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1 /*
2  * Copyright 2014, 2015 Red Hat.
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 #include <stdint.h>
24 #include <assert.h>
25 #include <string.h>
26 
27 #include "util/format/u_format.h"
28 #include "util/u_memory.h"
29 #include "util/u_math.h"
30 #include "pipe/p_state.h"
31 #include "tgsi/tgsi_dump.h"
32 #include "tgsi/tgsi_parse.h"
33 
34 #include "virgl_context.h"
35 #include "virgl_encode.h"
36 #include "virtio-gpu/virgl_protocol.h"
37 #include "virgl_resource.h"
38 #include "virgl_screen.h"
39 
40 #define VIRGL_ENCODE_MAX_DWORDS MIN2(VIRGL_MAX_CMDBUF_DWORDS, VIRGL_CMD0_MAX_DWORDS)
41 
42 #define CONV_FORMAT(f) [PIPE_FORMAT_##f] = VIRGL_FORMAT_##f,
43 
44 static const enum virgl_formats virgl_formats_conv_table[PIPE_FORMAT_COUNT] = {
45    CONV_FORMAT(B8G8R8A8_UNORM)
46    CONV_FORMAT(B8G8R8X8_UNORM)
47    CONV_FORMAT(A8R8G8B8_UNORM)
48    CONV_FORMAT(X8R8G8B8_UNORM)
49    CONV_FORMAT(B5G5R5A1_UNORM)
50    CONV_FORMAT(B4G4R4A4_UNORM)
51    CONV_FORMAT(B5G6R5_UNORM)
52    CONV_FORMAT(R10G10B10A2_UNORM)
53    CONV_FORMAT(L8_UNORM)
54    CONV_FORMAT(A8_UNORM)
55    CONV_FORMAT(L8A8_UNORM)
56    CONV_FORMAT(L16_UNORM)
57    CONV_FORMAT(Z16_UNORM)
58    CONV_FORMAT(Z32_UNORM)
59    CONV_FORMAT(Z32_FLOAT)
60    CONV_FORMAT(Z24_UNORM_S8_UINT)
61    CONV_FORMAT(S8_UINT_Z24_UNORM)
62    CONV_FORMAT(Z24X8_UNORM)
63    CONV_FORMAT(X8Z24_UNORM)
64    CONV_FORMAT(S8_UINT)
65    CONV_FORMAT(R64_FLOAT)
66    CONV_FORMAT(R64G64_FLOAT)
67    CONV_FORMAT(R64G64B64_FLOAT)
68    CONV_FORMAT(R64G64B64A64_FLOAT)
69    CONV_FORMAT(R32_FLOAT)
70    CONV_FORMAT(R32G32_FLOAT)
71    CONV_FORMAT(R32G32B32_FLOAT)
72    CONV_FORMAT(R32G32B32A32_FLOAT)
73    CONV_FORMAT(R32_UNORM)
74    CONV_FORMAT(R32G32_UNORM)
75    CONV_FORMAT(R32G32B32_UNORM)
76    CONV_FORMAT(R32G32B32A32_UNORM)
77    CONV_FORMAT(R32_USCALED)
78    CONV_FORMAT(R32G32_USCALED)
79    CONV_FORMAT(R32G32B32_USCALED)
80    CONV_FORMAT(R32G32B32A32_USCALED)
81    CONV_FORMAT(R32_SNORM)
82    CONV_FORMAT(R32G32_SNORM)
83    CONV_FORMAT(R32G32B32_SNORM)
84    CONV_FORMAT(R32G32B32A32_SNORM)
85    CONV_FORMAT(R32_SSCALED)
86    CONV_FORMAT(R32G32_SSCALED)
87    CONV_FORMAT(R32G32B32_SSCALED)
88    CONV_FORMAT(R32G32B32A32_SSCALED)
89    CONV_FORMAT(R16_UNORM)
90    CONV_FORMAT(R16G16_UNORM)
91    CONV_FORMAT(R16G16B16_UNORM)
92    CONV_FORMAT(R16G16B16A16_UNORM)
93    CONV_FORMAT(R16_USCALED)
94    CONV_FORMAT(R16G16_USCALED)
95    CONV_FORMAT(R16G16B16_USCALED)
96    CONV_FORMAT(R16G16B16A16_USCALED)
97    CONV_FORMAT(R16_SNORM)
98    CONV_FORMAT(R16G16_SNORM)
99    CONV_FORMAT(R16G16B16_SNORM)
100    CONV_FORMAT(R16G16B16A16_SNORM)
101    CONV_FORMAT(R16_SSCALED)
102    CONV_FORMAT(R16G16_SSCALED)
103    CONV_FORMAT(R16G16B16_SSCALED)
104    CONV_FORMAT(R16G16B16A16_SSCALED)
105    CONV_FORMAT(R8_UNORM)
106    CONV_FORMAT(R8G8_UNORM)
107    CONV_FORMAT(R8G8B8_UNORM)
108    CONV_FORMAT(R8G8B8A8_UNORM)
109    CONV_FORMAT(R8_USCALED)
110    CONV_FORMAT(R8G8_USCALED)
111    CONV_FORMAT(R8G8B8_USCALED)
112    CONV_FORMAT(R8G8B8A8_USCALED)
113    CONV_FORMAT(R8_SNORM)
114    CONV_FORMAT(R8G8_SNORM)
115    CONV_FORMAT(R8G8B8_SNORM)
116    CONV_FORMAT(R8G8B8A8_SNORM)
117    CONV_FORMAT(R8_SSCALED)
118    CONV_FORMAT(R8G8_SSCALED)
119    CONV_FORMAT(R8G8B8_SSCALED)
120    CONV_FORMAT(R8G8B8A8_SSCALED)
121    CONV_FORMAT(R16_FLOAT)
122    CONV_FORMAT(R16G16_FLOAT)
123    CONV_FORMAT(R16G16B16_FLOAT)
124    CONV_FORMAT(R16G16B16A16_FLOAT)
125    CONV_FORMAT(L8_SRGB)
126    CONV_FORMAT(L8A8_SRGB)
127    CONV_FORMAT(R8G8B8_SRGB)
128    CONV_FORMAT(A8B8G8R8_SRGB)
129    CONV_FORMAT(X8B8G8R8_SRGB)
130    CONV_FORMAT(B8G8R8A8_SRGB)
131    CONV_FORMAT(B8G8R8X8_SRGB)
132    CONV_FORMAT(A8R8G8B8_SRGB)
133    CONV_FORMAT(X8R8G8B8_SRGB)
134    CONV_FORMAT(R8G8B8A8_SRGB)
135    CONV_FORMAT(DXT1_RGB)
136    CONV_FORMAT(DXT1_RGBA)
137    CONV_FORMAT(DXT3_RGBA)
138    CONV_FORMAT(DXT5_RGBA)
139    CONV_FORMAT(DXT1_SRGB)
140    CONV_FORMAT(DXT1_SRGBA)
141    CONV_FORMAT(DXT3_SRGBA)
142    CONV_FORMAT(DXT5_SRGBA)
143    CONV_FORMAT(RGTC1_UNORM)
144    CONV_FORMAT(RGTC1_SNORM)
145    CONV_FORMAT(RGTC2_UNORM)
146    CONV_FORMAT(RGTC2_SNORM)
147    CONV_FORMAT(A8B8G8R8_UNORM)
148    CONV_FORMAT(B5G5R5X1_UNORM)
149    CONV_FORMAT(R10G10B10A2_USCALED)
150    CONV_FORMAT(R11G11B10_FLOAT)
151    CONV_FORMAT(R9G9B9E5_FLOAT)
152    CONV_FORMAT(Z32_FLOAT_S8X24_UINT)
153    CONV_FORMAT(B10G10R10A2_UNORM)
154    CONV_FORMAT(R8G8B8X8_UNORM)
155    CONV_FORMAT(B4G4R4X4_UNORM)
156    CONV_FORMAT(X24S8_UINT)
157    CONV_FORMAT(S8X24_UINT)
158    CONV_FORMAT(X32_S8X24_UINT)
159    CONV_FORMAT(B2G3R3_UNORM)
160    CONV_FORMAT(L16A16_UNORM)
161    CONV_FORMAT(A16_UNORM)
162    CONV_FORMAT(I16_UNORM)
163    CONV_FORMAT(LATC1_UNORM)
164    CONV_FORMAT(LATC1_SNORM)
165    CONV_FORMAT(LATC2_UNORM)
166    CONV_FORMAT(LATC2_SNORM)
167    CONV_FORMAT(A8_SNORM)
168    CONV_FORMAT(L8_SNORM)
169    CONV_FORMAT(L8A8_SNORM)
170    CONV_FORMAT(A16_SNORM)
171    CONV_FORMAT(L16_SNORM)
172    CONV_FORMAT(L16A16_SNORM)
173    CONV_FORMAT(A16_FLOAT)
174    CONV_FORMAT(L16_FLOAT)
175    CONV_FORMAT(L16A16_FLOAT)
176    CONV_FORMAT(A32_FLOAT)
177    CONV_FORMAT(L32_FLOAT)
178    CONV_FORMAT(L32A32_FLOAT)
179    CONV_FORMAT(YV12)
180    CONV_FORMAT(YV16)
181    CONV_FORMAT(IYUV)
182    CONV_FORMAT(NV12)
183    CONV_FORMAT(NV21)
184    CONV_FORMAT(R8_UINT)
185    CONV_FORMAT(R8G8_UINT)
186    CONV_FORMAT(R8G8B8_UINT)
187    CONV_FORMAT(R8G8B8A8_UINT)
188    CONV_FORMAT(R8_SINT)
189    CONV_FORMAT(R8G8_SINT)
190    CONV_FORMAT(R8G8B8_SINT)
191    CONV_FORMAT(R8G8B8A8_SINT)
192    CONV_FORMAT(R16_UINT)
193    CONV_FORMAT(R16G16_UINT)
194    CONV_FORMAT(R16G16B16_UINT)
195    CONV_FORMAT(R16G16B16A16_UINT)
196    CONV_FORMAT(R16_SINT)
197    CONV_FORMAT(R16G16_SINT)
198    CONV_FORMAT(R16G16B16_SINT)
199    CONV_FORMAT(R16G16B16A16_SINT)
200    CONV_FORMAT(R32_UINT)
201    CONV_FORMAT(R32G32_UINT)
202    CONV_FORMAT(R32G32B32_UINT)
203    CONV_FORMAT(R32G32B32A32_UINT)
204    CONV_FORMAT(R32_SINT)
205    CONV_FORMAT(R32G32_SINT)
206    CONV_FORMAT(R32G32B32_SINT)
207    CONV_FORMAT(R32G32B32A32_SINT)
208    CONV_FORMAT(A8_UINT)
209    CONV_FORMAT(L8_UINT)
210    CONV_FORMAT(L8A8_UINT)
211    CONV_FORMAT(A8_SINT)
212    CONV_FORMAT(L8_SINT)
213    CONV_FORMAT(L8A8_SINT)
214    CONV_FORMAT(A16_UINT)
215    CONV_FORMAT(L16_UINT)
216    CONV_FORMAT(L16A16_UINT)
217    CONV_FORMAT(A16_SINT)
218    CONV_FORMAT(L16_SINT)
219    CONV_FORMAT(L16A16_SINT)
220    CONV_FORMAT(A32_UINT)
221    CONV_FORMAT(L32_UINT)
222    CONV_FORMAT(L32A32_UINT)
223    CONV_FORMAT(A32_SINT)
224    CONV_FORMAT(L32_SINT)
225    CONV_FORMAT(L32A32_SINT)
226    CONV_FORMAT(R10G10B10A2_SSCALED)
227    CONV_FORMAT(R10G10B10A2_SNORM)
228    CONV_FORMAT(B10G10R10A2_SNORM)
229    CONV_FORMAT(B10G10R10A2_UINT)
230    CONV_FORMAT(R8G8B8X8_SNORM)
231    CONV_FORMAT(R8G8B8X8_SRGB)
232    CONV_FORMAT(R8G8B8X8_UINT)
233    CONV_FORMAT(R8G8B8X8_SINT)
234    CONV_FORMAT(B10G10R10X2_UNORM)
235    CONV_FORMAT(R16G16B16X16_UNORM)
236    CONV_FORMAT(R16G16B16X16_SNORM)
237    CONV_FORMAT(R16G16B16X16_FLOAT)
238    CONV_FORMAT(R16G16B16X16_UINT)
239    CONV_FORMAT(R16G16B16X16_SINT)
240    CONV_FORMAT(R32G32B32X32_FLOAT)
241    CONV_FORMAT(R32G32B32X32_UINT)
242    CONV_FORMAT(R32G32B32X32_SINT)
243    CONV_FORMAT(R10G10B10A2_UINT)
244    CONV_FORMAT(BPTC_RGBA_UNORM)
245    CONV_FORMAT(BPTC_SRGBA)
246    CONV_FORMAT(BPTC_RGB_FLOAT)
247    CONV_FORMAT(BPTC_RGB_UFLOAT)
248    CONV_FORMAT(R10G10B10X2_UNORM)
249    CONV_FORMAT(A4B4G4R4_UNORM)
250    CONV_FORMAT(R8_SRGB)
251    CONV_FORMAT(R8G8_SRGB)
252    CONV_FORMAT(ETC1_RGB8)
253    CONV_FORMAT(ETC2_RGB8)
254    CONV_FORMAT(ETC2_SRGB8)
255    CONV_FORMAT(ETC2_RGB8A1)
256    CONV_FORMAT(ETC2_SRGB8A1)
257    CONV_FORMAT(ETC2_RGBA8)
258    CONV_FORMAT(ETC2_SRGBA8)
259    CONV_FORMAT(ETC2_R11_UNORM)
260    CONV_FORMAT(ETC2_R11_SNORM)
261    CONV_FORMAT(ETC2_RG11_UNORM)
262    CONV_FORMAT(ETC2_RG11_SNORM)
263    CONV_FORMAT(ASTC_4x4)
264    CONV_FORMAT(ASTC_5x4)
265    CONV_FORMAT(ASTC_5x5)
266    CONV_FORMAT(ASTC_6x5)
267    CONV_FORMAT(ASTC_6x6)
268    CONV_FORMAT(ASTC_8x5)
269    CONV_FORMAT(ASTC_8x6)
270    CONV_FORMAT(ASTC_8x8)
271    CONV_FORMAT(ASTC_10x5)
272    CONV_FORMAT(ASTC_10x6)
273    CONV_FORMAT(ASTC_10x8)
274    CONV_FORMAT(ASTC_10x10)
275    CONV_FORMAT(ASTC_12x10)
276    CONV_FORMAT(ASTC_12x12)
277    CONV_FORMAT(ASTC_4x4_SRGB)
278    CONV_FORMAT(ASTC_5x4_SRGB)
279    CONV_FORMAT(ASTC_5x5_SRGB)
280    CONV_FORMAT(ASTC_6x5_SRGB)
281    CONV_FORMAT(ASTC_6x6_SRGB)
282    CONV_FORMAT(ASTC_8x5_SRGB)
283    CONV_FORMAT(ASTC_8x6_SRGB)
284    CONV_FORMAT(ASTC_8x8_SRGB )
285    CONV_FORMAT(ASTC_10x5_SRGB)
286    CONV_FORMAT(ASTC_10x6_SRGB)
287    CONV_FORMAT(ASTC_10x8_SRGB)
288    CONV_FORMAT(ASTC_10x10_SRGB)
289    CONV_FORMAT(ASTC_12x10_SRGB)
290    CONV_FORMAT(ASTC_12x12_SRGB)
291 };
292 
pipe_to_virgl_format(enum pipe_format format)293 enum virgl_formats pipe_to_virgl_format(enum pipe_format format)
294 {
295    enum virgl_formats vformat = virgl_formats_conv_table[format];
296    if (format != PIPE_FORMAT_NONE && !vformat)
297       debug_printf("VIRGL: pipe format %s not in the format table\n", util_format_name(format));
298    return vformat;
299 }
300 
virgl_encoder_write_cmd_dword(struct virgl_context * ctx,uint32_t dword)301 static int virgl_encoder_write_cmd_dword(struct virgl_context *ctx,
302                                         uint32_t dword)
303 {
304    int len = (dword >> 16);
305 
306    if ((ctx->cbuf->cdw + len + 1) > VIRGL_MAX_CMDBUF_DWORDS)
307       ctx->base.flush(&ctx->base, NULL, 0);
308 
309    virgl_encoder_write_dword(ctx->cbuf, dword);
310    return 0;
311 }
312 
virgl_encoder_emit_resource(struct virgl_screen * vs,struct virgl_cmd_buf * buf,struct virgl_resource * res)313 static void virgl_encoder_emit_resource(struct virgl_screen *vs,
314                                         struct virgl_cmd_buf *buf,
315                                         struct virgl_resource *res)
316 {
317    struct virgl_winsys *vws = vs->vws;
318    if (res && res->hw_res)
319       vws->emit_res(vws, buf, res->hw_res, TRUE);
320    else {
321       virgl_encoder_write_dword(buf, 0);
322    }
323 }
324 
virgl_encoder_write_res(struct virgl_context * ctx,struct virgl_resource * res)325 static void virgl_encoder_write_res(struct virgl_context *ctx,
326                                     struct virgl_resource *res)
327 {
328    struct virgl_screen *vs = virgl_screen(ctx->base.screen);
329    virgl_encoder_emit_resource(vs, ctx->cbuf, res);
330 }
331 
virgl_encode_bind_object(struct virgl_context * ctx,uint32_t handle,uint32_t object)332 int virgl_encode_bind_object(struct virgl_context *ctx,
333                             uint32_t handle, uint32_t object)
334 {
335    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_BIND_OBJECT, object, 1));
336    virgl_encoder_write_dword(ctx->cbuf, handle);
337    return 0;
338 }
339 
virgl_encode_delete_object(struct virgl_context * ctx,uint32_t handle,uint32_t object)340 int virgl_encode_delete_object(struct virgl_context *ctx,
341                               uint32_t handle, uint32_t object)
342 {
343    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_DESTROY_OBJECT, object, 1));
344    virgl_encoder_write_dword(ctx->cbuf, handle);
345    return 0;
346 }
347 
virgl_encode_blend_state(struct virgl_context * ctx,uint32_t handle,const struct pipe_blend_state * blend_state)348 int virgl_encode_blend_state(struct virgl_context *ctx,
349                             uint32_t handle,
350                             const struct pipe_blend_state *blend_state)
351 {
352    uint32_t tmp;
353    int i;
354 
355    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CREATE_OBJECT, VIRGL_OBJECT_BLEND, VIRGL_OBJ_BLEND_SIZE));
356    virgl_encoder_write_dword(ctx->cbuf, handle);
357 
358    tmp =
359       VIRGL_OBJ_BLEND_S0_INDEPENDENT_BLEND_ENABLE(blend_state->independent_blend_enable) |
360       VIRGL_OBJ_BLEND_S0_LOGICOP_ENABLE(blend_state->logicop_enable) |
361       VIRGL_OBJ_BLEND_S0_DITHER(blend_state->dither) |
362       VIRGL_OBJ_BLEND_S0_ALPHA_TO_COVERAGE(blend_state->alpha_to_coverage) |
363       VIRGL_OBJ_BLEND_S0_ALPHA_TO_ONE(blend_state->alpha_to_one);
364 
365    virgl_encoder_write_dword(ctx->cbuf, tmp);
366 
367    tmp = VIRGL_OBJ_BLEND_S1_LOGICOP_FUNC(blend_state->logicop_func);
368    virgl_encoder_write_dword(ctx->cbuf, tmp);
369 
370    for (i = 0; i < VIRGL_MAX_COLOR_BUFS; i++) {
371       /* We use alpha src factor to pass the advanced blend equation value
372        * to the host. By doing so, we don't have to change the protocol.
373        */
374       uint32_t alpha = (i == 0 && blend_state->advanced_blend_func)
375                         ? blend_state->advanced_blend_func
376                         : blend_state->rt[i].alpha_src_factor;
377       tmp =
378          VIRGL_OBJ_BLEND_S2_RT_BLEND_ENABLE(blend_state->rt[i].blend_enable) |
379          VIRGL_OBJ_BLEND_S2_RT_RGB_FUNC(blend_state->rt[i].rgb_func) |
380          VIRGL_OBJ_BLEND_S2_RT_RGB_SRC_FACTOR(blend_state->rt[i].rgb_src_factor) |
381          VIRGL_OBJ_BLEND_S2_RT_RGB_DST_FACTOR(blend_state->rt[i].rgb_dst_factor)|
382          VIRGL_OBJ_BLEND_S2_RT_ALPHA_FUNC(blend_state->rt[i].alpha_func) |
383          VIRGL_OBJ_BLEND_S2_RT_ALPHA_SRC_FACTOR(alpha) |
384          VIRGL_OBJ_BLEND_S2_RT_ALPHA_DST_FACTOR(blend_state->rt[i].alpha_dst_factor) |
385          VIRGL_OBJ_BLEND_S2_RT_COLORMASK(blend_state->rt[i].colormask);
386       virgl_encoder_write_dword(ctx->cbuf, tmp);
387    }
388    return 0;
389 }
390 
virgl_encode_dsa_state(struct virgl_context * ctx,uint32_t handle,const struct pipe_depth_stencil_alpha_state * dsa_state)391 int virgl_encode_dsa_state(struct virgl_context *ctx,
392                           uint32_t handle,
393                           const struct pipe_depth_stencil_alpha_state *dsa_state)
394 {
395    uint32_t tmp;
396    int i;
397    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CREATE_OBJECT, VIRGL_OBJECT_DSA, VIRGL_OBJ_DSA_SIZE));
398    virgl_encoder_write_dword(ctx->cbuf, handle);
399 
400    tmp = VIRGL_OBJ_DSA_S0_DEPTH_ENABLE(dsa_state->depth_enabled) |
401       VIRGL_OBJ_DSA_S0_DEPTH_WRITEMASK(dsa_state->depth_writemask) |
402       VIRGL_OBJ_DSA_S0_DEPTH_FUNC(dsa_state->depth_func) |
403       VIRGL_OBJ_DSA_S0_ALPHA_ENABLED(dsa_state->alpha_enabled) |
404       VIRGL_OBJ_DSA_S0_ALPHA_FUNC(dsa_state->alpha_func);
405    virgl_encoder_write_dword(ctx->cbuf, tmp);
406 
407    for (i = 0; i < 2; i++) {
408       tmp = VIRGL_OBJ_DSA_S1_STENCIL_ENABLED(dsa_state->stencil[i].enabled) |
409          VIRGL_OBJ_DSA_S1_STENCIL_FUNC(dsa_state->stencil[i].func) |
410          VIRGL_OBJ_DSA_S1_STENCIL_FAIL_OP(dsa_state->stencil[i].fail_op) |
411          VIRGL_OBJ_DSA_S1_STENCIL_ZPASS_OP(dsa_state->stencil[i].zpass_op) |
412          VIRGL_OBJ_DSA_S1_STENCIL_ZFAIL_OP(dsa_state->stencil[i].zfail_op) |
413          VIRGL_OBJ_DSA_S1_STENCIL_VALUEMASK(dsa_state->stencil[i].valuemask) |
414          VIRGL_OBJ_DSA_S1_STENCIL_WRITEMASK(dsa_state->stencil[i].writemask);
415       virgl_encoder_write_dword(ctx->cbuf, tmp);
416    }
417 
418    virgl_encoder_write_dword(ctx->cbuf, fui(dsa_state->alpha_ref_value));
419    return 0;
420 }
virgl_encode_rasterizer_state(struct virgl_context * ctx,uint32_t handle,const struct pipe_rasterizer_state * state)421 int virgl_encode_rasterizer_state(struct virgl_context *ctx,
422                                   uint32_t handle,
423                                   const struct pipe_rasterizer_state *state)
424 {
425    uint32_t tmp;
426 
427    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CREATE_OBJECT, VIRGL_OBJECT_RASTERIZER, VIRGL_OBJ_RS_SIZE));
428    virgl_encoder_write_dword(ctx->cbuf, handle);
429 
430    tmp = VIRGL_OBJ_RS_S0_FLATSHADE(state->flatshade) |
431       VIRGL_OBJ_RS_S0_DEPTH_CLIP(state->depth_clip_near) |
432       VIRGL_OBJ_RS_S0_CLIP_HALFZ(state->clip_halfz) |
433       VIRGL_OBJ_RS_S0_RASTERIZER_DISCARD(state->rasterizer_discard) |
434       VIRGL_OBJ_RS_S0_FLATSHADE_FIRST(state->flatshade_first) |
435       VIRGL_OBJ_RS_S0_LIGHT_TWOSIZE(state->light_twoside) |
436       VIRGL_OBJ_RS_S0_SPRITE_COORD_MODE(state->sprite_coord_mode) |
437       VIRGL_OBJ_RS_S0_POINT_QUAD_RASTERIZATION(state->point_quad_rasterization) |
438       VIRGL_OBJ_RS_S0_CULL_FACE(state->cull_face) |
439       VIRGL_OBJ_RS_S0_FILL_FRONT(state->fill_front) |
440       VIRGL_OBJ_RS_S0_FILL_BACK(state->fill_back) |
441       VIRGL_OBJ_RS_S0_SCISSOR(state->scissor) |
442       VIRGL_OBJ_RS_S0_FRONT_CCW(state->front_ccw) |
443       VIRGL_OBJ_RS_S0_CLAMP_VERTEX_COLOR(state->clamp_vertex_color) |
444       VIRGL_OBJ_RS_S0_CLAMP_FRAGMENT_COLOR(state->clamp_fragment_color) |
445       VIRGL_OBJ_RS_S0_OFFSET_LINE(state->offset_line) |
446       VIRGL_OBJ_RS_S0_OFFSET_POINT(state->offset_point) |
447       VIRGL_OBJ_RS_S0_OFFSET_TRI(state->offset_tri) |
448       VIRGL_OBJ_RS_S0_POLY_SMOOTH(state->poly_smooth) |
449       VIRGL_OBJ_RS_S0_POLY_STIPPLE_ENABLE(state->poly_stipple_enable) |
450       VIRGL_OBJ_RS_S0_POINT_SMOOTH(state->point_smooth) |
451       VIRGL_OBJ_RS_S0_POINT_SIZE_PER_VERTEX(state->point_size_per_vertex) |
452       VIRGL_OBJ_RS_S0_MULTISAMPLE(state->multisample) |
453       VIRGL_OBJ_RS_S0_LINE_SMOOTH(state->line_smooth) |
454       VIRGL_OBJ_RS_S0_LINE_STIPPLE_ENABLE(state->line_stipple_enable) |
455       VIRGL_OBJ_RS_S0_LINE_LAST_PIXEL(state->line_last_pixel) |
456       VIRGL_OBJ_RS_S0_HALF_PIXEL_CENTER(state->half_pixel_center) |
457       VIRGL_OBJ_RS_S0_BOTTOM_EDGE_RULE(state->bottom_edge_rule) |
458       VIRGL_OBJ_RS_S0_FORCE_PERSAMPLE_INTERP(state->force_persample_interp);
459 
460    virgl_encoder_write_dword(ctx->cbuf, tmp); /* S0 */
461    virgl_encoder_write_dword(ctx->cbuf, fui(state->point_size)); /* S1 */
462    virgl_encoder_write_dword(ctx->cbuf, state->sprite_coord_enable); /* S2 */
463    tmp = VIRGL_OBJ_RS_S3_LINE_STIPPLE_PATTERN(state->line_stipple_pattern) |
464       VIRGL_OBJ_RS_S3_LINE_STIPPLE_FACTOR(state->line_stipple_factor) |
465       VIRGL_OBJ_RS_S3_CLIP_PLANE_ENABLE(state->clip_plane_enable);
466    virgl_encoder_write_dword(ctx->cbuf, tmp); /* S3 */
467    virgl_encoder_write_dword(ctx->cbuf, fui(state->line_width)); /* S4 */
468    virgl_encoder_write_dword(ctx->cbuf, fui(state->offset_units)); /* S5 */
469    virgl_encoder_write_dword(ctx->cbuf, fui(state->offset_scale)); /* S6 */
470    virgl_encoder_write_dword(ctx->cbuf, fui(state->offset_clamp)); /* S7 */
471    return 0;
472 }
473 
virgl_emit_shader_header(struct virgl_context * ctx,uint32_t handle,uint32_t len,uint32_t type,uint32_t offlen,uint32_t num_tokens)474 static void virgl_emit_shader_header(struct virgl_context *ctx,
475                                      uint32_t handle, uint32_t len,
476                                      uint32_t type, uint32_t offlen,
477                                      uint32_t num_tokens)
478 {
479    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CREATE_OBJECT, VIRGL_OBJECT_SHADER, len));
480    virgl_encoder_write_dword(ctx->cbuf, handle);
481    virgl_encoder_write_dword(ctx->cbuf, type);
482    virgl_encoder_write_dword(ctx->cbuf, offlen);
483    virgl_encoder_write_dword(ctx->cbuf, num_tokens);
484 }
485 
virgl_emit_shader_streamout(struct virgl_context * ctx,const struct pipe_stream_output_info * so_info)486 static void virgl_emit_shader_streamout(struct virgl_context *ctx,
487                                         const struct pipe_stream_output_info *so_info)
488 {
489    int num_outputs = 0;
490    int i;
491    uint32_t tmp;
492 
493    if (so_info)
494       num_outputs = so_info->num_outputs;
495 
496    virgl_encoder_write_dword(ctx->cbuf, num_outputs);
497    if (num_outputs) {
498       for (i = 0; i < 4; i++)
499          virgl_encoder_write_dword(ctx->cbuf, so_info->stride[i]);
500 
501       for (i = 0; i < so_info->num_outputs; i++) {
502          tmp =
503            VIRGL_OBJ_SHADER_SO_OUTPUT_REGISTER_INDEX(so_info->output[i].register_index) |
504            VIRGL_OBJ_SHADER_SO_OUTPUT_START_COMPONENT(so_info->output[i].start_component) |
505            VIRGL_OBJ_SHADER_SO_OUTPUT_NUM_COMPONENTS(so_info->output[i].num_components) |
506            VIRGL_OBJ_SHADER_SO_OUTPUT_BUFFER(so_info->output[i].output_buffer) |
507            VIRGL_OBJ_SHADER_SO_OUTPUT_DST_OFFSET(so_info->output[i].dst_offset);
508          virgl_encoder_write_dword(ctx->cbuf, tmp);
509          virgl_encoder_write_dword(ctx->cbuf, so_info->output[i].stream);
510       }
511    }
512 }
513 
virgl_encode_shader_state(struct virgl_context * ctx,uint32_t handle,uint32_t type,const struct pipe_stream_output_info * so_info,uint32_t cs_req_local_mem,const struct tgsi_token * tokens)514 int virgl_encode_shader_state(struct virgl_context *ctx,
515                               uint32_t handle,
516                               uint32_t type,
517                               const struct pipe_stream_output_info *so_info,
518                               uint32_t cs_req_local_mem,
519                               const struct tgsi_token *tokens)
520 {
521    char *str, *sptr;
522    uint32_t shader_len, len;
523    bool bret;
524    int num_tokens = tgsi_num_tokens(tokens);
525    int str_total_size = 65536;
526    int retry_size = 1;
527    uint32_t left_bytes, base_hdr_size, strm_hdr_size, thispass;
528    bool first_pass;
529    str = CALLOC(1, str_total_size);
530    if (!str)
531       return -1;
532 
533    do {
534       int old_size;
535 
536       bret = tgsi_dump_str(tokens, TGSI_DUMP_FLOAT_AS_HEX, str, str_total_size);
537       if (bret == false) {
538          if (virgl_debug & VIRGL_DEBUG_VERBOSE)
539             debug_printf("Failed to translate shader in available space - trying again\n");
540          old_size = str_total_size;
541          str_total_size = 65536 * retry_size;
542          retry_size *= 2;
543          str = REALLOC(str, old_size, str_total_size);
544          if (!str)
545             return -1;
546       }
547    } while (bret == false && retry_size < 1024);
548 
549    if (bret == false)
550       return -1;
551 
552    if (virgl_debug & VIRGL_DEBUG_TGSI)
553       debug_printf("TGSI:\n---8<---\n%s\n---8<---\n", str);
554 
555    shader_len = strlen(str) + 1;
556 
557    left_bytes = shader_len;
558 
559    base_hdr_size = 5;
560    strm_hdr_size = so_info->num_outputs ? so_info->num_outputs * 2 + 4 : 0;
561    first_pass = true;
562    sptr = str;
563    while (left_bytes) {
564       uint32_t length, offlen;
565       int hdr_len = base_hdr_size + (first_pass ? strm_hdr_size : 0);
566       if (ctx->cbuf->cdw + hdr_len + 1 >= VIRGL_ENCODE_MAX_DWORDS)
567          ctx->base.flush(&ctx->base, NULL, 0);
568 
569       thispass = (VIRGL_ENCODE_MAX_DWORDS - ctx->cbuf->cdw - hdr_len - 1) * 4;
570 
571       length = MIN2(thispass, left_bytes);
572       len = ((length + 3) / 4) + hdr_len;
573 
574       if (first_pass)
575          offlen = VIRGL_OBJ_SHADER_OFFSET_VAL(shader_len);
576       else
577          offlen = VIRGL_OBJ_SHADER_OFFSET_VAL((uintptr_t)sptr - (uintptr_t)str) | VIRGL_OBJ_SHADER_OFFSET_CONT;
578 
579       virgl_emit_shader_header(ctx, handle, len, type, offlen, num_tokens);
580 
581       if (type == PIPE_SHADER_COMPUTE)
582          virgl_encoder_write_dword(ctx->cbuf, cs_req_local_mem);
583       else
584          virgl_emit_shader_streamout(ctx, first_pass ? so_info : NULL);
585 
586       virgl_encoder_write_block(ctx->cbuf, (uint8_t *)sptr, length);
587 
588       sptr += length;
589       first_pass = false;
590       left_bytes -= length;
591    }
592 
593    FREE(str);
594    return 0;
595 }
596 
597 
virgl_encode_clear(struct virgl_context * ctx,unsigned buffers,const union pipe_color_union * color,double depth,unsigned stencil)598 int virgl_encode_clear(struct virgl_context *ctx,
599                       unsigned buffers,
600                       const union pipe_color_union *color,
601                       double depth, unsigned stencil)
602 {
603    int i;
604    uint64_t qword;
605 
606    STATIC_ASSERT(sizeof(qword) == sizeof(depth));
607    memcpy(&qword, &depth, sizeof(qword));
608 
609    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CLEAR, 0, VIRGL_OBJ_CLEAR_SIZE));
610    virgl_encoder_write_dword(ctx->cbuf, buffers);
611    for (i = 0; i < 4; i++)
612       virgl_encoder_write_dword(ctx->cbuf, color->ui[i]);
613    virgl_encoder_write_qword(ctx->cbuf, qword);
614    virgl_encoder_write_dword(ctx->cbuf, stencil);
615    return 0;
616 }
617 
virgl_encode_clear_texture(struct virgl_context * ctx,struct virgl_resource * res,unsigned int level,const struct pipe_box * box,const void * data)618 int virgl_encode_clear_texture(struct virgl_context *ctx,
619                                struct virgl_resource *res,
620                                unsigned int level,
621                                const struct pipe_box *box,
622                                const void *data)
623 {
624    const struct util_format_description *desc = util_format_description(res->b.format);
625    unsigned block_bits = desc->block.bits;
626    uint32_t arr[4] = {0};
627    /* The spec describe <data> as a pointer to an array of between one
628     * and four components of texel data that will be used as the source
629     * for the constant fill value.
630     * Here, we are just copying the memory into <arr>. We do not try to
631     * re-create the data array. The host part will take care of interpreting
632     * the memory and applying the correct format to the clear call.
633     */
634    memcpy(&arr, data, block_bits / 8);
635 
636    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CLEAR_TEXTURE, 0, VIRGL_CLEAR_TEXTURE_SIZE));
637    virgl_encoder_write_res(ctx, res);
638    virgl_encoder_write_dword(ctx->cbuf, level);
639    virgl_encoder_write_dword(ctx->cbuf, box->x);
640    virgl_encoder_write_dword(ctx->cbuf, box->y);
641    virgl_encoder_write_dword(ctx->cbuf, box->z);
642    virgl_encoder_write_dword(ctx->cbuf, box->width);
643    virgl_encoder_write_dword(ctx->cbuf, box->height);
644    virgl_encoder_write_dword(ctx->cbuf, box->depth);
645    for (unsigned i = 0; i < 4; i++)
646       virgl_encoder_write_dword(ctx->cbuf, arr[i]);
647    return 0;
648 }
649 
virgl_encoder_set_framebuffer_state(struct virgl_context * ctx,const struct pipe_framebuffer_state * state)650 int virgl_encoder_set_framebuffer_state(struct virgl_context *ctx,
651                                        const struct pipe_framebuffer_state *state)
652 {
653    struct virgl_surface *zsurf = virgl_surface(state->zsbuf);
654    int i;
655 
656    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_FRAMEBUFFER_STATE, 0, VIRGL_SET_FRAMEBUFFER_STATE_SIZE(state->nr_cbufs)));
657    virgl_encoder_write_dword(ctx->cbuf, state->nr_cbufs);
658    virgl_encoder_write_dword(ctx->cbuf, zsurf ? zsurf->handle : 0);
659    for (i = 0; i < state->nr_cbufs; i++) {
660       struct virgl_surface *surf = virgl_surface(state->cbufs[i]);
661       virgl_encoder_write_dword(ctx->cbuf, surf ? surf->handle : 0);
662    }
663 
664    struct virgl_screen *rs = virgl_screen(ctx->base.screen);
665    if (rs->caps.caps.v2.capability_bits & VIRGL_CAP_FB_NO_ATTACH) {
666       virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_FRAMEBUFFER_STATE_NO_ATTACH, 0, VIRGL_SET_FRAMEBUFFER_STATE_NO_ATTACH_SIZE));
667       virgl_encoder_write_dword(ctx->cbuf, state->width | (state->height << 16));
668       virgl_encoder_write_dword(ctx->cbuf, state->layers | (state->samples << 16));
669    }
670    return 0;
671 }
672 
virgl_encoder_set_viewport_states(struct virgl_context * ctx,int start_slot,int num_viewports,const struct pipe_viewport_state * states)673 int virgl_encoder_set_viewport_states(struct virgl_context *ctx,
674                                       int start_slot,
675                                       int num_viewports,
676                                       const struct pipe_viewport_state *states)
677 {
678    int i,v;
679    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_VIEWPORT_STATE, 0, VIRGL_SET_VIEWPORT_STATE_SIZE(num_viewports)));
680    virgl_encoder_write_dword(ctx->cbuf, start_slot);
681    for (v = 0; v < num_viewports; v++) {
682       for (i = 0; i < 3; i++)
683          virgl_encoder_write_dword(ctx->cbuf, fui(states[v].scale[i]));
684       for (i = 0; i < 3; i++)
685          virgl_encoder_write_dword(ctx->cbuf, fui(states[v].translate[i]));
686    }
687    return 0;
688 }
689 
virgl_encoder_create_vertex_elements(struct virgl_context * ctx,uint32_t handle,unsigned num_elements,const struct pipe_vertex_element * element)690 int virgl_encoder_create_vertex_elements(struct virgl_context *ctx,
691                                         uint32_t handle,
692                                         unsigned num_elements,
693                                         const struct pipe_vertex_element *element)
694 {
695    int i;
696    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CREATE_OBJECT, VIRGL_OBJECT_VERTEX_ELEMENTS, VIRGL_OBJ_VERTEX_ELEMENTS_SIZE(num_elements)));
697    virgl_encoder_write_dword(ctx->cbuf, handle);
698    for (i = 0; i < num_elements; i++) {
699       virgl_encoder_write_dword(ctx->cbuf, element[i].src_offset);
700       virgl_encoder_write_dword(ctx->cbuf, element[i].instance_divisor);
701       virgl_encoder_write_dword(ctx->cbuf, element[i].vertex_buffer_index);
702       virgl_encoder_write_dword(ctx->cbuf, pipe_to_virgl_format(element[i].src_format));
703    }
704    return 0;
705 }
706 
virgl_encoder_set_vertex_buffers(struct virgl_context * ctx,unsigned num_buffers,const struct pipe_vertex_buffer * buffers)707 int virgl_encoder_set_vertex_buffers(struct virgl_context *ctx,
708                                     unsigned num_buffers,
709                                     const struct pipe_vertex_buffer *buffers)
710 {
711    int i;
712    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_VERTEX_BUFFERS, 0, VIRGL_SET_VERTEX_BUFFERS_SIZE(num_buffers)));
713    for (i = 0; i < num_buffers; i++) {
714       struct virgl_resource *res = virgl_resource(buffers[i].buffer.resource);
715       virgl_encoder_write_dword(ctx->cbuf, buffers[i].stride);
716       virgl_encoder_write_dword(ctx->cbuf, buffers[i].buffer_offset);
717       virgl_encoder_write_res(ctx, res);
718    }
719    return 0;
720 }
721 
virgl_encoder_set_index_buffer(struct virgl_context * ctx,const struct virgl_indexbuf * ib)722 int virgl_encoder_set_index_buffer(struct virgl_context *ctx,
723                                   const struct virgl_indexbuf *ib)
724 {
725    int length = VIRGL_SET_INDEX_BUFFER_SIZE(ib);
726    struct virgl_resource *res = NULL;
727    if (ib)
728       res = virgl_resource(ib->buffer);
729 
730    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_INDEX_BUFFER, 0, length));
731    virgl_encoder_write_res(ctx, res);
732    if (ib) {
733       virgl_encoder_write_dword(ctx->cbuf, ib->index_size);
734       virgl_encoder_write_dword(ctx->cbuf, ib->offset);
735    }
736    return 0;
737 }
738 
virgl_encoder_draw_vbo(struct virgl_context * ctx,const struct pipe_draw_info * info,unsigned drawid_offset,const struct pipe_draw_indirect_info * indirect,const struct pipe_draw_start_count_bias * draw)739 int virgl_encoder_draw_vbo(struct virgl_context *ctx,
740                            const struct pipe_draw_info *info,
741                            unsigned drawid_offset,
742                            const struct pipe_draw_indirect_info *indirect,
743                            const struct pipe_draw_start_count_bias *draw)
744 {
745    uint32_t length = VIRGL_DRAW_VBO_SIZE;
746    if (info->mode == PIPE_PRIM_PATCHES)
747       length = VIRGL_DRAW_VBO_SIZE_TESS;
748    if (indirect && indirect->buffer)
749       length = VIRGL_DRAW_VBO_SIZE_INDIRECT;
750    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_DRAW_VBO, 0, length));
751    virgl_encoder_write_dword(ctx->cbuf, draw->start);
752    virgl_encoder_write_dword(ctx->cbuf, draw->count);
753    virgl_encoder_write_dword(ctx->cbuf, info->mode);
754    virgl_encoder_write_dword(ctx->cbuf, !!info->index_size);
755    virgl_encoder_write_dword(ctx->cbuf, info->instance_count);
756    virgl_encoder_write_dword(ctx->cbuf, info->index_size ? draw->index_bias : 0);
757    virgl_encoder_write_dword(ctx->cbuf, info->start_instance);
758    virgl_encoder_write_dword(ctx->cbuf, info->primitive_restart);
759    virgl_encoder_write_dword(ctx->cbuf, info->primitive_restart ? info->restart_index : 0);
760    virgl_encoder_write_dword(ctx->cbuf, info->index_bounds_valid ? info->min_index : 0);
761    virgl_encoder_write_dword(ctx->cbuf, info->index_bounds_valid ? info->max_index : ~0);
762    if (indirect && indirect->count_from_stream_output)
763       virgl_encoder_write_dword(ctx->cbuf, indirect->count_from_stream_output->buffer_size);
764    else
765       virgl_encoder_write_dword(ctx->cbuf, 0);
766    if (length >= VIRGL_DRAW_VBO_SIZE_TESS) {
767       virgl_encoder_write_dword(ctx->cbuf, ctx->patch_vertices); /* vertices per patch */
768       virgl_encoder_write_dword(ctx->cbuf, drawid_offset); /* drawid */
769    }
770    if (length == VIRGL_DRAW_VBO_SIZE_INDIRECT) {
771       virgl_encoder_write_res(ctx, virgl_resource(indirect->buffer));
772       virgl_encoder_write_dword(ctx->cbuf, indirect->offset);
773       virgl_encoder_write_dword(ctx->cbuf, indirect->stride); /* indirect stride */
774       virgl_encoder_write_dword(ctx->cbuf, indirect->draw_count); /* indirect draw count */
775       virgl_encoder_write_dword(ctx->cbuf, indirect->indirect_draw_count_offset); /* indirect draw count offset */
776       if (indirect->indirect_draw_count)
777          virgl_encoder_write_res(ctx, virgl_resource(indirect->indirect_draw_count));
778       else
779          virgl_encoder_write_dword(ctx->cbuf, 0); /* indirect draw count handle */
780    }
781    return 0;
782 }
783 
virgl_encoder_create_surface_common(struct virgl_context * ctx,uint32_t handle,struct virgl_resource * res,const struct pipe_surface * templat)784 static int virgl_encoder_create_surface_common(struct virgl_context *ctx,
785                                                uint32_t handle,
786                                                struct virgl_resource *res,
787                                                const struct pipe_surface *templat)
788 {
789    virgl_encoder_write_dword(ctx->cbuf, handle);
790    virgl_encoder_write_res(ctx, res);
791    virgl_encoder_write_dword(ctx->cbuf, pipe_to_virgl_format(templat->format));
792 
793    assert(templat->texture->target != PIPE_BUFFER);
794    virgl_encoder_write_dword(ctx->cbuf, templat->u.tex.level);
795    virgl_encoder_write_dword(ctx->cbuf, templat->u.tex.first_layer | (templat->u.tex.last_layer << 16));
796 
797    return 0;
798 }
799 
virgl_encoder_create_surface(struct virgl_context * ctx,uint32_t handle,struct virgl_resource * res,const struct pipe_surface * templat)800 int virgl_encoder_create_surface(struct virgl_context *ctx,
801                                  uint32_t handle,
802                                  struct virgl_resource *res,
803                                  const struct pipe_surface *templat)
804 {
805    if (templat->nr_samples > 0) {
806       ASSERTED struct virgl_screen *rs = virgl_screen(ctx->base.screen);
807       assert(rs->caps.caps.v2.capability_bits_v2 & VIRGL_CAP_V2_IMPLICIT_MSAA);
808 
809       virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CREATE_OBJECT, VIRGL_OBJECT_MSAA_SURFACE, VIRGL_OBJ_MSAA_SURFACE_SIZE));
810       virgl_encoder_create_surface_common(ctx, handle, res, templat);
811       virgl_encoder_write_dword(ctx->cbuf, templat->nr_samples);
812    } else {
813       virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CREATE_OBJECT, VIRGL_OBJECT_SURFACE, VIRGL_OBJ_SURFACE_SIZE));
814       virgl_encoder_create_surface_common(ctx, handle, res, templat);
815    }
816 
817    return 0;
818 }
819 
virgl_encoder_create_so_target(struct virgl_context * ctx,uint32_t handle,struct virgl_resource * res,unsigned buffer_offset,unsigned buffer_size)820 int virgl_encoder_create_so_target(struct virgl_context *ctx,
821                                   uint32_t handle,
822                                   struct virgl_resource *res,
823                                   unsigned buffer_offset,
824                                   unsigned buffer_size)
825 {
826    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CREATE_OBJECT, VIRGL_OBJECT_STREAMOUT_TARGET, VIRGL_OBJ_STREAMOUT_SIZE));
827    virgl_encoder_write_dword(ctx->cbuf, handle);
828    virgl_encoder_write_res(ctx, res);
829    virgl_encoder_write_dword(ctx->cbuf, buffer_offset);
830    virgl_encoder_write_dword(ctx->cbuf, buffer_size);
831    return 0;
832 }
833 
834 enum virgl_transfer3d_encode_stride {
835    /* The stride and layer_stride are explicitly specified in the command. */
836    virgl_transfer3d_explicit_stride,
837    /* The stride and layer_stride are inferred by the host. In this case, the
838     * host will use the image stride and layer_stride for the specified level.
839     */
840    virgl_transfer3d_host_inferred_stride,
841 };
842 
virgl_encoder_transfer3d_common(struct virgl_screen * vs,struct virgl_cmd_buf * buf,struct virgl_transfer * xfer,enum virgl_transfer3d_encode_stride encode_stride)843 static void virgl_encoder_transfer3d_common(struct virgl_screen *vs,
844                                             struct virgl_cmd_buf *buf,
845                                             struct virgl_transfer *xfer,
846                                             enum virgl_transfer3d_encode_stride encode_stride)
847 
848 {
849    struct pipe_transfer *transfer = &xfer->base;
850    unsigned stride;
851    unsigned layer_stride;
852 
853    if (encode_stride == virgl_transfer3d_explicit_stride) {
854       stride = transfer->stride;
855       layer_stride = transfer->layer_stride;
856    } else if (encode_stride == virgl_transfer3d_host_inferred_stride) {
857       stride = 0;
858       layer_stride = 0;
859    } else {
860       assert(!"Invalid virgl_transfer3d_encode_stride value");
861    }
862 
863    /* We cannot use virgl_encoder_emit_resource with transfer->resource here
864     * because transfer->resource might have a different virgl_hw_res than what
865     * this transfer targets, which is saved in xfer->hw_res.
866     */
867    vs->vws->emit_res(vs->vws, buf, xfer->hw_res, TRUE);
868    virgl_encoder_write_dword(buf, transfer->level);
869    virgl_encoder_write_dword(buf, transfer->usage);
870    virgl_encoder_write_dword(buf, stride);
871    virgl_encoder_write_dword(buf, layer_stride);
872    virgl_encoder_write_dword(buf, transfer->box.x);
873    virgl_encoder_write_dword(buf, transfer->box.y);
874    virgl_encoder_write_dword(buf, transfer->box.z);
875    virgl_encoder_write_dword(buf, transfer->box.width);
876    virgl_encoder_write_dword(buf, transfer->box.height);
877    virgl_encoder_write_dword(buf, transfer->box.depth);
878 }
879 
virgl_encoder_inline_write(struct virgl_context * ctx,struct virgl_resource * res,unsigned level,unsigned usage,const struct pipe_box * box,const void * data,unsigned stride,unsigned layer_stride)880 int virgl_encoder_inline_write(struct virgl_context *ctx,
881                               struct virgl_resource *res,
882                               unsigned level, unsigned usage,
883                               const struct pipe_box *box,
884                               const void *data, unsigned stride,
885                               unsigned layer_stride)
886 {
887    uint32_t size = (stride ? stride : box->width) * box->height;
888    uint32_t length, thispass, left_bytes;
889    struct virgl_transfer transfer;
890    struct virgl_screen *vs = virgl_screen(ctx->base.screen);
891 
892    transfer.base.resource = &res->b;
893    transfer.hw_res = res->hw_res;
894    transfer.base.level = level;
895    transfer.base.usage = usage;
896    transfer.base.box = *box;
897 
898    length = 11 + (size + 3) / 4;
899    if ((ctx->cbuf->cdw + length + 1) > VIRGL_ENCODE_MAX_DWORDS) {
900       if (box->height > 1 || box->depth > 1) {
901          debug_printf("inline transfer failed due to multi dimensions and too large\n");
902          assert(0);
903       }
904    }
905 
906    left_bytes = size;
907    while (left_bytes) {
908       if (ctx->cbuf->cdw + 12 >= VIRGL_ENCODE_MAX_DWORDS)
909          ctx->base.flush(&ctx->base, NULL, 0);
910 
911       thispass = (VIRGL_ENCODE_MAX_DWORDS - ctx->cbuf->cdw - 12) * 4;
912 
913       length = MIN2(thispass, left_bytes);
914 
915       transfer.base.box.width = length;
916       virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_RESOURCE_INLINE_WRITE, 0, ((length + 3) / 4) + 11));
917       virgl_encoder_transfer3d_common(vs, ctx->cbuf, &transfer,
918                                       virgl_transfer3d_host_inferred_stride);
919       virgl_encoder_write_block(ctx->cbuf, data, length);
920       left_bytes -= length;
921       transfer.base.box.x += length;
922       data += length;
923    }
924    return 0;
925 }
926 
virgl_encoder_flush_frontbuffer(struct virgl_context * ctx,struct virgl_resource * res)927 int virgl_encoder_flush_frontbuffer(struct virgl_context *ctx,
928                                    struct virgl_resource *res)
929 {
930 //   virgl_encoder_write_dword(ctx->cbuf, VIRGL_CMD0(VIRGL_CCMD_FLUSH_FRONTUBFFER, 0, 1));
931 //   virgl_encoder_write_dword(ctx->cbuf, res_handle);
932    return 0;
933 }
934 
virgl_encode_sampler_state(struct virgl_context * ctx,uint32_t handle,const struct pipe_sampler_state * state)935 int virgl_encode_sampler_state(struct virgl_context *ctx,
936                               uint32_t handle,
937                               const struct pipe_sampler_state *state)
938 {
939    uint32_t tmp;
940    int i;
941    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CREATE_OBJECT, VIRGL_OBJECT_SAMPLER_STATE, VIRGL_OBJ_SAMPLER_STATE_SIZE));
942    virgl_encoder_write_dword(ctx->cbuf, handle);
943 
944    tmp = VIRGL_OBJ_SAMPLE_STATE_S0_WRAP_S(state->wrap_s) |
945       VIRGL_OBJ_SAMPLE_STATE_S0_WRAP_T(state->wrap_t) |
946       VIRGL_OBJ_SAMPLE_STATE_S0_WRAP_R(state->wrap_r) |
947       VIRGL_OBJ_SAMPLE_STATE_S0_MIN_IMG_FILTER(state->min_img_filter) |
948       VIRGL_OBJ_SAMPLE_STATE_S0_MIN_MIP_FILTER(state->min_mip_filter) |
949       VIRGL_OBJ_SAMPLE_STATE_S0_MAG_IMG_FILTER(state->mag_img_filter) |
950       VIRGL_OBJ_SAMPLE_STATE_S0_COMPARE_MODE(state->compare_mode) |
951       VIRGL_OBJ_SAMPLE_STATE_S0_COMPARE_FUNC(state->compare_func) |
952       VIRGL_OBJ_SAMPLE_STATE_S0_SEAMLESS_CUBE_MAP(state->seamless_cube_map) |
953       VIRGL_OBJ_SAMPLE_STATE_S0_MAX_ANISOTROPY((int)(state->max_anisotropy));
954 
955    virgl_encoder_write_dword(ctx->cbuf, tmp);
956    virgl_encoder_write_dword(ctx->cbuf, fui(state->lod_bias));
957    virgl_encoder_write_dword(ctx->cbuf, fui(state->min_lod));
958    virgl_encoder_write_dword(ctx->cbuf, fui(state->max_lod));
959    for (i = 0; i <  4; i++)
960       virgl_encoder_write_dword(ctx->cbuf, state->border_color.ui[i]);
961    return 0;
962 }
963 
964 
virgl_encode_sampler_view(struct virgl_context * ctx,uint32_t handle,struct virgl_resource * res,const struct pipe_sampler_view * state)965 int virgl_encode_sampler_view(struct virgl_context *ctx,
966                              uint32_t handle,
967                              struct virgl_resource *res,
968                              const struct pipe_sampler_view *state)
969 {
970    unsigned elem_size = util_format_get_blocksize(state->format);
971    struct virgl_screen *rs = virgl_screen(ctx->base.screen);
972    uint32_t tmp;
973    uint32_t dword_fmt_target = pipe_to_virgl_format(state->format);
974    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CREATE_OBJECT, VIRGL_OBJECT_SAMPLER_VIEW, VIRGL_OBJ_SAMPLER_VIEW_SIZE));
975    virgl_encoder_write_dword(ctx->cbuf, handle);
976    virgl_encoder_write_res(ctx, res);
977    if (rs->caps.caps.v2.capability_bits & VIRGL_CAP_TEXTURE_VIEW)
978      dword_fmt_target |= (state->target << 24);
979    virgl_encoder_write_dword(ctx->cbuf, dword_fmt_target);
980    if (res->b.target == PIPE_BUFFER) {
981       virgl_encoder_write_dword(ctx->cbuf, state->u.buf.offset / elem_size);
982       virgl_encoder_write_dword(ctx->cbuf, (state->u.buf.offset + state->u.buf.size) / elem_size - 1);
983    } else {
984       if (res->metadata.plane) {
985          debug_assert(state->u.tex.first_layer == 0 && state->u.tex.last_layer == 0);
986          virgl_encoder_write_dword(ctx->cbuf, res->metadata.plane);
987       } else {
988          virgl_encoder_write_dword(ctx->cbuf, state->u.tex.first_layer | state->u.tex.last_layer << 16);
989       }
990       virgl_encoder_write_dword(ctx->cbuf, state->u.tex.first_level | state->u.tex.last_level << 8);
991    }
992    tmp = VIRGL_OBJ_SAMPLER_VIEW_SWIZZLE_R(state->swizzle_r) |
993       VIRGL_OBJ_SAMPLER_VIEW_SWIZZLE_G(state->swizzle_g) |
994       VIRGL_OBJ_SAMPLER_VIEW_SWIZZLE_B(state->swizzle_b) |
995       VIRGL_OBJ_SAMPLER_VIEW_SWIZZLE_A(state->swizzle_a);
996    virgl_encoder_write_dword(ctx->cbuf, tmp);
997    return 0;
998 }
999 
virgl_encode_set_sampler_views(struct virgl_context * ctx,uint32_t shader_type,uint32_t start_slot,uint32_t num_views,struct virgl_sampler_view ** views)1000 int virgl_encode_set_sampler_views(struct virgl_context *ctx,
1001                                   uint32_t shader_type,
1002                                   uint32_t start_slot,
1003                                   uint32_t num_views,
1004                                   struct virgl_sampler_view **views)
1005 {
1006    int i;
1007    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_SAMPLER_VIEWS, 0, VIRGL_SET_SAMPLER_VIEWS_SIZE(num_views)));
1008    virgl_encoder_write_dword(ctx->cbuf, shader_type);
1009    virgl_encoder_write_dword(ctx->cbuf, start_slot);
1010    for (i = 0; i < num_views; i++) {
1011       uint32_t handle = views[i] ? views[i]->handle : 0;
1012       virgl_encoder_write_dword(ctx->cbuf, handle);
1013    }
1014    return 0;
1015 }
1016 
virgl_encode_bind_sampler_states(struct virgl_context * ctx,uint32_t shader_type,uint32_t start_slot,uint32_t num_handles,uint32_t * handles)1017 int virgl_encode_bind_sampler_states(struct virgl_context *ctx,
1018                                     uint32_t shader_type,
1019                                     uint32_t start_slot,
1020                                     uint32_t num_handles,
1021                                     uint32_t *handles)
1022 {
1023    int i;
1024    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_BIND_SAMPLER_STATES, 0, VIRGL_BIND_SAMPLER_STATES(num_handles)));
1025    virgl_encoder_write_dword(ctx->cbuf, shader_type);
1026    virgl_encoder_write_dword(ctx->cbuf, start_slot);
1027    for (i = 0; i < num_handles; i++)
1028       virgl_encoder_write_dword(ctx->cbuf, handles[i]);
1029    return 0;
1030 }
1031 
virgl_encoder_write_constant_buffer(struct virgl_context * ctx,uint32_t shader,uint32_t index,uint32_t size,const void * data)1032 int virgl_encoder_write_constant_buffer(struct virgl_context *ctx,
1033                                        uint32_t shader,
1034                                        uint32_t index,
1035                                        uint32_t size,
1036                                        const void *data)
1037 {
1038    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_CONSTANT_BUFFER, 0, size + 2));
1039    virgl_encoder_write_dword(ctx->cbuf, shader);
1040    virgl_encoder_write_dword(ctx->cbuf, index);
1041    if (data)
1042       virgl_encoder_write_block(ctx->cbuf, data, size * 4);
1043    return 0;
1044 }
1045 
virgl_encoder_set_uniform_buffer(struct virgl_context * ctx,uint32_t shader,uint32_t index,uint32_t offset,uint32_t length,struct virgl_resource * res)1046 int virgl_encoder_set_uniform_buffer(struct virgl_context *ctx,
1047                                      uint32_t shader,
1048                                      uint32_t index,
1049                                      uint32_t offset,
1050                                      uint32_t length,
1051                                      struct virgl_resource *res)
1052 {
1053    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_UNIFORM_BUFFER, 0, VIRGL_SET_UNIFORM_BUFFER_SIZE));
1054    virgl_encoder_write_dword(ctx->cbuf, shader);
1055    virgl_encoder_write_dword(ctx->cbuf, index);
1056    virgl_encoder_write_dword(ctx->cbuf, offset);
1057    virgl_encoder_write_dword(ctx->cbuf, length);
1058    virgl_encoder_write_res(ctx, res);
1059    return 0;
1060 }
1061 
1062 
virgl_encoder_set_stencil_ref(struct virgl_context * ctx,const struct pipe_stencil_ref * ref)1063 int virgl_encoder_set_stencil_ref(struct virgl_context *ctx,
1064                                  const struct pipe_stencil_ref *ref)
1065 {
1066    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_STENCIL_REF, 0, VIRGL_SET_STENCIL_REF_SIZE));
1067    virgl_encoder_write_dword(ctx->cbuf, VIRGL_STENCIL_REF_VAL(ref->ref_value[0] , (ref->ref_value[1])));
1068    return 0;
1069 }
1070 
virgl_encoder_set_blend_color(struct virgl_context * ctx,const struct pipe_blend_color * color)1071 int virgl_encoder_set_blend_color(struct virgl_context *ctx,
1072                                  const struct pipe_blend_color *color)
1073 {
1074    int i;
1075    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_BLEND_COLOR, 0, VIRGL_SET_BLEND_COLOR_SIZE));
1076    for (i = 0; i < 4; i++)
1077       virgl_encoder_write_dword(ctx->cbuf, fui(color->color[i]));
1078    return 0;
1079 }
1080 
virgl_encoder_set_scissor_state(struct virgl_context * ctx,unsigned start_slot,int num_scissors,const struct pipe_scissor_state * ss)1081 int virgl_encoder_set_scissor_state(struct virgl_context *ctx,
1082                                     unsigned start_slot,
1083                                     int num_scissors,
1084                                     const struct pipe_scissor_state *ss)
1085 {
1086    int i;
1087    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_SCISSOR_STATE, 0, VIRGL_SET_SCISSOR_STATE_SIZE(num_scissors)));
1088    virgl_encoder_write_dword(ctx->cbuf, start_slot);
1089    for (i = 0; i < num_scissors; i++) {
1090       virgl_encoder_write_dword(ctx->cbuf, (ss[i].minx | ss[i].miny << 16));
1091       virgl_encoder_write_dword(ctx->cbuf, (ss[i].maxx | ss[i].maxy << 16));
1092    }
1093    return 0;
1094 }
1095 
virgl_encoder_set_polygon_stipple(struct virgl_context * ctx,const struct pipe_poly_stipple * ps)1096 void virgl_encoder_set_polygon_stipple(struct virgl_context *ctx,
1097                                       const struct pipe_poly_stipple *ps)
1098 {
1099    int i;
1100    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_POLYGON_STIPPLE, 0, VIRGL_POLYGON_STIPPLE_SIZE));
1101    for (i = 0; i < VIRGL_POLYGON_STIPPLE_SIZE; i++) {
1102       virgl_encoder_write_dword(ctx->cbuf, ps->stipple[i]);
1103    }
1104 }
1105 
virgl_encoder_set_sample_mask(struct virgl_context * ctx,unsigned sample_mask)1106 void virgl_encoder_set_sample_mask(struct virgl_context *ctx,
1107                                   unsigned sample_mask)
1108 {
1109    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_SAMPLE_MASK, 0, VIRGL_SET_SAMPLE_MASK_SIZE));
1110    virgl_encoder_write_dword(ctx->cbuf, sample_mask);
1111 }
1112 
virgl_encoder_set_min_samples(struct virgl_context * ctx,unsigned min_samples)1113 void virgl_encoder_set_min_samples(struct virgl_context *ctx,
1114                                   unsigned min_samples)
1115 {
1116    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_MIN_SAMPLES, 0, VIRGL_SET_MIN_SAMPLES_SIZE));
1117    virgl_encoder_write_dword(ctx->cbuf, min_samples);
1118 }
1119 
virgl_encoder_set_clip_state(struct virgl_context * ctx,const struct pipe_clip_state * clip)1120 void virgl_encoder_set_clip_state(struct virgl_context *ctx,
1121                                  const struct pipe_clip_state *clip)
1122 {
1123    int i, j;
1124    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_CLIP_STATE, 0, VIRGL_SET_CLIP_STATE_SIZE));
1125    for (i = 0; i < VIRGL_MAX_CLIP_PLANES; i++) {
1126       for (j = 0; j < 4; j++) {
1127          virgl_encoder_write_dword(ctx->cbuf, fui(clip->ucp[i][j]));
1128       }
1129    }
1130 }
1131 
virgl_encode_resource_copy_region(struct virgl_context * ctx,struct virgl_resource * dst_res,unsigned dst_level,unsigned dstx,unsigned dsty,unsigned dstz,struct virgl_resource * src_res,unsigned src_level,const struct pipe_box * src_box)1132 int virgl_encode_resource_copy_region(struct virgl_context *ctx,
1133                                      struct virgl_resource *dst_res,
1134                                      unsigned dst_level,
1135                                      unsigned dstx, unsigned dsty, unsigned dstz,
1136                                      struct virgl_resource *src_res,
1137                                      unsigned src_level,
1138                                      const struct pipe_box *src_box)
1139 {
1140    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_RESOURCE_COPY_REGION, 0, VIRGL_CMD_RESOURCE_COPY_REGION_SIZE));
1141    virgl_encoder_write_res(ctx, dst_res);
1142    virgl_encoder_write_dword(ctx->cbuf, dst_level);
1143    virgl_encoder_write_dword(ctx->cbuf, dstx);
1144    virgl_encoder_write_dword(ctx->cbuf, dsty);
1145    virgl_encoder_write_dword(ctx->cbuf, dstz);
1146    virgl_encoder_write_res(ctx, src_res);
1147    virgl_encoder_write_dword(ctx->cbuf, src_level);
1148    virgl_encoder_write_dword(ctx->cbuf, src_box->x);
1149    virgl_encoder_write_dword(ctx->cbuf, src_box->y);
1150    virgl_encoder_write_dword(ctx->cbuf, src_box->z);
1151    virgl_encoder_write_dword(ctx->cbuf, src_box->width);
1152    virgl_encoder_write_dword(ctx->cbuf, src_box->height);
1153    virgl_encoder_write_dword(ctx->cbuf, src_box->depth);
1154    return 0;
1155 }
1156 
virgl_encode_blit(struct virgl_context * ctx,struct virgl_resource * dst_res,struct virgl_resource * src_res,const struct pipe_blit_info * blit)1157 int virgl_encode_blit(struct virgl_context *ctx,
1158                      struct virgl_resource *dst_res,
1159                      struct virgl_resource *src_res,
1160                      const struct pipe_blit_info *blit)
1161 {
1162    uint32_t tmp;
1163    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_BLIT, 0, VIRGL_CMD_BLIT_SIZE));
1164    tmp = VIRGL_CMD_BLIT_S0_MASK(blit->mask) |
1165       VIRGL_CMD_BLIT_S0_FILTER(blit->filter) |
1166       VIRGL_CMD_BLIT_S0_SCISSOR_ENABLE(blit->scissor_enable) |
1167       VIRGL_CMD_BLIT_S0_RENDER_CONDITION_ENABLE(blit->render_condition_enable) |
1168       VIRGL_CMD_BLIT_S0_ALPHA_BLEND(blit->alpha_blend);
1169    virgl_encoder_write_dword(ctx->cbuf, tmp);
1170    virgl_encoder_write_dword(ctx->cbuf, (blit->scissor.minx | blit->scissor.miny << 16));
1171    virgl_encoder_write_dword(ctx->cbuf, (blit->scissor.maxx | blit->scissor.maxy << 16));
1172 
1173    virgl_encoder_write_res(ctx, dst_res);
1174    virgl_encoder_write_dword(ctx->cbuf, blit->dst.level);
1175    virgl_encoder_write_dword(ctx->cbuf, pipe_to_virgl_format(blit->dst.format));
1176    virgl_encoder_write_dword(ctx->cbuf, blit->dst.box.x);
1177    virgl_encoder_write_dword(ctx->cbuf, blit->dst.box.y);
1178    virgl_encoder_write_dword(ctx->cbuf, blit->dst.box.z);
1179    virgl_encoder_write_dword(ctx->cbuf, blit->dst.box.width);
1180    virgl_encoder_write_dword(ctx->cbuf, blit->dst.box.height);
1181    virgl_encoder_write_dword(ctx->cbuf, blit->dst.box.depth);
1182 
1183    virgl_encoder_write_res(ctx, src_res);
1184    virgl_encoder_write_dword(ctx->cbuf, blit->src.level);
1185    virgl_encoder_write_dword(ctx->cbuf, pipe_to_virgl_format(blit->src.format));
1186    virgl_encoder_write_dword(ctx->cbuf, blit->src.box.x);
1187    virgl_encoder_write_dword(ctx->cbuf, blit->src.box.y);
1188    virgl_encoder_write_dword(ctx->cbuf, blit->src.box.z);
1189    virgl_encoder_write_dword(ctx->cbuf, blit->src.box.width);
1190    virgl_encoder_write_dword(ctx->cbuf, blit->src.box.height);
1191    virgl_encoder_write_dword(ctx->cbuf, blit->src.box.depth);
1192    return 0;
1193 }
1194 
virgl_encoder_create_query(struct virgl_context * ctx,uint32_t handle,uint query_type,uint query_index,struct virgl_resource * res,uint32_t offset)1195 int virgl_encoder_create_query(struct virgl_context *ctx,
1196                               uint32_t handle,
1197                               uint query_type,
1198                               uint query_index,
1199                               struct virgl_resource *res,
1200                               uint32_t offset)
1201 {
1202    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CREATE_OBJECT, VIRGL_OBJECT_QUERY, VIRGL_OBJ_QUERY_SIZE));
1203    virgl_encoder_write_dword(ctx->cbuf, handle);
1204    virgl_encoder_write_dword(ctx->cbuf, ((query_type & 0xffff) | (query_index << 16)));
1205    virgl_encoder_write_dword(ctx->cbuf, offset);
1206    virgl_encoder_write_res(ctx, res);
1207    return 0;
1208 }
1209 
virgl_encoder_begin_query(struct virgl_context * ctx,uint32_t handle)1210 int virgl_encoder_begin_query(struct virgl_context *ctx,
1211                              uint32_t handle)
1212 {
1213    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_BEGIN_QUERY, 0, 1));
1214    virgl_encoder_write_dword(ctx->cbuf, handle);
1215    return 0;
1216 }
1217 
virgl_encoder_end_query(struct virgl_context * ctx,uint32_t handle)1218 int virgl_encoder_end_query(struct virgl_context *ctx,
1219                            uint32_t handle)
1220 {
1221    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_END_QUERY, 0, 1));
1222    virgl_encoder_write_dword(ctx->cbuf, handle);
1223    return 0;
1224 }
1225 
virgl_encoder_get_query_result(struct virgl_context * ctx,uint32_t handle,boolean wait)1226 int virgl_encoder_get_query_result(struct virgl_context *ctx,
1227                                   uint32_t handle, boolean wait)
1228 {
1229    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_GET_QUERY_RESULT, 0, 2));
1230    virgl_encoder_write_dword(ctx->cbuf, handle);
1231    virgl_encoder_write_dword(ctx->cbuf, wait ? 1 : 0);
1232    return 0;
1233 }
1234 
virgl_encoder_render_condition(struct virgl_context * ctx,uint32_t handle,boolean condition,enum pipe_render_cond_flag mode)1235 int virgl_encoder_render_condition(struct virgl_context *ctx,
1236                                   uint32_t handle, boolean condition,
1237                                   enum pipe_render_cond_flag mode)
1238 {
1239    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_RENDER_CONDITION, 0, VIRGL_RENDER_CONDITION_SIZE));
1240    virgl_encoder_write_dword(ctx->cbuf, handle);
1241    virgl_encoder_write_dword(ctx->cbuf, condition);
1242    virgl_encoder_write_dword(ctx->cbuf, mode);
1243    return 0;
1244 }
1245 
virgl_encoder_set_so_targets(struct virgl_context * ctx,unsigned num_targets,struct pipe_stream_output_target ** targets,unsigned append_bitmask)1246 int virgl_encoder_set_so_targets(struct virgl_context *ctx,
1247                                 unsigned num_targets,
1248                                 struct pipe_stream_output_target **targets,
1249                                 unsigned append_bitmask)
1250 {
1251    int i;
1252 
1253    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_STREAMOUT_TARGETS, 0, num_targets + 1));
1254    virgl_encoder_write_dword(ctx->cbuf, append_bitmask);
1255    for (i = 0; i < num_targets; i++) {
1256       struct virgl_so_target *tg = virgl_so_target(targets[i]);
1257       virgl_encoder_write_dword(ctx->cbuf, tg ? tg->handle : 0);
1258    }
1259    return 0;
1260 }
1261 
1262 
virgl_encoder_set_sub_ctx(struct virgl_context * ctx,uint32_t sub_ctx_id)1263 int virgl_encoder_set_sub_ctx(struct virgl_context *ctx, uint32_t sub_ctx_id)
1264 {
1265    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_SUB_CTX, 0, 1));
1266    virgl_encoder_write_dword(ctx->cbuf, sub_ctx_id);
1267    return 0;
1268 }
1269 
virgl_encoder_create_sub_ctx(struct virgl_context * ctx,uint32_t sub_ctx_id)1270 int virgl_encoder_create_sub_ctx(struct virgl_context *ctx, uint32_t sub_ctx_id)
1271 {
1272    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CREATE_SUB_CTX, 0, 1));
1273    virgl_encoder_write_dword(ctx->cbuf, sub_ctx_id);
1274    return 0;
1275 }
1276 
virgl_encoder_destroy_sub_ctx(struct virgl_context * ctx,uint32_t sub_ctx_id)1277 int virgl_encoder_destroy_sub_ctx(struct virgl_context *ctx, uint32_t sub_ctx_id)
1278 {
1279    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_DESTROY_SUB_CTX, 0, 1));
1280    virgl_encoder_write_dword(ctx->cbuf, sub_ctx_id);
1281    return 0;
1282 }
1283 
virgl_encode_bind_shader(struct virgl_context * ctx,uint32_t handle,uint32_t type)1284 int virgl_encode_bind_shader(struct virgl_context *ctx,
1285                              uint32_t handle, uint32_t type)
1286 {
1287    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_BIND_SHADER, 0, 2));
1288    virgl_encoder_write_dword(ctx->cbuf, handle);
1289    virgl_encoder_write_dword(ctx->cbuf, type);
1290    return 0;
1291 }
1292 
virgl_encode_set_tess_state(struct virgl_context * ctx,const float outer[4],const float inner[2])1293 int virgl_encode_set_tess_state(struct virgl_context *ctx,
1294                                 const float outer[4],
1295                                 const float inner[2])
1296 {
1297    int i;
1298    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_TESS_STATE, 0, 6));
1299    for (i = 0; i < 4; i++)
1300       virgl_encoder_write_dword(ctx->cbuf, fui(outer[i]));
1301    for (i = 0; i < 2; i++)
1302       virgl_encoder_write_dword(ctx->cbuf, fui(inner[i]));
1303    return 0;
1304 }
1305 
virgl_encode_set_shader_buffers(struct virgl_context * ctx,enum pipe_shader_type shader,unsigned start_slot,unsigned count,const struct pipe_shader_buffer * buffers)1306 int virgl_encode_set_shader_buffers(struct virgl_context *ctx,
1307                                     enum pipe_shader_type shader,
1308                                     unsigned start_slot, unsigned count,
1309                                     const struct pipe_shader_buffer *buffers)
1310 {
1311    int i;
1312    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_SHADER_BUFFERS, 0, VIRGL_SET_SHADER_BUFFER_SIZE(count)));
1313 
1314    virgl_encoder_write_dword(ctx->cbuf, shader);
1315    virgl_encoder_write_dword(ctx->cbuf, start_slot);
1316    for (i = 0; i < count; i++) {
1317       if (buffers && buffers[i].buffer) {
1318          struct virgl_resource *res = virgl_resource(buffers[i].buffer);
1319          virgl_encoder_write_dword(ctx->cbuf, buffers[i].buffer_offset);
1320          virgl_encoder_write_dword(ctx->cbuf, buffers[i].buffer_size);
1321          virgl_encoder_write_res(ctx, res);
1322 
1323          util_range_add(&res->b, &res->valid_buffer_range, buffers[i].buffer_offset,
1324                buffers[i].buffer_offset + buffers[i].buffer_size);
1325          virgl_resource_dirty(res, 0);
1326       } else {
1327          virgl_encoder_write_dword(ctx->cbuf, 0);
1328          virgl_encoder_write_dword(ctx->cbuf, 0);
1329          virgl_encoder_write_dword(ctx->cbuf, 0);
1330       }
1331    }
1332    return 0;
1333 }
1334 
virgl_encode_set_hw_atomic_buffers(struct virgl_context * ctx,unsigned start_slot,unsigned count,const struct pipe_shader_buffer * buffers)1335 int virgl_encode_set_hw_atomic_buffers(struct virgl_context *ctx,
1336                                        unsigned start_slot, unsigned count,
1337                                        const struct pipe_shader_buffer *buffers)
1338 {
1339    int i;
1340    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_ATOMIC_BUFFERS, 0, VIRGL_SET_ATOMIC_BUFFER_SIZE(count)));
1341 
1342    virgl_encoder_write_dword(ctx->cbuf, start_slot);
1343    for (i = 0; i < count; i++) {
1344       if (buffers && buffers[i].buffer) {
1345          struct virgl_resource *res = virgl_resource(buffers[i].buffer);
1346          virgl_encoder_write_dword(ctx->cbuf, buffers[i].buffer_offset);
1347          virgl_encoder_write_dword(ctx->cbuf, buffers[i].buffer_size);
1348          virgl_encoder_write_res(ctx, res);
1349 
1350          util_range_add(&res->b, &res->valid_buffer_range, buffers[i].buffer_offset,
1351                buffers[i].buffer_offset + buffers[i].buffer_size);
1352          virgl_resource_dirty(res, 0);
1353       } else {
1354          virgl_encoder_write_dword(ctx->cbuf, 0);
1355          virgl_encoder_write_dword(ctx->cbuf, 0);
1356          virgl_encoder_write_dword(ctx->cbuf, 0);
1357       }
1358    }
1359    return 0;
1360 }
1361 
virgl_encode_set_shader_images(struct virgl_context * ctx,enum pipe_shader_type shader,unsigned start_slot,unsigned count,const struct pipe_image_view * images)1362 int virgl_encode_set_shader_images(struct virgl_context *ctx,
1363                                    enum pipe_shader_type shader,
1364                                    unsigned start_slot, unsigned count,
1365                                    const struct pipe_image_view *images)
1366 {
1367    int i;
1368    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_SHADER_IMAGES, 0, VIRGL_SET_SHADER_IMAGE_SIZE(count)));
1369 
1370    virgl_encoder_write_dword(ctx->cbuf, shader);
1371    virgl_encoder_write_dword(ctx->cbuf, start_slot);
1372    for (i = 0; i < count; i++) {
1373       if (images && images[i].resource) {
1374          struct virgl_resource *res = virgl_resource(images[i].resource);
1375          virgl_encoder_write_dword(ctx->cbuf, pipe_to_virgl_format(images[i].format));
1376          virgl_encoder_write_dword(ctx->cbuf, images[i].access);
1377          virgl_encoder_write_dword(ctx->cbuf, images[i].u.buf.offset);
1378          virgl_encoder_write_dword(ctx->cbuf, images[i].u.buf.size);
1379          virgl_encoder_write_res(ctx, res);
1380 
1381          if (res->b.target == PIPE_BUFFER) {
1382             util_range_add(&res->b, &res->valid_buffer_range, images[i].u.buf.offset,
1383                   images[i].u.buf.offset + images[i].u.buf.size);
1384          }
1385          virgl_resource_dirty(res, images[i].u.tex.level);
1386       } else {
1387          virgl_encoder_write_dword(ctx->cbuf, 0);
1388          virgl_encoder_write_dword(ctx->cbuf, 0);
1389          virgl_encoder_write_dword(ctx->cbuf, 0);
1390          virgl_encoder_write_dword(ctx->cbuf, 0);
1391          virgl_encoder_write_dword(ctx->cbuf, 0);
1392       }
1393    }
1394    return 0;
1395 }
1396 
virgl_encode_memory_barrier(struct virgl_context * ctx,unsigned flags)1397 int virgl_encode_memory_barrier(struct virgl_context *ctx,
1398                                 unsigned flags)
1399 {
1400    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_MEMORY_BARRIER, 0, 1));
1401    virgl_encoder_write_dword(ctx->cbuf, flags);
1402    return 0;
1403 }
1404 
virgl_encode_launch_grid(struct virgl_context * ctx,const struct pipe_grid_info * grid_info)1405 int virgl_encode_launch_grid(struct virgl_context *ctx,
1406                              const struct pipe_grid_info *grid_info)
1407 {
1408    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_LAUNCH_GRID, 0, VIRGL_LAUNCH_GRID_SIZE));
1409    virgl_encoder_write_dword(ctx->cbuf, grid_info->block[0]);
1410    virgl_encoder_write_dword(ctx->cbuf, grid_info->block[1]);
1411    virgl_encoder_write_dword(ctx->cbuf, grid_info->block[2]);
1412    virgl_encoder_write_dword(ctx->cbuf, grid_info->grid[0]);
1413    virgl_encoder_write_dword(ctx->cbuf, grid_info->grid[1]);
1414    virgl_encoder_write_dword(ctx->cbuf, grid_info->grid[2]);
1415    if (grid_info->indirect) {
1416       struct virgl_resource *res = virgl_resource(grid_info->indirect);
1417       virgl_encoder_write_res(ctx, res);
1418    } else
1419       virgl_encoder_write_dword(ctx->cbuf, 0);
1420    virgl_encoder_write_dword(ctx->cbuf, grid_info->indirect_offset);
1421    return 0;
1422 }
1423 
virgl_encode_texture_barrier(struct virgl_context * ctx,unsigned flags)1424 int virgl_encode_texture_barrier(struct virgl_context *ctx,
1425                                  unsigned flags)
1426 {
1427    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_TEXTURE_BARRIER, 0, 1));
1428    virgl_encoder_write_dword(ctx->cbuf, flags);
1429    return 0;
1430 }
1431 
virgl_encode_host_debug_flagstring(struct virgl_context * ctx,const char * flagstring)1432 int virgl_encode_host_debug_flagstring(struct virgl_context *ctx,
1433                                        const char *flagstring)
1434 {
1435    unsigned long slen = strlen(flagstring) + 1;
1436    uint32_t sslen;
1437    uint32_t string_length;
1438 
1439    if (!slen)
1440       return 0;
1441 
1442    if (slen > 4 * 0xffff) {
1443       debug_printf("VIRGL: host debug flag string too long, will be truncated\n");
1444       slen = 4 * 0xffff;
1445    }
1446 
1447    sslen = (uint32_t )(slen + 3) / 4;
1448    string_length = (uint32_t)MIN2(sslen * 4, slen);
1449 
1450    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_DEBUG_FLAGS, 0, sslen));
1451    virgl_encoder_write_block(ctx->cbuf, (const uint8_t *)flagstring, string_length);
1452    return 0;
1453 }
1454 
virgl_encode_tweak(struct virgl_context * ctx,enum vrend_tweak_type tweak,uint32_t value)1455 int virgl_encode_tweak(struct virgl_context *ctx, enum vrend_tweak_type tweak, uint32_t value)
1456 {
1457    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_TWEAKS, 0, VIRGL_SET_TWEAKS_SIZE));
1458    virgl_encoder_write_dword(ctx->cbuf, tweak);
1459    virgl_encoder_write_dword(ctx->cbuf, value);
1460    return 0;
1461 }
1462 
1463 
virgl_encode_get_query_result_qbo(struct virgl_context * ctx,uint32_t handle,struct virgl_resource * res,boolean wait,uint32_t result_type,uint32_t offset,uint32_t index)1464 int virgl_encode_get_query_result_qbo(struct virgl_context *ctx,
1465                                       uint32_t handle,
1466                                       struct virgl_resource *res, boolean wait,
1467                                       uint32_t result_type,
1468                                       uint32_t offset,
1469                                       uint32_t index)
1470 {
1471    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_GET_QUERY_RESULT_QBO, 0, VIRGL_QUERY_RESULT_QBO_SIZE));
1472    virgl_encoder_write_dword(ctx->cbuf, handle);
1473    virgl_encoder_write_res(ctx, res);
1474    virgl_encoder_write_dword(ctx->cbuf, wait ? 1 : 0);
1475    virgl_encoder_write_dword(ctx->cbuf, result_type);
1476    virgl_encoder_write_dword(ctx->cbuf, offset);
1477    virgl_encoder_write_dword(ctx->cbuf, index);
1478    return 0;
1479 }
1480 
virgl_encode_transfer(struct virgl_screen * vs,struct virgl_cmd_buf * buf,struct virgl_transfer * trans,uint32_t direction)1481 void virgl_encode_transfer(struct virgl_screen *vs, struct virgl_cmd_buf *buf,
1482                            struct virgl_transfer *trans, uint32_t direction)
1483 {
1484    uint32_t command;
1485    struct virgl_resource *vres = virgl_resource(trans->base.resource);
1486    enum virgl_transfer3d_encode_stride stride_type =
1487         virgl_transfer3d_host_inferred_stride;
1488 
1489    if (trans->base.box.depth == 1 && trans->base.level == 0 &&
1490        trans->base.resource->target == PIPE_TEXTURE_2D &&
1491        vres->blob_mem == VIRGL_BLOB_MEM_HOST3D_GUEST)
1492       stride_type = virgl_transfer3d_explicit_stride;
1493 
1494    command = VIRGL_CMD0(VIRGL_CCMD_TRANSFER3D, 0, VIRGL_TRANSFER3D_SIZE);
1495    virgl_encoder_write_dword(buf, command);
1496    virgl_encoder_transfer3d_common(vs, buf, trans, stride_type);
1497    virgl_encoder_write_dword(buf, trans->offset);
1498    virgl_encoder_write_dword(buf, direction);
1499 }
1500 
virgl_encode_copy_transfer(struct virgl_context * ctx,struct virgl_transfer * trans)1501 void virgl_encode_copy_transfer(struct virgl_context *ctx,
1502                                 struct virgl_transfer *trans)
1503 {
1504    uint32_t command;
1505    struct virgl_screen *vs = virgl_screen(ctx->base.screen);
1506 
1507    assert(trans->copy_src_hw_res);
1508 
1509    command = VIRGL_CMD0(VIRGL_CCMD_COPY_TRANSFER3D, 0, VIRGL_COPY_TRANSFER3D_SIZE);
1510    virgl_encoder_write_cmd_dword(ctx, command);
1511    /* Copy transfers need to explicitly specify the stride, since it may differ
1512     * from the image stride.
1513     */
1514    virgl_encoder_transfer3d_common(vs, ctx->cbuf, trans, virgl_transfer3d_explicit_stride);
1515    vs->vws->emit_res(vs->vws, ctx->cbuf, trans->copy_src_hw_res, TRUE);
1516    virgl_encoder_write_dword(ctx->cbuf, trans->copy_src_offset);
1517    /* At the moment all copy transfers are synchronized. */
1518    virgl_encoder_write_dword(ctx->cbuf, 1);
1519 }
1520 
virgl_encode_end_transfers(struct virgl_cmd_buf * buf)1521 void virgl_encode_end_transfers(struct virgl_cmd_buf *buf)
1522 {
1523    uint32_t command, diff;
1524    diff = VIRGL_MAX_TBUF_DWORDS - buf->cdw;
1525    if (diff) {
1526       command = VIRGL_CMD0(VIRGL_CCMD_END_TRANSFERS, 0, diff - 1);
1527       virgl_encoder_write_dword(buf, command);
1528    }
1529 }
1530 
virgl_encode_get_memory_info(struct virgl_context * ctx,struct virgl_resource * res)1531 void virgl_encode_get_memory_info(struct virgl_context *ctx, struct virgl_resource *res)
1532 {
1533    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_GET_MEMORY_INFO, 0, 1));
1534    virgl_encoder_write_res(ctx, res);
1535 }
1536 
virgl_encode_emit_string_marker(struct virgl_context * ctx,const char * message,int len)1537 void virgl_encode_emit_string_marker(struct virgl_context *ctx,
1538                                      const char *message, int len)
1539 {
1540    /* len is guaranteed to be non-negative but be defensive */
1541    assert(len >= 0);
1542    if (len <= 0)
1543       return;
1544 
1545    if (len > 4 * 0xffff) {
1546       debug_printf("VIRGL: host debug flag string too long, will be truncated\n");
1547       len = 4 * 0xffff;
1548    }
1549 
1550    uint32_t buf_len = (uint32_t )(len + 3) / 4 + 1;
1551    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_EMIT_STRING_MARKER, 0, buf_len));
1552    virgl_encoder_write_dword(ctx->cbuf, len);
1553    virgl_encoder_write_block(ctx->cbuf, (const uint8_t *)message, len);
1554 }
1555