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Sweden-Number/dlls/ddraw/d3dtexture.c

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/* 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 "debugtools.h"
#include "d3d_private.h"
DEFAULT_DEBUG_CHANNEL(ddraw)
#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
#ifdef TEXTURE_SNOOP
#include <stdio.h>
#define SNOOP_PALETTED() \
{ \
FILE *f; \
char buf[32]; \
int x, y; \
\
sprintf(buf, "%ld.pnm", This->tex_name); \
f = fopen(buf, "wb"); \
fprintf(f, "P6\n%ld %ld\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); \
}
#define SNOOP_5650() \
{ \
FILE *f; \
char buf[32]; \
int x, y; \
\
sprintf(buf, "%ld.pnm", This->tex_name); \
f = fopen(buf, "wb"); \
fprintf(f, "P6\n%ld %ld\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); \
}
#define SNOOP_5551() \
{ \
FILE *f; \
char buf[32]; \
int x, y; \
\
sprintf(buf, "%ld.pnm", This->tex_name); \
f = fopen(buf, "wb"); \
fprintf(f, "P6\n%ld %ld\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); \
}
#else
#define SNOOP_PALETTED()
#define SNOOP_5650()
#define SNOOP_5551()
#endif
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;
ICOM_VTBL(tex) = &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;
ICOM_VTBL(tex) = (ICOM_VTABLE(IDirect3DTexture2)*)&texture_vtable;
tex->surface = surf;
return (LPDIRECT3DTEXTURE)tex;
}
/*******************************************************************************
* IDirectSurface callback methods
*/
HRESULT WINAPI SetColorKey_cb(IDirect3DTexture2Impl *texture, DWORD dwFlags, LPDDCOLORKEY ckey )
{
DDSURFACEDESC *tex_d;
int bpp;
GLuint current_texture;
TRACE("(%p) : colorkey callback\n", texture);
/* Get the texture description */
tex_d = &(texture->surface->s.surface_desc);
bpp = (tex_d->ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED8 ?
1 /* 8 bit of palette index */:
tex_d->ddpfPixelFormat.u.dwRGBBitCount / 8 /* RGB bits for each colors */ );
/* Now, save the current texture */
ENTER_GL();
glGetIntegerv(GL_TEXTURE_BINDING_2D, &current_texture);
/* If the GetHandle was not done yet, it's an error */
if (texture->tex_name == 0) {
ERR("Unloaded texture !\n");
LEAVE_GL();
return DD_OK;
}
glBindTexture(GL_TEXTURE_2D, texture->tex_name);
if (tex_d->ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED8) {
FIXME("Todo Paletted\n");
} else if (tex_d->ddpfPixelFormat.dwFlags & DDPF_RGB) {
if (tex_d->ddpfPixelFormat.u.dwRGBBitCount == 8) {
FIXME("Todo 3_3_2_0\n");
} else if (tex_d->ddpfPixelFormat.u.dwRGBBitCount == 16) {
if (tex_d->ddpfPixelFormat.u4.dwRGBAlphaBitMask == 0x00000000) {
/* Now transform the 5_6_5 into a 5_5_5_1 surface to support color keying */
unsigned short *dest = (unsigned short *) HeapAlloc(GetProcessHeap(),
HEAP_ZERO_MEMORY,
tex_d->dwWidth * tex_d->dwHeight * bpp);
unsigned short *src = (unsigned short *) tex_d->u1.lpSurface;
int x, y;
for (y = 0; y < tex_d->dwHeight; y++) {
for (x = 0; x < tex_d->dwWidth; x++) {
unsigned short cpixel = src[x + y * tex_d->dwWidth];
if ((dwFlags & DDCKEY_SRCBLT) &&
(cpixel >= ckey->dwColorSpaceLowValue) &&
(cpixel <= ckey->dwColorSpaceHighValue)) /* No alpha bit => this pixel is transparent */
dest[x + y * tex_d->dwWidth] = (cpixel & ~0x003F) | ((cpixel & 0x001F) << 1) | 0x0000;
else /* Alpha bit is set => this pixel will be seen */
dest[x + y * tex_d->dwWidth] = (cpixel & ~0x003F) | ((cpixel & 0x001F) << 1) | 0x0001;
}
}
glTexImage2D(GL_TEXTURE_2D,
0,
GL_RGBA,
tex_d->dwWidth, tex_d->dwHeight,
0,
GL_RGBA,
GL_UNSIGNED_SHORT_5_5_5_1,
dest);
/* Frees the temporary surface */
HeapFree(GetProcessHeap(),0,dest);
} else if (tex_d->ddpfPixelFormat.u4.dwRGBAlphaBitMask == 0x00000001) {
FIXME("Todo 5_5_5_1\n");
} else if (tex_d->ddpfPixelFormat.u4.dwRGBAlphaBitMask == 0x0000000F) {
FIXME("Todo 4_4_4_4\n");
} else {
ERR("Unhandled texture format (bad Aplha channel for a 16 bit texture)\n");
}
} else if (tex_d->ddpfPixelFormat.u.dwRGBBitCount == 24) {
FIXME("Todo 8_8_8_0\n");
} else if (tex_d->ddpfPixelFormat.u.dwRGBBitCount == 32) {
FIXME("Todo 8_8_8_8\n");
} else {
ERR("Unhandled texture format (bad RGB count)\n");
}
} else {
ERR("Unhandled texture format (neither RGB nor INDEX)\n");
}
LEAVE_GL();
return DD_OK;
}
/*******************************************************************************
* IDirect3DTexture2 methods
*/
static HRESULT WINAPI IDirect3DTexture2Impl_QueryInterface(LPDIRECT3DTEXTURE2 iface,
REFIID riid,
LPVOID* ppvObj)
{
ICOM_THIS(IDirect3DTexture2Impl,iface);
FIXME("(%p)->(%s,%p): stub\n", This, debugstr_guid(riid),ppvObj);
return S_OK;
}
static ULONG WINAPI IDirect3DTexture2Impl_AddRef(LPDIRECT3DTEXTURE2 iface)
{
ICOM_THIS(IDirect3DTexture2Impl,iface);
TRACE("(%p)->()incrementing from %lu.\n", This, This->ref );
return ++(This->ref);
}
static ULONG WINAPI IDirect3DTexture2Impl_Release(LPDIRECT3DTEXTURE2 iface)
{
ICOM_THIS(IDirect3DTexture2Impl,iface);
FIXME("(%p)->() decrementing from %lu.\n", This, This->ref );
if (!--(This->ref)) {
/* Delete texture from OpenGL */
ENTER_GL();
glDeleteTextures(1, &(This->tex_name));
LEAVE_GL();
/* 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("(%p)->(%p,%p): stub\n", This, ilpD3DDevice, lpHandle);
*lpHandle = (D3DTEXTUREHANDLE) This;
/* Now, bind a new texture */
ENTER_GL();
ilpD3DDevice->set_context(ilpD3DDevice);
This->D3Ddevice = (void *) ilpD3DDevice;
if (This->tex_name == 0)
glGenTextures(1, &(This->tex_name));
LEAVE_GL();
TRACE("OpenGL texture handle is : %ld\n", This->tex_name);
return D3D_OK;
}
static HRESULT WINAPI IDirect3DTextureImpl_Initialize(LPDIRECT3DTEXTURE iface,
LPDIRECT3DDEVICE lpD3DDevice,
LPDIRECTDRAWSURFACE lpSurface)
{
ICOM_THIS(IDirect3DTexture2Impl,iface);
TRACE("(%p)->(%p,%p)\n", This, lpD3DDevice, lpSurface);
return DDERR_ALREADYINITIALIZED;
}
static HRESULT WINAPI IDirect3DTextureImpl_Unload(LPDIRECT3DTEXTURE iface)
{
ICOM_THIS(IDirect3DTexture2Impl,iface);
FIXME("(%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("(%p)->(%p,%p)\n", This, ilpD3DDevice2, lpHandle);
/* For 32 bits OSes, handles = pointers */
*lpHandle = (D3DTEXTUREHANDLE) This;
/* Now, bind a new texture */
ENTER_GL();
ilpD3DDevice2->set_context(ilpD3DDevice2);
This->D3Ddevice = (void *) ilpD3DDevice2;
if (This->tex_name == 0)
glGenTextures(1, &(This->tex_name));
LEAVE_GL();
TRACE("OpenGL texture handle is : %ld\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("(%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("(%p)->(%p)\n", This, ilpD3DTexture2);
TRACE("Copied surface %p to surface %p\n", ilpD3DTexture2->surface, This->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);
/* Install the callbacks to the destination surface */
This->surface->s.texture = This;
This->surface->s.SetColorKey_cb = SetColorKey_cb;
if ((src_d->dwWidth != dst_d->dwWidth) || (src_d->dwHeight != dst_d->dwHeight)) {
/* Should also check for same pixel format, lPitch, ... */
ERR("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.u.dwRGBBitCount / 8 /* RGB bits for each colors */ );
GLuint current_texture;
/* Copy the main memry texture into the surface that corresponds to the OpenGL
texture object. */
memcpy(dst_d->u1.lpSurface, src_d->u1.lpSurface, src_d->dwWidth * src_d->dwHeight * bpp);
ENTER_GL();
/* 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("Palettized texture Loading with a NULL palette !\n");
LEAVE_GL();
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;
}
/* Texture snooping */
SNOOP_PALETTED();
#if defined(HAVE_GL_COLOR_TABLE) && defined(HAVE_GL_PALETTED_TEXTURE)
/* 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->u1.lpSurface); /* the texture */
#endif
} else if (src_d->ddpfPixelFormat.dwFlags & DDPF_RGB) {
/* ************
RGB Textures
************ */
if (src_d->ddpfPixelFormat.u.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->u1.lpSurface);
} else if (src_d->ddpfPixelFormat.u.dwRGBBitCount == 16) {
if (src_d->ddpfPixelFormat.u4.dwRGBAlphaBitMask == 0x00000000) {
/* Texture snooping */
SNOOP_5650();
glTexImage2D(GL_TEXTURE_2D,
0,
GL_RGB,
src_d->dwWidth, src_d->dwHeight,
0,
GL_RGB,
GL_UNSIGNED_SHORT_5_6_5,
src_d->u1.lpSurface);
} else if (src_d->ddpfPixelFormat.u4.dwRGBAlphaBitMask == 0x00000001) {
/* Texture snooping */
SNOOP_5551();
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->u1.lpSurface);
} else if (src_d->ddpfPixelFormat.u4.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->u1.lpSurface);
} else {
ERR("Unhandled texture format (bad Aplha channel for a 16 bit texture)\n");
}
} else if (src_d->ddpfPixelFormat.u.dwRGBBitCount == 24) {
glTexImage2D(GL_TEXTURE_2D,
0,
GL_RGB,
src_d->dwWidth, src_d->dwHeight,
0,
GL_RGB,
GL_UNSIGNED_BYTE,
src_d->u1.lpSurface);
} else if (src_d->ddpfPixelFormat.u.dwRGBBitCount == 32) {
glTexImage2D(GL_TEXTURE_2D,
0,
GL_RGBA,
src_d->dwWidth, src_d->dwHeight,
0,
GL_RGBA,
GL_UNSIGNED_BYTE,
src_d->u1.lpSurface);
} else {
ERR("Unhandled texture format (bad RGB count)\n");
}
} else {
ERR("Unhandled texture format (neither RGB nor INDEX)\n");
}
glBindTexture(GL_TEXTURE_2D, current_texture);
LEAVE_GL();
}
return D3D_OK;
}
/*******************************************************************************
* IDirect3DTexture2 VTable
*/
static ICOM_VTABLE(IDirect3DTexture2) texture2_vtable =
{
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
/*** IUnknown methods ***/
IDirect3DTexture2Impl_QueryInterface,
IDirect3DTexture2Impl_AddRef,
IDirect3DTexture2Impl_Release,
/*** IDirect3DTexture methods ***/
IDirect3DTexture2Impl_GetHandle,
IDirect3DTexture2Impl_PaletteChanged,
IDirect3DTexture2Impl_Load
};
/*******************************************************************************
* IDirect3DTexture VTable
*/
static ICOM_VTABLE(IDirect3DTexture) texture_vtable =
{
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
/*** 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("Should not be called...\n");
return NULL;
}
LPDIRECT3DTEXTURE d3dtexture_create(IDirectDrawSurface4Impl* surf) {
ERR("Should not be called...\n");
return NULL;
}
#endif /* HAVE_MESAGL */
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