1 /*
2 * Copyright (c) 2017 Etnaviv Project
3 * Copyright (C) 2017 Zodiac Inflight Innovations
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sub license,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial portions
14 * of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *
24 * Authors:
25 * Wladimir J. van der Laan <laanwj@gmail.com>
26 */
27
28 #include "etnaviv_texture_desc.h"
29
30 #include "hw/common.xml.h"
31 #include "hw/texdesc_3d.xml.h"
32
33 #include "etnaviv_clear_blit.h"
34 #include "etnaviv_context.h"
35 #include "etnaviv_emit.h"
36 #include "etnaviv_format.h"
37 #include "etnaviv_translate.h"
38 #include "etnaviv_texture.h"
39 #include "util/u_inlines.h"
40 #include "util/u_memory.h"
41
42 #include <drm_fourcc.h>
43
44 struct etna_sampler_state_desc {
45 struct pipe_sampler_state base;
46 uint32_t SAMP_CTRL0;
47 uint32_t SAMP_CTRL1;
48 uint32_t SAMP_LOD_MINMAX;
49 uint32_t SAMP_LOD_BIAS;
50 uint32_t SAMP_ANISOTROPY;
51 };
52
53 static inline struct etna_sampler_state_desc *
etna_sampler_state_desc(struct pipe_sampler_state * samp)54 etna_sampler_state_desc(struct pipe_sampler_state *samp)
55 {
56 return (struct etna_sampler_state_desc *)samp;
57 }
58
59 struct etna_sampler_view_desc {
60 struct pipe_sampler_view base;
61 /* format-dependent merged with sampler state */
62 uint32_t SAMP_CTRL0;
63 uint32_t SAMP_CTRL1;
64
65 struct etna_bo *bo;
66 struct etna_reloc DESC_ADDR;
67 struct etna_sampler_ts ts;
68 };
69
70 static inline struct etna_sampler_view_desc *
etna_sampler_view_desc(struct pipe_sampler_view * view)71 etna_sampler_view_desc(struct pipe_sampler_view *view)
72 {
73 return (struct etna_sampler_view_desc *)view;
74 }
75
76 static void *
etna_create_sampler_state_desc(struct pipe_context * pipe,const struct pipe_sampler_state * ss)77 etna_create_sampler_state_desc(struct pipe_context *pipe,
78 const struct pipe_sampler_state *ss)
79 {
80 struct etna_sampler_state_desc *cs = CALLOC_STRUCT(etna_sampler_state_desc);
81 const bool ansio = ss->max_anisotropy > 1;
82
83 if (!cs)
84 return NULL;
85
86 cs->base = *ss;
87
88 cs->SAMP_CTRL0 =
89 VIVS_NTE_DESCRIPTOR_SAMP_CTRL0_UWRAP(translate_texture_wrapmode(ss->wrap_s)) |
90 VIVS_NTE_DESCRIPTOR_SAMP_CTRL0_VWRAP(translate_texture_wrapmode(ss->wrap_t)) |
91 VIVS_NTE_DESCRIPTOR_SAMP_CTRL0_WWRAP(translate_texture_wrapmode(ss->wrap_r)) |
92 VIVS_NTE_DESCRIPTOR_SAMP_CTRL0_MIN(translate_texture_filter(ss->min_img_filter)) |
93 VIVS_NTE_DESCRIPTOR_SAMP_CTRL0_MIP(translate_texture_mipfilter(ss->min_mip_filter)) |
94 VIVS_NTE_DESCRIPTOR_SAMP_CTRL0_MAG(translate_texture_filter(ss->mag_img_filter)) |
95 VIVS_NTE_DESCRIPTOR_SAMP_CTRL0_UNK21;
96 /* no ROUND_UV bit? */
97 cs->SAMP_CTRL1 = VIVS_NTE_DESCRIPTOR_SAMP_CTRL1_UNK1;
98 uint32_t min_lod_fp8 = MIN2(etna_float_to_fixp88(ss->min_lod), 0xfff);
99 uint32_t max_lod_fp8 = MIN2(etna_float_to_fixp88(ss->max_lod), 0xfff);
100 uint32_t max_lod_min = ss->min_img_filter != ss->mag_img_filter ? 4 : 0;
101
102 if (ss->min_mip_filter != PIPE_TEX_MIPFILTER_NONE) {
103 cs->SAMP_LOD_MINMAX =
104 VIVS_NTE_DESCRIPTOR_SAMP_LOD_MINMAX_MAX(MAX2(max_lod_fp8, max_lod_min)) |
105 VIVS_NTE_DESCRIPTOR_SAMP_LOD_MINMAX_MIN(min_lod_fp8);
106 } else {
107 cs->SAMP_LOD_MINMAX =
108 VIVS_NTE_DESCRIPTOR_SAMP_LOD_MINMAX_MAX(MAX2(max_lod_fp8, max_lod_min)) |
109 VIVS_NTE_DESCRIPTOR_SAMP_LOD_MINMAX_MIN(min_lod_fp8);
110 }
111 cs->SAMP_LOD_BIAS =
112 VIVS_NTE_DESCRIPTOR_SAMP_LOD_BIAS_BIAS(etna_float_to_fixp88(ss->lod_bias)) |
113 COND(ss->lod_bias != 0.0, VIVS_NTE_DESCRIPTOR_SAMP_LOD_BIAS_ENABLE);
114 cs->SAMP_ANISOTROPY = COND(ansio, etna_log2_fixp88(ss->max_anisotropy));
115
116 return cs;
117 }
118
119 static void
etna_delete_sampler_state_desc(struct pipe_context * pctx,void * ss)120 etna_delete_sampler_state_desc(struct pipe_context *pctx, void *ss)
121 {
122 FREE(ss);
123 }
124
125 static struct pipe_sampler_view *
etna_create_sampler_view_desc(struct pipe_context * pctx,struct pipe_resource * prsc,const struct pipe_sampler_view * so)126 etna_create_sampler_view_desc(struct pipe_context *pctx, struct pipe_resource *prsc,
127 const struct pipe_sampler_view *so)
128 {
129 const struct util_format_description *desc = util_format_description(so->format);
130 struct etna_sampler_view_desc *sv = CALLOC_STRUCT(etna_sampler_view_desc);
131 struct etna_context *ctx = etna_context(pctx);
132 const uint32_t format = translate_texture_format(so->format);
133 const bool ext = !!(format & EXT_FORMAT);
134 const bool astc = !!(format & ASTC_FORMAT);
135 const uint32_t swiz = get_texture_swiz(so->format, so->swizzle_r,
136 so->swizzle_g, so->swizzle_b,
137 so->swizzle_a);
138
139 if (!sv)
140 return NULL;
141
142 struct etna_resource *res = etna_texture_handle_incompatible(pctx, prsc);
143 if (!res) {
144 free(sv);
145 return NULL;
146 }
147
148 sv->base = *so;
149 pipe_reference_init(&sv->base.reference, 1);
150 sv->base.texture = NULL;
151 pipe_resource_reference(&sv->base.texture, prsc);
152 sv->base.context = pctx;
153
154 /* Determine whether target supported */
155 uint32_t target_hw = translate_texture_target(sv->base.target);
156 if (target_hw == ETNA_NO_MATCH) {
157 BUG("Unhandled texture target");
158 free(sv);
159 return NULL;
160 }
161
162 /* Texture descriptor sampler bits */
163 if (util_format_is_srgb(so->format))
164 sv->SAMP_CTRL1 |= VIVS_NTE_DESCRIPTOR_SAMP_CTRL1_SRGB;
165
166 /* Create texture descriptor */
167 sv->bo = etna_bo_new(ctx->screen->dev, 0x100, DRM_ETNA_GEM_CACHE_WC);
168 if (!sv->bo)
169 goto error;
170
171 uint32_t *buf = etna_bo_map(sv->bo);
172 etna_bo_cpu_prep(sv->bo, DRM_ETNA_PREP_WRITE);
173 memset(buf, 0, 0x100);
174
175 /** GC7000 needs the size of the BASELOD level */
176 uint32_t base_width = u_minify(res->base.width0, sv->base.u.tex.first_level);
177 uint32_t base_height = u_minify(res->base.height0, sv->base.u.tex.first_level);
178 uint32_t base_depth = u_minify(res->base.depth0, sv->base.u.tex.first_level);
179 bool is_array = false;
180 bool sint = util_format_is_pure_sint(so->format);
181
182 if (sv->base.target == PIPE_TEXTURE_1D_ARRAY) {
183 is_array = true;
184 base_height = res->base.array_size;
185 } else if (sv->base.target == PIPE_TEXTURE_2D_ARRAY) {
186 is_array = true;
187 base_depth = res->base.array_size;
188 }
189
190 #define DESC_SET(x, y) buf[(TEXDESC_##x)>>2] = (y)
191 DESC_SET(CONFIG0, COND(!ext && !astc, VIVS_TE_SAMPLER_CONFIG0_FORMAT(format))
192 | VIVS_TE_SAMPLER_CONFIG0_TYPE(target_hw) |
193 COND(res->layout == ETNA_LAYOUT_LINEAR && !util_format_is_compressed(so->format),
194 VIVS_TE_SAMPLER_CONFIG0_ADDRESSING_MODE(TEXTURE_ADDRESSING_MODE_LINEAR)));
195 DESC_SET(CONFIG1, COND(ext, VIVS_TE_SAMPLER_CONFIG1_FORMAT_EXT(format)) |
196 COND(astc, VIVS_TE_SAMPLER_CONFIG1_FORMAT_EXT(TEXTURE_FORMAT_EXT_ASTC)) |
197 COND(is_array, VIVS_TE_SAMPLER_CONFIG1_TEXTURE_ARRAY) |
198 VIVS_TE_SAMPLER_CONFIG1_HALIGN(res->halign) | swiz);
199 DESC_SET(CONFIG2, 0x00030000 |
200 COND(sint && desc->channel[0].size == 8, TE_SAMPLER_CONFIG2_SIGNED_INT8) |
201 COND(sint && desc->channel[0].size == 16, TE_SAMPLER_CONFIG2_SIGNED_INT16));
202 DESC_SET(LINEAR_STRIDE, res->levels[0].stride);
203 DESC_SET(VOLUME, etna_log2_fixp88(base_depth));
204 DESC_SET(SLICE, res->levels[0].layer_stride);
205 DESC_SET(3D_CONFIG, VIVS_TE_SAMPLER_3D_CONFIG_DEPTH(base_depth));
206 DESC_SET(ASTC0, COND(astc, VIVS_NTE_SAMPLER_ASTC0_ASTC_FORMAT(format)) |
207 VIVS_NTE_SAMPLER_ASTC0_UNK8(0xc) |
208 VIVS_NTE_SAMPLER_ASTC0_UNK16(0xc) |
209 VIVS_NTE_SAMPLER_ASTC0_UNK24(0xc));
210 DESC_SET(BASELOD, TEXDESC_BASELOD_BASELOD(sv->base.u.tex.first_level) |
211 TEXDESC_BASELOD_MAXLOD(MIN2(sv->base.u.tex.last_level, res->base.last_level)));
212 DESC_SET(LOG_SIZE_EXT, TEXDESC_LOG_SIZE_EXT_WIDTH(etna_log2_fixp88(base_width)) |
213 TEXDESC_LOG_SIZE_EXT_HEIGHT(etna_log2_fixp88(base_height)));
214 DESC_SET(SIZE, VIVS_TE_SAMPLER_SIZE_WIDTH(base_width) |
215 VIVS_TE_SAMPLER_SIZE_HEIGHT(base_height));
216 for (int lod = 0; lod <= res->base.last_level; ++lod)
217 DESC_SET(LOD_ADDR(lod), etna_bo_gpu_va(res->bo) + res->levels[lod].offset);
218 #undef DESC_SET
219
220 etna_bo_cpu_fini(sv->bo);
221
222 sv->DESC_ADDR.bo = sv->bo;
223 sv->DESC_ADDR.offset = 0;
224 sv->DESC_ADDR.flags = ETNA_RELOC_READ;
225
226 return &sv->base;
227 error:
228 free(sv);
229 return NULL;
230 }
231
232 static void
etna_sampler_view_update_descriptor(struct etna_context * ctx,struct etna_cmd_stream * stream,struct etna_sampler_view_desc * sv)233 etna_sampler_view_update_descriptor(struct etna_context *ctx,
234 struct etna_cmd_stream *stream,
235 struct etna_sampler_view_desc *sv)
236 {
237 /* TODO: this should instruct the kernel to update the descriptor when the
238 * bo is submitted. For now, just prevent the bo from being freed
239 * while it is in use indirectly.
240 */
241 struct etna_resource *res = etna_resource(sv->base.texture);
242 if (res->texture) {
243 res = etna_resource(res->texture);
244 }
245 /* No need to ref LOD levels individually as they'll always come from the same bo */
246 etna_cmd_stream_ref_bo(stream, res->bo, ETNA_RELOC_READ);
247 }
248
249 static void
etna_sampler_view_desc_destroy(struct pipe_context * pctx,struct pipe_sampler_view * so)250 etna_sampler_view_desc_destroy(struct pipe_context *pctx,
251 struct pipe_sampler_view *so)
252 {
253 struct etna_sampler_view_desc *sv = etna_sampler_view_desc(so);
254 pipe_resource_reference(&sv->base.texture, NULL);
255 etna_bo_del(sv->bo);
256 FREE(sv);
257 }
258
259 static void
etna_emit_texture_desc(struct etna_context * ctx)260 etna_emit_texture_desc(struct etna_context *ctx)
261 {
262 struct etna_cmd_stream *stream = ctx->stream;
263 uint32_t active_samplers = active_samplers_bits(ctx);
264 uint32_t dirty = ctx->dirty;
265
266 if (unlikely(dirty & ETNA_DIRTY_SAMPLER_VIEWS)) {
267 for (int x = 0; x < VIVS_TS_SAMPLER__LEN; ++x) {
268 if ((1 << x) & active_samplers) {
269 struct etna_sampler_view_desc *sv = etna_sampler_view_desc(ctx->sampler_view[x]);
270 struct etna_resource *res = etna_resource(sv->base.texture);
271 struct etna_reloc LOD_ADDR_0;
272
273 if (!sv->ts.enable)
274 continue;
275
276 etna_set_state(stream, VIVS_TS_SAMPLER_CONFIG(x), sv->ts.TS_SAMPLER_CONFIG);
277 etna_set_state_reloc(stream, VIVS_TS_SAMPLER_STATUS_BASE(x), &sv->ts.TS_SAMPLER_STATUS_BASE);
278 etna_set_state(stream, VIVS_TS_SAMPLER_CLEAR_VALUE(x), sv->ts.TS_SAMPLER_CLEAR_VALUE);
279 etna_set_state(stream, VIVS_TS_SAMPLER_CLEAR_VALUE2(x), sv->ts.TS_SAMPLER_CLEAR_VALUE2);
280
281 LOD_ADDR_0.bo = res->bo;
282 LOD_ADDR_0.offset = res->levels[0].offset;
283 LOD_ADDR_0.flags = ETNA_RELOC_READ;
284
285 etna_set_state_reloc(stream, VIVS_TS_SAMPLER_SURFACE_BASE(x), &LOD_ADDR_0);
286 }
287 }
288 }
289
290 if (unlikely(dirty & (ETNA_DIRTY_SAMPLERS | ETNA_DIRTY_SAMPLER_VIEWS))) {
291 for (int x = 0; x < PIPE_MAX_SAMPLERS; ++x) {
292 if ((1 << x) & active_samplers) {
293 struct etna_sampler_state_desc *ss = etna_sampler_state_desc(ctx->sampler[x]);
294 struct etna_sampler_view_desc *sv = etna_sampler_view_desc(ctx->sampler_view[x]);
295 uint32_t SAMP_CTRL0 = ss->SAMP_CTRL0 | sv->SAMP_CTRL0;
296
297 if (texture_use_int_filter(&sv->base, &ss->base, true))
298 SAMP_CTRL0 |= VIVS_NTE_DESCRIPTOR_SAMP_CTRL0_INT_FILTER;
299
300 etna_set_state(stream, VIVS_NTE_DESCRIPTOR_TX_CTRL(x),
301 COND(sv->ts.enable, VIVS_NTE_DESCRIPTOR_TX_CTRL_TS_ENABLE) |
302 VIVS_NTE_DESCRIPTOR_TX_CTRL_TS_MODE(sv->ts.mode) |
303 VIVS_NTE_DESCRIPTOR_TX_CTRL_TS_INDEX(x)|
304 COND(sv->ts.comp, VIVS_NTE_DESCRIPTOR_TX_CTRL_COMPRESSION));
305 etna_set_state(stream, VIVS_NTE_DESCRIPTOR_SAMP_CTRL0(x), SAMP_CTRL0);
306 etna_set_state(stream, VIVS_NTE_DESCRIPTOR_SAMP_CTRL1(x), ss->SAMP_CTRL1 | sv->SAMP_CTRL1);
307 etna_set_state(stream, VIVS_NTE_DESCRIPTOR_SAMP_LOD_MINMAX(x), ss->SAMP_LOD_MINMAX);
308 etna_set_state(stream, VIVS_NTE_DESCRIPTOR_SAMP_LOD_BIAS(x), ss->SAMP_LOD_BIAS);
309 etna_set_state(stream, VIVS_NTE_DESCRIPTOR_SAMP_ANISOTROPY(x), ss->SAMP_ANISOTROPY);
310 }
311 }
312 }
313
314 if (unlikely(dirty & ETNA_DIRTY_SAMPLER_VIEWS)) {
315 /* Set texture descriptors */
316 for (int x = 0; x < PIPE_MAX_SAMPLERS; ++x) {
317 if ((1 << x) & ctx->dirty_sampler_views) {
318 if ((1 << x) & active_samplers) {
319 struct etna_sampler_view_desc *sv = etna_sampler_view_desc(ctx->sampler_view[x]);
320 etna_sampler_view_update_descriptor(ctx, stream, sv);
321 etna_set_state_reloc(stream, VIVS_NTE_DESCRIPTOR_ADDR(x), &sv->DESC_ADDR);
322 } else {
323 /* dummy texture descriptors for unused samplers */
324 etna_set_state_reloc(stream, VIVS_NTE_DESCRIPTOR_ADDR(x), &ctx->DUMMY_DESC_ADDR);
325 }
326 }
327 }
328 }
329
330 if (unlikely(dirty & ETNA_DIRTY_SAMPLER_VIEWS)) {
331 /* Invalidate all dirty sampler views.
332 */
333 for (int x = 0; x < PIPE_MAX_SAMPLERS; ++x) {
334 if ((1 << x) & ctx->dirty_sampler_views) {
335 etna_set_state(stream, VIVS_NTE_DESCRIPTOR_INVALIDATE,
336 VIVS_NTE_DESCRIPTOR_INVALIDATE_UNK29 |
337 VIVS_NTE_DESCRIPTOR_INVALIDATE_IDX(x));
338 }
339 }
340 }
341 }
342
343 static struct etna_sampler_ts*
etna_ts_for_sampler_view_state(struct pipe_sampler_view * pview)344 etna_ts_for_sampler_view_state(struct pipe_sampler_view *pview)
345 {
346 struct etna_sampler_view_desc *sv = etna_sampler_view_desc(pview);
347 return &sv->ts;
348 }
349
350 void
etna_texture_desc_init(struct pipe_context * pctx)351 etna_texture_desc_init(struct pipe_context *pctx)
352 {
353 struct etna_context *ctx = etna_context(pctx);
354 DBG("etnaviv: Using descriptor-based texturing\n");
355 ctx->base.create_sampler_state = etna_create_sampler_state_desc;
356 ctx->base.delete_sampler_state = etna_delete_sampler_state_desc;
357 ctx->base.create_sampler_view = etna_create_sampler_view_desc;
358 ctx->base.sampler_view_destroy = etna_sampler_view_desc_destroy;
359 ctx->emit_texture_state = etna_emit_texture_desc;
360 ctx->ts_for_sampler_view = etna_ts_for_sampler_view_state;
361 }
362
363