the old-new win32 port

[picodrive.git] / platform / win32 / GenaDrive / Direct.cpp

#include "app.h"\r
\r
#ifdef USE_D3D\r
// d3d\r
static IDirect3D8 *Direct3D=NULL;\r
IDirect3DDevice8 *Device=NULL;\r
IDirect3DSurface8 *DirectBack=NULL; // Back Buffer\r
\r
static IDirect3DVertexBuffer8 *VertexBuffer=NULL;\r
\r
struct CustomVertex\r
{\r
  float x,y,z; // Vertex cordinates\r
  unsigned int colour;\r
  float u,v; // Texture coordinates\r
};\r
#define D3DFVF_CUSTOMVERTEX (D3DFVF_XYZ|D3DFVF_DIFFUSE|D3DFVF_TEX1)\r
\r
static CustomVertex VertexList[4];\r
#endif\r
\r
// ddraw\r
#include <ddraw.h>\r
\r
LPDIRECTDRAW7        m_pDD = NULL;\r
LPDIRECTDRAWSURFACE7 m_pddsFrontBuffer = NULL;\r
LPDIRECTDRAWSURFACE7 m_pddsBackBuffer = NULL;\r
\r
// quick and dirty stuff..\r
static void DirectExitDDraw()\r
{\r
  RELEASE(m_pddsBackBuffer);\r
  RELEASE(m_pddsFrontBuffer);\r
  RELEASE(m_pDD);\r
}\r
\r
static int DirectDrawInit()\r
{\r
  HRESULT ret;\r
  LPDIRECTDRAWCLIPPER pcClipper = NULL;\r
  DDSURFACEDESC2 ddsd;\r
\r
  ret = DirectDrawCreateEx(NULL, (VOID**)&m_pDD, IID_IDirectDraw7, NULL);\r
  if (ret) { LOGFAIL(); return 1; }\r
\r
  // Set cooperative level\r
  ret = m_pDD->SetCooperativeLevel( FrameWnd, DDSCL_NORMAL );\r
  if (ret) { LOGFAIL(); goto fail; }\r
\r
  // Create the primary surface\r
  ZeroMemory( &ddsd, sizeof( ddsd ) );\r
  ddsd.dwSize         = sizeof( ddsd );\r
  ddsd.dwFlags        = DDSD_CAPS;\r
  ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;\r
\r
  ret = m_pDD->CreateSurface( &ddsd, &m_pddsFrontBuffer, NULL );\r
  if (ret) { LOGFAIL(); goto fail; }\r
\r
  // Create the backbuffer surface\r
  ddsd.dwFlags        = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT;\r
  ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN | DDSCAPS_SYSTEMMEMORY;\r
  ddsd.dwWidth        = EmuWidth;\r
  ddsd.dwHeight       = EmuHeight;\r
\r
  ret = m_pDD->CreateSurface( &ddsd, &m_pddsBackBuffer, NULL );\r
  if (ret) { LOGFAIL(); goto fail; }\r
\r
  // clipper\r
  ret = m_pDD->CreateClipper( 0, &pcClipper, NULL );\r
  if (ret) { LOGFAIL(); goto fail; }\r
\r
  ret = pcClipper->SetHWnd( 0, FrameWnd );\r
  if (ret) { LOGFAIL(); goto fail; }\r
\r
  ret = m_pddsFrontBuffer->SetClipper( pcClipper );\r
  if (ret) { LOGFAIL(); goto fail; }\r
\r
  RELEASE(pcClipper);\r
  return 0;\r
\r
fail:\r
  RELEASE(pcClipper);\r
  DirectExitDDraw();\r
  return 1;\r
}\r
\r
static int DirectScreenDDraw()\r
{\r
  DDSURFACEDESC2 sd;\r
  unsigned short *ps=EmuScreen;\r
  int ret, x, y;\r
\r
  memset(&sd, 0, sizeof(sd));\r
  sd.dwSize = sizeof(sd);\r
  ret = m_pddsBackBuffer->Lock(NULL, &sd, DDLOCK_SURFACEMEMORYPTR|DDLOCK_WAIT|DDLOCK_WRITEONLY, NULL);\r
  if (ret) { LOGFAIL(); return 1; }\r
\r
  //lprintf("w: %i h: %i pi: %i pf: %i\n", sd.dwWidth, sd.dwHeight, sd.lPitch, sd.ddpfPixelFormat.dwRGBBitCount);\r
\r
  if (sd.ddpfPixelFormat.dwRGBBitCount == 32)\r
  {\r
    int *dst = (int *)sd.lpSurface;\r
    for (y = 0; y < EmuHeight; y++)\r
    {\r
      for (x = 0; x < EmuWidth; x++)\r
      {\r
        int s = *ps++;\r
        dst[x] = ((s&0xf800)<<8) | ((s&0x07e0)<<5) | ((s&0x001f)<<3);\r
      }\r
      dst = (int *)((char *)dst + sd.lPitch);\r
    }\r
  }\r
  else if (sd.ddpfPixelFormat.dwRGBBitCount == 24) /* wine uses this for me */\r
  {\r
    void *dst = sd.lpSurface;\r
    for (y = 0; y < EmuHeight; y++)\r
    {\r
      unsigned char *dst1 = (unsigned char *) dst;\r
      for (x = 0; x < EmuWidth; x++, dst1 += 3)\r
      {\r
        int s = *ps++;\r
	dst1[2] = (s&0xf800)>>8; dst1[1] = (s&0x07e0)>>3; dst1[0] = s<<3; // BGR\r
      }\r
      dst = (void *)((char *)dst + sd.lPitch);\r
    }\r
  }\r
  else if (sd.ddpfPixelFormat.dwRGBBitCount == 16)\r
  {\r
    unsigned short *dst = (unsigned short *)sd.lpSurface;\r
    for (y = 0; y < EmuHeight; y++)\r
    {\r
      memcpy(dst, ps, EmuWidth*2);\r
      ps += EmuWidth;\r
      dst = (unsigned short *)((char *)dst + sd.lPitch);\r
    }\r
  }\r
  else\r
  {\r
    LOGFAIL();\r
  }\r
\r
  ret = m_pddsBackBuffer->Unlock(NULL);\r
  if (ret) { LOGFAIL(); return 1; }\r
  return 0;\r
}\r
\r
static int DirectClearDDraw(unsigned int colour)\r
{\r
  int ret;\r
  DDBLTFX ddbltfx;\r
  ZeroMemory( &ddbltfx, sizeof(ddbltfx) );\r
  ddbltfx.dwSize      = sizeof(ddbltfx);\r
  ddbltfx.dwFillColor = colour;\r
\r
  if (m_pddsBackBuffer != NULL)\r
    ret = m_pddsBackBuffer->Blt( NULL, NULL, NULL, DDBLT_COLORFILL, &ddbltfx );\r
  if (ret) { LOGFAIL(); return 1; }\r
  return 0;\r
}\r
\r
static int DirectPresentDDraw()\r
{\r
  int ret = 0;\r
  if (FrameRectMy.right - FrameRectMy.left > 0 && FrameRectMy.bottom - FrameRectMy.top > 0)\r
    ret = m_pddsFrontBuffer->Blt(&FrameRectMy, m_pddsBackBuffer, &EmuScreenRect, DDBLT_WAIT, NULL);\r
  if (ret) { LOGFAIL(); return 1; }\r
  return 0;\r
}\r
\r
\r
/* D3D */\r
\r
int DirectInit()\r
{\r
#if USE_D3D\r
  D3DPRESENT_PARAMETERS d3dpp;\r
  D3DDISPLAYMODE mode;\r
  int i,u,ret=0;\r
\r
  memset(&d3dpp,0,sizeof(d3dpp));\r
  memset(&mode,0,sizeof(mode));\r
\r
  Direct3D=Direct3DCreate8(D3D_SDK_VERSION); if (Direct3D==NULL) return 1;\r
\r
  // Set up the structure used to create the D3D device:\r
  d3dpp.BackBufferWidth =MainWidth;\r
  d3dpp.BackBufferHeight=MainHeight;\r
  d3dpp.BackBufferCount =1;\r
  d3dpp.SwapEffect=D3DSWAPEFFECT_DISCARD;\r
  d3dpp.MultiSampleType =D3DMULTISAMPLE_NONE;\r
\r
#ifdef _XBOX\r
  d3dpp.BackBufferFormat=D3DFMT_X8R8G8B8;\r
  d3dpp.FullScreen_RefreshRateInHz=60;\r
#else\r
  Direct3D->GetAdapterDisplayMode(D3DADAPTER_DEFAULT,&mode);\r
  d3dpp.BackBufferFormat=mode.Format;\r
  d3dpp.Windowed=1;\r
  d3dpp.hDeviceWindow=FrameWnd;\r
#endif\r
\r
  // Try to create a device with hardware vertex processing:\r
  for (i=0;i<3;i++)\r
  {\r
    int behave=D3DCREATE_HARDWARE_VERTEXPROCESSING;\r
\r
    // Try software vertex processing:\r
    if (i==1) behave=D3DCREATE_MIXED_VERTEXPROCESSING;\r
    if (i==2) behave=D3DCREATE_SOFTWARE_VERTEXPROCESSING;\r
\r
    Direct3D->CreateDevice(D3DADAPTER_DEFAULT,D3DDEVTYPE_HAL,FrameWnd,\r
        behave|D3DCREATE_MULTITHREADED,&d3dpp,&Device);\r
    if (Device) break;\r
  }\r
\r
  if (Device==NULL)\r
  {\r
#if 0\r
    // try ref\r
    Direct3D->CreateDevice(D3DADAPTER_DEFAULT,D3DDEVTYPE_REF,FrameWnd,\r
        D3DCREATE_SOFTWARE_VERTEXPROCESSING|D3DCREATE_MULTITHREADED,&d3dpp,&Device);\r
    if (Device==NULL) goto fail0;\r
    HMODULE test = LoadLibrary("d3d8d.dll");\r
    if (test != NULL) FreeLibrary(test);\r
    else {\r
      error("Sorry, but this program requires Direct3D with hardware acceleration.\n\n"\r
            "You can try using Direct3D software emulation, but you have to install "\r
            "DirectX SDK for it to work\n(it seems to be missing now).");\r
      goto fail1;\r
    }\r
#else\r
    goto fail1;\r
#endif\r
  }\r
\r
  Device->GetBackBuffer(0,D3DBACKBUFFER_TYPE_MONO,&DirectBack);\r
  if (DirectBack==NULL) goto fail1;\r
\r
  Device->CreateVertexBuffer(sizeof(VertexList),0,D3DFVF_CUSTOMVERTEX,D3DPOOL_DEFAULT,&VertexBuffer);\r
  if (VertexBuffer==NULL) goto fail2;\r
\r
  ret=TexScreenInit(); if (ret) goto fail3;\r
\r
  //FontInit();\r
\r
  Device->SetRenderState(D3DRS_LIGHTING,0); // Turn off lighting\r
\r
  // Set up texture modes:\r
  Device->SetTextureStageState(0,D3DTSS_ADDRESSU,D3DTADDRESS_CLAMP);\r
  Device->SetTextureStageState(0,D3DTSS_ADDRESSV,D3DTADDRESS_CLAMP);\r
\r
  return 0;\r
\r
fail3:\r
  RELEASE(VertexBuffer)\r
fail2:\r
  RELEASE(DirectBack)\r
fail1:\r
  RELEASE(Device)\r
fail0:\r
  RELEASE(Direct3D)\r
\r
  // error("Failed to use Direct3D, trying DirectDraw..");\r
#endif\r
  // try DirectDraw\r
  return DirectDrawInit();\r
}\r
\r
void DirectExit()\r
{\r
#ifdef USE_D3D\r
  TexScreenExit();\r
\r
  // d3d\r
  RELEASE(VertexBuffer)\r
  RELEASE(DirectBack)\r
  RELEASE(Device)\r
  RELEASE(Direct3D)\r
#endif\r
  DirectExitDDraw();\r
}\r
\r
int DirectClear(unsigned int colour)\r
{\r
#ifdef USE_D3D\r
  if (Device != NULL) {\r
    Device->Clear(0,NULL,D3DCLEAR_TARGET,colour,1.0f,0);\r
    return 0;\r
  }\r
#endif\r
\r
  return DirectClearDDraw(colour);\r
}\r
\r
int DirectPresent()\r
{\r
#ifdef USE_D3D\r
  if (Device != NULL) {\r
    Device->Present(NULL,NULL,NULL,NULL);\r
    return 0;\r
  }\r
#endif\r
\r
  return DirectPresentDDraw();\r
}\r
\r
#ifdef USE_D3D\r
#define PI 3.14159265f\r
\r
static int MakeVertexList()\r
{\r
  struct CustomVertex *vert=NULL,*pv=NULL;\r
  float dist=0.0f;\r
  float scalex=0.0f,scaley=0.0f;\r
  unsigned int colour=0xffffff;\r
  float right=0.0f,bottom=0.0f;\r
\r
  if (LoopMode!=8) colour=0x102040;\r
\r
  dist=10.0f; scalex=dist*1.3333f; scaley=dist;\r
\r
  scalex*=640.0f/(float)MainWidth;\r
  scaley*=448.0f/(float)MainHeight;\r
\r
  vert=VertexList;\r
\r
  // Put the vertices for the corners of the screen:\r
  pv=vert;\r
  pv->z=dist;\r
  pv->x=-scalex; pv->y=scaley;\r
  pv->colour=colour; pv++;\r
\r
  *pv=vert[0]; pv->x= scalex; pv->y= scaley; pv++;\r
  *pv=vert[0]; pv->x=-scalex; pv->y=-scaley; pv++;\r
  *pv=vert[0]; pv->x= scalex; pv->y=-scaley; pv++;\r
\r
  // Find where the screen images ends on the texture\r
  right =(float)EmuWidth /(float)TexWidth;\r
  bottom=(float)EmuHeight/(float)TexHeight;\r
\r
  // Write texture coordinates:\r
  pv=vert;\r
  pv->u=0.0f;  pv->v=0.00f;  pv++;\r
  pv->u=right; pv->v=0.00f;  pv++;\r
  pv->u=0.0f;  pv->v=bottom; pv++;\r
  pv->u=right; pv->v=bottom; pv++;\r
\r
  return 0;\r
}\r
\r
static int SetupMatrices()\r
{\r
  D3DXVECTOR3 eye ( 0.0f, 0.0f, 0.0f );\r
  D3DXVECTOR3 look( 0.0f, 0.0f, 0.0f );\r
  D3DXVECTOR3 up  ( 0.0f, 1.0f, 0.0f );\r
  D3DXMATRIX mat;\r
  float nudgex=0.0f,nudgey=0.0f;\r
\r
  memset(&mat,0,sizeof(mat));\r
\r
  mat.m[0][0]=mat.m[1][1]=mat.m[2][2]=mat.m[3][3]=1.0f;\r
  Device->SetTransform(D3DTS_WORLD,&mat);\r
\r
  look.x=(float)Inp.axis[2]/2457.6f;\r
  look.y=(float)Inp.axis[3]/2457.6f;\r
  look.z=10.0f;\r
\r
  // Nudge pixels to the centre of each screen pixel:\r
  nudgex=13.3333f/(float)(MainWidth <<1);\r
  nudgey=10.0000f/(float)(MainHeight<<1);\r
  eye.x +=nudgex; eye.y +=nudgey;\r
  look.x+=nudgex; look.y+=nudgey;\r
\r
  D3DXMatrixLookAtLH(&mat,&eye,&look,&up);\r
  Device->SetTransform(D3DTS_VIEW,&mat);\r
\r
  D3DXMatrixPerspectiveFovLH(&mat, 0.5f*PI, 1.3333f, 0.2f, 1000.0f);\r
  Device->SetTransform(D3DTS_PROJECTION,&mat);\r
  return 0;\r
}\r
\r
int DirectScreen()\r
{\r
  unsigned char *lock=NULL;\r
  int ret;\r
\r
  if (Device == NULL)\r
    return DirectScreenDDraw();\r
\r
  // Copy the screen to the screen texture:\r
#ifdef _XBOX\r
  TexScreenSwizzle();\r
#else\r
  ret=TexScreenLinear();\r
  if (ret) lprintf("TexScreenLinear failed\n");\r
#endif\r
\r
  SetupMatrices();\r
\r
  MakeVertexList();\r
\r
  // Copy vertices in:\r
  VertexBuffer->Lock(0,sizeof(VertexList),&lock,0);\r
  if (lock==NULL) { lprintf("VertexBuffer->Lock failed\n"); return 1; }\r
  memcpy(lock,VertexList,sizeof(VertexList));\r
  VertexBuffer->Unlock();\r
\r
  Device->BeginScene();\r
  Device->SetTexture(0,TexScreen);\r
  Device->SetStreamSource(0,VertexBuffer,sizeof(CustomVertex));\r
  Device->SetVertexShader(D3DFVF_CUSTOMVERTEX);\r
  Device->DrawPrimitive(D3DPT_TRIANGLESTRIP,0,2);\r
  Device->EndScene();\r
\r
  return 0;\r
}\r
#else\r
int DirectScreen()\r
{\r
  return DirectScreenDDraw();\r
}\r
#endif\r
\r