graphics/d3dtexture.c - wine - Git at Google

 /* Direct3D Texture
    (c) 1998 Lionel ULMER

    This files contains the implementation of interface Direct3DTexture2. */


 #include <string.h>
 #include "config.h"
 #include "windef.h"
 #include "winerror.h"
 #include "wine/obj_base.h"
 #include "heap.h"
 #include "ddraw.h"
 #include "d3d.h"
 #include "debug.h"

 #include "d3d_private.h"

 #ifdef HAVE_MESAGL

 /* Define this if you want to save to a file all the textures used by a game
    (can be funny to see how they managed to cram all the pictures in
    texture memory) */
 #undef TEXTURE_SNOOP

 static ICOM_VTABLE(IDirect3DTexture2) texture2_vtable;
 static ICOM_VTABLE(IDirect3DTexture) texture_vtable;

 /*******************************************************************************
  *				Texture2 Creation functions
  */
 LPDIRECT3DTEXTURE2 d3dtexture2_create(IDirectDrawSurface4Impl* surf)
 {
   IDirect3DTexture2Impl* tex;

   tex = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(IDirect3DTexture2Impl));
   tex->ref = 1;
   tex->lpvtbl = &texture2_vtable;
   tex->surface = surf;

   return (LPDIRECT3DTEXTURE2)tex;
 }

 /*******************************************************************************
  *				Texture Creation functions
  */
 LPDIRECT3DTEXTURE d3dtexture_create(IDirectDrawSurface4Impl* surf)
 {
   IDirect3DTexture2Impl* tex;

   tex = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(IDirect3DTexture2Impl));
   tex->ref = 1;
   tex->lpvtbl = (ICOM_VTABLE(IDirect3DTexture2)*)&texture_vtable;
   tex->surface = surf;

   return (LPDIRECT3DTEXTURE)tex;
 }


 /*******************************************************************************
  *				IDirect3DTexture2 methods
  */

 static HRESULT WINAPI IDirect3DTexture2Impl_QueryInterface(LPDIRECT3DTEXTURE2 iface,
 							REFIID riid,
 							LPVOID* ppvObj)
 {
   ICOM_THIS(IDirect3DTexture2Impl,iface);
   char xrefiid[50];

   WINE_StringFromCLSID((LPCLSID)riid,xrefiid);
   FIXME(ddraw, "(%p)->(%s,%p): stub\n", This, xrefiid,ppvObj);

   return S_OK;
 }


 static ULONG WINAPI IDirect3DTexture2Impl_AddRef(LPDIRECT3DTEXTURE2 iface)
 {
   ICOM_THIS(IDirect3DTexture2Impl,iface);
   TRACE(ddraw, "(%p)->()incrementing from %lu.\n", This, This->ref );

   return ++(This->ref);
 }


 static ULONG WINAPI IDirect3DTexture2Impl_Release(LPDIRECT3DTEXTURE2 iface)
 {
   ICOM_THIS(IDirect3DTexture2Impl,iface);
   FIXME( ddraw, "(%p)->() decrementing from %lu.\n", This, This->ref );

   if (!--(This->ref)) {
     /* Delete texture from OpenGL */
     glDeleteTextures(1, &(This->tex_name));

     /* Release surface */
     IDirectDrawSurface4_Release((IDirectDrawSurface4*)This->surface);

     HeapFree(GetProcessHeap(),0,This);
     return 0;
   }

   return This->ref;
 }

 /*** IDirect3DTexture methods ***/
 static HRESULT WINAPI IDirect3DTextureImpl_GetHandle(LPDIRECT3DTEXTURE iface,
 						 LPDIRECT3DDEVICE lpD3DDevice,
 						 LPD3DTEXTUREHANDLE lpHandle)
 {
   ICOM_THIS(IDirect3DTexture2Impl,iface);
   IDirect3DDeviceImpl* ilpD3DDevice=(IDirect3DDeviceImpl*)lpD3DDevice;
   FIXME(ddraw, "(%p)->(%p,%p): stub\n", This, ilpD3DDevice, lpHandle);

   *lpHandle = (D3DTEXTUREHANDLE) This;

   /* Now, bind a new texture */
   ilpD3DDevice->set_context(ilpD3DDevice);
   This->D3Ddevice = (void *) ilpD3DDevice;
   if (This->tex_name == 0)
     glGenTextures(1, &(This->tex_name));

   TRACE(ddraw, "OpenGL texture handle is : %d\n", This->tex_name);

   return D3D_OK;
 }

 static HRESULT WINAPI IDirect3DTextureImpl_Initialize(LPDIRECT3DTEXTURE iface,
 						  LPDIRECT3DDEVICE lpD3DDevice,
 						  LPDIRECTDRAWSURFACE lpSurface)
 {
   ICOM_THIS(IDirect3DTexture2Impl,iface);
   TRACE(ddraw, "(%p)->(%p,%p)\n", This, lpD3DDevice, lpSurface);

   return DDERR_ALREADYINITIALIZED;
 }

 static HRESULT WINAPI IDirect3DTextureImpl_Unload(LPDIRECT3DTEXTURE iface)
 {
   ICOM_THIS(IDirect3DTexture2Impl,iface);
   FIXME(ddraw, "(%p)->(): stub\n", This);

   return D3D_OK;
 }

 /*** IDirect3DTexture2 methods ***/
 static HRESULT WINAPI IDirect3DTexture2Impl_GetHandle(LPDIRECT3DTEXTURE2 iface,
 						  LPDIRECT3DDEVICE2 lpD3DDevice2,
 						  LPD3DTEXTUREHANDLE lpHandle)
 {
   ICOM_THIS(IDirect3DTexture2Impl,iface);
   IDirect3DDevice2Impl* ilpD3DDevice2=(IDirect3DDevice2Impl*)lpD3DDevice2;
   TRACE(ddraw, "(%p)->(%p,%p)\n", This, ilpD3DDevice2, lpHandle);

   /* For 32 bits OSes, handles = pointers */
   *lpHandle = (D3DTEXTUREHANDLE) This;

   /* Now, bind a new texture */
   ilpD3DDevice2->set_context(ilpD3DDevice2);
   This->D3Ddevice = (void *) ilpD3DDevice2;
   if (This->tex_name == 0)
   glGenTextures(1, &(This->tex_name));

   TRACE(ddraw, "OpenGL texture handle is : %d\n", This->tex_name);

   return D3D_OK;
 }

 /* Common methods */
 static HRESULT WINAPI IDirect3DTexture2Impl_PaletteChanged(LPDIRECT3DTEXTURE2 iface,
 						       DWORD dwStart,
 						       DWORD dwCount)
 {
   ICOM_THIS(IDirect3DTexture2Impl,iface);
   FIXME(ddraw, "(%p)->(%8ld,%8ld): stub\n", This, dwStart, dwCount);

   return D3D_OK;
 }

 /* NOTE : if you experience crashes in this function, you must have a buggy
           version of Mesa. See the file d3dtexture.c for a cure */
 static HRESULT WINAPI IDirect3DTexture2Impl_Load(LPDIRECT3DTEXTURE2 iface,
 					     LPDIRECT3DTEXTURE2 lpD3DTexture2)
 {
   ICOM_THIS(IDirect3DTexture2Impl,iface);
   IDirect3DTexture2Impl* ilpD3DTexture2=(IDirect3DTexture2Impl*)lpD3DTexture2;
   DDSURFACEDESC	*src_d, *dst_d;
   TRACE(ddraw, "(%p)->(%p)\n", This, ilpD3DTexture2);

   TRACE(ddraw, "Copied to surface %p, surface %p\n", This->surface, ilpD3DTexture2->surface);

   /* Suppress the ALLOCONLOAD flag */
   This->surface->s.surface_desc.ddsCaps.dwCaps &= ~DDSCAPS_ALLOCONLOAD;

   /* Copy one surface on the other */
   dst_d = &(This->surface->s.surface_desc);
   src_d = &(ilpD3DTexture2->surface->s.surface_desc);

   if ((src_d->dwWidth != dst_d->dwWidth) || (src_d->dwHeight != dst_d->dwHeight)) {
     /* Should also check for same pixel format, lPitch, ... */
     ERR(ddraw, "Error in surface sizes\n");
     return D3DERR_TEXTURE_LOAD_FAILED;
   } else {
     /* LPDIRECT3DDEVICE2 d3dd = (LPDIRECT3DDEVICE2) This->D3Ddevice; */
     /* I should put a macro for the calculus of bpp */
     int bpp = (src_d->ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED8 ?
 	       1 /* 8 bit of palette index */:
 	       src_d->ddpfPixelFormat.x.dwRGBBitCount / 8 /* RGB bits for each colors */ );
     GLuint current_texture;

     /* Not sure if this is usefull ! */
     memcpy(dst_d->y.lpSurface, src_d->y.lpSurface, src_d->dwWidth * src_d->dwHeight * bpp);

     /* Now, load the texture */
     /* d3dd->set_context(d3dd); We need to set the context somehow.... */
     glGetIntegerv(GL_TEXTURE_BINDING_2D, &current_texture);

     /* If the GetHandle was not done, get the texture name here */
     if (This->tex_name == 0)
       glGenTextures(1, &(This->tex_name));
     glBindTexture(GL_TEXTURE_2D, This->tex_name);

     if (src_d->ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED8) {
       /* ****************
 	 Paletted Texture
 	 **************** */
       IDirectDrawPaletteImpl* pal = This->surface->s.palette;
       BYTE table[256][4];
       int i;

       if (pal == NULL) {
 	ERR(ddraw, "Palettized texture Loading with a NULL palette !\n");
 	return D3DERR_TEXTURE_LOAD_FAILED;
       }

       /* Get the surface's palette */
       for (i = 0; i < 256; i++) {
 	table[i][0] = pal->palents[i].peRed;
 	table[i][1] = pal->palents[i].peGreen;
 	table[i][2] = pal->palents[i].peBlue;
 	if ((This->surface->s.surface_desc.dwFlags & DDSD_CKSRCBLT) &&
 	    (i >= This->surface->s.surface_desc.ddckCKSrcBlt.dwColorSpaceLowValue) &&
 	    (i <= This->surface->s.surface_desc.ddckCKSrcBlt.dwColorSpaceHighValue))
 	  table[i][3] = 0x00;
 	else
 	table[i][3] = 0xFF;
       }

 #ifdef TEXTURE_SNOOP
       {
 	FILE *f;
 	char buf[32];
 	int x, y;

 	sprintf(buf, "%d.pnm", This->tex_name);
 	f = fopen(buf, "wb");
 	fprintf(f, "P6\n%d %d\n255\n", src_d->dwWidth, src_d->dwHeight);
 	for (y = 0; y < src_d->dwHeight; y++) {
 	  for (x = 0; x < src_d->dwWidth; x++) {
 	    unsigned char c = ((unsigned char *) src_d->y.lpSurface)[y * src_d->dwWidth + x];
 	    fputc(table[c][0], f);
 	    fputc(table[c][1], f);
 	    fputc(table[c][2], f);
 	  }
 	}
 	fclose(f);
       }
 #endif
       /* Use Paletted Texture Extension */
       glColorTableEXT(GL_TEXTURE_2D,    /* target */
 		      GL_RGBA,          /* internal format */
 		      256,              /* table size */
 		      GL_RGBA,          /* table format */
 		      GL_UNSIGNED_BYTE, /* table type */
 		      table);           /* the color table */

       glTexImage2D(GL_TEXTURE_2D,       /* target */
 		   0,                   /* level */
 		   GL_COLOR_INDEX8_EXT, /* internal format */
 		   src_d->dwWidth, src_d->dwHeight, /* width, height */
 		   0,                   /* border */
 		   GL_COLOR_INDEX,      /* texture format */
 		   GL_UNSIGNED_BYTE,    /* texture type */
 		   src_d->y.lpSurface); /* the texture */
     } else if (src_d->ddpfPixelFormat.dwFlags & DDPF_RGB) {
       /* ************
 	 RGB Textures
 	 ************ */
       if (src_d->ddpfPixelFormat.x.dwRGBBitCount == 8) {
 	/* **********************
 	   GL_UNSIGNED_BYTE_3_3_2
 	   ********************** */
 	glTexImage2D(GL_TEXTURE_2D,
 		     0,
 		     GL_RGB,
 		     src_d->dwWidth, src_d->dwHeight,
 		     0,
 		     GL_RGB,
 		     GL_UNSIGNED_BYTE_3_3_2,
 		     src_d->y.lpSurface);
       } else if (src_d->ddpfPixelFormat.x.dwRGBBitCount == 16) {
 	if (src_d->ddpfPixelFormat.xy.dwRGBAlphaBitMask == 0x00000000) {
 #ifdef TEXTURE_SNOOP
 	  {
 	    FILE *f;
 	    char buf[32];
 	    int x, y;

 	    sprintf(buf, "%d.pnm", This->tex_name);
 	    f = fopen(buf, "wb");
 	    fprintf(f, "P6\n%d %d\n255\n", src_d->dwWidth, src_d->dwHeight);
 	    for (y = 0; y < src_d->dwHeight; y++) {
 	      for (x = 0; x < src_d->dwWidth; x++) {
 		unsigned short c = ((unsigned short *) src_d->y.lpSurface)[y * src_d->dwWidth + x];
 		fputc((c & 0xF800) >> 8, f);
 		fputc((c & 0x07E0) >> 3, f);
 		fputc((c & 0x001F) << 3, f);
 	      }
 	    }
 	    fclose(f);
 	  }
 #endif
 	  glTexImage2D(GL_TEXTURE_2D,
 		       0,
 		       GL_RGB,
 		       src_d->dwWidth, src_d->dwHeight,
 		       0,
 		       GL_RGB,
 		       GL_UNSIGNED_SHORT_5_6_5,
 		       src_d->y.lpSurface);
 	} else if (src_d->ddpfPixelFormat.xy.dwRGBAlphaBitMask == 0x00000001) {
 #ifdef TEXTURE_SNOOP
 	  {
 	    FILE *f;
 	    char buf[32];
 	    int x, y;

 	    sprintf(buf, "%d.pnm", This->tex_name);
 	    f = fopen(buf, "wb");
 	    fprintf(f, "P6\n%d %d\n255\n", src_d->dwWidth, src_d->dwHeight);
 	    for (y = 0; y < src_d->dwHeight; y++) {
 	      for (x = 0; x < src_d->dwWidth; x++) {
 		unsigned short c = ((unsigned short *) src_d->y.lpSurface)[y * src_d->dwWidth + x];
 		fputc((c & 0xF800) >> 8, f);
 		fputc((c & 0x07C0) >> 3, f);
 		fputc((c & 0x003E) << 2, f);
 	      }
 	    }
 	    fclose(f);
 	  }
 #endif

 	  glTexImage2D(GL_TEXTURE_2D,
 		       0,
 		       GL_RGBA,
 		       src_d->dwWidth, src_d->dwHeight,
 		       0,
 		       GL_RGBA,
 		       GL_UNSIGNED_SHORT_5_5_5_1,
 		       src_d->y.lpSurface);
 	} else if (src_d->ddpfPixelFormat.xy.dwRGBAlphaBitMask == 0x0000000F) {
 	  glTexImage2D(GL_TEXTURE_2D,
 		       0,
 		       GL_RGBA,
 		       src_d->dwWidth, src_d->dwHeight,
 		       0,
 		       GL_RGBA,
 		       GL_UNSIGNED_SHORT_4_4_4_4,
 		       src_d->y.lpSurface);
 	} else {
 	  ERR(ddraw, "Unhandled texture format (bad Aplha channel for a 16 bit texture)\n");
 	}
       } else if (src_d->ddpfPixelFormat.x.dwRGBBitCount == 24) {
 	glTexImage2D(GL_TEXTURE_2D,
 		     0,
 		     GL_RGB,
 		     src_d->dwWidth, src_d->dwHeight,
 		     0,
 		     GL_RGB,
 		     GL_UNSIGNED_BYTE,
 		     src_d->y.lpSurface);
       } else if (src_d->ddpfPixelFormat.x.dwRGBBitCount == 32) {
 	glTexImage2D(GL_TEXTURE_2D,
 		     0,
 		     GL_RGBA,
 		     src_d->dwWidth, src_d->dwHeight,
 		     0,
 		     GL_RGBA,
 		     GL_UNSIGNED_BYTE,
 		     src_d->y.lpSurface);
       } else {
 	ERR(ddraw, "Unhandled texture format (bad RGB count)\n");
       }
     } else {
       ERR(ddraw, "Unhandled texture format (neither RGB nor INDEX)\n");
     }

     glBindTexture(GL_TEXTURE_2D, current_texture);
   }

   return D3D_OK;
 }


 /*******************************************************************************
  *				IDirect3DTexture2 VTable
  */
 static ICOM_VTABLE(IDirect3DTexture2) texture2_vtable = {
   /*** IUnknown methods ***/
   IDirect3DTexture2Impl_QueryInterface,
   IDirect3DTexture2Impl_AddRef,
   IDirect3DTexture2Impl_Release,
   /*** IDirect3DTexture methods ***/
   IDirect3DTexture2Impl_GetHandle,
   IDirect3DTexture2Impl_PaletteChanged,
   IDirect3DTexture2Impl_Load
 };

 /*******************************************************************************
  *				IDirect3DTexture VTable
  */
 static ICOM_VTABLE(IDirect3DTexture) texture_vtable = {
   /*** IUnknown methods ***/
   IDirect3DTexture2Impl_QueryInterface,
   IDirect3DTexture2Impl_AddRef,
   IDirect3DTexture2Impl_Release,
   /*** IDirect3DTexture methods ***/
   IDirect3DTextureImpl_Initialize,
   IDirect3DTextureImpl_GetHandle,
   IDirect3DTexture2Impl_PaletteChanged,
   IDirect3DTexture2Impl_Load,
   IDirect3DTextureImpl_Unload
 };

 #else /* HAVE_MESAGL */

 /* These function should never be called if MesaGL is not present */
 LPDIRECT3DTEXTURE2 d3dtexture2_create(IDirectDrawSurface4Impl* surf) {
   ERR(ddraw, "Should not be called...\n");
   return NULL;
 }

 LPDIRECT3DTEXTURE d3dtexture_create(IDirectDrawSurface4Impl* surf) {
   ERR(ddraw, "Should not be called...\n");
   return NULL;
 }

 #endif /* HAVE_MESAGL */
	/* Direct3D Texture
	(c) 1998 Lionel ULMER

	This files contains the implementation of interface Direct3DTexture2. */


	#include <string.h>
	#include "config.h"
	#include "windef.h"
	#include "winerror.h"
	#include "wine/obj_base.h"
	#include "heap.h"
	#include "ddraw.h"
	#include "d3d.h"
	#include "debug.h"

	#include "d3d_private.h"

	#ifdef HAVE_MESAGL

	/* Define this if you want to save to a file all the textures used by a game
	(can be funny to see how they managed to cram all the pictures in
	texture memory) */
	#undef TEXTURE_SNOOP

	static ICOM_VTABLE(IDirect3DTexture2) texture2_vtable;
	static ICOM_VTABLE(IDirect3DTexture) texture_vtable;

	/*******************************************************************************
	* Texture2 Creation functions
	*/
	LPDIRECT3DTEXTURE2 d3dtexture2_create(IDirectDrawSurface4Impl* surf)
	{
	IDirect3DTexture2Impl* tex;

	tex = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(IDirect3DTexture2Impl));
	tex->ref = 1;
	tex->lpvtbl = &texture2_vtable;
	tex->surface = surf;

	return (LPDIRECT3DTEXTURE2)tex;
	}

	/*******************************************************************************
	* Texture Creation functions
	*/
	LPDIRECT3DTEXTURE d3dtexture_create(IDirectDrawSurface4Impl* surf)
	{
	IDirect3DTexture2Impl* tex;

	tex = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(IDirect3DTexture2Impl));
	tex->ref = 1;
	tex->lpvtbl = (ICOM_VTABLE(IDirect3DTexture2)*)&texture_vtable;
	tex->surface = surf;

	return (LPDIRECT3DTEXTURE)tex;
	}


	/*******************************************************************************
	* IDirect3DTexture2 methods
	*/

	static HRESULT WINAPI IDirect3DTexture2Impl_QueryInterface(LPDIRECT3DTEXTURE2 iface,
	REFIID riid,
	LPVOID* ppvObj)
	{
	ICOM_THIS(IDirect3DTexture2Impl,iface);
	char xrefiid[50];

	WINE_StringFromCLSID((LPCLSID)riid,xrefiid);
	FIXME(ddraw, "(%p)->(%s,%p): stub\n", This, xrefiid,ppvObj);

	return S_OK;
	}



	static ULONG WINAPI IDirect3DTexture2Impl_AddRef(LPDIRECT3DTEXTURE2 iface)
	{
	ICOM_THIS(IDirect3DTexture2Impl,iface);
	TRACE(ddraw, "(%p)->()incrementing from %lu.\n", This, This->ref );

	return ++(This->ref);
	}



	static ULONG WINAPI IDirect3DTexture2Impl_Release(LPDIRECT3DTEXTURE2 iface)
	{
	ICOM_THIS(IDirect3DTexture2Impl,iface);
	FIXME( ddraw, "(%p)->() decrementing from %lu.\n", This, This->ref );

	if (!--(This->ref)) {
	/* Delete texture from OpenGL */
	glDeleteTextures(1, &(This->tex_name));

	/* Release surface */
	IDirectDrawSurface4_Release((IDirectDrawSurface4*)This->surface);

	HeapFree(GetProcessHeap(),0,This);
	return 0;
	}

	return This->ref;
	}

	/* IDirect3DTexture methods */
	static HRESULT WINAPI IDirect3DTextureImpl_GetHandle(LPDIRECT3DTEXTURE iface,
	LPDIRECT3DDEVICE lpD3DDevice,
	LPD3DTEXTUREHANDLE lpHandle)
	{
	ICOM_THIS(IDirect3DTexture2Impl,iface);
	IDirect3DDeviceImpl* ilpD3DDevice=(IDirect3DDeviceImpl*)lpD3DDevice;
	FIXME(ddraw, "(%p)->(%p,%p): stub\n", This, ilpD3DDevice, lpHandle);

	*lpHandle = (D3DTEXTUREHANDLE) This;

	/* Now, bind a new texture */
	ilpD3DDevice->set_context(ilpD3DDevice);
	This->D3Ddevice = (void *) ilpD3DDevice;
	if (This->tex_name == 0)
	glGenTextures(1, &(This->tex_name));

	TRACE(ddraw, "OpenGL texture handle is : %d\n", This->tex_name);

	return D3D_OK;
	}

	static HRESULT WINAPI IDirect3DTextureImpl_Initialize(LPDIRECT3DTEXTURE iface,
	LPDIRECT3DDEVICE lpD3DDevice,
	LPDIRECTDRAWSURFACE lpSurface)
	{
	ICOM_THIS(IDirect3DTexture2Impl,iface);
	TRACE(ddraw, "(%p)->(%p,%p)\n", This, lpD3DDevice, lpSurface);

	return DDERR_ALREADYINITIALIZED;
	}

	static HRESULT WINAPI IDirect3DTextureImpl_Unload(LPDIRECT3DTEXTURE iface)
	{
	ICOM_THIS(IDirect3DTexture2Impl,iface);
	FIXME(ddraw, "(%p)->(): stub\n", This);

	return D3D_OK;
	}

	/* IDirect3DTexture2 methods */
	static HRESULT WINAPI IDirect3DTexture2Impl_GetHandle(LPDIRECT3DTEXTURE2 iface,
	LPDIRECT3DDEVICE2 lpD3DDevice2,
	LPD3DTEXTUREHANDLE lpHandle)
	{
	ICOM_THIS(IDirect3DTexture2Impl,iface);
	IDirect3DDevice2Impl* ilpD3DDevice2=(IDirect3DDevice2Impl*)lpD3DDevice2;
	TRACE(ddraw, "(%p)->(%p,%p)\n", This, ilpD3DDevice2, lpHandle);

	/* For 32 bits OSes, handles = pointers */
	*lpHandle = (D3DTEXTUREHANDLE) This;

	/* Now, bind a new texture */
	ilpD3DDevice2->set_context(ilpD3DDevice2);
	This->D3Ddevice = (void *) ilpD3DDevice2;
	if (This->tex_name == 0)
	glGenTextures(1, &(This->tex_name));

	TRACE(ddraw, "OpenGL texture handle is : %d\n", This->tex_name);

	return D3D_OK;
	}

	/* Common methods */
	static HRESULT WINAPI IDirect3DTexture2Impl_PaletteChanged(LPDIRECT3DTEXTURE2 iface,
	DWORD dwStart,
	DWORD dwCount)
	{
	ICOM_THIS(IDirect3DTexture2Impl,iface);
	FIXME(ddraw, "(%p)->(%8ld,%8ld): stub\n", This, dwStart, dwCount);

	return D3D_OK;
	}

	/* NOTE : if you experience crashes in this function, you must have a buggy
	version of Mesa. See the file d3dtexture.c for a cure */
	static HRESULT WINAPI IDirect3DTexture2Impl_Load(LPDIRECT3DTEXTURE2 iface,
	LPDIRECT3DTEXTURE2 lpD3DTexture2)
	{
	ICOM_THIS(IDirect3DTexture2Impl,iface);
	IDirect3DTexture2Impl* ilpD3DTexture2=(IDirect3DTexture2Impl*)lpD3DTexture2;
	DDSURFACEDESC src_d, dst_d;
	TRACE(ddraw, "(%p)->(%p)\n", This, ilpD3DTexture2);

	TRACE(ddraw, "Copied to surface %p, surface %p\n", This->surface, ilpD3DTexture2->surface);

	/* Suppress the ALLOCONLOAD flag */
	This->surface->s.surface_desc.ddsCaps.dwCaps &= ~DDSCAPS_ALLOCONLOAD;

	/* Copy one surface on the other */
	dst_d = &(This->surface->s.surface_desc);
	src_d = &(ilpD3DTexture2->surface->s.surface_desc);

	if ((src_d->dwWidth != dst_d->dwWidth) \|\| (src_d->dwHeight != dst_d->dwHeight)) {
	/* Should also check for same pixel format, lPitch, ... */
	ERR(ddraw, "Error in surface sizes\n");
	return D3DERR_TEXTURE_LOAD_FAILED;
	} else {
	/* LPDIRECT3DDEVICE2 d3dd = (LPDIRECT3DDEVICE2) This->D3Ddevice; */
	/* I should put a macro for the calculus of bpp */
	int bpp = (src_d->ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED8 ?
	1 /* 8 bit of palette index */:
	src_d->ddpfPixelFormat.x.dwRGBBitCount / 8 /* RGB bits for each colors */ );
	GLuint current_texture;

	/* Not sure if this is usefull ! */
	memcpy(dst_d->y.lpSurface, src_d->y.lpSurface, src_d->dwWidth * src_d->dwHeight * bpp);

	/* Now, load the texture */
	/* d3dd->set_context(d3dd); We need to set the context somehow.... */
	glGetIntegerv(GL_TEXTURE_BINDING_2D, &current_texture);

	/* If the GetHandle was not done, get the texture name here */
	if (This->tex_name == 0)
	glGenTextures(1, &(This->tex_name));
	glBindTexture(GL_TEXTURE_2D, This->tex_name);

	if (src_d->ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED8) {
	/* ****************
	Paletted Texture
	**************** */
	IDirectDrawPaletteImpl* pal = This->surface->s.palette;
	BYTE table[256][4];
	int i;

	if (pal == NULL) {
	ERR(ddraw, "Palettized texture Loading with a NULL palette !\n");
	return D3DERR_TEXTURE_LOAD_FAILED;
	}

	/* Get the surface's palette */
	for (i = 0; i < 256; i++) {
	table[i][0] = pal->palents[i].peRed;
	table[i][1] = pal->palents[i].peGreen;
	table[i][2] = pal->palents[i].peBlue;
	if ((This->surface->s.surface_desc.dwFlags & DDSD_CKSRCBLT) &&
	(i >= This->surface->s.surface_desc.ddckCKSrcBlt.dwColorSpaceLowValue) &&
	(i <= This->surface->s.surface_desc.ddckCKSrcBlt.dwColorSpaceHighValue))
	table[i][3] = 0x00;
	else
	table[i][3] = 0xFF;
	}

	#ifdef TEXTURE_SNOOP
	{
	FILE *f;
	char buf[32];
	int x, y;

	sprintf(buf, "%d.pnm", This->tex_name);
	f = fopen(buf, "wb");
	fprintf(f, "P6\n%d %d\n255\n", src_d->dwWidth, src_d->dwHeight);
	for (y = 0; y < src_d->dwHeight; y++) {
	for (x = 0; x < src_d->dwWidth; x++) {
	unsigned char c = ((unsigned char ) src_d->y.lpSurface)[y src_d->dwWidth + x];
	fputc(table[c][0], f);
	fputc(table[c][1], f);
	fputc(table[c][2], f);
	}
	}
	fclose(f);
	}
	#endif
	/* Use Paletted Texture Extension */
	glColorTableEXT(GL_TEXTURE_2D, /* target */
	GL_RGBA, /* internal format */
	256, /* table size */
	GL_RGBA, /* table format */
	GL_UNSIGNED_BYTE, /* table type */
	table); /* the color table */

	glTexImage2D(GL_TEXTURE_2D, /* target */
	0, /* level */
	GL_COLOR_INDEX8_EXT, /* internal format */
	src_d->dwWidth, src_d->dwHeight, /* width, height */
	0, /* border */
	GL_COLOR_INDEX, /* texture format */
	GL_UNSIGNED_BYTE, /* texture type */
	src_d->y.lpSurface); /* the texture */
	} else if (src_d->ddpfPixelFormat.dwFlags & DDPF_RGB) {
	/* ************
	RGB Textures
	************ */
	if (src_d->ddpfPixelFormat.x.dwRGBBitCount == 8) {
	/* **********************
	GL_UNSIGNED_BYTE_3_3_2
	********************** */
	glTexImage2D(GL_TEXTURE_2D,
	0,
	GL_RGB,
	src_d->dwWidth, src_d->dwHeight,
	0,
	GL_RGB,
	GL_UNSIGNED_BYTE_3_3_2,
	src_d->y.lpSurface);
	} else if (src_d->ddpfPixelFormat.x.dwRGBBitCount == 16) {
	if (src_d->ddpfPixelFormat.xy.dwRGBAlphaBitMask == 0x00000000) {
	#ifdef TEXTURE_SNOOP
	{
	FILE *f;
	char buf[32];
	int x, y;

	sprintf(buf, "%d.pnm", This->tex_name);
	f = fopen(buf, "wb");
	fprintf(f, "P6\n%d %d\n255\n", src_d->dwWidth, src_d->dwHeight);
	for (y = 0; y < src_d->dwHeight; y++) {
	for (x = 0; x < src_d->dwWidth; x++) {
	unsigned short c = ((unsigned short ) src_d->y.lpSurface)[y src_d->dwWidth + x];
	fputc((c & 0xF800) >> 8, f);
	fputc((c & 0x07E0) >> 3, f);
	fputc((c & 0x001F) << 3, f);
	}
	}
	fclose(f);
	}
	#endif
	glTexImage2D(GL_TEXTURE_2D,
	0,
	GL_RGB,
	src_d->dwWidth, src_d->dwHeight,
	0,
	GL_RGB,
	GL_UNSIGNED_SHORT_5_6_5,
	src_d->y.lpSurface);
	} else if (src_d->ddpfPixelFormat.xy.dwRGBAlphaBitMask == 0x00000001) {
	#ifdef TEXTURE_SNOOP
	{
	FILE *f;
	char buf[32];
	int x, y;

	sprintf(buf, "%d.pnm", This->tex_name);
	f = fopen(buf, "wb");
	fprintf(f, "P6\n%d %d\n255\n", src_d->dwWidth, src_d->dwHeight);
	for (y = 0; y < src_d->dwHeight; y++) {
	for (x = 0; x < src_d->dwWidth; x++) {
	unsigned short c = ((unsigned short ) src_d->y.lpSurface)[y src_d->dwWidth + x];
	fputc((c & 0xF800) >> 8, f);
	fputc((c & 0x07C0) >> 3, f);
	fputc((c & 0x003E) << 2, f);
	}
	}
	fclose(f);
	}
	#endif

	glTexImage2D(GL_TEXTURE_2D,
	0,
	GL_RGBA,
	src_d->dwWidth, src_d->dwHeight,
	0,
	GL_RGBA,
	GL_UNSIGNED_SHORT_5_5_5_1,
	src_d->y.lpSurface);
	} else if (src_d->ddpfPixelFormat.xy.dwRGBAlphaBitMask == 0x0000000F) {
	glTexImage2D(GL_TEXTURE_2D,
	0,
	GL_RGBA,
	src_d->dwWidth, src_d->dwHeight,
	0,
	GL_RGBA,
	GL_UNSIGNED_SHORT_4_4_4_4,
	src_d->y.lpSurface);
	} else {
	ERR(ddraw, "Unhandled texture format (bad Aplha channel for a 16 bit texture)\n");
	}
	} else if (src_d->ddpfPixelFormat.x.dwRGBBitCount == 24) {
	glTexImage2D(GL_TEXTURE_2D,
	0,
	GL_RGB,
	src_d->dwWidth, src_d->dwHeight,
	0,
	GL_RGB,
	GL_UNSIGNED_BYTE,
	src_d->y.lpSurface);
	} else if (src_d->ddpfPixelFormat.x.dwRGBBitCount == 32) {
	glTexImage2D(GL_TEXTURE_2D,
	0,
	GL_RGBA,
	src_d->dwWidth, src_d->dwHeight,
	0,
	GL_RGBA,
	GL_UNSIGNED_BYTE,
	src_d->y.lpSurface);
	} else {
	ERR(ddraw, "Unhandled texture format (bad RGB count)\n");
	}
	} else {
	ERR(ddraw, "Unhandled texture format (neither RGB nor INDEX)\n");
	}

	glBindTexture(GL_TEXTURE_2D, current_texture);
	}

	return D3D_OK;
	}


	/*******************************************************************************
	* IDirect3DTexture2 VTable
	*/
	static ICOM_VTABLE(IDirect3DTexture2) texture2_vtable = {
	/* IUnknown methods */
	IDirect3DTexture2Impl_QueryInterface,
	IDirect3DTexture2Impl_AddRef,
	IDirect3DTexture2Impl_Release,
	/* IDirect3DTexture methods */
	IDirect3DTexture2Impl_GetHandle,
	IDirect3DTexture2Impl_PaletteChanged,
	IDirect3DTexture2Impl_Load
	};

	/*******************************************************************************
	* IDirect3DTexture VTable
	*/
	static ICOM_VTABLE(IDirect3DTexture) texture_vtable = {
	/* IUnknown methods */
	IDirect3DTexture2Impl_QueryInterface,
	IDirect3DTexture2Impl_AddRef,
	IDirect3DTexture2Impl_Release,
	/* IDirect3DTexture methods */
	IDirect3DTextureImpl_Initialize,
	IDirect3DTextureImpl_GetHandle,
	IDirect3DTexture2Impl_PaletteChanged,
	IDirect3DTexture2Impl_Load,
	IDirect3DTextureImpl_Unload
	};

	#else /* HAVE_MESAGL */

	/* These function should never be called if MesaGL is not present */
	LPDIRECT3DTEXTURE2 d3dtexture2_create(IDirectDrawSurface4Impl* surf) {
	ERR(ddraw, "Should not be called...\n");
	return NULL;
	}

	LPDIRECT3DTEXTURE d3dtexture_create(IDirectDrawSurface4Impl* surf) {
	ERR(ddraw, "Should not be called...\n");
	return NULL;
	}

	#endif /* HAVE_MESAGL */