1/*
2 * Copyright 2011 Joakim Sindholt <opensource@zhasha.com>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
22
23#ifndef _NINE_PIPE_H_
24#define _NINE_PIPE_H_
25
26#include "d3d9.h"
27#include "pipe/p_format.h"
28#include "pipe/p_screen.h"
29#include "pipe/p_state.h" /* pipe_box */
30#include "util/macros.h"
31#include "util/u_rect.h"
32#include "util/u_format.h"
33#include "nine_helpers.h"
34
35struct cso_context;
36
37extern const enum pipe_format nine_d3d9_to_pipe_format_map[120];
38extern const D3DFORMAT nine_pipe_to_d3d9_format_map[PIPE_FORMAT_COUNT];
39
40void nine_convert_dsa_state(struct pipe_depth_stencil_alpha_state *, const DWORD *);
41void nine_convert_rasterizer_state(struct NineDevice9 *, struct pipe_rasterizer_state *, const DWORD *);
42void nine_convert_blend_state(struct pipe_blend_state *, const DWORD *);
43void nine_convert_sampler_state(struct cso_context *, int idx, const DWORD *);
44
45#define is_ATI1_ATI2(format) (format == PIPE_FORMAT_RGTC1_UNORM || format == PIPE_FORMAT_RGTC2_UNORM)
46
47static inline void
48rect_to_pipe_box(struct pipe_box *dst, const RECT *src)
49{
50    dst->x = src->left;
51    dst->y = src->top;
52    dst->z = 0;
53    dst->width = src->right - src->left;
54    dst->height = src->bottom - src->top;
55    dst->depth = 1;
56}
57
58static inline void
59pipe_box_to_rect(RECT *dst, const struct pipe_box *src)
60{
61    dst->left = src->x;
62    dst->right = src->x + src->width;
63    dst->top = src->y;
64    dst->bottom = src->y + src->height;
65}
66
67static inline void
68rect_minify_inclusive(RECT *rect)
69{
70    rect->left = rect->left >> 2;
71    rect->top = rect->top >> 2;
72    rect->right = DIV_ROUND_UP(rect->right, 2);
73    rect->bottom = DIV_ROUND_UP(rect->bottom, 2);
74}
75
76/* We suppose:
77 * 0 <= rect->left < rect->right
78 * 0 <= rect->top < rect->bottom
79 */
80static inline void
81fit_rect_format_inclusive(enum pipe_format format, RECT *rect, int width, int height)
82{
83    const unsigned w = util_format_get_blockwidth(format);
84    const unsigned h = util_format_get_blockheight(format);
85
86    if (util_format_is_compressed(format)) {
87        rect->left = rect->left - rect->left % w;
88        rect->top = rect->top - rect->top % h;
89        rect->right = (rect->right % w) == 0 ?
90            rect->right :
91            rect->right - (rect->right % w) + w;
92        rect->bottom = (rect->bottom % h) == 0 ?
93            rect->bottom :
94            rect->bottom - (rect->bottom % h) + h;
95    }
96
97    rect->right = MIN2(rect->right, width);
98    rect->bottom = MIN2(rect->bottom, height);
99}
100
101static inline boolean
102rect_to_pipe_box_clamp(struct pipe_box *dst, const RECT *src)
103{
104    rect_to_pipe_box(dst, src);
105
106    if (dst->width <= 0 || dst->height <= 0) {
107        DBG_FLAG(DBG_UNKNOWN, "Warning: NULL box");
108        dst->width = MAX2(dst->width, 0);
109        dst->height = MAX2(dst->height, 0);
110        return TRUE;
111    }
112    return FALSE;
113}
114
115static inline boolean
116rect_to_pipe_box_flip(struct pipe_box *dst, const RECT *src)
117{
118    rect_to_pipe_box(dst, src);
119
120    if (dst->width >= 0 && dst->height >= 0)
121        return FALSE;
122    if (dst->width < 0) dst->width = -dst->width;
123    if (dst->height < 0) dst->height = -dst->height;
124    return TRUE;
125}
126
127static inline void
128rect_to_pipe_box_xy_only(struct pipe_box *dst, const RECT *src)
129{
130    user_warn(src->left > src->right || src->top > src->bottom);
131
132    dst->x = src->left;
133    dst->y = src->top;
134    dst->width = src->right - src->left;
135    dst->height = src->bottom - src->top;
136}
137
138static inline boolean
139rect_to_pipe_box_xy_only_clamp(struct pipe_box *dst, const RECT *src)
140{
141    rect_to_pipe_box_xy_only(dst, src);
142
143    if (dst->width <= 0 || dst->height <= 0) {
144        DBG_FLAG(DBG_UNKNOWN, "Warning: NULL box");
145        dst->width = MAX2(dst->width, 0);
146        dst->height = MAX2(dst->height, 0);
147        return TRUE;
148    }
149    return FALSE;
150}
151
152static inline void
153rect_to_g3d_u_rect(struct u_rect *dst, const RECT *src)
154{
155    user_warn(src->left > src->right || src->top > src->bottom);
156
157    dst->x0 = src->left;
158    dst->x1 = src->right;
159    dst->y0 = src->top;
160    dst->y1 = src->bottom;
161}
162
163static inline void
164d3dbox_to_pipe_box(struct pipe_box *dst, const D3DBOX *src)
165{
166    user_warn(src->Left > src->Right);
167    user_warn(src->Top > src->Bottom);
168    user_warn(src->Front > src->Back);
169
170    dst->x = src->Left;
171    dst->y = src->Top;
172    dst->z = src->Front;
173    dst->width = src->Right - src->Left;
174    dst->height = src->Bottom - src->Top;
175    dst->depth = src->Back - src->Front;
176}
177
178static inline D3DFORMAT
179pipe_to_d3d9_format(enum pipe_format format)
180{
181    return nine_pipe_to_d3d9_format_map[format];
182}
183
184/* ATI1 and ATI2 are not officially compressed in d3d9 */
185static inline boolean
186compressed_format( D3DFORMAT fmt )
187{
188    switch (fmt) {
189    case D3DFMT_DXT1:
190    case D3DFMT_DXT2:
191    case D3DFMT_DXT3:
192    case D3DFMT_DXT4:
193    case D3DFMT_DXT5:
194        return TRUE;
195    default:
196        break;
197    }
198    return FALSE;
199}
200
201static inline boolean
202depth_stencil_format( D3DFORMAT fmt )
203{
204    static const D3DFORMAT allowed[] = {
205        D3DFMT_D16_LOCKABLE,
206        D3DFMT_D32,
207        D3DFMT_D15S1,
208        D3DFMT_D24S8,
209        D3DFMT_D24X8,
210        D3DFMT_D24X4S4,
211        D3DFMT_D16,
212        D3DFMT_D32F_LOCKABLE,
213        D3DFMT_D24FS8,
214        D3DFMT_D32_LOCKABLE,
215        D3DFMT_DF16,
216        D3DFMT_DF24,
217        D3DFMT_INTZ
218    };
219    unsigned i;
220
221    for (i = 0; i < sizeof(allowed)/sizeof(D3DFORMAT); i++) {
222        if (fmt == allowed[i]) { return TRUE; }
223    }
224    return FALSE;
225}
226
227static inline unsigned
228d3d9_get_pipe_depth_format_bindings(D3DFORMAT format)
229{
230    switch (format) {
231    case D3DFMT_D32:
232    case D3DFMT_D15S1:
233    case D3DFMT_D24S8:
234    case D3DFMT_D24X8:
235    case D3DFMT_D24X4S4:
236    case D3DFMT_D16:
237    case D3DFMT_D24FS8:
238        return PIPE_BIND_DEPTH_STENCIL;
239    case D3DFMT_D32F_LOCKABLE:
240    case D3DFMT_D16_LOCKABLE:
241    case D3DFMT_D32_LOCKABLE:
242        return PIPE_BIND_DEPTH_STENCIL;
243    case D3DFMT_DF16:
244    case D3DFMT_DF24:
245    case D3DFMT_INTZ:
246        return PIPE_BIND_DEPTH_STENCIL | PIPE_BIND_SAMPLER_VIEW;
247    default: unreachable("Unexpected format");
248    }
249}
250
251static inline enum pipe_format
252d3d9_to_pipe_format_internal(D3DFORMAT format)
253{
254    if (format <= D3DFMT_A2B10G10R10_XR_BIAS)
255        return nine_d3d9_to_pipe_format_map[format];
256    switch (format) {
257    case D3DFMT_INTZ: return PIPE_FORMAT_S8_UINT_Z24_UNORM;
258    case D3DFMT_DF16: return PIPE_FORMAT_Z16_UNORM;
259    case D3DFMT_DXT1: return PIPE_FORMAT_DXT1_RGBA;
260    case D3DFMT_DXT2: return PIPE_FORMAT_DXT3_RGBA; /* XXX */
261    case D3DFMT_DXT3: return PIPE_FORMAT_DXT3_RGBA;
262    case D3DFMT_DXT4: return PIPE_FORMAT_DXT5_RGBA; /* XXX */
263    case D3DFMT_DXT5: return PIPE_FORMAT_DXT5_RGBA;
264    case D3DFMT_ATI1: return PIPE_FORMAT_RGTC1_UNORM;
265    case D3DFMT_ATI2: return PIPE_FORMAT_RGTC2_UNORM;
266    case D3DFMT_UYVY: return PIPE_FORMAT_UYVY;
267    case D3DFMT_YUY2: return PIPE_FORMAT_YUYV; /* XXX check */
268    case D3DFMT_NV12: return PIPE_FORMAT_NV12;
269    case D3DFMT_G8R8_G8B8: return PIPE_FORMAT_G8R8_G8B8_UNORM; /* XXX order ? */
270    case D3DFMT_R8G8_B8G8: return PIPE_FORMAT_R8G8_B8G8_UNORM; /* XXX order ? */
271    case D3DFMT_BINARYBUFFER: return PIPE_FORMAT_NONE; /* not a format */
272    case D3DFMT_MULTI2_ARGB8: return PIPE_FORMAT_NONE; /* not supported */
273    case D3DFMT_Y210: /* XXX */
274    case D3DFMT_Y216:
275    case D3DFMT_NV11:
276    case D3DFMT_DF24: /* Similar to D3DFMT_DF16 but for 24-bits.
277        We don't advertise it because when it is supported, Fetch-4 is
278        supposed to be supported, which we don't support yet. */
279    case D3DFMT_NULL: /* special cased, only for surfaces */
280        return PIPE_FORMAT_NONE;
281    default:
282        DBG_FLAG(DBG_UNKNOWN, "unknown D3DFORMAT: 0x%x/%c%c%c%c\n",
283                 format, (char)format, (char)(format >> 8),
284                 (char)(format >> 16), (char)(format >> 24));
285        return PIPE_FORMAT_NONE;
286    }
287}
288
289#define format_check_internal(pipe_format) \
290    screen->is_format_supported(screen, pipe_format, target, \
291                                sample_count, sample_count, bindings)
292
293static inline enum pipe_format
294d3d9_to_pipe_format_checked(struct pipe_screen *screen,
295                            D3DFORMAT format,
296                            enum pipe_texture_target target,
297                            unsigned sample_count,
298                            unsigned bindings,
299                            boolean srgb,
300                            boolean bypass_check)
301{
302    enum pipe_format result;
303
304    result = d3d9_to_pipe_format_internal(format);
305    if (result == PIPE_FORMAT_NONE)
306        return PIPE_FORMAT_NONE;
307
308    if (srgb)
309        result = util_format_srgb(result);
310
311    /* bypass_check: Used for D3DPOOL_SCRATCH, which
312     * isn't limited to the formats supported by the
313     * device, and to check we are not using a format
314     * fallback. */
315    if (bypass_check || format_check_internal(result))
316        return result;
317
318    /* fallback to another format for formats
319     * that match several pipe_format */
320    switch(format) {
321        /* depth buffer formats are not lockable (except those for which it
322         * is precised in the name), so it is ok to match to another similar
323         * format. In all cases, if the app reads the texture with a shader,
324         * it gets depth on r and doesn't get stencil.*/
325        case D3DFMT_INTZ:
326        case D3DFMT_D24S8:
327            if (format_check_internal(PIPE_FORMAT_Z24_UNORM_S8_UINT))
328                return PIPE_FORMAT_Z24_UNORM_S8_UINT;
329            break;
330        case D3DFMT_D24X8:
331            if (format_check_internal(PIPE_FORMAT_Z24X8_UNORM))
332                return PIPE_FORMAT_Z24X8_UNORM;
333            break;
334        /* Support for X8L8V8U8 bumpenvmap format with lighting bits.
335         * X8L8V8U8 is commonly supported among dx9 cards.
336         * To avoid precision loss, we use PIPE_FORMAT_R32G32B32X32_FLOAT,
337         * however using PIPE_FORMAT_R8G8B8A8_SNORM should be ok */
338        case D3DFMT_X8L8V8U8:
339            if (bindings & PIPE_BIND_RENDER_TARGET)
340                return PIPE_FORMAT_NONE;
341            if (format_check_internal(PIPE_FORMAT_R32G32B32X32_FLOAT))
342                return PIPE_FORMAT_R32G32B32X32_FLOAT;
343        default:
344            break;
345    }
346    return PIPE_FORMAT_NONE;
347}
348
349/* The quality levels are vendor dependent, so we set our own.
350 * Every quality level has its own sample count and sample
351 * position matrix.
352 * The exact mapping might differ from system to system but thats OK,
353 * as there's no way to gather more information about quality levels
354 * in D3D9.
355 * In case of NONMASKABLE multisample map every quality-level
356 * to a MASKABLE MultiSampleType:
357 *  0: no MSAA
358 *  1: 2x MSAA
359 *  2: 4x MSAA
360 *  ...
361 *  If the requested quality level is not available to nearest
362 *  matching quality level is used.
363 *  If no multisample is available the function sets
364 *  multisample to D3DMULTISAMPLE_NONE and returns zero.
365 */
366static inline HRESULT
367d3dmultisample_type_check(struct pipe_screen *screen,
368                          D3DFORMAT format,
369                          D3DMULTISAMPLE_TYPE *multisample,
370                          DWORD multisamplequality,
371                          DWORD *levels)
372{
373    unsigned bind, i;
374
375    assert(multisample);
376
377    if (levels)
378        *levels = 1;
379
380    /* Ignores multisamplequality */
381    if (*multisample == D3DMULTISAMPLE_NONE)
382        return D3D_OK;
383
384    if (*multisample == D3DMULTISAMPLE_NONMASKABLE) {
385        if (depth_stencil_format(format))
386            bind = d3d9_get_pipe_depth_format_bindings(format);
387        else /* render-target */
388            bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
389
390        *multisample = 0;
391        for (i = D3DMULTISAMPLE_2_SAMPLES; i < D3DMULTISAMPLE_16_SAMPLES &&
392            multisamplequality; ++i) {
393            if (d3d9_to_pipe_format_checked(screen, format, PIPE_TEXTURE_2D,
394                    i, bind, FALSE, FALSE) != PIPE_FORMAT_NONE) {
395                multisamplequality--;
396                if (levels)
397                    (*levels)++;
398                *multisample = i;
399            }
400        }
401    }
402    /* Make sure to get an exact match */
403    if (multisamplequality)
404        return D3DERR_INVALIDCALL;
405    return D3D_OK;
406}
407
408static inline const char *
409d3dformat_to_string(D3DFORMAT fmt)
410{
411    switch (fmt) {
412    case D3DFMT_UNKNOWN: return "D3DFMT_UNKNOWN";
413    case D3DFMT_R8G8B8: return "D3DFMT_R8G8B8";
414    case D3DFMT_A8R8G8B8: return "D3DFMT_A8R8G8B8";
415    case D3DFMT_X8R8G8B8: return "D3DFMT_X8R8G8B8";
416    case D3DFMT_R5G6B5: return "D3DFMT_R5G6B5";
417    case D3DFMT_X1R5G5B5: return "D3DFMT_X1R5G5B5";
418    case D3DFMT_A1R5G5B5: return "D3DFMT_A1R5G5B5";
419    case D3DFMT_A4R4G4B4: return "D3DFMT_A4R4G4B4";
420    case D3DFMT_R3G3B2: return "D3DFMT_R3G3B2";
421    case D3DFMT_A8: return "D3DFMT_A8";
422    case D3DFMT_A8R3G3B2: return "D3DFMT_A8R3G3B2";
423    case D3DFMT_X4R4G4B4: return "D3DFMT_X4R4G4B4";
424    case D3DFMT_A2B10G10R10: return "D3DFMT_A2B10G10R10";
425    case D3DFMT_A8B8G8R8: return "D3DFMT_A8B8G8R8";
426    case D3DFMT_X8B8G8R8: return "D3DFMT_X8B8G8R8";
427    case D3DFMT_G16R16: return "D3DFMT_G16R16";
428    case D3DFMT_A2R10G10B10: return "D3DFMT_A2R10G10B10";
429    case D3DFMT_A16B16G16R16: return "D3DFMT_A16B16G16R16";
430    case D3DFMT_A8P8: return "D3DFMT_A8P8";
431    case D3DFMT_P8: return "D3DFMT_P8";
432    case D3DFMT_L8: return "D3DFMT_L8";
433    case D3DFMT_A8L8: return "D3DFMT_A8L8";
434    case D3DFMT_A4L4: return "D3DFMT_A4L4";
435    case D3DFMT_V8U8: return "D3DFMT_V8U8";
436    case D3DFMT_L6V5U5: return "D3DFMT_L6V5U5";
437    case D3DFMT_X8L8V8U8: return "D3DFMT_X8L8V8U8";
438    case D3DFMT_Q8W8V8U8: return "D3DFMT_Q8W8V8U8";
439    case D3DFMT_V16U16: return "D3DFMT_V16U16";
440    case D3DFMT_A2W10V10U10: return "D3DFMT_A2W10V10U10";
441    case D3DFMT_UYVY: return "D3DFMT_UYVY";
442    case D3DFMT_R8G8_B8G8: return "D3DFMT_R8G8_B8G8";
443    case D3DFMT_YUY2: return "D3DFMT_YUY2";
444    case D3DFMT_G8R8_G8B8: return "D3DFMT_G8R8_G8B8";
445    case D3DFMT_DXT1: return "D3DFMT_DXT1";
446    case D3DFMT_DXT2: return "D3DFMT_DXT2";
447    case D3DFMT_DXT3: return "D3DFMT_DXT3";
448    case D3DFMT_DXT4: return "D3DFMT_DXT4";
449    case D3DFMT_DXT5: return "D3DFMT_DXT5";
450    case D3DFMT_ATI1: return "D3DFMT_ATI1";
451    case D3DFMT_ATI2: return "D3DFMT_ATI2";
452    case D3DFMT_D16_LOCKABLE: return "D3DFMT_D16_LOCKABLE";
453    case D3DFMT_D32: return "D3DFMT_D32";
454    case D3DFMT_D15S1: return "D3DFMT_D15S1";
455    case D3DFMT_D24S8: return "D3DFMT_D24S8";
456    case D3DFMT_D24X8: return "D3DFMT_D24X8";
457    case D3DFMT_D24X4S4: return "D3DFMT_D24X4S4";
458    case D3DFMT_D16: return "D3DFMT_D16";
459    case D3DFMT_D32F_LOCKABLE: return "D3DFMT_D32F_LOCKABLE";
460    case D3DFMT_D24FS8: return "D3DFMT_D24FS8";
461    case D3DFMT_D32_LOCKABLE: return "D3DFMT_D32_LOCKABLE";
462    case D3DFMT_S8_LOCKABLE: return "D3DFMT_S8_LOCKABLE";
463    case D3DFMT_L16: return "D3DFMT_L16";
464    case D3DFMT_VERTEXDATA: return "D3DFMT_VERTEXDATA";
465    case D3DFMT_INDEX16: return "D3DFMT_INDEX16";
466    case D3DFMT_INDEX32: return "D3DFMT_INDEX32";
467    case D3DFMT_Q16W16V16U16: return "D3DFMT_Q16W16V16U16";
468    case D3DFMT_MULTI2_ARGB8: return "D3DFMT_MULTI2_ARGB8";
469    case D3DFMT_R16F: return "D3DFMT_R16F";
470    case D3DFMT_G16R16F: return "D3DFMT_G16R16F";
471    case D3DFMT_A16B16G16R16F: return "D3DFMT_A16B16G16R16F";
472    case D3DFMT_R32F: return "D3DFMT_R32F";
473    case D3DFMT_G32R32F: return "D3DFMT_G32R32F";
474    case D3DFMT_A32B32G32R32F: return "D3DFMT_A32B32G32R32F";
475    case D3DFMT_CxV8U8: return "D3DFMT_CxV8U8";
476    case D3DFMT_A1: return "D3DFMT_A1";
477    case D3DFMT_A2B10G10R10_XR_BIAS: return "D3DFMT_A2B10G10R10_XR_BIAS";
478    case D3DFMT_BINARYBUFFER: return "D3DFMT_BINARYBUFFER";
479    case D3DFMT_DF16: return "D3DFMT_DF16";
480    case D3DFMT_DF24: return "D3DFMT_DF24";
481    case D3DFMT_INTZ: return "D3DFMT_INTZ";
482    case D3DFMT_NVDB: return "D3DFMT_NVDB";
483    case D3DFMT_RESZ: return "D3DFMT_RESZ";
484    case D3DFMT_NULL: return "D3DFMT_NULL";
485    case D3DFMT_ATOC: return "D3DFMT_ATOC";
486    default:
487        break;
488    }
489    return "Unknown";
490}
491
492static inline unsigned
493nine_fvf_stride( DWORD fvf )
494{
495    unsigned texcount, i, size = 0;
496
497    switch (fvf & D3DFVF_POSITION_MASK) {
498    case D3DFVF_XYZ:    size += 3*4; break;
499    case D3DFVF_XYZRHW: size += 4*4; break;
500    case D3DFVF_XYZB1:  size += 4*4; break;
501    case D3DFVF_XYZB2:  size += 5*4; break;
502    case D3DFVF_XYZB3:  size += 6*4; break;
503    case D3DFVF_XYZB4:  size += 7*4; break;
504    case D3DFVF_XYZB5:  size += 8*4; break;
505    case D3DFVF_XYZW:   size += 4*4; break;
506    default:
507        user_warn("Position doesn't match any known combination.");
508        break;
509    }
510
511    if (fvf & D3DFVF_NORMAL)   { size += 3*4; }
512    if (fvf & D3DFVF_PSIZE)    { size += 1*4; }
513    if (fvf & D3DFVF_DIFFUSE)  { size += 1*4; }
514    if (fvf & D3DFVF_SPECULAR) { size += 1*4; }
515
516    texcount = (fvf >> D3DFVF_TEXCOUNT_SHIFT) & D3DFVF_TEXCOUNT_MASK;
517    if (user_error(texcount <= 8))
518        texcount = 8;
519
520    for (i = 0; i < texcount; ++i) {
521        unsigned texformat = (fvf>>(16+i*2))&0x3;
522        /* texformats are defined having been shifted around so 1=3,2=0,3=1,4=2
523         * meaning we can just do this instead of the switch below */
524        size += (((texformat+1)&0x3)+1)*4;
525
526        /*
527        switch (texformat) {
528        case D3DFVF_TEXTUREFORMAT1: size += 1*4;
529        case D3DFVF_TEXTUREFORMAT2: size += 2*4;
530        case D3DFVF_TEXTUREFORMAT3: size += 3*4;
531        case D3DFVF_TEXTUREFORMAT4: size += 4*4;
532        }
533        */
534    }
535
536    return size;
537}
538
539static inline void
540d3dcolor_to_rgba(float *rgba, D3DCOLOR color)
541{
542    rgba[0] = (float)((color >> 16) & 0xFF) / 0xFF;
543    rgba[1] = (float)((color >>  8) & 0xFF) / 0xFF;
544    rgba[2] = (float)((color >>  0) & 0xFF) / 0xFF;
545    rgba[3] = (float)((color >> 24) & 0xFF) / 0xFF;
546}
547
548static inline void
549d3dcolor_to_pipe_color_union(union pipe_color_union *rgba, D3DCOLOR color)
550{
551    d3dcolor_to_rgba(&rgba->f[0], color);
552}
553
554static inline unsigned
555d3dprimitivetype_to_pipe_prim(D3DPRIMITIVETYPE prim)
556{
557    switch (prim) {
558    case D3DPT_POINTLIST:     return PIPE_PRIM_POINTS;
559    case D3DPT_LINELIST:      return PIPE_PRIM_LINES;
560    case D3DPT_LINESTRIP:     return PIPE_PRIM_LINE_STRIP;
561    case D3DPT_TRIANGLELIST:  return PIPE_PRIM_TRIANGLES;
562    case D3DPT_TRIANGLESTRIP: return PIPE_PRIM_TRIANGLE_STRIP;
563    case D3DPT_TRIANGLEFAN:   return PIPE_PRIM_TRIANGLE_FAN;
564    default:
565        assert(0);
566        return PIPE_PRIM_POINTS;
567    }
568}
569
570static inline unsigned
571prim_count_to_vertex_count(D3DPRIMITIVETYPE prim, UINT count)
572{
573    switch (prim) {
574    case D3DPT_POINTLIST:     return count;
575    case D3DPT_LINELIST:      return count * 2;
576    case D3DPT_LINESTRIP:     return count + 1;
577    case D3DPT_TRIANGLELIST:  return count * 3;
578    case D3DPT_TRIANGLESTRIP: return count + 2;
579    case D3DPT_TRIANGLEFAN:   return count + 2;
580    default:
581        assert(0);
582        return 0;
583    }
584}
585
586static inline unsigned
587d3dcmpfunc_to_pipe_func(D3DCMPFUNC func)
588{
589    switch (func) {
590    case D3DCMP_NEVER:        return PIPE_FUNC_NEVER;
591    case D3DCMP_LESS:         return PIPE_FUNC_LESS;
592    case D3DCMP_EQUAL:        return PIPE_FUNC_EQUAL;
593    case D3DCMP_LESSEQUAL:    return PIPE_FUNC_LEQUAL;
594    case D3DCMP_GREATER:      return PIPE_FUNC_GREATER;
595    case D3DCMP_NOTEQUAL:     return PIPE_FUNC_NOTEQUAL;
596    case D3DCMP_GREATEREQUAL: return PIPE_FUNC_GEQUAL;
597    case D3DCMP_ALWAYS:       return PIPE_FUNC_ALWAYS;
598    case D3DCMP_NEVER_ZERO:   return PIPE_FUNC_NEVER; // Tested on windows + ATI HD5770
599    default:
600        assert(0);
601        return PIPE_FUNC_NEVER;
602    }
603}
604
605static inline unsigned
606d3dstencilop_to_pipe_stencil_op(D3DSTENCILOP op)
607{
608    switch (op) {
609    case D3DSTENCILOP_KEEP:    return PIPE_STENCIL_OP_KEEP;
610    case D3DSTENCILOP_ZERO:    return PIPE_STENCIL_OP_ZERO;
611    case D3DSTENCILOP_REPLACE: return PIPE_STENCIL_OP_REPLACE;
612    case D3DSTENCILOP_INCRSAT: return PIPE_STENCIL_OP_INCR;
613    case D3DSTENCILOP_DECRSAT: return PIPE_STENCIL_OP_DECR;
614    case D3DSTENCILOP_INVERT:  return PIPE_STENCIL_OP_INVERT;
615    case D3DSTENCILOP_INCR:    return PIPE_STENCIL_OP_INCR_WRAP;
616    case D3DSTENCILOP_DECR:    return PIPE_STENCIL_OP_DECR_WRAP;
617    default:
618        return PIPE_STENCIL_OP_ZERO;
619    }
620}
621
622static inline unsigned
623d3dcull_to_pipe_face(D3DCULL cull)
624{
625    switch (cull) {
626    case D3DCULL_NONE: return PIPE_FACE_NONE;
627    case D3DCULL_CW:   return PIPE_FACE_FRONT;
628    case D3DCULL_CCW:  return PIPE_FACE_BACK;
629    default:
630        assert(0);
631        return PIPE_FACE_NONE;
632    }
633}
634
635static inline unsigned
636d3dfillmode_to_pipe_polygon_mode(D3DFILLMODE mode)
637{
638    switch (mode) {
639    case D3DFILL_POINT:     return PIPE_POLYGON_MODE_POINT;
640    case D3DFILL_WIREFRAME: return PIPE_POLYGON_MODE_LINE;
641    case D3DFILL_SOLID:     return PIPE_POLYGON_MODE_FILL;
642    case D3DFILL_SOLID_ZERO:return PIPE_POLYGON_MODE_FILL;
643    default:
644        assert(0);
645        return PIPE_POLYGON_MODE_FILL;
646    }
647}
648
649static inline unsigned
650d3dblendop_to_pipe_blend(D3DBLENDOP op)
651{
652    switch (op) {
653    case D3DBLENDOP_ADD:         return PIPE_BLEND_ADD;
654    case D3DBLENDOP_SUBTRACT:    return PIPE_BLEND_SUBTRACT;
655    case D3DBLENDOP_REVSUBTRACT: return PIPE_BLEND_REVERSE_SUBTRACT;
656    case D3DBLENDOP_MIN:         return PIPE_BLEND_MIN;
657    case D3DBLENDOP_MAX:         return PIPE_BLEND_MAX;
658    default:
659        assert(0);
660        return PIPE_BLEND_ADD;
661    }
662}
663
664/* NOTE: The COLOR factors for are equal to the ALPHA ones for alpha.
665 * Drivers may check RGB and ALPHA factors for equality so we should not
666 * simply substitute the ALPHA variants.
667 */
668static inline unsigned
669d3dblend_alpha_to_pipe_blendfactor(D3DBLEND b)
670{
671    switch (b) {
672    case D3DBLEND_ZERO:            return PIPE_BLENDFACTOR_ZERO;
673    case D3DBLEND_ONE:             return PIPE_BLENDFACTOR_ONE;
674    case D3DBLEND_SRCCOLOR:        return PIPE_BLENDFACTOR_SRC_COLOR/*ALPHA*/;
675    case D3DBLEND_INVSRCCOLOR:     return PIPE_BLENDFACTOR_INV_SRC_COLOR/*ALPHA*/;
676    case D3DBLEND_SRCALPHA:        return PIPE_BLENDFACTOR_SRC_ALPHA;
677    case D3DBLEND_INVSRCALPHA:     return PIPE_BLENDFACTOR_INV_SRC_ALPHA;
678    case D3DBLEND_DESTALPHA:       return PIPE_BLENDFACTOR_DST_ALPHA;
679    case D3DBLEND_INVDESTALPHA:    return PIPE_BLENDFACTOR_INV_DST_ALPHA;
680    case D3DBLEND_DESTCOLOR:       return PIPE_BLENDFACTOR_DST_COLOR/*ALPHA*/;
681    case D3DBLEND_INVDESTCOLOR:    return PIPE_BLENDFACTOR_INV_DST_COLOR/*ALPHA*/;
682    case D3DBLEND_SRCALPHASAT:     return PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE;
683    case D3DBLEND_BOTHSRCALPHA:    return PIPE_BLENDFACTOR_SRC_ALPHA;
684    case D3DBLEND_BOTHINVSRCALPHA: return PIPE_BLENDFACTOR_INV_SRC_ALPHA;
685    case D3DBLEND_BLENDFACTOR:     return PIPE_BLENDFACTOR_CONST_COLOR/*ALPHA*/;
686    case D3DBLEND_INVBLENDFACTOR:  return PIPE_BLENDFACTOR_INV_CONST_COLOR/*ALPHA*/;
687    case D3DBLEND_SRCCOLOR2:       return PIPE_BLENDFACTOR_ONE; /* XXX */
688    case D3DBLEND_INVSRCCOLOR2:    return PIPE_BLENDFACTOR_ZERO; /* XXX */
689    default:
690       DBG_FLAG(DBG_UNKNOWN, "Unhandled blend factor %d\n", b);
691       return PIPE_BLENDFACTOR_ZERO;
692    }
693}
694
695static inline unsigned
696d3dblend_color_to_pipe_blendfactor(D3DBLEND b)
697{
698    switch (b) {
699    case D3DBLEND_ZERO:            return PIPE_BLENDFACTOR_ZERO;
700    case D3DBLEND_ONE:             return PIPE_BLENDFACTOR_ONE;
701    case D3DBLEND_SRCCOLOR:        return PIPE_BLENDFACTOR_SRC_COLOR;
702    case D3DBLEND_INVSRCCOLOR:     return PIPE_BLENDFACTOR_INV_SRC_COLOR;
703    case D3DBLEND_SRCALPHA:        return PIPE_BLENDFACTOR_SRC_ALPHA;
704    case D3DBLEND_INVSRCALPHA:     return PIPE_BLENDFACTOR_INV_SRC_ALPHA;
705    case D3DBLEND_DESTALPHA:       return PIPE_BLENDFACTOR_DST_ALPHA;
706    case D3DBLEND_INVDESTALPHA:    return PIPE_BLENDFACTOR_INV_DST_ALPHA;
707    case D3DBLEND_DESTCOLOR:       return PIPE_BLENDFACTOR_DST_COLOR;
708    case D3DBLEND_INVDESTCOLOR:    return PIPE_BLENDFACTOR_INV_DST_COLOR;
709    case D3DBLEND_SRCALPHASAT:     return PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE;
710    case D3DBLEND_BOTHSRCALPHA:    return PIPE_BLENDFACTOR_SRC_ALPHA;
711    case D3DBLEND_BOTHINVSRCALPHA: return PIPE_BLENDFACTOR_INV_SRC_ALPHA;
712    case D3DBLEND_BLENDFACTOR:     return PIPE_BLENDFACTOR_CONST_COLOR;
713    case D3DBLEND_INVBLENDFACTOR:  return PIPE_BLENDFACTOR_INV_CONST_COLOR;
714    case D3DBLEND_SRCCOLOR2:       return PIPE_BLENDFACTOR_SRC1_COLOR;
715    case D3DBLEND_INVSRCCOLOR2:    return PIPE_BLENDFACTOR_INV_SRC1_COLOR;
716    default:
717       DBG_FLAG(DBG_UNKNOWN, "Unhandled blend factor %d\n", b);
718       return PIPE_BLENDFACTOR_ZERO;
719    }
720}
721
722static inline unsigned
723d3dtextureaddress_to_pipe_tex_wrap(D3DTEXTUREADDRESS addr)
724{
725    switch (addr) {
726    case D3DTADDRESS_WRAP:       return PIPE_TEX_WRAP_REPEAT;
727    case D3DTADDRESS_MIRROR:     return PIPE_TEX_WRAP_MIRROR_REPEAT;
728    case D3DTADDRESS_CLAMP:      return PIPE_TEX_WRAP_CLAMP_TO_EDGE;
729    case D3DTADDRESS_BORDER:     return PIPE_TEX_WRAP_CLAMP_TO_BORDER;
730    case D3DTADDRESS_MIRRORONCE: return PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE;
731    default:
732        assert(0);
733        return PIPE_TEX_WRAP_CLAMP_TO_EDGE;
734    }
735}
736
737static inline unsigned
738d3dtexturefiltertype_to_pipe_tex_filter(D3DTEXTUREFILTERTYPE filter)
739{
740    switch (filter) {
741    case D3DTEXF_POINT:       return PIPE_TEX_FILTER_NEAREST;
742    case D3DTEXF_LINEAR:      return PIPE_TEX_FILTER_LINEAR;
743    case D3DTEXF_ANISOTROPIC: return PIPE_TEX_FILTER_LINEAR;
744
745    case D3DTEXF_NONE:
746    case D3DTEXF_PYRAMIDALQUAD:
747    case D3DTEXF_GAUSSIANQUAD:
748    case D3DTEXF_CONVOLUTIONMONO:
749    default:
750        assert(0);
751        return PIPE_TEX_FILTER_NEAREST;
752    }
753}
754
755static inline unsigned
756d3dtexturefiltertype_to_pipe_tex_mipfilter(D3DTEXTUREFILTERTYPE filter)
757{
758    switch (filter) {
759    case D3DTEXF_NONE:        return PIPE_TEX_MIPFILTER_NONE;
760    case D3DTEXF_POINT:       return PIPE_TEX_FILTER_NEAREST;
761    case D3DTEXF_LINEAR:      return PIPE_TEX_FILTER_LINEAR;
762    case D3DTEXF_ANISOTROPIC: return PIPE_TEX_FILTER_LINEAR;
763
764    case D3DTEXF_PYRAMIDALQUAD:
765    case D3DTEXF_GAUSSIANQUAD:
766    case D3DTEXF_CONVOLUTIONMONO:
767    default:
768        assert(0);
769        return PIPE_TEX_MIPFILTER_NONE;
770    }
771}
772
773static inline unsigned nine_format_get_stride(enum pipe_format format,
774                                              unsigned width)
775{
776    unsigned stride = util_format_get_stride(format, width);
777
778    return align(stride, 4);
779}
780
781static inline unsigned nine_format_get_level_alloc_size(enum pipe_format format,
782                                                        unsigned width,
783                                                        unsigned height,
784                                                        unsigned level)
785{
786    unsigned w, h, size;
787
788    w = u_minify(width, level);
789    h = u_minify(height, level);
790    if (is_ATI1_ATI2(format)) {
791        /* For "unknown" formats like ATIx use width * height bytes */
792        size = w * h;
793    } else if (format == PIPE_FORMAT_NONE) { /* D3DFMT_NULL */
794        size = w * h * 4;
795    } else {
796        size = nine_format_get_stride(format, w) *
797            util_format_get_nblocksy(format, h);
798    }
799
800    return size;
801}
802
803static inline unsigned nine_format_get_size_and_offsets(enum pipe_format format,
804                                                        unsigned *offsets,
805                                                        unsigned width,
806                                                        unsigned height,
807                                                        unsigned last_level)
808{
809    unsigned l, w, h, size = 0;
810
811    for (l = 0; l <= last_level; ++l) {
812        w = u_minify(width, l);
813        h = u_minify(height, l);
814        offsets[l] = size;
815        if (is_ATI1_ATI2(format)) {
816            /* For "unknown" formats like ATIx use width * height bytes */
817            size += w * h;
818        } else {
819            size += nine_format_get_stride(format, w) *
820                util_format_get_nblocksy(format, h);
821        }
822    }
823
824    return size;
825}
826
827#endif /* _NINE_PIPE_H_ */
828