Fixed allocation of 16x16 icons.
[wine.git] / graphics / d3dtexture.c
blob34ff0aeda1e1952f4b891f210c6adb0022a4d718
1 /* Direct3D Texture
2 (c) 1998 Lionel ULMER
4 This files contains the implementation of interface Direct3DTexture2. */
7 #include <string.h>
8 #include "config.h"
9 #include "windef.h"
10 #include "winerror.h"
11 #include "wine/obj_base.h"
12 #include "heap.h"
13 #include "ddraw.h"
14 #include "d3d.h"
15 #include "debugtools.h"
17 #include "d3d_private.h"
19 DEFAULT_DEBUG_CHANNEL(ddraw)
21 #ifdef HAVE_MESAGL
23 /* Define this if you want to save to a file all the textures used by a game
24 (can be funny to see how they managed to cram all the pictures in
25 texture memory) */
26 #undef TEXTURE_SNOOP
28 #ifdef TEXTURE_SNOOP
29 #include <stdio.h>
31 #define SNOOP_PALETTED() \
32 { \
33 FILE *f; \
34 char buf[32]; \
35 int x, y; \
37 sprintf(buf, "%ld.pnm", This->tex_name); \
38 f = fopen(buf, "wb"); \
39 fprintf(f, "P6\n%ld %ld\n255\n", src_d->dwWidth, src_d->dwHeight); \
40 for (y = 0; y < src_d->dwHeight; y++) { \
41 for (x = 0; x < src_d->dwWidth; x++) { \
42 unsigned char c = ((unsigned char *) src_d->y.lpSurface)[y * src_d->dwWidth + x]; \
43 fputc(table[c][0], f); \
44 fputc(table[c][1], f); \
45 fputc(table[c][2], f); \
46 } \
47 } \
48 fclose(f); \
51 #define SNOOP_5650() \
52 { \
53 FILE *f; \
54 char buf[32]; \
55 int x, y; \
57 sprintf(buf, "%ld.pnm", This->tex_name); \
58 f = fopen(buf, "wb"); \
59 fprintf(f, "P6\n%ld %ld\n255\n", src_d->dwWidth, src_d->dwHeight); \
60 for (y = 0; y < src_d->dwHeight; y++) { \
61 for (x = 0; x < src_d->dwWidth; x++) { \
62 unsigned short c = ((unsigned short *) src_d->y.lpSurface)[y * src_d->dwWidth + x]; \
63 fputc((c & 0xF800) >> 8, f); \
64 fputc((c & 0x07E0) >> 3, f); \
65 fputc((c & 0x001F) << 3, f); \
66 } \
67 } \
68 fclose(f); \
71 #define SNOOP_5551() \
72 { \
73 FILE *f; \
74 char buf[32]; \
75 int x, y; \
77 sprintf(buf, "%ld.pnm", This->tex_name); \
78 f = fopen(buf, "wb"); \
79 fprintf(f, "P6\n%ld %ld\n255\n", src_d->dwWidth, src_d->dwHeight); \
80 for (y = 0; y < src_d->dwHeight; y++) { \
81 for (x = 0; x < src_d->dwWidth; x++) { \
82 unsigned short c = ((unsigned short *) src_d->y.lpSurface)[y * src_d->dwWidth + x]; \
83 fputc((c & 0xF800) >> 8, f); \
84 fputc((c & 0x07C0) >> 3, f); \
85 fputc((c & 0x003E) << 2, f); \
86 } \
87 } \
88 fclose(f); \
90 #else
91 #define SNOOP_PALETTED()
92 #define SNOOP_5650()
93 #define SNOOP_5551()
94 #endif
96 static ICOM_VTABLE(IDirect3DTexture2) texture2_vtable;
97 static ICOM_VTABLE(IDirect3DTexture) texture_vtable;
99 /*******************************************************************************
100 * Texture2 Creation functions
102 LPDIRECT3DTEXTURE2 d3dtexture2_create(IDirectDrawSurface4Impl* surf)
104 IDirect3DTexture2Impl* tex;
106 tex = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(IDirect3DTexture2Impl));
107 tex->ref = 1;
108 ICOM_VTBL(tex) = &texture2_vtable;
109 tex->surface = surf;
111 return (LPDIRECT3DTEXTURE2)tex;
114 /*******************************************************************************
115 * Texture Creation functions
117 LPDIRECT3DTEXTURE d3dtexture_create(IDirectDrawSurface4Impl* surf)
119 IDirect3DTexture2Impl* tex;
121 tex = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(IDirect3DTexture2Impl));
122 tex->ref = 1;
123 ICOM_VTBL(tex) = (ICOM_VTABLE(IDirect3DTexture2)*)&texture_vtable;
124 tex->surface = surf;
126 return (LPDIRECT3DTEXTURE)tex;
129 /*******************************************************************************
130 * IDirectSurface callback methods
132 HRESULT WINAPI SetColorKey_cb(IDirect3DTexture2Impl *texture, DWORD dwFlags, LPDDCOLORKEY ckey )
134 DDSURFACEDESC *tex_d;
135 int bpp;
136 GLuint current_texture;
138 TRACE("(%p) : colorkey callback\n", texture);
140 /* Get the texture description */
141 tex_d = &(texture->surface->s.surface_desc);
142 bpp = (tex_d->ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED8 ?
143 1 /* 8 bit of palette index */:
144 tex_d->ddpfPixelFormat.u.dwRGBBitCount / 8 /* RGB bits for each colors */ );
146 /* Now, save the current texture */
147 ENTER_GL();
148 glGetIntegerv(GL_TEXTURE_BINDING_2D, &current_texture);
150 /* If the GetHandle was not done yet, it's an error */
151 if (texture->tex_name == 0) {
152 ERR("Unloaded texture !\n");
153 LEAVE_GL();
154 return DD_OK;
156 glBindTexture(GL_TEXTURE_2D, texture->tex_name);
158 if (tex_d->ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED8) {
159 FIXME("Todo Paletted\n");
160 } else if (tex_d->ddpfPixelFormat.dwFlags & DDPF_RGB) {
161 if (tex_d->ddpfPixelFormat.u.dwRGBBitCount == 8) {
162 FIXME("Todo 3_3_2_0\n");
163 } else if (tex_d->ddpfPixelFormat.u.dwRGBBitCount == 16) {
164 if (tex_d->ddpfPixelFormat.u4.dwRGBAlphaBitMask == 0x00000000) {
165 /* Now transform the 5_6_5 into a 5_5_5_1 surface to support color keying */
166 unsigned short *dest = (unsigned short *) HeapAlloc(GetProcessHeap(),
167 HEAP_ZERO_MEMORY,
168 tex_d->dwWidth * tex_d->dwHeight * bpp);
169 unsigned short *src = (unsigned short *) tex_d->u1.lpSurface;
170 int x, y;
172 for (y = 0; y < tex_d->dwHeight; y++) {
173 for (x = 0; x < tex_d->dwWidth; x++) {
174 unsigned short cpixel = src[x + y * tex_d->dwWidth];
176 if ((dwFlags & DDCKEY_SRCBLT) &&
177 (cpixel >= ckey->dwColorSpaceLowValue) &&
178 (cpixel <= ckey->dwColorSpaceHighValue)) /* No alpha bit => this pixel is transparent */
179 dest[x + y * tex_d->dwWidth] = (cpixel & ~0x003F) | ((cpixel & 0x001F) << 1) | 0x0000;
180 else /* Alpha bit is set => this pixel will be seen */
181 dest[x + y * tex_d->dwWidth] = (cpixel & ~0x003F) | ((cpixel & 0x001F) << 1) | 0x0001;
185 glTexImage2D(GL_TEXTURE_2D,
187 GL_RGBA,
188 tex_d->dwWidth, tex_d->dwHeight,
190 GL_RGBA,
191 GL_UNSIGNED_SHORT_5_5_5_1,
192 dest);
194 /* Frees the temporary surface */
195 HeapFree(GetProcessHeap(),0,dest);
196 } else if (tex_d->ddpfPixelFormat.u4.dwRGBAlphaBitMask == 0x00000001) {
197 FIXME("Todo 5_5_5_1\n");
198 } else if (tex_d->ddpfPixelFormat.u4.dwRGBAlphaBitMask == 0x0000000F) {
199 FIXME("Todo 4_4_4_4\n");
200 } else {
201 ERR("Unhandled texture format (bad Aplha channel for a 16 bit texture)\n");
203 } else if (tex_d->ddpfPixelFormat.u.dwRGBBitCount == 24) {
204 FIXME("Todo 8_8_8_0\n");
205 } else if (tex_d->ddpfPixelFormat.u.dwRGBBitCount == 32) {
206 FIXME("Todo 8_8_8_8\n");
207 } else {
208 ERR("Unhandled texture format (bad RGB count)\n");
210 } else {
211 ERR("Unhandled texture format (neither RGB nor INDEX)\n");
213 LEAVE_GL();
215 return DD_OK;
218 /*******************************************************************************
219 * IDirect3DTexture2 methods
222 static HRESULT WINAPI IDirect3DTexture2Impl_QueryInterface(LPDIRECT3DTEXTURE2 iface,
223 REFIID riid,
224 LPVOID* ppvObj)
226 ICOM_THIS(IDirect3DTexture2Impl,iface);
228 FIXME("(%p)->(%s,%p): stub\n", This, debugstr_guid(riid),ppvObj);
230 return S_OK;
235 static ULONG WINAPI IDirect3DTexture2Impl_AddRef(LPDIRECT3DTEXTURE2 iface)
237 ICOM_THIS(IDirect3DTexture2Impl,iface);
238 TRACE("(%p)->()incrementing from %lu.\n", This, This->ref );
240 return ++(This->ref);
245 static ULONG WINAPI IDirect3DTexture2Impl_Release(LPDIRECT3DTEXTURE2 iface)
247 ICOM_THIS(IDirect3DTexture2Impl,iface);
248 FIXME("(%p)->() decrementing from %lu.\n", This, This->ref );
250 if (!--(This->ref)) {
251 /* Delete texture from OpenGL */
252 ENTER_GL();
253 glDeleteTextures(1, &(This->tex_name));
254 LEAVE_GL();
256 /* Release surface */
257 IDirectDrawSurface4_Release((IDirectDrawSurface4*)This->surface);
259 HeapFree(GetProcessHeap(),0,This);
260 return 0;
263 return This->ref;
266 /*** IDirect3DTexture methods ***/
267 static HRESULT WINAPI IDirect3DTextureImpl_GetHandle(LPDIRECT3DTEXTURE iface,
268 LPDIRECT3DDEVICE lpD3DDevice,
269 LPD3DTEXTUREHANDLE lpHandle)
271 ICOM_THIS(IDirect3DTexture2Impl,iface);
272 IDirect3DDeviceImpl* ilpD3DDevice=(IDirect3DDeviceImpl*)lpD3DDevice;
273 FIXME("(%p)->(%p,%p): stub\n", This, ilpD3DDevice, lpHandle);
275 *lpHandle = (D3DTEXTUREHANDLE) This;
277 /* Now, bind a new texture */
278 ENTER_GL();
279 ilpD3DDevice->set_context(ilpD3DDevice);
280 This->D3Ddevice = (void *) ilpD3DDevice;
281 if (This->tex_name == 0)
282 glGenTextures(1, &(This->tex_name));
283 LEAVE_GL();
285 TRACE("OpenGL texture handle is : %ld\n", This->tex_name);
287 return D3D_OK;
290 static HRESULT WINAPI IDirect3DTextureImpl_Initialize(LPDIRECT3DTEXTURE iface,
291 LPDIRECT3DDEVICE lpD3DDevice,
292 LPDIRECTDRAWSURFACE lpSurface)
294 ICOM_THIS(IDirect3DTexture2Impl,iface);
295 TRACE("(%p)->(%p,%p)\n", This, lpD3DDevice, lpSurface);
297 return DDERR_ALREADYINITIALIZED;
300 static HRESULT WINAPI IDirect3DTextureImpl_Unload(LPDIRECT3DTEXTURE iface)
302 ICOM_THIS(IDirect3DTexture2Impl,iface);
303 FIXME("(%p)->(): stub\n", This);
305 return D3D_OK;
308 /*** IDirect3DTexture2 methods ***/
309 static HRESULT WINAPI IDirect3DTexture2Impl_GetHandle(LPDIRECT3DTEXTURE2 iface,
310 LPDIRECT3DDEVICE2 lpD3DDevice2,
311 LPD3DTEXTUREHANDLE lpHandle)
313 ICOM_THIS(IDirect3DTexture2Impl,iface);
314 IDirect3DDevice2Impl* ilpD3DDevice2=(IDirect3DDevice2Impl*)lpD3DDevice2;
315 TRACE("(%p)->(%p,%p)\n", This, ilpD3DDevice2, lpHandle);
317 /* For 32 bits OSes, handles = pointers */
318 *lpHandle = (D3DTEXTUREHANDLE) This;
320 /* Now, bind a new texture */
321 ENTER_GL();
322 ilpD3DDevice2->set_context(ilpD3DDevice2);
323 This->D3Ddevice = (void *) ilpD3DDevice2;
324 if (This->tex_name == 0)
325 glGenTextures(1, &(This->tex_name));
326 LEAVE_GL();
328 TRACE("OpenGL texture handle is : %ld\n", This->tex_name);
330 return D3D_OK;
333 /* Common methods */
334 static HRESULT WINAPI IDirect3DTexture2Impl_PaletteChanged(LPDIRECT3DTEXTURE2 iface,
335 DWORD dwStart,
336 DWORD dwCount)
338 ICOM_THIS(IDirect3DTexture2Impl,iface);
339 FIXME("(%p)->(%8ld,%8ld): stub\n", This, dwStart, dwCount);
341 return D3D_OK;
344 /* NOTE : if you experience crashes in this function, you must have a buggy
345 version of Mesa. See the file d3dtexture.c for a cure */
346 static HRESULT WINAPI IDirect3DTexture2Impl_Load(LPDIRECT3DTEXTURE2 iface,
347 LPDIRECT3DTEXTURE2 lpD3DTexture2)
349 ICOM_THIS(IDirect3DTexture2Impl,iface);
350 IDirect3DTexture2Impl* ilpD3DTexture2=(IDirect3DTexture2Impl*)lpD3DTexture2;
351 DDSURFACEDESC *src_d, *dst_d;
352 TRACE("(%p)->(%p)\n", This, ilpD3DTexture2);
354 TRACE("Copied surface %p to surface %p\n", ilpD3DTexture2->surface, This->surface);
356 /* Suppress the ALLOCONLOAD flag */
357 This->surface->s.surface_desc.ddsCaps.dwCaps &= ~DDSCAPS_ALLOCONLOAD;
359 /* Copy one surface on the other */
360 dst_d = &(This->surface->s.surface_desc);
361 src_d = &(ilpD3DTexture2->surface->s.surface_desc);
363 /* Install the callbacks to the destination surface */
364 This->surface->s.texture = This;
365 This->surface->s.SetColorKey_cb = SetColorKey_cb;
367 if ((src_d->dwWidth != dst_d->dwWidth) || (src_d->dwHeight != dst_d->dwHeight)) {
368 /* Should also check for same pixel format, lPitch, ... */
369 ERR("Error in surface sizes\n");
370 return D3DERR_TEXTURE_LOAD_FAILED;
371 } else {
372 /* LPDIRECT3DDEVICE2 d3dd = (LPDIRECT3DDEVICE2) This->D3Ddevice; */
373 /* I should put a macro for the calculus of bpp */
374 int bpp = (src_d->ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED8 ?
375 1 /* 8 bit of palette index */:
376 src_d->ddpfPixelFormat.u.dwRGBBitCount / 8 /* RGB bits for each colors */ );
377 GLuint current_texture;
379 /* Copy the main memry texture into the surface that corresponds to the OpenGL
380 texture object. */
381 memcpy(dst_d->u1.lpSurface, src_d->u1.lpSurface, src_d->dwWidth * src_d->dwHeight * bpp);
383 ENTER_GL();
385 /* Now, load the texture */
386 /* d3dd->set_context(d3dd); We need to set the context somehow.... */
387 glGetIntegerv(GL_TEXTURE_BINDING_2D, &current_texture);
389 /* If the GetHandle was not done, get the texture name here */
390 if (This->tex_name == 0)
391 glGenTextures(1, &(This->tex_name));
392 glBindTexture(GL_TEXTURE_2D, This->tex_name);
394 if (src_d->ddpfPixelFormat.dwFlags & DDPF_PALETTEINDEXED8) {
395 /* ****************
396 Paletted Texture
397 **************** */
398 IDirectDrawPaletteImpl* pal = This->surface->s.palette;
399 BYTE table[256][4];
400 int i;
402 if (pal == NULL) {
403 ERR("Palettized texture Loading with a NULL palette !\n");
404 LEAVE_GL();
405 return D3DERR_TEXTURE_LOAD_FAILED;
408 /* Get the surface's palette */
409 for (i = 0; i < 256; i++) {
410 table[i][0] = pal->palents[i].peRed;
411 table[i][1] = pal->palents[i].peGreen;
412 table[i][2] = pal->palents[i].peBlue;
413 if ((This->surface->s.surface_desc.dwFlags & DDSD_CKSRCBLT) &&
414 (i >= This->surface->s.surface_desc.ddckCKSrcBlt.dwColorSpaceLowValue) &&
415 (i <= This->surface->s.surface_desc.ddckCKSrcBlt.dwColorSpaceHighValue))
416 table[i][3] = 0x00;
417 else
418 table[i][3] = 0xFF;
421 /* Texture snooping */
422 SNOOP_PALETTED();
424 #if defined(HAVE_GL_COLOR_TABLE) && defined(HAVE_GL_PALETTED_TEXTURE)
425 /* use Paletted Texture Extension */
426 glColorTableEXT(GL_TEXTURE_2D, /* target */
427 GL_RGBA, /* internal format */
428 256, /* table size */
429 GL_RGBA, /* table format */
430 GL_UNSIGNED_BYTE, /* table type */
431 table); /* the color table */
433 glTexImage2D(GL_TEXTURE_2D, /* target */
434 0, /* level */
435 GL_COLOR_INDEX8_EXT, /* internal format */
436 src_d->dwWidth, src_d->dwHeight, /* width, height */
437 0, /* border */
438 GL_COLOR_INDEX, /* texture format */
439 GL_UNSIGNED_BYTE, /* texture type */
440 src_d->u1.lpSurface); /* the texture */
441 #endif
442 } else if (src_d->ddpfPixelFormat.dwFlags & DDPF_RGB) {
443 /* ************
444 RGB Textures
445 ************ */
446 if (src_d->ddpfPixelFormat.u.dwRGBBitCount == 8) {
447 /* **********************
448 GL_UNSIGNED_BYTE_3_3_2
449 ********************** */
450 glTexImage2D(GL_TEXTURE_2D,
452 GL_RGB,
453 src_d->dwWidth, src_d->dwHeight,
455 GL_RGB,
456 GL_UNSIGNED_BYTE_3_3_2,
457 src_d->u1.lpSurface);
458 } else if (src_d->ddpfPixelFormat.u.dwRGBBitCount == 16) {
459 if (src_d->ddpfPixelFormat.u4.dwRGBAlphaBitMask == 0x00000000) {
461 /* Texture snooping */
462 SNOOP_5650();
464 glTexImage2D(GL_TEXTURE_2D,
466 GL_RGB,
467 src_d->dwWidth, src_d->dwHeight,
469 GL_RGB,
470 GL_UNSIGNED_SHORT_5_6_5,
471 src_d->u1.lpSurface);
472 } else if (src_d->ddpfPixelFormat.u4.dwRGBAlphaBitMask == 0x00000001) {
473 /* Texture snooping */
474 SNOOP_5551();
476 glTexImage2D(GL_TEXTURE_2D,
478 GL_RGBA,
479 src_d->dwWidth, src_d->dwHeight,
481 GL_RGBA,
482 GL_UNSIGNED_SHORT_5_5_5_1,
483 src_d->u1.lpSurface);
484 } else if (src_d->ddpfPixelFormat.u4.dwRGBAlphaBitMask == 0x0000000F) {
485 glTexImage2D(GL_TEXTURE_2D,
487 GL_RGBA,
488 src_d->dwWidth, src_d->dwHeight,
490 GL_RGBA,
491 GL_UNSIGNED_SHORT_4_4_4_4,
492 src_d->u1.lpSurface);
493 } else {
494 ERR("Unhandled texture format (bad Aplha channel for a 16 bit texture)\n");
496 } else if (src_d->ddpfPixelFormat.u.dwRGBBitCount == 24) {
497 glTexImage2D(GL_TEXTURE_2D,
499 GL_RGB,
500 src_d->dwWidth, src_d->dwHeight,
502 GL_RGB,
503 GL_UNSIGNED_BYTE,
504 src_d->u1.lpSurface);
505 } else if (src_d->ddpfPixelFormat.u.dwRGBBitCount == 32) {
506 glTexImage2D(GL_TEXTURE_2D,
508 GL_RGBA,
509 src_d->dwWidth, src_d->dwHeight,
511 GL_RGBA,
512 GL_UNSIGNED_BYTE,
513 src_d->u1.lpSurface);
514 } else {
515 ERR("Unhandled texture format (bad RGB count)\n");
517 } else {
518 ERR("Unhandled texture format (neither RGB nor INDEX)\n");
521 glBindTexture(GL_TEXTURE_2D, current_texture);
523 LEAVE_GL();
526 return D3D_OK;
530 /*******************************************************************************
531 * IDirect3DTexture2 VTable
533 static ICOM_VTABLE(IDirect3DTexture2) texture2_vtable =
535 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
536 /*** IUnknown methods ***/
537 IDirect3DTexture2Impl_QueryInterface,
538 IDirect3DTexture2Impl_AddRef,
539 IDirect3DTexture2Impl_Release,
540 /*** IDirect3DTexture methods ***/
541 IDirect3DTexture2Impl_GetHandle,
542 IDirect3DTexture2Impl_PaletteChanged,
543 IDirect3DTexture2Impl_Load
546 /*******************************************************************************
547 * IDirect3DTexture VTable
549 static ICOM_VTABLE(IDirect3DTexture) texture_vtable =
551 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
552 /*** IUnknown methods ***/
553 IDirect3DTexture2Impl_QueryInterface,
554 IDirect3DTexture2Impl_AddRef,
555 IDirect3DTexture2Impl_Release,
556 /*** IDirect3DTexture methods ***/
557 IDirect3DTextureImpl_Initialize,
558 IDirect3DTextureImpl_GetHandle,
559 IDirect3DTexture2Impl_PaletteChanged,
560 IDirect3DTexture2Impl_Load,
561 IDirect3DTextureImpl_Unload
564 #else /* HAVE_MESAGL */
566 /* These function should never be called if MesaGL is not present */
567 LPDIRECT3DTEXTURE2 d3dtexture2_create(IDirectDrawSurface4Impl* surf) {
568 ERR("Should not be called...\n");
569 return NULL;
572 LPDIRECT3DTEXTURE d3dtexture_create(IDirectDrawSurface4Impl* surf) {
573 ERR("Should not be called...\n");
574 return NULL;
577 #endif /* HAVE_MESAGL */