::PackedTexture
{
D3DFB::PackingTexture *Owner;
PackedTexture *Next, **Prev;
// Pixels this image covers
RECT Area;
// Texture coordinates for this image
float Left, Top, Right, Bottom;
};
struct D3DFB::PackingTexture
{
PackingTexture(D3DFB *fb, int width, int height, D3DFORMAT format);
~PackingTexture();
PackedTexture *GetBestFit(int width, int height, int &area);
void AllocateImage(PackedTexture *box, int width, int height);
PackedTexture *AllocateBox();
void AddEmptyBox(int left, int top, int right, int bottom);
void FreeBox(PackedTexture *box);
PackingTexture *Next;
IDirect3DTexture9 *Tex;
D3DFORMAT Format;
PackedTexture *UsedList; // Boxes that contain images
PackedTexture *EmptyList; // Boxes that contain empty space
PackedTexture *FreeList; // Boxes that are just waiting to be used
int Width, Height;
bool OneUse;
};
class D3DTex : public FNativeTexture
{
public:
D3DTex(FTexture *tex, D3DFB *fb, bool wrapping);
~D3DTex();
FTexture *GameTex;
D3DFB::PackedTexture *Box;
D3DTex **Prev;
D3DTex *Next;
bool IsGray;
bool Create(D3DFB *fb, bool wrapping);
bool Update();
bool CheckWrapping(bool wrapping);
D3DFORMAT GetTexFormat();
FTextureFormat ToTexFmt(D3DFORMAT fmt);
};
class D3DPal : public FNativePalette
{
public:
D3DPal(FRemapTable *remap, D3DFB *fb);
~D3DPal();
D3DPal **Prev;
D3DPal *Next;
IDirect3DTexture9 *Tex;
D3DCOLOR BorderColor;
bool DoColorSkip;
bool Update();
FRemapTable *Remap;
int RoundedPaletteSize;
};
// Flags for a buffered quad
enum
{
BQF_GamePalette = 1,
BQF_CustomPalette = 7,
BQF_Paletted = 7,
BQF_Bilinear = 8,
BQF_WrapUV = 16,
BQF_InvertSource = 32,
BQF_DisableAlphaTest= 64,
BQF_Desaturated = 128,
};
// Shaders for a buffered quad
enum
{
BQS_PalTex,
BQS_Plain,
BQS_RedToAlpha,
BQS_ColorOnly,
BQS_SpecialColormap,
BQS_InGameColormap,
};
// EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
// PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
void DoBlending (const PalEntry *from, PalEntry *to, int count, int r, int g, int b, int a);
// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
// EXTERNAL DATA DECLARATIONS ----------------------------------------------
extern HWND Window;
extern IVideo *Video;
extern BOOL AppActive;
extern int SessionState;
extern bool VidResizing;
EXTERN_CVAR (Bool, fullscreen)
EXTERN_CVAR (Float, Gamma)
EXTERN_CVAR (Bool, vid_vsync)
EXTERN_CVAR (Float, transsouls)
EXTERN_CVAR (Int, vid_refreshrate)
extern IDirect3D9 *D3D;
extern cycle_t BlitCycles;
// PRIVATE DATA DEFINITIONS ------------------------------------------------
const char *const D3DFB::ShaderNames[D3DFB::NUM_SHADERS] =
{
"NormalColor.pso",
"NormalColorPal.pso",
"NormalColorInv.pso",
"NormalColorPalInv.pso",
"RedToAlpha.pso",
"RedToAlphaInv.pso",
"VertexColor.pso",
"SpecialColormap.pso",
"SpecialColorMapPal.pso",
"InGameColormap.pso",
"InGameColormapDesat.pso",
"InGameColormapInv.pso",
"InGameColormapInvDesat.pso",
"InGameColormapPal.pso",
"InGameColormapPalDesat.pso",
"InGameColormapPalInv.pso",
"InGameColormapPalInvDesat.pso",
"BurnWipe.pso",
"GammaCorrection.pso",
};
// PUBLIC DATA DEFINITIONS -------------------------------------------------
CUSTOM_CVAR(Bool, vid_hw2d, true, CVAR_NOINITCALL)
{
BorderNeedRefresh = SB_state = screen->GetPageCount();
}
CVAR(Int, d3d_showpacks, 0, 0)
CVAR(Bool, vid_hwaalines, true, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
// CODE --------------------------------------------------------------------
//==========================================================================
//
// D3DFB - Constructor
//
//==========================================================================
D3DFB::D3DFB (int width, int height, bool fullscreen)
: BaseWinFB (width, height)
{
D3DPRESENT_PARAMETERS d3dpp;
D3DDevice = NULL;
VertexBuffer = NULL;
IndexBuffer = NULL;
FBTexture = NULL;
TempRenderTexture = NULL;
InitialWipeScreen = NULL;
ScreenshotTexture = NULL;
ScreenshotSurface = NULL;
FinalWipeScreen = NULL;
PaletteTexture = NULL;
for (int i = 0; i < NUM_SHADERS; ++i)
{
Shaders[i] = NULL;
}
FBFormat = D3DFMT_UNKNOWN;
PalFormat = D3DFMT_UNKNOWN;
VSync = vid_vsync;
BlendingRect.left = 0;
BlendingRect.top = 0;
BlendingRect.right = FBWidth;
BlendingRect.bottom = FBHeight;
In2D = 0;
Palettes = NULL;
Textures = NULL;
Accel2D = true;
GatheringWipeScreen = false;
ScreenWipe = NULL;
InScene = false;
QuadExtra = new BufferedQuad[MAX_QUAD_BATCH];
Packs = NULL;
PixelDoubling = 0;
Gamma = 1.0;
FlashColor0 = 0;
FlashColor1 = 0xFFFFFFFF;
FlashColor = 0;
FlashAmount = 0;
NeedGammaUpdate = false;
NeedPalUpdate = false;
if (MemBuffer == NULL)
{
return;
}
memcpy(SourcePalette, GPalette.BaseColors, sizeof(PalEntry)*256);
Windowed = !(static_cast<Win32Video *>(Video)->GoFullscreen(fullscreen));
TrueHeight = height;
if (fullscreen)
{
for (Win32Video::ModeInfo *mode = static_cast<Win32Video *>(Video)->m_Modes; mode != NULL; mode = mode->next)
{
if (mode->width == Width && mode->height == Height)
{
TrueHeight = mode->realheight;
PixelDoubling = mode->doubling;
break;
}
}
}
// Offset from top of screen to top of letterboxed screen
LBOffsetI = (TrueHeight - Height) / 2;
LBOffset = float(LBOffsetI);
FillPresentParameters(&d3dpp, fullscreen, VSync);
HRESULT hr;
if (FAILED(hr = D3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, Window,
D3DCREATE_HARDWARE_VERTEXPROCESSING | D3DCREATE_FPU_PRESERVE, &d3dpp, &D3DDevice)))
{
if (FAILED(D3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, Window,
D3DCREATE_SOFTWARE_VERTEXPROCESSING | D3DCREATE_FPU_PRESERVE, &d3dpp, &D3DDevice)))
{
if (d3dpp.FullScreen_RefreshRateInHz != 0)
{
d3dpp.FullScreen_RefreshRateInHz = 0;
if (FAILED(hr = D3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, Window,
D3DCREATE_HARDWARE_VERTEXPROCESSING | D3DCREATE_FPU_PRESERVE, &d3dpp, &D3DDevice)))
{
if (FAILED(D3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, Window,
D3DCREATE_SOFTWARE_VERTEXPROCESSING | D3DCREATE_FPU_PRESERVE, &d3dpp, &D3DDevice)))
{
D3DDevice = NULL;
}
}
}
}
}
if (D3DDevice != NULL)
{
D3DADAPTER_IDENTIFIER9 adapter_id;
D3DDEVICE_CREATION_PARAMETERS create_params;
if (FAILED(hr = D3DDevice->GetDeviceCaps(&DeviceCaps)))
{
memset(&DeviceCaps, 0, sizeof(DeviceCaps));
}
if (SUCCEEDED(hr = D3DDevice->GetCreationParameters(&create_params)) &&
SUCCEEDED(hr = D3D->GetAdapterIdentifier(create_params.AdapterOrdinal, 0, &adapter_id)))
{
// NVidia's drivers lie, claiming they don't support
// antialiased lines when, really, they do.
if (adapter_id.VendorId == 0x10de)
{
DeviceCaps.LineCaps |= D3DLINECAPS_ANTIALIAS;
}
// I don't know about ATI's drivers. The only ATI device
// I have readily available to test with (a Mobility X300)
// really doesn't support them.
}
CreateResources();
SetInitialState();
}
}
//==========================================================================
//
// D3DFB - Destructor
//
//==========================================================================
D3DFB::~D3DFB ()
{
ReleaseResources();
SAFE_RELEASE( D3DDevice );
delete[] QuadExtra;
}
//==========================================================================
//
// D3DFB :: SetInitialState
//
// Called after initial device creation and reset, when everything is set
// to D3D's defaults.
//
//==========================================================================
void D3DFB::SetInitialState()
{
AlphaBlendEnabled = FALSE;
AlphaBlendOp = D3DBLENDOP_ADD;
AlphaSrcBlend = D3DBLEND(0);
AlphaDestBlend = D3DBLEND(0);
CurPixelShader = NULL;
memset(Constant, 0, sizeof(Constant));
Texture[0] = NULL;
Texture[1] = NULL;
D3DDevice->SetSamplerState(0, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP);
D3DDevice->SetSamplerState(0, D3DSAMP_ADDRESSV, D3DTADDRESS_CLAMP);
D3DDevice->SetSamplerState(1, D3DSAMP_ADDRESSU, SM14 ? D3DTADDRESS_BORDER : D3DTADDRESS_CLAMP);
D3DDevice->SetSamplerState(1, D3DSAMP_ADDRESSV, SM14 ? D3DTADDRESS_BORDER : D3DTADDRESS_CLAMP);
NeedGammaUpdate = true;
NeedPalUpdate = true;
OldRenderTarget = NULL;
if (!Windowed && SM14)
{
// Fix for Radeon 9000, possibly other R200s: When the device is
// reset, it resets the gamma ramp, but the driver apparently keeps a
// cached copy of the ramp that it doesn't update, so when
// SetGammaRamp is called later to handle the NeedGammaUpdate flag,
// it doesn't do anything, because the gamma ramp is the same as the
// one passed in the last call, even though the visible gamma ramp
// actually has changed.
//
// So here we force the gamma ramp to something absolutely horrible and
// trust that we will be able to properly set the gamma later when
// NeedGammaUpdate is handled.
D3DGAMMARAMP ramp;
memset(&ramp, 0, sizeof(ramp));
D3DDevice->SetGammaRamp(0, 0, &ramp);
}
// This constant is used for grayscaling weights (.xyz) and color inversion (.w)
float weights[4] = { 77/256.f, 143/256.f, 37/256.f, 1 };
D3DDevice->SetPixelShaderConstantF(PSCONST_Weights, weights, 1);
// D3DRS_ALPHATESTENABLE defaults to FALSE
// D3DRS_ALPHAREF defaults to 0
D3DDevice->SetRenderState(D3DRS_ALPHAFUNC, D3DCMP_NOTEQUAL);
AlphaTestEnabled = FALSE;
CurBorderColor = 0;
}
//==========================================================================
//
// D3DFB :: FillPresentParameters
//
//==========================================================================
void D3DFB::FillPresentParameters (D3DPRESENT_PARAMETERS *pp, bool fullscreen, bool vsync)
{
memset (pp, 0, sizeof(*pp));
pp->Windowed = !fullscreen;
pp->SwapEffect = D3DSWAPEFFECT_DISCARD;
pp->BackBufferWidth = Width << PixelDoubling;
pp->BackBufferHeight = TrueHeight << PixelDoubling;
pp->BackBufferFormat = fullscreen ? D3DFMT_A8R8G8B8 : D3DFMT_UNKNOWN;
pp->BackBufferCount = 1;
pp->hDeviceWindow = Window;
pp->PresentationInterval = vsync ? D3DPRESENT_INTERVAL_ONE : D3DPRESENT_INTERVAL_IMMEDIATE;
if (fullscreen)
{
pp->FullScreen_RefreshRateInHz = vid_refreshrate;
}
}
//==========================================================================
//
// D3DFB :: CreateResources
//
//==========================================================================
bool D3DFB::CreateResources()
{
Packs = NULL;
if (!Windowed)
{
// Remove the window border in fullscreen mode
SetWindowLong (Window, GWL_STYLE, WS_POPUP|WS_VISIBLE|WS_SYSMENU);
}
else
{
// Resize the window to match desired dimensions
int sizew = Width + GetSystemMetrics (SM_CXSIZEFRAME)*2;
int sizeh = Height + GetSystemMetrics (SM_CYSIZEFRAME) * 2 +
GetSystemMetrics (SM_CYCAPTION);
LOG2 ("Resize window to %dx%d\n", sizew, sizeh);
VidResizing = true;
// Make sure the window has a border in windowed mode
SetWindowLong(Window, GWL_STYLE, WS_VISIBLE|WS_OVERLAPPEDWINDOW);
if (GetWindowLong(Window, GWL_EXSTYLE) & WS_EX_TOPMOST)
{
// Direct3D 9 will apparently add WS_EX_TOPMOST to fullscreen windows,
// and removing it is a little tricky. Using SetWindowLongPtr to clear it
// will not do the trick, but sending the window behind everything will.
SetWindowPos(Window, HWND_BOTTOM, 0, 0, sizew, sizeh,
SWP_DRAWFRAME | SWP_NOCOPYBITS | SWP_NOMOVE);
SetWindowPos(Window, HWND_TOP, 0, 0, 0, 0, SWP_NOCOPYBITS | SWP_NOMOVE | SWP_NOSIZE);
}
else
{
SetWindowPos(Window, NULL, 0, 0, sizew, sizeh,
SWP_DRAWFRAME | SWP_NOCOPYBITS | SWP_NOMOVE | SWP_NOZORDER);
}
I_RestoreWindowedPos();
VidResizing = false;
}
if (!LoadShaders())
{
return false;
}
if (!CreateFBTexture() ||
!CreatePaletteTexture())
{
return false;
}
if (!CreateVertexes())
{
return false;
}
return true;
}
//==========================================================================
//
// D3DFB :: LoadShaders
//
// Returns true if all required shaders were loaded. (Gamma and burn wipe
// are the only ones not considered "required".)
//
//==========================================================================
bool D3DFB::LoadShaders()
{
static const char *const models[] = { "30/", "20/", "14/" };
FString shaderdir, shaderpath;
int model, i, lump;
// We determine the best available model simply by trying them all in
// order of decreasing preference.
for (model = 0; model < countof(models); ++model)
{
shaderdir = "shaders/d3d/sm";
shaderdir += models[model];
for (i = 0; i < NUM_SHADERS; ++i)
{
shaderpath = shaderdir;
shaderpath += ShaderNames[i];
lump = Wads.CheckNumForFullName(shaderpath);
if (lump >= 0)
{
FMemLump data = Wads.ReadLump(lump);
if (FAILED(D3DDevice->CreatePixelShader((DWORD *)data.GetMem(), &Shaders[i])) &&
i != SHADER_GammaCorrection && i != SHADER_BurnWipe)
{
break;
}
}
}
if (i == NUM_SHADERS)
{ // Success!
SM14 = (model == countof(models) - 1);
return true;
}
// Failure. Release whatever managed to load (which is probably nothing.)
for (i = 0; i < NUM_SHADERS; ++i)
{
SAFE_RELEASE( Shaders[i] );
}
}
return false;
}
//==========================================================================
//
// D3DFB :: ReleaseResources
//
//==========================================================================
void D3DFB::ReleaseResources ()
{
I_SaveWindowedPos ();
KillNativeTexs();
KillNativePals();
ReleaseDefaultPoolItems();
SAFE_RELEASE( ScreenshotSurface );
SAFE_RELEASE( ScreenshotTexture );
SAFE_RELEASE( PaletteTexture );
for (int i = 0; i < NUM_SHADERS; ++i)
{
SAFE_RELEASE( Shaders[i] );
}
if (ScreenWipe != NULL)
{
delete ScreenWipe;
ScreenWipe = NULL;
}
PackingTexture *pack, *next;
for (pack = Packs; pack != NULL; pack = next)
{
next = pack->Next;
delete pack;
}
GatheringWipeScreen = false;
}
//==========================================================================
//
// D3DFB :: ReleaseDefaultPoolItems
//
// Free resources created with D3DPOOL_DEFAULT.
//
//==========================================================================
void D3DFB::ReleaseDefaultPoolItems()
{
SAFE_RELEASE( FBTexture );
if (FinalWipeScreen != NULL)
{
if (FinalWipeScreen != TempRenderTexture)
{
FinalWipeScreen->Release();
}
FinalWipeScreen = NULL;
}
SAFE_RELEASE( TempRenderTexture );
SAFE_RELEASE( InitialWipeScreen );
SAFE_RELEASE( VertexBuffer );
SAFE_RELEASE( IndexBuffer );
}
//==========================================================================
//
// D3DFB :: Reset
//
//==========================================================================
bool D3DFB::Reset ()
{
D3DPRESENT_PARAMETERS d3dpp;
ReleaseDefaultPoolItems();
FillPresentParameters (&d3dpp, !Windowed, VSync);
if (!SUCCEEDED(D3DDevice->Reset (&d3dpp)))
{
if (d3dpp.FullScreen_RefreshRateInHz != 0)
{
d3dpp.FullScreen_RefreshRateInHz = 0;
if (!SUCCEEDED(D3DDevice->Reset (&d3dpp)))
{
return false;
}
}
else
{
return false;
}
}
LOG("Device was reset\n");
if (!CreateFBTexture() || !CreateVertexes())
{
return false;
}
SetInitialState();
return true;
}
//==========================================================================
//
// D3DFB :: KillNativePals
//
// Frees all native palettes.
//
//==========================================================================
void D3DFB::KillNativePals()
{
while (Palettes != NULL)
{
delete Palettes;
}
}
//==========================================================================
//
// D3DFB :: KillNativeTexs
//
// Frees all native textures.
//
//==========================================================================
void D3DFB::KillNativeTexs()
{
while (Textures != NULL)
{
delete Textures;
}
}
bool D3DFB::CreateFBTexture ()
{
if (FAILED(D3DDevice->CreateTexture (Width, Height, 1, D3DUSAGE_DYNAMIC, D3DFMT_L8, D3DPOOL_DEFAULT, &FBTexture, NULL)))
{
int pow2width, pow2height, i;
for (i = 1; i < Width; i <<= 1) {} pow2width = i;
for (i = 1; i < Height; i <<= 1) {} pow2height = i;
if (FAILED(D3DDevice->CreateTexture (pow2width, pow2height, 1, D3DUSAGE_DYNAMIC, D3DFMT_L8, D3DPOOL_DEFAULT, &FBTexture, NULL)))
{
return false;
}
else
{
FBWidth = pow2width;
FBHeight = pow2height;
}
}
else
{
FBWidth = Width;
FBHeight = Height;
}
if (FAILED(D3DDevice->CreateTexture (FBWidth, FBHeight, 1, D3DUSAGE_RENDERTARGET, D3DFMT_X8R8G8B8, D3DPOOL_DEFAULT, &TempRenderTexture, NULL)))
{
TempRenderTexture = NULL;
}
return true;
}
bool D3DFB::CreatePaletteTexture ()
{
if (FAILED(D3DDevice->CreateTexture (256, 1, 1, 0, D3DFMT_A8R8G8B8, D3DPOOL_MANAGED, &PaletteTexture, NULL)))
{
return false;
}
PalFormat = D3DFMT_A8R8G8B8;
return true;
}
bool D3DFB::CreateVertexes ()
{
VertexPos = -1;
IndexPos = -1;
QuadBatchPos = -1;
BatchType = BATCH_None;
if (FAILED(D3DDevice->CreateVertexBuffer(sizeof(FBVERTEX)*NUM_VERTS,
D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY, D3DFVF_FBVERTEX, D3DPOOL_DEFAULT, &VertexBuffer, NULL)))
{
return false;
}
if (FAILED(D3DDevice->CreateIndexBuffer(sizeof(WORD)*NUM_INDEXES,
D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY, D3DFMT_INDEX16, D3DPOOL_DEFAULT, &IndexBuffer, NULL)))
{
return false;
}
return true;
}
void D3DFB::CalcFullscreenCoords (FBVERTEX verts[4], bool viewarea_only, bool can_double, D3DCOLOR color0, D3DCOLOR color1) const
{
float offset = OldRenderTarget != NULL ? 0 : LBOffset;
float top = offset - 0.5f;
float texright = float(Width) / float(FBWidth);
float texbot = float(Height) / float(FBHeight);
float mxl, mxr, myt, myb, tmxl, tmxr, tmyt, tmyb;
if (viewarea_only)
{ // Just calculate vertices for the viewarea/BlendingRect
mxl = float(BlendingRect.left) - 0.5f;
mxr = float(BlendingRect.right) - 0.5f;
myt = float(BlendingRect.top) + top;
myb = float(BlendingRect.bottom) + top;
tmxl = float(BlendingRect.left) / float(Width) * texright;
tmxr = float(BlendingRect.right) / float(Width) * texright;
tmyt = float(BlendingRect.top) / float(Height) * texbot;
tmyb = float(BlendingRect.bottom) / float(Height) * texbot;
}
else
{ // Calculate vertices for the whole screen
mxl = -0.5f;
mxr = float(Width << (can_double ? PixelDoubling : 0)) - 0.5f;
myt = top;
myb = float(Height << (can_double ? PixelDoubling : 0)) + top;
tmxl = 0;
tmxr = texright;
tmyt = 0;
tmyb = texbot;
}
//{ mxl, myt, 0, 1, 0, 0xFFFFFFFF, tmxl, tmyt },
//{ mxr, myt, 0, 1, 0, 0xFFFFFFFF, tmxr, tmyt },
//{ mxr, myb, 0, 1, 0, 0xFFFFFFFF, tmxr, tmyb },
//{ mxl, myb, 0, 1, 0, 0xFFFFFFFF, tmxl, tmyb },
verts[0].x = mxl;
verts[0].y = myt;
verts[0].z = 0;
verts[0].rhw = 1;
verts[0].color0 = color0;
verts[0].color1 = color1;
verts[0].tu = tmxl;
verts[0].tv = tmyt;
verts[1].x = mxr;
verts[1].y = myt;
verts[1].z = 0;
verts[1].rhw = 1;
verts[1].color0 = color0;
verts[1].color1 = color1;
verts[1].tu = tmxr;
verts[1].tv = tmyt;
verts[2].x = mxr;
verts[2].y = myb;
verts[2].z = 0;
verts[2].rhw = 1;
verts[2].color0 = color0;
verts[2].color1 = color1;
verts[2].tu = tmxr;
verts[2].tv = tmyb;
verts[3].x = mxl;
verts[3].y = myb;
verts[3].z = 0;
verts[3].rhw = 1;
verts[3].color0 = color0;
verts[3].color1 = color1;
verts[3].tu = tmxl;
verts[3].tv = tmyb;
}
int D3DFB::GetPageCount ()
{
return 1;
}
void D3DFB::PaletteChanged ()
{
}
int D3DFB::QueryNewPalette ()
{
return 0;
}
bool D3DFB::IsValid ()
{
return D3DDevice != NULL;
}
HRESULT D3DFB::GetHR ()
{
return 0;
}
bool D3DFB::IsFullscreen ()
{
return !Windowed;
}
bool D3DFB::Lock ()
{
return Lock(true);
}
bool D3DFB::Lock (bool buffered)
{
if (LockCount++ > 0)
{
return false;
}
assert (!In2D);
Accel2D = vid_hw2d;
Buffer = MemBuffer;
return false;
}
void D3DFB::Unlock ()
{
LOG1 ("Unlock <%d>\n", LockCount);
if (LockCount == 0)
{
return;
}
if (UpdatePending && LockCount == 1)
{
Update ();
}
else if (--LockCount == 0)
{
Buffer = NULL;
}
}
// When In2D == 0: Copy buffer to screen and present
// When In2D == 1: Copy buffer to screen but do not present
// When In2D == 2: Set up for 2D drawing but do not draw anything
// When In2D == 3: Present and set In2D to 0
void D3DFB::Update ()
{
if (In2D == 3)
{
if (InScene)
{
DrawRateStuff();
DrawPackedTextures(d3d_showpacks);
EndBatch(); // Make sure all batched primitives are drawn.
DoWindowedGamma();
D3DDevice->EndScene();
D3DDevice->Present(NULL, NULL, NULL, NULL);
InScene = false;
}
In2D = 0;
return;
}
if (LockCount != 1)
{
I_FatalError ("Framebuffer must have exactly 1 lock to be updated");
if (LockCount > 0)
{
UpdatePending = true;
--LockCount;
}
return;
}
if (In2D == 0)
{
DrawRateStuff();
}
if (NeedGammaUpdate)
{
float psgamma[4];
float igamma;
NeedGammaUpdate = false;
igamma = 1 / Gamma;
if (!Windowed)
{
D3DGAMMARAMP ramp;
for (int i = 0; i < 256; ++i)
{
ramp.blue[i] = ramp.green[i] = ramp.red[i] = WORD(65535.f * powf(i / 255.f, igamma));
}
LOG("SetGammaRamp\n");
D3DDevice->SetGammaRamp(0, D3DSGR_CALIBRATE, &ramp);
}
psgamma[2] = psgamma[1] = psgamma[0] = igamma;
psgamma[3] = 1;
D3DDevice->SetPixelShaderConstantF(PSCONST_Gamma, psgamma, 1);
}
if (NeedPalUpdate)
{
UploadPalette();
}
BlitCycles.Reset();
BlitCycles.Clock();
LockCount = 0;
HRESULT hr = D3DDevice->TestCooperativeLevel();
if (FAILED(hr) && (hr != D3DERR_DEVICENOTRESET || !Reset()))
{
Sleep(1);
return;
}
Draw3DPart(In2D <= 1);
if (In2D == 0)
{
DoWindowedGamma();
D3DDevice->EndScene();
D3DDevice->Present(NULL, NULL, NULL, NULL);
InScene = false;
}
BlitCycles.Unclock();
//LOG1 ("cycles = %d\n", BlitCycles);
Buffer = NULL;
UpdatePending = false;
}
bool D3DFB::PaintToWindow ()
{
HRESULT hr;
if (LockCount != 0)
{
return false;
}
hr = D3DDevice->TestCooperativeLevel();
if (FAILED(hr))
{
if (hr != D3DERR_DEVICENOTRESET || !Reset())
{
Sleep (1);
return false;
}
}
Draw3DPart(true);
return true;
}
void D3DFB::Draw3DPart(bool copy3d)
{
if (copy3d)
{
RECT texrect = { 0, 0, Width, Height };
D3DLOCKED_RECT lockrect;
if ((FBWidth == Width && FBHeight == Height &&
SUCCEEDED(FBTexture->LockRect (0, &lockrect, NULL, D3DLOCK_DISCARD))) ||
SUCCEEDED(FBTexture->LockRect (0, &lockrect, &texrect, 0)))
{
if (lockrect.Pitch == Pitch)
{
memcpy (lockrect.pBits, MemBuffer, Width * Height);
}
else
{
BYTE *dest = (BYTE *)lockrect.pBits;
BYTE *src = MemBuffer;
for (int y = 0; y < Height; y++)
{
memcpy (dest, src, Width);
dest += lockrect.Pitch;
src += Pitch;
}
}
FBTexture->UnlockRect (0);
}
}
DrawLetterbox();
InScene = true;
D3DDevice->BeginScene();
D3DDevice->SetRenderState(D3DRS_ANTIALIASEDLINEENABLE, vid_hwaalines);
assert(OldRenderTarget == NULL);
if (TempRenderTexture != NULL &&
((Windowed && Shaders[SHADER_GammaCorrection] && TempRenderTexture != FinalWipeScreen) || GatheringWipeScreen || PixelDoubling))
{
IDirect3DSurface9 *targetsurf;
if (SUCCEEDED(TempRenderTexture->GetSurfaceLevel(0, &targetsurf)))
{
if (SUCCEEDED(D3DDevice->GetRenderTarget(0, &OldRenderTarget)))
{
if (FAILED(D3DDevice->SetRenderTarget(0, targetsurf)))
{
// Setting the render target failed.
}
}
targetsurf->Release();
}
}
SetTexture (0, FBTexture);
SetPaletteTexture(PaletteTexture, 256, BorderColor);
D3DDevice->SetFVF (D3DFVF_FBVERTEX);
memset(Constant, 0, sizeof(Constant));
SetAlphaBlend(D3DBLENDOP(0));
EnableAlphaTest(FALSE);
SetPixelShader(Shaders[SHADER_NormalColorPal]);
if (copy3d)
{
FBVERTEX verts[4];
D3DCOLOR color0, color1;
if (Accel2D)
{
if (realfixedcolormap == NULL)
{
color0 = 0;
color1 = 0xFFFFFFF;
}
else
{
color0 = D3DCOLOR_COLORVALUE(realfixedcolormap->ColorizeStart[0]/2,
realfixedcolormap->ColorizeStart[1]/2, realfixedcolormap->ColorizeStart[2]/2, 0);
color1 = D3DCOLOR_COLORVALUE(realfixedcolormap->ColorizeEnd[0]/2,
realfixedcolormap->ColorizeEnd[1]/2, realfixedcolormap->ColorizeEnd[2]/2, 1);
SetPixelShader(Shaders[SHADER_SpecialColormapPal]);
}
}
else
{
color0 = FlashColor0;
color1 = FlashColor1;
}
CalcFullscreenCoords(verts, Accel2D, false, color0, color1);
D3DDevice->DrawPrimitiveUP(D3DPT_TRIANGLEFAN, 2, verts, sizeof(FBVERTEX));
}
SetPixelShader(Shaders[SHADER_NormalColorPal]);
}
//==========================================================================
//
// D3DFB :: DrawLetterbox
//
// Draws the black bars at the top and bottom of the screen for letterboxed
// modes.
//
//==========================================================================
void D3DFB::DrawLetterbox()
{
if (LBOffsetI != 0)
{
D3DRECT rects[2] = { { 0, 0, Width, LBOffsetI }, { 0, Height + LBOffsetI, Width, TrueHeight } };
D3DDevice->Clear (2, rects, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0,0,0), 1.f, 0);
}
}
//==========================================================================
//
// D3DFB :: DoWindowedGamma
//
// Draws the render target texture to the real back buffer using a gamma-
// correcting pixel shader.
//
//==========================================================================
void D3DFB::DoWindowedGamma()
{
if (OldRenderTarget != NULL)
{
FBVERTEX verts[4];
CalcFullscreenCoords(verts, false, true, 0, 0xFFFFFFFF);
D3DDevice->SetRenderTarget(0, OldRenderTarget);
D3DDevice->SetFVF(D3DFVF_FBVERTEX);
SetTexture(0, TempRenderTexture);
SetPixelShader(Shaders[(Windowed && Shaders[SHADER_GammaCorrection]) ? SHADER_GammaCorrection : SHADER_NormalColor]);
SetAlphaBlend(D3DBLENDOP(0));
EnableAlphaTest(FALSE);
D3DDevice->DrawPrimitiveUP(D3DPT_TRIANGLEFAN, 2, verts, sizeof(FBVERTEX));
OldRenderTarget->Release();
OldRenderTarget = NULL;
}
}
void D3DFB::UploadPalette ()
{
D3DLOCKED_RECT lockrect;
if (SUCCEEDED(PaletteTexture->LockRect (0, &lockrect, NULL, 0)))
{
BYTE *pix = (BYTE *)lockrect.pBits;
int i, skipat;
// It is impossible to get the Radeon 9000 to do the proper palette
// lookup. It *will* skip at least one entry in the palette. So we
// let it and have it look at the texture border color for color 255.
// I assume that every other card based on a related graphics chipset
// is similarly affected, which basically means that all Shader Model
// 1.4 cards suffer from this problem, since they all use some variant
// of the ATI R200.
skipat = SM14 ? 256 - 8 : 256;
for (i = 0; i < skipat; ++i, pix += 4)
{
pix[0] = SourcePalette[i].b;
pix[1] = SourcePalette[i].g;
pix[2] = SourcePalette[i].r;
pix[3] = (i == 0 ? 0 : 255);
// To let masked textures work, the first palette entry's alpha is 0.
}
pix += 4;
for (; i < 255; ++i, pix += 4)
{
pix[0] = SourcePalette[i].b;
pix[1] = SourcePalette[i].g;
pix[2] = SourcePalette[i].r;
pix[3] = 255;
}
PaletteTexture->UnlockRect (0);
BorderColor = D3DCOLOR_XRGB(SourcePalette[255].r, SourcePalette[255].g, SourcePalette[255].b);
}
}
PalEntry *D3DFB::GetPalette ()
{
return SourcePalette;
}
void D3DFB::UpdatePalette ()
{
NeedPalUpdate = true;
}
bool D3DFB::SetGamma (float gamma)
{
LOG1 ("SetGamma %g\n", gamma);
Gamma = gamma;
NeedGammaUpdate = true;
return true;
}
bool D3DFB::SetFlash (PalEntry rgb, int amount)
{
FlashColor = rgb;
FlashAmount = amount;
// Fill in the constants for the pixel shader to do linear interpolation between the palette and the flash:
float r = rgb.r / 255.f, g = rgb.g / 255.f, b = rgb.b / 255.f, a = amount / 256.f;
FlashColor0 = D3DCOLOR_COLORVALUE(r * a, g * a, b * a, 0);
a = 1 - a;
FlashColor1 = D3DCOLOR_COLORVALUE(a, a, a, 1);
return true;
}
void D3DFB::GetFlash (PalEntry &rgb, int &amount)
{
rgb = FlashColor;
amount = FlashAmount;
}
void D3DFB::GetFlashedPalette (PalEntry pal[256])
{
memcpy (pal, SourcePalette, 256*sizeof(PalEntry));
if (FlashAmount)
{
DoBlending (pal, pal, 256, FlashColor.r, FlashColor.g, FlashColor.b, FlashAmount);
}
}
void D3DFB::SetVSync (bool vsync)
{
if (VSync != vsync)
{
VSync = vsync;
Reset();
}
}
void D3DFB::NewRefreshRate ()
{
if (!Windowed)
{
Reset();
}
}
void D3DFB::Blank ()
{
// Only used by movie player, which isn't working with D3D9 yet.
}
void D3DFB::SetBlendingRect(int x1, int y1, int x2, int y2)
{
BlendingRect.left = x1;
BlendingRect.top = y1;
BlendingRect.right = x2;
BlendingRect.bottom = y2;
}
//==========================================================================
//
// D3DFB :: GetScreenshotBuffer
//
// Returns a pointer into a surface holding the current screen data.
//
//==========================================================================
void D3DFB::GetScreenshotBuffer(const BYTE *&buffer, int &pitch, ESSType &color_type)
{
D3DLOCKED_RECT lrect;
if (!Accel2D)
{
Super::GetScreenshotBuffer(buffer, pitch, color_type);
return;
}
buffer = NULL;
if ((ScreenshotTexture = GetCurrentScreen()) != NULL)
{
if (FAILED(ScreenshotTexture->GetSurfaceLevel(0, &ScreenshotSurface)))
{
ScreenshotTexture->Release();
ScreenshotTexture = NULL;
}
else if (FAILED(ScreenshotSurface->LockRect(&lrect, NULL, D3DLOCK_READONLY | D3DLOCK_NOSYSLOCK)))
{
ScreenshotSurface->Release();
ScreenshotSurface = NULL;
ScreenshotTexture->Release();
ScreenshotTexture = NULL;
}
else
{
buffer = (const BYTE *)lrect.pBits + lrect.Pitch * LBOffsetI;
pitch = lrect.Pitch;
color_type = SS_BGRA;
}
}
}
//==========================================================================
//
// D3DFB :: ReleaseScreenshotBuffer
//
//==========================================================================
void D3DFB::ReleaseScreenshotBuffer()
{
if (LockCount > 0)
{
Super::ReleaseScreenshotBuffer();
}
if (ScreenshotSurface != NULL)
{
ScreenshotSurface->UnlockRect();
ScreenshotSurface->Release();
ScreenshotSurface = NULL;
}
SAFE_RELEASE( ScreenshotTexture );
}
//==========================================================================
//
// D3DFB :: GetCurrentScreen
//
// Returns a texture containing the pixels currently visible on-screen.
//
//==========================================================================
IDirect3DTexture9 *D3DFB::GetCurrentScreen()
{
IDirect3DTexture9 *tex;
IDirect3DSurface9 *tsurf, *surf;
D3DSURFACE_DESC desc;
if (Windowed || PixelDoubling)
{
// The texture we read into must have the same pixel format as
// the TempRenderTexture.
if (SUCCEEDED(TempRenderTexture->GetSurfaceLevel(0, &tsurf)))
{
if (FAILED(tsurf->GetDesc(&desc)))
{
tsurf->Release();
return NULL;
}
tsurf->Release();
}
else
{
return NULL;
}
}
else
{
if (SUCCEEDED(D3DDevice->GetBackBuffer(0, 0, D3DBACKBUFFER_TYPE_MONO, &tsurf)))
{
if (FAILED(tsurf->GetDesc(&desc)))
{
tsurf->Release();
return NULL;
}
tsurf->Release();
}
else
{
return NULL;
}
// GetFrontBufferData works only with this format
desc.Format = D3DFMT_A8R8G8B8;
}
if (FAILED(D3DDevice->CreateTexture(desc.Width, desc.Height, 1, 0,
desc.Format, D3DPOOL_SYSTEMMEM, &tex, NULL)))
{
return NULL;
}
if (FAILED(tex->GetSurfaceLevel(0, &surf)))
{
tex->Release();
return NULL;
}
if (!Windowed && !PixelDoubling)
{
if (FAILED(D3DDevice->GetFrontBufferData(0, surf)))
{
surf->Release();
tex->Release();
return NULL;
}
}
else
{
if (SUCCEEDED(TempRenderTexture->GetSurfaceLevel(0, &tsurf)))
{
if (FAILED(D3DDevice->GetRenderTargetData(tsurf, surf)))
{
tsurf->Release();
tex->Release();
return NULL;
}
tsurf->Release();
}
else
{
tex->Release();
return NULL;
}
}
surf->Release();
return tex;
}
/**************************************************************************/
/* 2D Stuff */
/**************************************************************************/
//==========================================================================
//
// D3DFB :: DrawPackedTextures
//
// DEBUG: Draws the packing textures to the screen, starting with the
// 1-based packnum.
//
//==========================================================================
void D3DFB::DrawPackedTextures(int packnum)
{
D3DCOLOR empty_colors[8] =
{
0xFFFF9999, 0xFF99FF99, 0xFF9999FF, 0xFFFFFF99,
0xFFFF99FF, 0xFF99FFFF, 0xFFFFCC99, 0xFF99CCFF
};
PackingTexture *pack;
int x = 8, y = 8;
if (packnum <= 0)
{
return;
}
pack = Packs;
while (pack != NULL && pack->OneUse)
{ // Skip textures that aren't used as packing containers
pack = pack->Next;
}
while (pack != NULL && packnum != 1)
{
if (!pack->OneUse)
{ // Skip textures that aren't used as packing containers
packnum--;
}
pack = pack->Next;
}
while (pack != NULL)
{
if (pack->OneUse)
{ // Skip textures that aren't used as packing containers
pack = pack->Next;
continue;
}
AddColorOnlyQuad(x-1, y-1-LBOffsetI, 258, 258, D3DCOLOR_XRGB(255,255,0));
CheckQuadBatch();
BufferedQuad *quad = &QuadExtra[QuadBatchPos];
FBVERTEX *vert = &VertexData[VertexPos];
quad->Group1 = 0;
if (pack->Format == D3DFMT_L8/* && !tex->IsGray*/)
{
quad->Flags = BQF_WrapUV | BQF_GamePalette | BQF_DisableAlphaTest;
quad->ShaderNum = BQS_PalTex;
}
else
{
quad->Flags = BQF_WrapUV | BQF_DisableAlphaTest;
quad->ShaderNum = BQS_Plain;
}
quad->Palette = NULL;
quad->Texture = pack;
float x0 = float(x) - 0.5f;
float y0 = float(y) - 0.5f;
float x1 = x0 + 256.f;
float y1 = y0 + 256.f;
vert[0].x = x0;
vert[0].y = y0;
vert[0].z = 0;
vert[0].rhw = 1;
vert[0].color0 = 0;
vert[0].color1 = 0xFFFFFFFF;
vert[0].tu = 0;
vert[0].tv = 0;
vert[1].x = x1;
vert[1].y = y0;
vert[1].z = 0;
vert[1].rhw = 1;
vert[1].color0 = 0;
vert[1].color1 = 0xFFFFFFFF;
vert[1].tu = 1;
vert[1].tv = 0;
vert[2].x = x1;
vert[2].y = y1;
vert[2].z = 0;
vert[2].rhw = 1;
vert[2].color0 = 0;
vert[2].color1 = 0xFFFFFFFF;
vert[2].tu = 1;
vert[2].tv = 1;
vert[3].x = x0;
vert[3].y = y1;
vert[3].z = 0;
vert[3].rhw = 1;
vert[3].color0 = 0;
vert[3].color1 = 0xFFFFFFFF;
vert[3].tu = 0;
vert[3].tv = 1;
IndexData[IndexPos ] = VertexPos;
IndexData[IndexPos + 1] = VertexPos + 1;
IndexData[IndexPos + 2] = VertexPos + 2;
IndexData[IndexPos + 3] = VertexPos;
IndexData[IndexPos + 4] = VertexPos + 2;
IndexData[IndexPos + 5] = VertexPos + 3;
QuadBatchPos++;
VertexPos += 4;
IndexPos += 6;
// Draw entries in the empty list.
PackedTexture *box;
int emptynum;
for (box = pack->EmptyList, emptynum = 0; box != NULL; box = box->Next, emptynum++)
{
AddColorOnlyQuad(x + box->Area.left, y + box->Area.top - LBOffsetI,
box->Area.right - box->Area.left, box->Area.bottom - box->Area.top,
empty_colors[emptynum & 7]);
}
x += 256 + 8;
if (x > Width - 256)
{
x = 8;
y += 256 + 8;
if (y > TrueHeight - 256)
{
return;
}
}
pack = pack->Next;
}
}
//==========================================================================
//
// D3DFB :: AllocPackedTexture
//
// Finds space to pack an image inside a packing texture and returns it.
// Large images and those that need to wrap always get their own textures.
//
//==========================================================================
D3DFB::PackedTexture *D3DFB::AllocPackedTexture(int w, int h, bool wrapping, D3DFORMAT format)
{
PackingTexture *bestpack;
PackedTexture *bestbox;
int area;
if (w > 256 || h > 256 || wrapping)
{ // Create a new packing texture.
bestpack = new PackingTexture(this, w, h, format);
bestpack->OneUse = true;
bestbox = bestpack->GetBestFit(w, h, area);
}
else
{ // Try to find space in an existing packing texture.
int bestarea = INT_MAX;
int bestareaever = w * h;
bestpack = NULL;
bestbox = NULL;
for (PackingTexture *pack = Packs; pack != NULL; pack = pack->Next)
{
if (pack->Format == format)
{
PackedTexture *box = pack->GetBestFit(w, h, area);
if (area == bestareaever)
{ // An exact fit! Use it!
bestpack = pack;
bestbox = box;
break;
}
if (area < bestarea)
{
bestarea = area;
bestpack = pack;
bestbox = box;
}
}
}
if (bestpack == NULL)
{ // Create a new packing texture.
bestpack = new PackingTexture(this, 256, 256, format);
bestbox = bestpack->GetBestFit(w, h, bestarea);
}
}
bestpack->AllocateImage(bestbox, w, h);
return bestbox;
}
//==========================================================================
//
// PackingTexture Constructor
//
//==========================================================================
D3DFB::PackingTexture::PackingTexture(D3DFB *fb, int w, int h, D3DFORMAT format)
{
Tex = NULL;
Format = format;
UsedList = NULL;
EmptyList = NULL;
FreeList = NULL;
OneUse = false;
Width = 0;
Height = 0;
Next = fb->Packs;
fb->Packs = this;
#if 1
if (FAILED(fb->D3DDevice->CreateTexture(w, h, 1, 0, format, D3DPOOL_MANAGED, &Tex, NULL)))
#endif
{ // Try again, using power-of-2 sizes
int i;
for (i = 1; i < w; i <<= 1) {} w = i;
for (i = 1; i < h; i <<= 1) {} h = i;
if (FAILED(fb->D3DDevice->CreateTexture(w, h, 1, 0, format, D3DPOOL_MANAGED, &Tex, NULL)))
{
return;
}
}
Width = w;
Height = h;
// The whole texture is initially empty.
AddEmptyBox(0, 0, w, h);
}
//==========================================================================
//
// PackingTexture Destructor
//
//==========================================================================
D3DFB::PackingTexture::~PackingTexture()
{
PackedTexture *box, *next;
SAFE_RELEASE( Tex );
for (box = UsedList; box != NULL; box = next)
{
next = box->Next;
delete box;
}
for (box = EmptyList; box != NULL; box = next)
{
next = box->Next;
delete box;
}
for (box = FreeList; box != NULL; box = next)
{
next = box->Next;
delete box;
}
}
//==========================================================================
//
// PackingTexture :: GetBestFit
//
// Returns the empty box that provides the best fit for the requested
// dimensions, or NULL if none of them are large enough.
//
//==========================================================================
D3DFB::PackedTexture *D3DFB::PackingTexture::GetBestFit(int w, int h, int &area)
{
PackedTexture *box;
int smallestarea = INT_MAX;
PackedTexture *smallestbox = NULL;
for (box = EmptyList; box != NULL; box = box->Next)
{
int boxw = box->Area.right - box->Area.left;
int boxh = box->Area.bottom - box->Area.top;
if (boxw >= w && boxh >= h)
{
int boxarea = boxw * boxh;
if (boxarea < smallestarea)
{
smallestarea = boxarea;
smallestbox = box;
if (boxw == w && boxh == h)
{ // An exact fit! Use it!
break;
}
}
}
}
area = smallestarea;
return smallestbox;
}
//==========================================================================
//
// PackingTexture :: AllocateImage
//
// Moves the box from the empty list to the used list, sizing it to the
// requested dimensions and adding additional boxes to the empty list if
// needed.
//
// The passed box *MUST* be in this packing textures empty list.
//
//==========================================================================
void D3DFB::PackingTexture::AllocateImage(D3DFB::PackedTexture *box, int w, int h)
{
RECT start = box->Area;
box->Area.right = box->Area.left + w;
box->Area.bottom = box->Area.top + h;
box->Left = float(box->Area.left) / Width;
box->Right = float(box->Area.right) / Width;
box->Top = float(box->Area.top) / Height;
box->Bottom = float(box->Area.bottom) / Height;
// Remove it from the empty list.
*(box->Prev) = box->Next;
if (box->Next != NULL)
{
box->Next->Prev = box->Prev;
}
// Add it to the used list.
box->Next = UsedList;
if (box->Next != NULL)
{
box->Next->Prev = &box->Next;
}
UsedList = box;
box->Prev = &UsedList;
// If we didn't use the whole box, split the remainder into the empty list.
if (box->Area.bottom + 7 < start.bottom && box->Area.right + 7 < start.right)
{
// Split like this:
// +---+------+
// |###| |
// +---+------+
// | |
// | |
// +----------+
if (box->Area.bottom < start.bottom)
{
AddEmptyBox(start.left, box->Area.bottom, start.right, start.bottom);
}
if (box->Area.right < start.right)
{
AddEmptyBox(box->Area.right, start.top, start.right, box->Area.bottom);
}
}
else
{
// Split like this:
// +---+------+
// |###| |
// +---+ |
// | | |
// | | |
// +---+------+
if (box->Area.bottom < start.bottom)
{
AddEmptyBox(start.left, box->Area.bottom, box->Area.right, start.bottom);
}
if (box->Area.right < start.right)
{
AddEmptyBox(box->Area.right, start.top, start.right, start.bottom);
}
}
}
//==========================================================================
//
// PackingTexture :: AddEmptyBox
//
// Adds a box with the specified dimensions to the empty list.
//
//==========================================================================
void D3DFB::PackingTexture::AddEmptyBox(int left, int top, int right, int bottom)
{
PackedTexture *box = AllocateBox();
box->Area.left = left;
box->Area.top = top;
box->Area.right = right;
box->Area.bottom = bottom;
box->Next = EmptyList;
if (box->Next != NULL)
{
box->Next->Prev = &box->Next;
}
box->Prev = &EmptyList;
EmptyList = box;
}
//==========================================================================
//
// PackingTexture :: AllocateBox
//
// Returns a new PackedTexture box, either by retrieving one off the free
// list or by creating a new one. The box is not linked into a list.
//
//==========================================================================
D3DFB::PackedTexture *D3DFB::PackingTexture::AllocateBox()
{
PackedTexture *box;
if (FreeList != NULL)
{
box = FreeList;
FreeList = box->Next;
if (box->Next != NULL)
{
box->Next->Prev = &FreeList;
}
}
else
{
box = new PackedTexture;
box->Owner = this;
}
return box;
}
//==========================================================================
//
// PackingTexture :: FreeBox
//
// Removes a box from its current list and adds it to the empty list,
// updating EmptyArea. If there are no boxes left in the used list, then
// the empty list is replaced with a single box, so the texture can be
// subdivided again.
//
//==========================================================================
void D3DFB::PackingTexture::FreeBox(D3DFB::PackedTexture *box)
{
*(box->Prev) = box->Next;
if (box->Next != NULL)
{
box->Next->Prev = box->Prev;
}
box->Next = EmptyList;
box->Prev = &EmptyList;
if (EmptyList != NULL)
{
EmptyList->Prev = &box->Next;
}
EmptyList = box;
if (UsedList == NULL)
{ // No more space in use! Move all but this into the free list.
if (box->Next != NULL)
{
D3DFB::PackedTexture *lastbox;
// Find the last box in the free list.
lastbox = FreeList;
if (lastbox != NULL)
{
while (lastbox->Next != NULL)
{
lastbox = lastbox->Next;
}
}
// Chain the empty list to the end of the free list.
if (lastbox != NULL)
{
lastbox->Next = box->Next;
box->Next->Prev = &lastbox->Next;
}
else
{
FreeList = box->Next;
box->Next->Prev = &FreeList;
}
box->Next = NULL;
}
// Now this is the only box in the empty list, so it should
// contain the whole texture.
box->Area.left = 0;
box->Area.top = 0;
box->Area.right = Width;
box->Area.bottom = Height;
}
}
//==========================================================================
//
// D3DTex Constructor
//
//==========================================================================
D3DTex::D3DTex(FTexture *tex, D3DFB *fb, bool wrapping)
{
// Attach to the texture list for the D3DFB
Next = fb->Textures;
if (Next != NULL)
{
Next->Prev = &Next;
}
Prev = &fb->Textures;
fb->Textures = this;
GameTex = tex;
Box = NULL;
IsGray = false;
Create(fb, wrapping);
}
//==========================================================================
//
// D3DTex Destructor
//
//==========================================================================
D3DTex::~D3DTex()
{
if (Box != NULL)
{
Box->Owner->FreeBox(Box);
Box = NULL;
}
// Detach from the texture list
*Prev = Next;
if (Next != NULL)
{
Next->Prev = Prev;
}
// Remove link from the game texture
if (GameTex != NULL)
{
GameTex->Native = NULL;
}
}
//==========================================================================
//
// D3DTex :: CheckWrapping
//
// Returns true if the texture is compatible with the specified wrapping
// mode.
//
//==========================================================================
bool D3DTex::CheckWrapping(bool wrapping)
{
// If it doesn't need to wrap, then it works.
if (!wrapping)
{
return true;
}
// If it needs to wrap, then it can't be packed inside another texture.
return Box->Owner->OneUse;
}
//==========================================================================
//
// D3DTex :: Create
//
// Creates an IDirect3DTexture9 for the texture and copies the image data
// to it. Note that unlike FTexture, this image is row-major.
//
//==========================================================================
bool D3DTex::Create(D3DFB *fb, bool wrapping)
{
if (Box != NULL)
{
Box->Owner->FreeBox(Box);
}
Box = fb->AllocPackedTexture(GameTex->GetWidth(), GameTex->GetHeight(), wrapping, GetTexFormat());
if (Box == NULL)
{
return false;
}
if (!Update())
{
Box->Owner->FreeBox(Box);
Box = NULL;
return false;
}
return true;
}
//==========================================================================
//
// D3DTex :: Update
//
// Copies image data from the underlying FTexture to the D3D texture.
//
//==========================================================================
bool D3DTex::Update()
{
D3DSURFACE_DESC desc;
D3DLOCKED_RECT lrect;
RECT rect;
assert(Box != NULL);
assert(Box->Owner != NULL);
assert(Box->Owner->Tex != NULL);
assert(GameTex != NULL);
if (FAILED(Box->Owner->Tex->GetLevelDesc(0, &desc)))
{
return false;
}
rect = Box->Area;
if (FAILED(Box->Owner->Tex->LockRect(0, &lrect, &rect, 0)))
{
return false;
}
GameTex->FillBuffer((BYTE *)lrect.pBits, lrect.Pitch, GameTex->GetHeight(), ToTexFmt(desc.Format));
Box->Owner->Tex->UnlockRect(0);
return true;
}
//==========================================================================
//
// D3DTex :: GetTexFormat
//
// Returns the texture format that would best fit this texture.
//
//==========================================================================
D3DFORMAT D3DTex::GetTexFormat()
{
FTextureFormat fmt = GameTex->GetFormat();
IsGray = false;
switch (fmt)
{
case TEX_Pal: return D3DFMT_L8;
case TEX_Gray: IsGray = true; return D3DFMT_L8;
case TEX_RGB: return D3DFMT_A8R8G8B8;
case TEX_DXT1: return D3DFMT_DXT1;
case TEX_DXT2: return D3DFMT_DXT2;
case TEX_DXT3: return D3DFMT_DXT3;
case TEX_DXT4: return D3DFMT_DXT4;
case TEX_DXT5: return D3DFMT_DXT5;
default: I_FatalError ("GameTex->GetFormat() returned invalid format.");
}
return D3DFMT_L8;
}
//==========================================================================
//
// D3DTex :: ToTexFmt
//
// Converts a D3DFORMAT constant to something the FTexture system
// understands.
//
//==========================================================================
FTextureFormat D3DTex::ToTexFmt(D3DFORMAT fmt)
{
switch (fmt)
{
case D3DFMT_L8: return IsGray ? TEX_Gray : TEX_Pal;
case D3DFMT_A8R8G8B8: return TEX_RGB;
case D3DFMT_DXT1: return TEX_DXT1;
case D3DFMT_DXT2: return TEX_DXT2;
case D3DFMT_DXT3: return TEX_DXT3;
case D3DFMT_DXT4: return TEX_DXT4;
case D3DFMT_DXT5: return TEX_DXT5;
default:
assert(0); // LOL WUT?
return TEX_Pal;
}
}
//==========================================================================
//
// D3DPal Constructor
//
//==========================================================================
D3DPal::D3DPal(FRemapTable *remap, D3DFB *fb)
: Tex(NULL), Remap(remap)
{
int count;
// Attach to the palette list for the D3DFB
Next = fb->Palettes;
if (Next != NULL)
{
Next->Prev = &Next;
}
Prev = &fb->Palettes;
fb->Palettes = this;
// Palette textures must be 256 entries for Shader Model 1.4
if (fb->SM14)
{
count = 256;
// If the palette isn't big enough, then we don't need to
// worry about setting the gamma ramp.
DoColorSkip = (remap->NumEntries >= 256 - 8);
}
else
{
int pow2count;
// Round up to the nearest power of 2.
for (pow2count = 1; pow2count < remap->NumEntries; pow2count <<= 1)
{ }
count = pow2count;
DoColorSkip = false;
}
BorderColor = 0;
RoundedPaletteSize = count;
if (SUCCEEDED(fb->D3DDevice->CreateTexture(count, 1, 1, 0,
D3DFMT_A8R8G8B8, D3DPOOL_MANAGED, &Tex, NULL)))
{
if (!Update())
{
Tex->Release();
Tex = NULL;
}
}
}
//==========================================================================
//
// D3DPal Destructor
//
//==========================================================================
D3DPal::~D3DPal()
{
SAFE_RELEASE( Tex );
// Detach from the palette list
*Prev = Next;
if (Next != NULL)
{
Next->Prev = Prev;
}
// Remove link from the remap table
if (Remap != NULL)
{
Remap->Native = NULL;
}
}
//==========================================================================
//
// D3DPal :: Update
//
// Copies the palette to the texture.
//
//==========================================================================
bool D3DPal::Update()
{
D3DLOCKED_RECT lrect;
D3DCOLOR *buff;
const PalEntry *pal;
int skipat, i;
assert(Tex != NULL);
if (FAILED(Tex->LockRect(0, &lrect, NULL, 0)))
{
return false;
}
buff = (D3DCOLOR *)lrect.pBits;
pal = Remap->Palette;
// See explanation in UploadPalette() for skipat rationale.
skipat = MIN(Remap->NumEntries, DoColorSkip ? 256 - 8 : 256);
for (i = 0; i < skipat; ++i)
{
buff[i] = D3DCOLOR_ARGB(pal[i].a, pal[i].r, pal[i].g, pal[i].b);
}
for (++i; i < Remap->NumEntries; ++i)
{
buff[i] = D3DCOLOR_ARGB(pal[i].a, pal[i-1].r, pal[i-1].g, pal[i-1].b);
}
BorderColor = D3DCOLOR_ARGB(pal[i].a, pal[i-1].r, pal[i-1].g, pal[i-1].b);
Tex->UnlockRect(0);
return true;
}
//==========================================================================
//
// D3DFB :: Begin2D
//
// Begins 2D mode drawing operations. In particular, DrawTexture is
// rerouted to use Direct3D instead of the software renderer.
//
//==========================================================================
bool D3DFB::Begin2D(bool copy3d)
{
if (!Accel2D)
{
return false;
}
if (In2D)
{
return true;
}
In2D = 2 - copy3d;
Update();
In2D = 3;
return true;
}
//==========================================================================
//
// D3DFB :: DrawBlendingRect
//
// Call after Begin2D to blend the 3D view.
//
//==========================================================================
void D3DFB::DrawBlendingRect()
{
if (!In2D || !Accel2D)
{
return;
}
Dim(FlashColor, FlashAmount / 256.f, viewwindowx, viewwindowy, viewwidth, viewheight);
}
//==========================================================================
//
// D3DFB :: CreateTexture
//
// Returns a native texture that wraps a FTexture.
//
//==========================================================================
FNativeTexture *D3DFB::CreateTexture(FTexture *gametex, bool wrapping)
{
D3DTex *tex = new D3DTex(gametex, this, wrapping);
if (tex->Box == NULL)
{
delete tex;
return NULL;
}
return tex;
}
//==========================================================================
//
// D3DFB :: CreatePalette
//
// Returns a native texture that contains a palette.
//
//==========================================================================
FNativePalette *D3DFB::CreatePalette(FRemapTable *remap)
{
D3DPal *tex = new D3DPal(remap, this);
if (tex->Tex == NULL)
{
delete tex;
return NULL;
}
return tex;
}
//==========================================================================
//
// D3DFB :: Clear
//
// Fills the specified region with a color.
//
//==========================================================================
void D3DFB::Clear (int left, int top, int right, int bottom, int palcolor, uint32 color)
{
if (In2D < 2)
{
Super::Clear(left, top, right, bottom, palcolor, color);
return;
}
if (!InScene)
{
return;
}
if (palcolor >= 0)
{
color = GPalette.BaseColors[palcolor];
}
else if (APART(color) < 255)
{
Dim(color, APART(color)/255.f, left, top, right - left, bottom - top);
return;
}
AddColorOnlyQuad(left, top, right - left, bottom - top, color | 0xFF000000);
}
//==========================================================================
//
// D3DFB :: Dim
//
//==========================================================================
void D3DFB::Dim (PalEntry color, float amount, int x1, int y1, int w, int h)
{
if (amount <= 0)
{
return;
}
if (In2D < 2)
{
Super::Dim(color, amount, x1, y1, w, h);
return;
}
if (!InScene)
{
return;
}
if (amount > 1)
{
amount = 1;
}
AddColorOnlyQuad(x1, y1, w, h, color | (int(amount * 255) << 24));
}
//==========================================================================
//
// D3DFB :: BeginLineBatch
//
//==========================================================================
void D3DFB::BeginLineBatch()
{
if (In2D < 2 || !InScene || BatchType == BATCH_Lines)
{
return;
}
EndQuadBatch(); // Make sure all quads have been drawn first.
VertexBuffer->Lock(0, 0, (void **)&VertexData, D3DLOCK_DISCARD);
VertexPos = 0;
BatchType = BATCH_Lines;
}
//==========================================================================
//
// D3DFB :: EndLineBatch
//
//==========================================================================
void D3DFB::EndLineBatch()
{
if (In2D < 2 || !InScene || BatchType != BATCH_Lines)
{
return;
}
VertexBuffer->Unlock();
if (VertexPos > 0)
{
SetPixelShader(Shaders[SHADER_VertexColor]);
SetAlphaBlend(D3DBLENDOP_ADD, D3DBLEND_SRCALPHA, D3DBLEND_INVSRCALPHA);
D3DDevice->SetStreamSource(0, VertexBuffer, 0, sizeof(FBVERTEX));
D3DDevice->DrawPrimitive(D3DPT_LINELIST, 0, VertexPos / 2);
}
VertexPos = -1;
BatchType = BATCH_None;
}
//==========================================================================
//
// D3DFB :: DrawLine
//
//==========================================================================
void D3DFB::DrawLine(int x0, int y0, int x1, int y1, int palcolor, uint32 color)
{
if (In2D < 2)
{
Super::DrawLine(x0, y0, x1, y1, palcolor, color);
return;
}
if (!InScene)
{
return;
}
if (BatchType != BATCH_Lines)
{
BeginLineBatch();
}
if (VertexPos == NUM_VERTS)
{ // Flush the buffer and refill it.
EndLineBatch();
BeginLineBatch();
}
// Add the endpoints to the vertex buffer.
VertexData[VertexPos].x = float(x0);
VertexData[VertexPos].y = float(y0) + LBOffset;
VertexData[VertexPos].z = 0;
VertexData[VertexPos].rhw = 1;
VertexData[VertexPos].color0 = color;
VertexData[VertexPos].color1 = 0;
VertexData[VertexPos].tu = 0;
VertexData[VertexPos].tv = 0;
VertexData[VertexPos+1].x = float(x1);
VertexData[VertexPos+1].y = float(y1) + LBOffset;
VertexData[VertexPos+1].z = 0;
VertexData[VertexPos+1].rhw = 1;
VertexData[VertexPos+1].color0 = color;
VertexData[VertexPos+1].color1 = 0;
VertexData[VertexPos+1].tu = 0;
VertexData[VertexPos+1].tv = 0;
VertexPos += 2;
}
//==========================================================================
//
// D3DFB :: DrawPixel
//
//==========================================================================
void D3DFB::DrawPixel(int x, int y, int palcolor, uint32 color)
{
if (In2D < 2)
{
Super::DrawPixel(x, y, palcolor, color);
return;
}
if (!InScene)
{
return;
}
FBVERTEX pt =
{
float(x), float(y), 0, 1, color
};
EndBatch(); // Draw out any batched operations.
SetPixelShader(Shaders[SHADER_VertexColor]);
SetAlphaBlend(D3DBLENDOP_ADD, D3DBLEND_SRCALPHA, D3DBLEND_INVSRCALPHA);
D3DDevice->DrawPrimitiveUP(D3DPT_POINTLIST, 1, &pt, sizeof(FBVERTEX));
}
//==========================================================================
//
// D3DFB :: DrawTextureV
//
// If not in 2D mode, just call the normal software version.
// If in 2D mode, then use Direct3D calls to perform the drawing.
//
//==========================================================================
void STACK_ARGS D3DFB::DrawTextureV (FTexture *img, int x, int y, uint32 tags_first, va_list tags)
{
if (In2D < 2)
{
Super::DrawTextureV(img, x, y, tags_first, tags);
return;
}
DrawParms parms;
if (!InScene || !ParseDrawTextureTags(img, x, y, tags_first, tags, &parms, true))
{
return;
}
D3DTex *tex = static_cast<D3DTex *>(img->GetNative(false));
if (tex == NULL)
{
assert(tex != NULL);
return;
}
CheckQuadBatch();
float xscale = float(parms.destwidth) / parms.texwidth / 65536.f;
float yscale = float(parms.destheight) / parms.texheight / 65536.f;
float x0 = float(parms.x) / 65536.f - float(parms.left) * xscale;
float y0 = float(parms.y) / 65536.f - float(parms.top) * yscale;
float x1 = x0 + float(parms.destwidth) / 65536.f;
float y1 = y0 + float(parms.destheight) / 65536.f;
float u0 = tex->Box->Left;
float v0 = tex->Box->Top;
float u1 = tex->Box->Right;
float v1 = tex->Box->Bottom;
float uscale = 1.f / tex->Box->Owner->Width;
bool scissoring = false;
if (parms.flipX)
{
swap(u0, u1);
}
if (parms.windowleft > 0 || parms.windowright < parms.texwidth)
{
x0 += parms.windowleft * xscale;
u0 += parms.windowleft * uscale;
x1 -= (parms.texwidth - parms.windowright) * xscale;
u1 -= (parms.texwidth - parms.windowright) * uscale;
}
#if 0
float vscale = 1.f / tex->Box->Owner->Height / yscale;
if (y0 < parms.uclip)
{
v0 += (float(parms.uclip) - y0) * vscale;
y0 = float(parms.uclip);
}
if (y1 > parms.dclip)
{
v1 -= (y1 - float(parms.dclip)) * vscale;
y1 = float(parms.dclip);
}
if (x0 < parms.lclip)
{
u0 += float(parms.lclip - x0) * uscale / xscale * 2;
x0 = float(parms.lclip);
}
if (x1 > parms.rclip)
{
u1 -= (x1 - parms.rclip) * uscale / xscale * 2;
x1 = float(parms.rclip);
}
#else
// Use a scissor test because the math above introduces some jitter
// that is noticeable at low resolutions. Unfortunately, this means this
// quad has to be in a batch by itself.
if (y0 < parms.uclip || y1 > parms.dclip || x0 < parms.lclip || x1 > parms.rclip)
{
scissoring = true;
if (QuadBatchPos > 0)
{
EndQuadBatch();
BeginQuadBatch();
}
RECT scissor = {
parms.lclip, parms.uclip + LBOffsetI,
parms.rclip, parms.dclip + LBOffsetI
};
D3DDevice->SetScissorRect(&scissor);
D3DDevice->SetRenderState(D3DRS_SCISSORTESTENABLE, TRUE);
}
#endif
parms.bilinear = false;
D3DCOLOR color0, color1;
if (!SetStyle(tex, parms, color0, color1, QuadExtra[QuadBatchPos]))
{
return;
}
QuadExtra[QuadBatchPos].Texture = tex->Box->Owner;
if (parms.bilinear)
{
QuadExtra[QuadBatchPos].Flags |= BQF_Bilinear;
}
float yoffs = GatheringWipeScreen ? 0.5f : 0.5f - LBOffset;
// Coordinates are truncated to integers, because that's effectively
// what the software renderer does. The hardware will instead round
// to nearest, it seems.
x0 = floorf(x0) - 0.5f;
y0 = floorf(y0) - yoffs;
x1 = floorf(x1) - 0.5f;
y1 = floorf(y1) - yoffs;
FBVERTEX *vert = &VertexData[VertexPos];
vert[0].x = x0;
vert[0].y = y0;
vert[0].z = 0;
vert[0].rhw = 1;
vert[0].color0 = color0;
vert[0].color1 = color1;
vert[0].tu = u0;
vert[0].tv = v0;
vert[1].x = x1;
vert[1].y = y0;
vert[1].z = 0;
vert[1].rhw = 1;
vert[1].color0 = color0;
vert[1].color1 = color1;
vert[1].tu = u1;
vert[1].tv = v0;
vert[2].x = x1;
vert[2].y = y1;
vert[2].z = 0;
vert[2].rhw = 1;
vert[2].color0 = color0;
vert[2].color1 = color1;
vert[2].tu = u1;
vert[2].tv = v1;
vert[3].x = x0;
vert[3].y = y1;
vert[3].z = 0;
vert[3].rhw = 1;
vert[3].color0 = color0;
vert[3].color1 = color1;
vert[3].tu = u0;
vert[3].tv = v1;
IndexData[IndexPos ] = VertexPos;
IndexData[IndexPos + 1] = VertexPos + 1;
IndexData[IndexPos + 2] = VertexPos + 2;
IndexData[IndexPos + 3] = VertexPos;
IndexData[IndexPos + 4] = VertexPos + 2;
IndexData[IndexPos + 5] = VertexPos + 3;
QuadBatchPos++;
VertexPos += 4;
IndexPos += 6;
if (scissoring)
{
EndQuadBatch();
D3DDevice->SetRenderState(D3DRS_SCISSORTESTENABLE, FALSE);
}
}
//==========================================================================
//
// D3DFB :: FlatFill
//
// Fills an area with a repeating copy of the texture.
//
//==========================================================================
void D3DFB::FlatFill(int left, int top, int right, int bottom, FTexture *src, bool local_origin)
{
if (In2D < 2)
{
Super::FlatFill(left, top, right, bottom, src, local_origin);
return;
}
if (!InScene)
{
return;
}
D3DTex *tex = static_cast<D3DTex *>(src->GetNative(true));
if (tex == NULL)
{
return;
}
float yoffs = GatheringWipeScreen ? 0.5f : 0.5f - LBOffset;
float x0 = float(left);
float y0 = float(top);
float x1 = float(right);
float y1 = float(bottom);
float itw = 1.f / float(src->GetWidth());
float ith = 1.f / float(src->GetHeight());
float xo = local_origin ? x0 : 0;
float yo = local_origin ? y0 : 0;
float u0 = (x0 - xo) * itw;
float v0 = (y0 - yo) * ith;
float u1 = (x1 - xo) * itw;
float v1 = (y1 - yo) * ith;
x0 -= 0.5f;
y0 -= yoffs;
x1 -= 0.5f;
y1 -= yoffs;
CheckQuadBatch();
BufferedQuad *quad = &QuadExtra[QuadBatchPos];
FBVERTEX *vert = &VertexData[VertexPos];
quad->Group1 = 0;
if (tex->GetTexFormat() == D3DFMT_L8 && !tex->IsGray)
{
quad->Flags = BQF_WrapUV | BQF_GamePalette | BQF_DisableAlphaTest;
quad->ShaderNum = BQS_PalTex;
}
else
{
quad->Flags = BQF_WrapUV | BQF_DisableAlphaTest;
quad->ShaderNum = BQS_Plain;
}
quad->Palette = NULL;
quad->Texture = tex->Box->Owner;
vert[0].x = x0;
vert[0].y = y0;
vert[0].z = 0;
vert[0].rhw = 1;
vert[0].color0 = 0;
vert[0].color1 = 0xFFFFFFFF;
vert[0].tu = u0;
vert[0].tv = v0;
vert[1].x = x1;
vert[1].y = y0;
vert[1].z = 0;
vert[1].rhw = 1;
vert[1].color0 = 0;
vert[1].color1 = 0xFFFFFFFF;
vert[1].tu = u1;
vert[1].tv = v0;
vert[2].x = x1;
vert[2].y = y1;
vert[2].z = 0;
vert[2].rhw = 1;
vert[2].color0 = 0;
vert[2].color1 = 0xFFFFFFFF;
vert[2].tu = u1;
vert[2].tv = v1;
vert[3].x = x0;
vert[3].y = y1;
vert[3].z = 0;
vert[3].rhw = 1;
vert[3].color0 = 0;
vert[3].color1 = 0xFFFFFFFF;
vert[3].tu = u0;
vert[3].tv = v1;
IndexData[IndexPos ] = VertexPos;
IndexData[IndexPos + 1] = VertexPos + 1;
IndexData[IndexPos + 2] = VertexPos + 2;
IndexData[IndexPos + 3] = VertexPos;
IndexData[IndexPos + 4] = VertexPos + 2;
IndexData[IndexPos + 5] = VertexPos + 3;
QuadBatchPos++;
VertexPos += 4;
IndexPos += 6;
}
//==========================================================================
//
// D3DFB :: AddColorOnlyQuad
//
// Adds a single-color, untextured quad to the batch.
//
//==========================================================================
void D3DFB::AddColorOnlyQuad(int left, int top, int width, int height, D3DCOLOR color)
{
BufferedQuad *quad;
FBVERTEX *verts;
CheckQuadBatch();
quad = &QuadExtra[QuadBatchPos];
verts = &VertexData[VertexPos];
float x = float(left) - 0.5f;
float y = float(top) - 0.5f + (GatheringWipeScreen ? 0 : LBOffset);
quad->Group1 = 0;
quad->ShaderNum = BQS_ColorOnly;
if ((color & 0xFF000000) != 0xFF000000)
{
quad->BlendOp = D3DBLENDOP_ADD;
quad->SrcBlend = D3DBLEND_SRCALPHA;
quad->DestBlend = D3DBLEND_INVSRCALPHA;
}
quad->Palette = NULL;
quad->Texture = NULL;
verts[0].x = x;
verts[0].y = y;
verts[0].z = 0;
verts[0].rhw = 1;
verts[0].color0 = color;
verts[0].color1 = 0;
verts[0].tu = 0;
verts[0].tv = 0;
verts[1].x = x + width;
verts[1].y = y;
verts[1].z = 0;
verts[1].rhw = 1;
verts[1].color0 = color;
verts[1].color1 = 0;
verts[1].tu = 0;
verts[1].tv = 0;
verts[2].x = x + width;
verts[2].y = y + height;
verts[2].z = 0;
verts[2].rhw = 1;
verts[2].color0 = color;
verts[2].color1 = 0;
verts[2].tu = 0;
verts[2].tv = 0;
verts[3].x = x;
verts[3].y = y + height;
verts[3].z = 0;
verts[3].rhw = 1;
verts[3].color0 = color;
verts[3].color1 = 0;
verts[3].tu = 0;
verts[3].tv = 0;
IndexData[IndexPos ] = VertexPos;
IndexData[IndexPos + 1] = VertexPos + 1;
IndexData[IndexPos + 2] = VertexPos + 2;
IndexData[IndexPos + 3] = VertexPos;
IndexData[IndexPos + 4] = VertexPos + 2;
IndexData[IndexPos + 5] = VertexPos + 3;
QuadBatchPos++;
VertexPos += 4;
IndexPos += 6;
}
//==========================================================================
//
// D3DFB :: CheckQuadBatch
//
// Make sure there's enough room in the batch for one more quad.
//
//==========================================================================
void D3DFB::CheckQuadBatch()
{
if (BatchType == BATCH_Lines)
{
EndLineBatch();
}
else if (QuadBatchPos == MAX_QUAD_BATCH)
{
EndQuadBatch();
}
if (QuadBatchPos < 0)
{
BeginQuadBatch();
}
}
//==========================================================================
//
// D3DFB :: BeginQuadBatch
//
// Locks the vertex buffer for quads and sets the cursor to 0.
//
//==========================================================================
void D3DFB::BeginQuadBatch()
{
if (In2D < 2 || !InScene || QuadBatchPos >= 0)
{
return;
}
EndLineBatch(); // Make sure all lines have been drawn first.
VertexBuffer->Lock(0, 0, (void **)&VertexData, D3DLOCK_DISCARD);
IndexBuffer->Lock(0, 0, (void **)&IndexData, D3DLOCK_DISCARD);
VertexPos = 0;
IndexPos = 0;
QuadBatchPos = 0;
BatchType = BATCH_Quads;
}
//==========================================================================
//
// D3DFB :: EndQuadBatch
//
// Draws all the quads that have been batched up.
//
//==========================================================================
void D3DFB::EndQuadBatch()
{
if (In2D < 2 || !InScene || BatchType != BATCH_Quads)
{
return;
}
BatchType = BATCH_None;
VertexBuffer->Unlock();
IndexBuffer->Unlock();
if (QuadBatchPos == 0)
{
QuadBatchPos = -1;
VertexPos = -1;
IndexPos = -1;
return;
}
D3DDevice->SetStreamSource(0, VertexBuffer, 0, sizeof(FBVERTEX));
D3DDevice->SetIndices(IndexBuffer);
bool uv_wrapped = false;
bool uv_should_wrap;
for (int i = 0; i < QuadBatchPos; )
{
const BufferedQuad *quad = &QuadExtra[i];
int j;
// Quads with matching parameters should be done with a single
// DrawPrimitive call.
for (j = i + 1; j < QuadBatchPos; ++j)
{
const BufferedQuad *q2 = &QuadExtra[j];
if (quad->Texture != q2->Texture ||
quad->Group1 != q2->Group1 ||
quad->Palette != q2->Palette)
{
break;
}
}
// Set the palette (if one)
if ((quad->Flags & BQF_Paletted) == BQF_GamePalette)
{
SetPaletteTexture(PaletteTexture, 256, BorderColor);
}
else if ((quad->Flags & BQF_Paletted) == BQF_CustomPalette)
{
SetPaletteTexture(quad->Palette->Tex, quad->Palette->RoundedPaletteSize, quad->Palette->BorderColor);
}
// Set paletted bilinear filtering (IF IT WORKED RIGHT!)
if ((quad->Flags & (BQF_Paletted | BQF_Bilinear)) == (BQF_Paletted | BQF_Bilinear))
{
SetPalTexBilinearConstants(quad->Texture);
}
// Set the alpha blending
SetAlphaBlend(D3DBLENDOP(quad->BlendOp), D3DBLEND(quad->SrcBlend), D3DBLEND(quad->DestBlend));
// Set the alpha test
EnableAlphaTest(!(quad->Flags & BQF_DisableAlphaTest));
// Set the pixel shader
if (quad->ShaderNum == BQS_PalTex)
{
SetPixelShader(Shaders[(quad->Flags & BQF_InvertSource) ?
SHADER_NormalColorPalInv : SHADER_NormalColorPal]);
}
else if (quad->ShaderNum == BQS_Plain)
{
SetPixelShader(Shaders[(quad->Flags & BQF_InvertSource) ?
SHADER_NormalColorInv : SHADER_NormalColor]);
}
else if (quad->ShaderNum == BQS_RedToAlpha)
{
SetPixelShader(Shaders[(quad->Flags & BQF_InvertSource) ?
SHADER_RedToAlphaInv : SHADER_RedToAlpha]);
}
else if (quad->ShaderNum == BQS_ColorOnly)
{
SetPixelShader(Shaders[SHADER_VertexColor]);
}
else if (quad->ShaderNum == BQS_SpecialColormap)
{
int select;
select = !!(quad->Flags & BQF_Paletted);
SetPixelShader(Shaders[SHADER_SpecialColormap + select]);
}
else if (quad->ShaderNum == BQS_InGameColormap)
{
int select;
select = !!(quad->Flags & BQF_Desaturated);
select |= !!(quad->Flags & BQF_InvertSource) << 1;
select |= !!(quad->Flags & BQF_Paletted) << 2;
SetPixelShader(Shaders[SHADER_InGameColormap + select]);
}
// Set the texture clamp addressing mode
uv_should_wrap = !!(quad->Flags & BQF_WrapUV);
if (uv_wrapped != uv_should_wrap)
{
DWORD mode = uv_should_wrap ? D3DTADDRESS_WRAP : D3DTADDRESS_BORDER;
uv_wrapped = uv_should_wrap;
D3DDevice->SetSamplerState(0, D3DSAMP_ADDRESSU, mode);
D3DDevice->SetSamplerState(0, D3DSAMP_ADDRESSV, mode);
}
// Set the texture
if (quad->Texture != NULL)
{
SetTexture(0, quad->Texture->Tex);
}
// Draw the quad
D3DDevice->DrawIndexedPrimitive(D3DPT_TRIANGLELIST, 0, 4 * i, 4 * (j - i), 6 * i, 2 * (j - i));
i = j;
}
if (uv_wrapped)
{
D3DDevice->SetSamplerState(0, D3DSAMP_ADDRESSU, D3DTADDRESS_BORDER);
D3DDevice->SetSamplerState(0, D3DSAMP_ADDRESSV, D3DTADDRESS_BORDER);
}
QuadBatchPos = -1;
VertexPos = -1;
IndexPos = -1;
}
//==========================================================================
//
// D3DFB :: EndBatch
//
// Draws whichever type of primitive is currently being batched.
//
//==========================================================================
void D3DFB::EndBatch()
{
if (BatchType == BATCH_Quads)
{
EndQuadBatch();
}
else if (BatchType == BATCH_Lines)
{
EndLineBatch();
}
}
//==========================================================================
//
// D3DFB :: SetStyle
//
// Patterned after R_SetPatchStyle.
//
//==========================================================================
bool D3DFB::SetStyle(D3DTex *tex, DrawParms &parms, D3DCOLOR &color0, D3DCOLOR &color1, BufferedQuad &quad)
{
D3DFORMAT fmt = tex->GetTexFormat();
FRenderStyle style = parms.style;
float alpha;
bool stencilling;
if (style.Flags & STYLEF_TransSoulsAlpha)
{
alpha = transsouls;
}
else if (style.Flags & STYLEF_Alpha1)
{
alpha = 1;
}
else
{
alpha = clamp<fixed_t> (parms.alpha, 0, FRACUNIT) / 65536.f;
}
// FIXME: Fuzz effect is not written
if (style.BlendOp == STYLEOP_FuzzOrAdd || style.BlendOp == STYLEOP_Fuzz)
{
style.BlendOp = STYLEOP_Add;
}
else if (style.BlendOp == STYLEOP_FuzzOrSub)
{
style.BlendOp = STYLEOP_Sub;
}
else if (style.BlendOp == STYLEOP_FuzzOrRevSub)
{
style.BlendOp = STYLEOP_RevSub;
}
stencilling = false;
quad.Palette = NULL;
quad.Flags = 0;
switch (style.BlendOp)
{
default:
case STYLEOP_Add: quad.BlendOp = D3DBLENDOP_ADD; break;
case STYLEOP_Sub: quad.BlendOp = D3DBLENDOP_SUBTRACT; break;
case STYLEOP_RevSub: quad.BlendOp = D3DBLENDOP_REVSUBTRACT; break;
case STYLEOP_None: return false;
}
quad.SrcBlend = GetStyleAlpha(style.SrcAlpha);
quad.DestBlend = GetStyleAlpha(style.DestAlpha);
if (style.Flags & STYLEF_InvertOverlay)
{
// Only the overlay color is inverted, not the overlay alpha.
parms.colorOverlay = D3DCOLOR_ARGB(APART(parms.colorOverlay),
255 - RPART(parms.colorOverlay), 255 - GPART(parms.colorOverlay),
255 - BPART(parms.colorOverlay));
}
SetColorOverlay(parms.colorOverlay, alpha, color0, color1);
if (style.Flags & STYLEF_ColorIsFixed)
{
if (style.Flags & STYLEF_InvertSource)
{ // Since the source color is a constant, we can invert it now
// without spending time doing it in the shader.
parms.fillcolor = D3DCOLOR_XRGB(255 - RPART(parms.fillcolor),
255 - GPART(parms.fillcolor), 255 - BPART(parms.fillcolor));
}
// Set up the color mod to replace the color from the image data.
color0 = (color0 & D3DCOLOR_RGBA(0,0,0,255)) | (parms.fillcolor & D3DCOLOR_RGBA(255,255,255,0));
color1 &= D3DCOLOR_RGBA(0,0,0,255);
if (style.Flags & STYLEF_RedIsAlpha)
{
// Note that if the source texture is paletted, the palette is ignored.
quad.Flags = 0;
quad.ShaderNum = BQS_RedToAlpha;
}
else if (fmt == D3DFMT_L8)
{
quad.Flags = BQF_GamePalette;
quad.ShaderNum = BQS_PalTex;
}
else
{
quad.Flags = 0;
quad.ShaderNum = BQS_Plain;
}
}
else
{
if (style.Flags & STYLEF_RedIsAlpha)
{
quad.Flags = 0;
quad.ShaderNum = BQS_RedToAlpha;
}
else if (fmt == D3DFMT_L8)
{
if (parms.remap != NULL)
{
quad.Flags = BQF_CustomPalette;
quad.Palette = reinterpret_cast<D3DPal *>(parms.remap->GetNative());
quad.ShaderNum = BQS_PalTex;
}
else if (tex->IsGray)
{
quad.Flags = 0;
quad.ShaderNum = BQS_Plain;
}
else
{
quad.Flags = BQF_GamePalette;
quad.ShaderNum = BQS_PalTex;
}
}
else
{
quad.Flags = 0;
quad.ShaderNum = BQS_Plain;
}
if (style.Flags & STYLEF_InvertSource)
{
quad.Flags |= BQF_InvertSource;
}
if (parms.specialcolormap != NULL)
{ // Emulate an invulnerability or similar colormap.
float *start, *end;
start = parms.specialcolormap->ColorizeStart;
end = parms.specialcolormap->ColorizeEnd;
if (quad.Flags & BQF_InvertSource)
{
quad.Flags &= ~BQF_InvertSource;
swap(start, end);
}
quad.ShaderNum = BQS_SpecialColormap;
color0 = D3DCOLOR_RGBA(DWORD(start[0]/2*255), DWORD(start[1]/2*255), DWORD(start[2]/2*255), color0 >> 24);
color1 = D3DCOLOR_RGBA(DWORD(end[0]/2*255), DWORD(end[1]/2*255), DWORD(end[2]/2*255), color1 >> 24);
}
else if (parms.colormapstyle != NULL)
{ // Emulate the fading from an in-game colormap (colorized, faded, and desaturated)
if (parms.colormapstyle->Desaturate != 0)
{
quad.Flags |= BQF_Desaturated;
}
quad.ShaderNum = BQS_InGameColormap;
color0 = D3DCOLOR_ARGB(parms.colormapstyle->Desaturate,
parms.colormapstyle->Color.r,
parms.colormapstyle->Color.g,
parms.colormapstyle->Color.b);
double fadelevel = parms.colormapstyle->FadeLevel;
color1 = D3DCOLOR_ARGB(DWORD((1 - fadelevel) * 255),
DWORD(parms.colormapstyle->Fade.r * fadelevel),
DWORD(parms.colormapstyle->Fade.g * fadelevel),
DWORD(parms.colormapstyle->Fade.b * fadelevel));
}
}
// For unmasked images, force the alpha from the image data to be ignored.
if (!parms.masked && quad.ShaderNum != BQS_InGameColormap)
{
color0 = (color0 & D3DCOLOR_RGBA(255, 255, 255, 0)) | D3DCOLOR_COLORVALUE(0, 0, 0, alpha);
color1 &= D3DCOLOR_RGBA(255, 255, 255, 0);
// If our alpha is one and we are doing normal adding, then we can turn the blend off completely.
if (quad.BlendOp == D3DBLENDOP_ADD &&
((alpha == 1 && quad.SrcBlend == D3DBLEND_SRCALPHA) || quad.SrcBlend == D3DBLEND_ONE) &&
((alpha == 1 && quad.DestBlend == D3DBLEND_INVSRCALPHA) || quad.DestBlend == D3DBLEND_ZERO))
{
quad.BlendOp = D3DBLENDOP(0);
}
quad.Flags |= BQF_DisableAlphaTest;
}
return true;
}
D3DBLEND D3DFB::GetStyleAlpha(int type)
{
switch (type)
{
case STYLEALPHA_Zero: return D3DBLEND_ZERO;
case STYLEALPHA_One: return D3DBLEND_ONE;
case STYLEALPHA_Src: return D3DBLEND_SRCALPHA;
case STYLEALPHA_InvSrc: return D3DBLEND_INVSRCALPHA;
default: return D3DBLEND_ZERO;
}
}
void D3DFB::SetColorOverlay(DWORD color, float alpha, D3DCOLOR &color0, D3DCOLOR &color1)
{
if (APART(color) != 0)
{
int a = APART(color) * 256 / 255;
color0 = D3DCOLOR_RGBA(
(RPART(color) * a) >> 8,
(GPART(color) * a) >> 8,
(BPART(color) * a) >> 8,
0);
a = 256 - a;
color1 = D3DCOLOR_RGBA(a, a, a, int(alpha * 255));
}
else
{
color0 = 0;
color1 = D3DCOLOR_COLORVALUE(1, 1, 1, alpha);
}
}
void D3DFB::EnableAlphaTest(BOOL enabled)
{
if (enabled != AlphaTestEnabled)
{
AlphaTestEnabled = enabled;
D3DDevice->SetRenderState(D3DRS_ALPHATESTENABLE, enabled);
}
}
void D3DFB::SetAlphaBlend(D3DBLENDOP op, D3DBLEND srcblend, D3DBLEND destblend)
{
if (op == 0)
{ // Disable alpha blend
if (AlphaBlendEnabled)
{
AlphaBlendEnabled = FALSE;
D3DDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, FALSE);
}
}
else
{ // Enable alpha blend
assert(srcblend != 0);
assert(destblend != 0);
if (!AlphaBlendEnabled)
{
AlphaBlendEnabled = TRUE;
D3DDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, TRUE);
}
if (AlphaBlendOp != op)
{
AlphaBlendOp = op;
D3DDevice->SetRenderState(D3DRS_BLENDOP, op);
}
if (AlphaSrcBlend != srcblend)
{
AlphaSrcBlend = srcblend;
D3DDevice->SetRenderState(D3DRS_SRCBLEND, srcblend);
}
if (AlphaDestBlend != destblend)
{
AlphaDestBlend = destblend;
D3DDevice->SetRenderState(D3DRS_DESTBLEND, destblend);
}
}
}
void D3DFB::SetConstant(int cnum, float r, float g, float b, float a)
{
if (Constant[cnum][0] != r ||
Constant[cnum][1] != g ||
Constant[cnum][2] != b ||
Constant[cnum][3] != a)
{
Constant[cnum][0] = r;
Constant[cnum][1] = g;
Constant[cnum][2] = b;
Constant[cnum][3] = a;
D3DDevice->SetPixelShaderConstantF(cnum, Constant[cnum], 1);
}
}
void D3DFB::SetPixelShader(IDirect3DPixelShader9 *shader)
{
if (CurPixelShader != shader)
{
CurPixelShader = shader;
D3DDevice->SetPixelShader(shader);
}
}
void D3DFB::SetTexture(int tnum, IDirect3DTexture9 *texture)
{
if (Texture[tnum] != texture)
{
Texture[tnum] = texture;
D3DDevice->SetTexture(tnum, texture);
}
}
CVAR(Float, pal, 0.5f, 0)
CVAR(Float, pc, 255.f, 0)
void D3DFB::SetPaletteTexture(IDirect3DTexture9 *texture, int count, D3DCOLOR border_color)
{
if (SM14)
{
// Shader Model 1.4 only uses 256-color palettes.
SetConstant(PSCONST_PaletteMod, 1.f, 0.5f / 256.f, 0, 0);
if (border_color != 0 && CurBorderColor != border_color)
{
CurBorderColor = border_color;
D3DDevice->SetSamplerState(1, D3DSAMP_BORDERCOLOR, border_color);
}
}
else
{
// The pixel shader receives color indexes in the range [0.0,1.0].
// The palette texture is also addressed in the range [0.0,1.0],
// HOWEVER the coordinate 1.0 is the right edge of the texture and
// not actually the texture itself. We need to scale and shift
// the palette indexes so they lie exactly in the center of each
// texel. For a normal palette with 256 entries, that means the
// range we use should be [0.5,255.5], adjusted so the coordinate
// is still within [0.0,1.0].
//
// The constant register c2 is used to hold the multiplier in the
// x part and the adder in the y part.
float fcount = 1 / float(count);
SetConstant(PSCONST_PaletteMod, pc * fcount, pal * fcount, 0, 0);
}
SetTexture(1, texture);
}
void D3DFB::SetPalTexBilinearConstants(PackingTexture *tex)
{
#if 0
float con[8];
// Don't bother doing anything if the constants won't be used.
if (PalTexShader == PalTexBilinearShader)
{
return;
}
con[0] = float(tex->Width);
con[1] = float(tex->Height);
con[2] = 0;
con[3] = 1 / con[0];
con[4] = 0;
con[5] = 1 / con[1];
con[6] = con[5];
con[7] = con[3];
D3DDevice->SetPixelShaderConstantF(3, con, 2);
#endif
}
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