1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
2
3 /*
4 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 *
25 * Authors:
26 * Rob Clark <robclark@freedesktop.org>
27 */
28
29 #include "pipe/p_defines.h"
30 #include "util/u_format.h"
31
32 #include "fd2_util.h"
33
34 enum a2xx_sq_surfaceformat
fd2_pipe2surface(enum pipe_format format)35 fd2_pipe2surface(enum pipe_format format)
36 {
37 switch (format) {
38 /* 8-bit buffers. */
39 case PIPE_FORMAT_A8_UNORM:
40 case PIPE_FORMAT_A8_SNORM:
41 case PIPE_FORMAT_A8_UINT:
42 case PIPE_FORMAT_A8_SINT:
43 case PIPE_FORMAT_I8_UNORM:
44 case PIPE_FORMAT_I8_SNORM:
45 case PIPE_FORMAT_I8_UINT:
46 case PIPE_FORMAT_I8_SINT:
47 case PIPE_FORMAT_L8_UNORM:
48 case PIPE_FORMAT_L8_SNORM:
49 case PIPE_FORMAT_L8_UINT:
50 case PIPE_FORMAT_L8_SINT:
51 case PIPE_FORMAT_L8_SRGB:
52 case PIPE_FORMAT_R8_UNORM:
53 case PIPE_FORMAT_R8_SNORM:
54 case PIPE_FORMAT_R8_UINT:
55 case PIPE_FORMAT_R8_SINT:
56 return FMT_8;
57
58 /* 16-bit buffers. */
59 case PIPE_FORMAT_B5G6R5_UNORM:
60 return FMT_5_6_5;
61 case PIPE_FORMAT_B5G5R5A1_UNORM:
62 case PIPE_FORMAT_B5G5R5X1_UNORM:
63 return FMT_1_5_5_5;
64 case PIPE_FORMAT_B4G4R4A4_UNORM:
65 case PIPE_FORMAT_B4G4R4X4_UNORM:
66 return FMT_4_4_4_4;
67 case PIPE_FORMAT_Z16_UNORM:
68 return FMT_16;
69 case PIPE_FORMAT_L8A8_UNORM:
70 case PIPE_FORMAT_L8A8_SNORM:
71 case PIPE_FORMAT_L8A8_UINT:
72 case PIPE_FORMAT_L8A8_SINT:
73 case PIPE_FORMAT_L8A8_SRGB:
74 case PIPE_FORMAT_R8G8_UNORM:
75 case PIPE_FORMAT_R8G8_SNORM:
76 case PIPE_FORMAT_R8G8_UINT:
77 case PIPE_FORMAT_R8G8_SINT:
78 return FMT_8_8;
79 case PIPE_FORMAT_R16_UNORM:
80 case PIPE_FORMAT_R16_SNORM:
81 case PIPE_FORMAT_R16_UINT:
82 case PIPE_FORMAT_R16_SINT:
83 case PIPE_FORMAT_A16_UNORM:
84 case PIPE_FORMAT_A16_SNORM:
85 case PIPE_FORMAT_A16_UINT:
86 case PIPE_FORMAT_A16_SINT:
87 case PIPE_FORMAT_L16_UNORM:
88 case PIPE_FORMAT_L16_SNORM:
89 case PIPE_FORMAT_L16_UINT:
90 case PIPE_FORMAT_L16_SINT:
91 case PIPE_FORMAT_I16_UNORM:
92 case PIPE_FORMAT_I16_SNORM:
93 case PIPE_FORMAT_I16_UINT:
94 case PIPE_FORMAT_I16_SINT:
95 return FMT_16;
96 case PIPE_FORMAT_R16_FLOAT:
97 case PIPE_FORMAT_A16_FLOAT:
98 case PIPE_FORMAT_L16_FLOAT:
99 case PIPE_FORMAT_I16_FLOAT:
100 return FMT_16_FLOAT;
101
102 /* 32-bit buffers. */
103 case PIPE_FORMAT_A8B8G8R8_SRGB:
104 case PIPE_FORMAT_A8B8G8R8_UNORM:
105 case PIPE_FORMAT_A8R8G8B8_UNORM:
106 case PIPE_FORMAT_B8G8R8A8_SRGB:
107 case PIPE_FORMAT_B8G8R8A8_UNORM:
108 case PIPE_FORMAT_B8G8R8X8_UNORM:
109 case PIPE_FORMAT_R8G8B8A8_SNORM:
110 case PIPE_FORMAT_R8G8B8A8_UNORM:
111 case PIPE_FORMAT_R8G8B8X8_UNORM:
112 case PIPE_FORMAT_R8SG8SB8UX8U_NORM:
113 case PIPE_FORMAT_X8B8G8R8_UNORM:
114 case PIPE_FORMAT_X8R8G8B8_UNORM:
115 case PIPE_FORMAT_R8G8B8_UNORM:
116 case PIPE_FORMAT_R8G8B8A8_SINT:
117 case PIPE_FORMAT_R8G8B8A8_UINT:
118 return FMT_8_8_8_8;
119 case PIPE_FORMAT_R10G10B10A2_UNORM:
120 case PIPE_FORMAT_R10G10B10X2_SNORM:
121 case PIPE_FORMAT_B10G10R10A2_UNORM:
122 case PIPE_FORMAT_B10G10R10A2_UINT:
123 case PIPE_FORMAT_R10SG10SB10SA2U_NORM:
124 return FMT_2_10_10_10;
125 case PIPE_FORMAT_Z24X8_UNORM:
126 case PIPE_FORMAT_Z24_UNORM_S8_UINT:
127 return FMT_24_8;
128 case PIPE_FORMAT_R32_UINT:
129 case PIPE_FORMAT_R32_SINT:
130 case PIPE_FORMAT_A32_UINT:
131 case PIPE_FORMAT_A32_SINT:
132 case PIPE_FORMAT_L32_UINT:
133 case PIPE_FORMAT_L32_SINT:
134 case PIPE_FORMAT_I32_UINT:
135 case PIPE_FORMAT_I32_SINT:
136 return FMT_32;
137 case PIPE_FORMAT_R32_FLOAT:
138 case PIPE_FORMAT_A32_FLOAT:
139 case PIPE_FORMAT_L32_FLOAT:
140 case PIPE_FORMAT_I32_FLOAT:
141 case PIPE_FORMAT_Z32_FLOAT:
142 return FMT_32_FLOAT;
143 case PIPE_FORMAT_R16G16_FLOAT:
144 case PIPE_FORMAT_L16A16_FLOAT:
145 return FMT_16_16_FLOAT;
146 case PIPE_FORMAT_R16G16_UNORM:
147 case PIPE_FORMAT_R16G16_SNORM:
148 case PIPE_FORMAT_R16G16_UINT:
149 case PIPE_FORMAT_R16G16_SINT:
150 case PIPE_FORMAT_L16A16_UNORM:
151 case PIPE_FORMAT_L16A16_SNORM:
152 case PIPE_FORMAT_L16A16_UINT:
153 case PIPE_FORMAT_L16A16_SINT:
154 return FMT_16_16;
155
156 /* 64-bit buffers. */
157 case PIPE_FORMAT_R16G16B16A16_UINT:
158 case PIPE_FORMAT_R16G16B16A16_SINT:
159 case PIPE_FORMAT_R16G16B16A16_UNORM:
160 case PIPE_FORMAT_R16G16B16A16_SNORM:
161 return FMT_16_16_16_16;
162 case PIPE_FORMAT_R16G16B16A16_FLOAT:
163 return FMT_16_16_16_16_FLOAT;
164 case PIPE_FORMAT_R32G32_FLOAT:
165 case PIPE_FORMAT_L32A32_FLOAT:
166 return FMT_32_32_FLOAT;
167 case PIPE_FORMAT_R32G32_SINT:
168 case PIPE_FORMAT_R32G32_UINT:
169 case PIPE_FORMAT_L32A32_UINT:
170 case PIPE_FORMAT_L32A32_SINT:
171 return FMT_32_32;
172
173 /* 96-bit buffers. */
174 case PIPE_FORMAT_R32G32B32_FLOAT:
175 return FMT_32_32_32_FLOAT;
176
177 /* 128-bit buffers. */
178 case PIPE_FORMAT_R32G32B32A32_SNORM:
179 case PIPE_FORMAT_R32G32B32A32_UNORM:
180 case PIPE_FORMAT_R32G32B32A32_SINT:
181 case PIPE_FORMAT_R32G32B32A32_UINT:
182 return FMT_32_32_32_32;
183 case PIPE_FORMAT_R32G32B32A32_FLOAT:
184 return FMT_32_32_32_32_FLOAT;
185
186 /* YUV buffers. */
187 case PIPE_FORMAT_UYVY:
188 return FMT_Cr_Y1_Cb_Y0;
189 case PIPE_FORMAT_YUYV:
190 return FMT_Y1_Cr_Y0_Cb;
191
192 default:
193 return ~0;
194 }
195 }
196
197 enum a2xx_colorformatx
fd2_pipe2color(enum pipe_format format)198 fd2_pipe2color(enum pipe_format format)
199 {
200 switch (format) {
201 /* 8-bit buffers. */
202 case PIPE_FORMAT_A8_UNORM:
203 case PIPE_FORMAT_A8_SNORM:
204 case PIPE_FORMAT_A8_UINT:
205 case PIPE_FORMAT_A8_SINT:
206 case PIPE_FORMAT_I8_UNORM:
207 case PIPE_FORMAT_I8_SNORM:
208 case PIPE_FORMAT_I8_UINT:
209 case PIPE_FORMAT_I8_SINT:
210 case PIPE_FORMAT_L8_UNORM:
211 case PIPE_FORMAT_L8_SNORM:
212 case PIPE_FORMAT_L8_UINT:
213 case PIPE_FORMAT_L8_SINT:
214 case PIPE_FORMAT_L8_SRGB:
215 case PIPE_FORMAT_R8_UNORM:
216 case PIPE_FORMAT_R8_SNORM:
217 case PIPE_FORMAT_R8_UINT:
218 case PIPE_FORMAT_R8_SINT:
219 return COLORX_8;
220
221 /* 16-bit buffers. */
222 case PIPE_FORMAT_B5G6R5_UNORM:
223 return COLORX_5_6_5;
224 case PIPE_FORMAT_B5G5R5A1_UNORM:
225 case PIPE_FORMAT_B5G5R5X1_UNORM:
226 return COLORX_1_5_5_5;
227 case PIPE_FORMAT_B4G4R4A4_UNORM:
228 case PIPE_FORMAT_B4G4R4X4_UNORM:
229 return COLORX_4_4_4_4;
230 case PIPE_FORMAT_L8A8_UNORM:
231 case PIPE_FORMAT_L8A8_SNORM:
232 case PIPE_FORMAT_L8A8_UINT:
233 case PIPE_FORMAT_L8A8_SINT:
234 case PIPE_FORMAT_L8A8_SRGB:
235 case PIPE_FORMAT_R8G8_UNORM:
236 case PIPE_FORMAT_R8G8_SNORM:
237 case PIPE_FORMAT_R8G8_UINT:
238 case PIPE_FORMAT_R8G8_SINT:
239 case PIPE_FORMAT_Z16_UNORM:
240 return COLORX_8_8;
241 case PIPE_FORMAT_R16_FLOAT:
242 case PIPE_FORMAT_A16_FLOAT:
243 case PIPE_FORMAT_L16_FLOAT:
244 case PIPE_FORMAT_I16_FLOAT:
245 return COLORX_16_FLOAT;
246
247 /* 32-bit buffers. */
248 case PIPE_FORMAT_A8B8G8R8_SRGB:
249 case PIPE_FORMAT_A8B8G8R8_UNORM:
250 case PIPE_FORMAT_A8R8G8B8_UNORM:
251 case PIPE_FORMAT_B8G8R8A8_SRGB:
252 case PIPE_FORMAT_B8G8R8A8_UNORM:
253 case PIPE_FORMAT_B8G8R8X8_UNORM:
254 case PIPE_FORMAT_R8G8B8A8_SNORM:
255 case PIPE_FORMAT_R8G8B8A8_UNORM:
256 case PIPE_FORMAT_R8G8B8X8_UNORM:
257 case PIPE_FORMAT_R8SG8SB8UX8U_NORM:
258 case PIPE_FORMAT_X8B8G8R8_UNORM:
259 case PIPE_FORMAT_X8R8G8B8_UNORM:
260 case PIPE_FORMAT_R8G8B8_UNORM:
261 case PIPE_FORMAT_R8G8B8A8_SINT:
262 case PIPE_FORMAT_R8G8B8A8_UINT:
263 case PIPE_FORMAT_Z24_UNORM_S8_UINT:
264 case PIPE_FORMAT_Z24X8_UNORM:
265 return COLORX_8_8_8_8;
266 case PIPE_FORMAT_R32_FLOAT:
267 case PIPE_FORMAT_A32_FLOAT:
268 case PIPE_FORMAT_L32_FLOAT:
269 case PIPE_FORMAT_I32_FLOAT:
270 case PIPE_FORMAT_Z32_FLOAT:
271 return COLORX_32_FLOAT;
272 case PIPE_FORMAT_R16G16_FLOAT:
273 case PIPE_FORMAT_L16A16_FLOAT:
274 return COLORX_16_16_FLOAT;
275
276 /* 64-bit buffers. */
277 case PIPE_FORMAT_R16G16B16A16_FLOAT:
278 return COLORX_16_16_16_16_FLOAT;
279 case PIPE_FORMAT_R32G32_FLOAT:
280 case PIPE_FORMAT_L32A32_FLOAT:
281 return COLORX_32_32_FLOAT;
282
283 /* 128-bit buffers. */
284 case PIPE_FORMAT_R32G32B32A32_FLOAT:
285 return COLORX_32_32_32_32_FLOAT;
286
287 default:
288 return ~0;
289 }
290 }
291
292 static inline enum sq_tex_swiz
tex_swiz(unsigned swiz)293 tex_swiz(unsigned swiz)
294 {
295 switch (swiz) {
296 default:
297 case PIPE_SWIZZLE_X: return SQ_TEX_X;
298 case PIPE_SWIZZLE_Y: return SQ_TEX_Y;
299 case PIPE_SWIZZLE_Z: return SQ_TEX_Z;
300 case PIPE_SWIZZLE_W: return SQ_TEX_W;
301 case PIPE_SWIZZLE_0: return SQ_TEX_ZERO;
302 case PIPE_SWIZZLE_1: return SQ_TEX_ONE;
303 }
304 }
305
306 uint32_t
fd2_tex_swiz(enum pipe_format format,unsigned swizzle_r,unsigned swizzle_g,unsigned swizzle_b,unsigned swizzle_a)307 fd2_tex_swiz(enum pipe_format format, unsigned swizzle_r, unsigned swizzle_g,
308 unsigned swizzle_b, unsigned swizzle_a)
309 {
310 const struct util_format_description *desc =
311 util_format_description(format);
312 uint8_t swiz[] = {
313 swizzle_r, swizzle_g, swizzle_b, swizzle_a,
314 PIPE_SWIZZLE_0, PIPE_SWIZZLE_1,
315 PIPE_SWIZZLE_1, PIPE_SWIZZLE_1,
316 };
317
318 return A2XX_SQ_TEX_3_SWIZ_X(tex_swiz(swiz[desc->swizzle[0]])) |
319 A2XX_SQ_TEX_3_SWIZ_Y(tex_swiz(swiz[desc->swizzle[1]])) |
320 A2XX_SQ_TEX_3_SWIZ_Z(tex_swiz(swiz[desc->swizzle[2]])) |
321 A2XX_SQ_TEX_3_SWIZ_W(tex_swiz(swiz[desc->swizzle[3]]));
322 }
323