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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/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 "virgl_protocol.h"
37 #include "virgl_resource.h"
38 #include "virgl_screen.h"
39 
virgl_encoder_write_cmd_dword(struct virgl_context * ctx,uint32_t dword)40 static int virgl_encoder_write_cmd_dword(struct virgl_context *ctx,
41                                         uint32_t dword)
42 {
43    int len = (dword >> 16);
44 
45    if ((ctx->cbuf->cdw + len + 1) > VIRGL_MAX_CMDBUF_DWORDS)
46       ctx->base.flush(&ctx->base, NULL, 0);
47 
48    virgl_encoder_write_dword(ctx->cbuf, dword);
49    return 0;
50 }
51 
virgl_encoder_write_res(struct virgl_context * ctx,struct virgl_resource * res)52 static void virgl_encoder_write_res(struct virgl_context *ctx,
53                                     struct virgl_resource *res)
54 {
55    struct virgl_winsys *vws = virgl_screen(ctx->base.screen)->vws;
56 
57    if (res && res->hw_res)
58       vws->emit_res(vws, ctx->cbuf, res->hw_res, TRUE);
59    else {
60       virgl_encoder_write_dword(ctx->cbuf, 0);
61    }
62 }
63 
virgl_encode_bind_object(struct virgl_context * ctx,uint32_t handle,uint32_t object)64 int virgl_encode_bind_object(struct virgl_context *ctx,
65                             uint32_t handle, uint32_t object)
66 {
67    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_BIND_OBJECT, object, 1));
68    virgl_encoder_write_dword(ctx->cbuf, handle);
69    return 0;
70 }
71 
virgl_encode_delete_object(struct virgl_context * ctx,uint32_t handle,uint32_t object)72 int virgl_encode_delete_object(struct virgl_context *ctx,
73                               uint32_t handle, uint32_t object)
74 {
75    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_DESTROY_OBJECT, object, 1));
76    virgl_encoder_write_dword(ctx->cbuf, handle);
77    return 0;
78 }
79 
virgl_encode_blend_state(struct virgl_context * ctx,uint32_t handle,const struct pipe_blend_state * blend_state)80 int virgl_encode_blend_state(struct virgl_context *ctx,
81                             uint32_t handle,
82                             const struct pipe_blend_state *blend_state)
83 {
84    uint32_t tmp;
85    int i;
86 
87    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CREATE_OBJECT, VIRGL_OBJECT_BLEND, VIRGL_OBJ_BLEND_SIZE));
88    virgl_encoder_write_dword(ctx->cbuf, handle);
89 
90    tmp =
91       VIRGL_OBJ_BLEND_S0_INDEPENDENT_BLEND_ENABLE(blend_state->independent_blend_enable) |
92       VIRGL_OBJ_BLEND_S0_LOGICOP_ENABLE(blend_state->logicop_enable) |
93       VIRGL_OBJ_BLEND_S0_DITHER(blend_state->dither) |
94       VIRGL_OBJ_BLEND_S0_ALPHA_TO_COVERAGE(blend_state->alpha_to_coverage) |
95       VIRGL_OBJ_BLEND_S0_ALPHA_TO_ONE(blend_state->alpha_to_one);
96 
97    virgl_encoder_write_dword(ctx->cbuf, tmp);
98 
99    tmp = VIRGL_OBJ_BLEND_S1_LOGICOP_FUNC(blend_state->logicop_func);
100    virgl_encoder_write_dword(ctx->cbuf, tmp);
101 
102    for (i = 0; i < VIRGL_MAX_COLOR_BUFS; i++) {
103       tmp =
104          VIRGL_OBJ_BLEND_S2_RT_BLEND_ENABLE(blend_state->rt[i].blend_enable) |
105          VIRGL_OBJ_BLEND_S2_RT_RGB_FUNC(blend_state->rt[i].rgb_func) |
106          VIRGL_OBJ_BLEND_S2_RT_RGB_SRC_FACTOR(blend_state->rt[i].rgb_src_factor) |
107          VIRGL_OBJ_BLEND_S2_RT_RGB_DST_FACTOR(blend_state->rt[i].rgb_dst_factor)|
108          VIRGL_OBJ_BLEND_S2_RT_ALPHA_FUNC(blend_state->rt[i].alpha_func) |
109          VIRGL_OBJ_BLEND_S2_RT_ALPHA_SRC_FACTOR(blend_state->rt[i].alpha_src_factor) |
110          VIRGL_OBJ_BLEND_S2_RT_ALPHA_DST_FACTOR(blend_state->rt[i].alpha_dst_factor) |
111          VIRGL_OBJ_BLEND_S2_RT_COLORMASK(blend_state->rt[i].colormask);
112       virgl_encoder_write_dword(ctx->cbuf, tmp);
113    }
114    return 0;
115 }
116 
virgl_encode_dsa_state(struct virgl_context * ctx,uint32_t handle,const struct pipe_depth_stencil_alpha_state * dsa_state)117 int virgl_encode_dsa_state(struct virgl_context *ctx,
118                           uint32_t handle,
119                           const struct pipe_depth_stencil_alpha_state *dsa_state)
120 {
121    uint32_t tmp;
122    int i;
123    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CREATE_OBJECT, VIRGL_OBJECT_DSA, VIRGL_OBJ_DSA_SIZE));
124    virgl_encoder_write_dword(ctx->cbuf, handle);
125 
126    tmp = VIRGL_OBJ_DSA_S0_DEPTH_ENABLE(dsa_state->depth.enabled) |
127       VIRGL_OBJ_DSA_S0_DEPTH_WRITEMASK(dsa_state->depth.writemask) |
128       VIRGL_OBJ_DSA_S0_DEPTH_FUNC(dsa_state->depth.func) |
129       VIRGL_OBJ_DSA_S0_ALPHA_ENABLED(dsa_state->alpha.enabled) |
130       VIRGL_OBJ_DSA_S0_ALPHA_FUNC(dsa_state->alpha.func);
131    virgl_encoder_write_dword(ctx->cbuf, tmp);
132 
133    for (i = 0; i < 2; i++) {
134       tmp = VIRGL_OBJ_DSA_S1_STENCIL_ENABLED(dsa_state->stencil[i].enabled) |
135          VIRGL_OBJ_DSA_S1_STENCIL_FUNC(dsa_state->stencil[i].func) |
136          VIRGL_OBJ_DSA_S1_STENCIL_FAIL_OP(dsa_state->stencil[i].fail_op) |
137          VIRGL_OBJ_DSA_S1_STENCIL_ZPASS_OP(dsa_state->stencil[i].zpass_op) |
138          VIRGL_OBJ_DSA_S1_STENCIL_ZFAIL_OP(dsa_state->stencil[i].zfail_op) |
139          VIRGL_OBJ_DSA_S1_STENCIL_VALUEMASK(dsa_state->stencil[i].valuemask) |
140          VIRGL_OBJ_DSA_S1_STENCIL_WRITEMASK(dsa_state->stencil[i].writemask);
141       virgl_encoder_write_dword(ctx->cbuf, tmp);
142    }
143 
144    virgl_encoder_write_dword(ctx->cbuf, fui(dsa_state->alpha.ref_value));
145    return 0;
146 }
virgl_encode_rasterizer_state(struct virgl_context * ctx,uint32_t handle,const struct pipe_rasterizer_state * state)147 int virgl_encode_rasterizer_state(struct virgl_context *ctx,
148                                   uint32_t handle,
149                                   const struct pipe_rasterizer_state *state)
150 {
151    uint32_t tmp;
152 
153    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CREATE_OBJECT, VIRGL_OBJECT_RASTERIZER, VIRGL_OBJ_RS_SIZE));
154    virgl_encoder_write_dword(ctx->cbuf, handle);
155 
156    tmp = VIRGL_OBJ_RS_S0_FLATSHADE(state->flatshade) |
157       VIRGL_OBJ_RS_S0_DEPTH_CLIP(state->depth_clip) |
158       VIRGL_OBJ_RS_S0_CLIP_HALFZ(state->clip_halfz) |
159       VIRGL_OBJ_RS_S0_RASTERIZER_DISCARD(state->rasterizer_discard) |
160       VIRGL_OBJ_RS_S0_FLATSHADE_FIRST(state->flatshade_first) |
161       VIRGL_OBJ_RS_S0_LIGHT_TWOSIZE(state->light_twoside) |
162       VIRGL_OBJ_RS_S0_SPRITE_COORD_MODE(state->sprite_coord_mode) |
163       VIRGL_OBJ_RS_S0_POINT_QUAD_RASTERIZATION(state->point_quad_rasterization) |
164       VIRGL_OBJ_RS_S0_CULL_FACE(state->cull_face) |
165       VIRGL_OBJ_RS_S0_FILL_FRONT(state->fill_front) |
166       VIRGL_OBJ_RS_S0_FILL_BACK(state->fill_back) |
167       VIRGL_OBJ_RS_S0_SCISSOR(state->scissor) |
168       VIRGL_OBJ_RS_S0_FRONT_CCW(state->front_ccw) |
169       VIRGL_OBJ_RS_S0_CLAMP_VERTEX_COLOR(state->clamp_vertex_color) |
170       VIRGL_OBJ_RS_S0_CLAMP_FRAGMENT_COLOR(state->clamp_fragment_color) |
171       VIRGL_OBJ_RS_S0_OFFSET_LINE(state->offset_line) |
172       VIRGL_OBJ_RS_S0_OFFSET_POINT(state->offset_point) |
173       VIRGL_OBJ_RS_S0_OFFSET_TRI(state->offset_tri) |
174       VIRGL_OBJ_RS_S0_POLY_SMOOTH(state->poly_smooth) |
175       VIRGL_OBJ_RS_S0_POLY_STIPPLE_ENABLE(state->poly_stipple_enable) |
176       VIRGL_OBJ_RS_S0_POINT_SMOOTH(state->point_smooth) |
177       VIRGL_OBJ_RS_S0_POINT_SIZE_PER_VERTEX(state->point_size_per_vertex) |
178       VIRGL_OBJ_RS_S0_MULTISAMPLE(state->multisample) |
179       VIRGL_OBJ_RS_S0_LINE_SMOOTH(state->line_smooth) |
180       VIRGL_OBJ_RS_S0_LINE_STIPPLE_ENABLE(state->line_stipple_enable) |
181       VIRGL_OBJ_RS_S0_LINE_LAST_PIXEL(state->line_last_pixel) |
182       VIRGL_OBJ_RS_S0_HALF_PIXEL_CENTER(state->half_pixel_center) |
183       VIRGL_OBJ_RS_S0_BOTTOM_EDGE_RULE(state->bottom_edge_rule);
184 
185    virgl_encoder_write_dword(ctx->cbuf, tmp); /* S0 */
186    virgl_encoder_write_dword(ctx->cbuf, fui(state->point_size)); /* S1 */
187    virgl_encoder_write_dword(ctx->cbuf, state->sprite_coord_enable); /* S2 */
188    tmp = VIRGL_OBJ_RS_S3_LINE_STIPPLE_PATTERN(state->line_stipple_pattern) |
189       VIRGL_OBJ_RS_S3_LINE_STIPPLE_FACTOR(state->line_stipple_factor) |
190       VIRGL_OBJ_RS_S3_CLIP_PLANE_ENABLE(state->clip_plane_enable);
191    virgl_encoder_write_dword(ctx->cbuf, tmp); /* S3 */
192    virgl_encoder_write_dword(ctx->cbuf, fui(state->line_width)); /* S4 */
193    virgl_encoder_write_dword(ctx->cbuf, fui(state->offset_units)); /* S5 */
194    virgl_encoder_write_dword(ctx->cbuf, fui(state->offset_scale)); /* S6 */
195    virgl_encoder_write_dword(ctx->cbuf, fui(state->offset_clamp)); /* S7 */
196    return 0;
197 }
198 
virgl_emit_shader_header(struct virgl_context * ctx,uint32_t handle,uint32_t len,uint32_t type,uint32_t offlen,uint32_t num_tokens)199 static void virgl_emit_shader_header(struct virgl_context *ctx,
200                                      uint32_t handle, uint32_t len,
201                                      uint32_t type, uint32_t offlen,
202                                      uint32_t num_tokens)
203 {
204    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CREATE_OBJECT, VIRGL_OBJECT_SHADER, len));
205    virgl_encoder_write_dword(ctx->cbuf, handle);
206    virgl_encoder_write_dword(ctx->cbuf, type);
207    virgl_encoder_write_dword(ctx->cbuf, offlen);
208    virgl_encoder_write_dword(ctx->cbuf, num_tokens);
209 }
210 
virgl_emit_shader_streamout(struct virgl_context * ctx,const struct pipe_stream_output_info * so_info)211 static void virgl_emit_shader_streamout(struct virgl_context *ctx,
212                                         const struct pipe_stream_output_info *so_info)
213 {
214    int num_outputs = 0;
215    int i;
216    uint32_t tmp;
217 
218    if (so_info)
219       num_outputs = so_info->num_outputs;
220 
221    virgl_encoder_write_dword(ctx->cbuf, num_outputs);
222    if (num_outputs) {
223       for (i = 0; i < 4; i++)
224          virgl_encoder_write_dword(ctx->cbuf, so_info->stride[i]);
225 
226       for (i = 0; i < so_info->num_outputs; i++) {
227          tmp =
228            VIRGL_OBJ_SHADER_SO_OUTPUT_REGISTER_INDEX(so_info->output[i].register_index) |
229            VIRGL_OBJ_SHADER_SO_OUTPUT_START_COMPONENT(so_info->output[i].start_component) |
230            VIRGL_OBJ_SHADER_SO_OUTPUT_NUM_COMPONENTS(so_info->output[i].num_components) |
231            VIRGL_OBJ_SHADER_SO_OUTPUT_BUFFER(so_info->output[i].output_buffer) |
232            VIRGL_OBJ_SHADER_SO_OUTPUT_DST_OFFSET(so_info->output[i].dst_offset);
233          virgl_encoder_write_dword(ctx->cbuf, tmp);
234          virgl_encoder_write_dword(ctx->cbuf, 0);
235       }
236    }
237 }
238 
virgl_encode_shader_state(struct virgl_context * ctx,uint32_t handle,uint32_t type,const struct pipe_stream_output_info * so_info,const struct tgsi_token * tokens)239 int virgl_encode_shader_state(struct virgl_context *ctx,
240                               uint32_t handle,
241                               uint32_t type,
242                               const struct pipe_stream_output_info *so_info,
243                               const struct tgsi_token *tokens)
244 {
245    char *str, *sptr;
246    uint32_t shader_len, len;
247    bool bret;
248    int num_tokens = tgsi_num_tokens(tokens);
249    int str_total_size = 65536;
250    int retry_size = 1;
251    uint32_t left_bytes, base_hdr_size, strm_hdr_size, thispass;
252    bool first_pass;
253    str = CALLOC(1, str_total_size);
254    if (!str)
255       return -1;
256 
257    do {
258       int old_size;
259 
260       bret = tgsi_dump_str(tokens, TGSI_DUMP_FLOAT_AS_HEX, str, str_total_size);
261       if (bret == false) {
262          fprintf(stderr, "Failed to translate shader in available space - trying again\n");
263          old_size = str_total_size;
264          str_total_size = 65536 * ++retry_size;
265          str = REALLOC(str, old_size, str_total_size);
266          if (!str)
267             return -1;
268       }
269    } while (bret == false && retry_size < 10);
270 
271    if (bret == false)
272       return -1;
273 
274    shader_len = strlen(str) + 1;
275 
276    left_bytes = shader_len;
277 
278    base_hdr_size = 5;
279    strm_hdr_size = so_info->num_outputs ? so_info->num_outputs * 2 + 4 : 0;
280    first_pass = true;
281    sptr = str;
282    while (left_bytes) {
283       uint32_t length, offlen;
284       int hdr_len = base_hdr_size + (first_pass ? strm_hdr_size : 0);
285       if (ctx->cbuf->cdw + hdr_len + 1 > VIRGL_MAX_CMDBUF_DWORDS)
286          ctx->base.flush(&ctx->base, NULL, 0);
287 
288       thispass = (VIRGL_MAX_CMDBUF_DWORDS - ctx->cbuf->cdw - hdr_len - 1) * 4;
289 
290       length = MIN2(thispass, left_bytes);
291       len = ((length + 3) / 4) + hdr_len;
292 
293       if (first_pass)
294          offlen = VIRGL_OBJ_SHADER_OFFSET_VAL(shader_len);
295       else
296          offlen = VIRGL_OBJ_SHADER_OFFSET_VAL((uintptr_t)sptr - (uintptr_t)str) | VIRGL_OBJ_SHADER_OFFSET_CONT;
297 
298       virgl_emit_shader_header(ctx, handle, len, type, offlen, num_tokens);
299 
300       virgl_emit_shader_streamout(ctx, first_pass ? so_info : NULL);
301 
302       virgl_encoder_write_block(ctx->cbuf, (uint8_t *)sptr, length);
303 
304       sptr += length;
305       first_pass = false;
306       left_bytes -= length;
307    }
308 
309    FREE(str);
310    return 0;
311 }
312 
313 
virgl_encode_clear(struct virgl_context * ctx,unsigned buffers,const union pipe_color_union * color,double depth,unsigned stencil)314 int virgl_encode_clear(struct virgl_context *ctx,
315                       unsigned buffers,
316                       const union pipe_color_union *color,
317                       double depth, unsigned stencil)
318 {
319    int i;
320    uint64_t qword;
321 
322    STATIC_ASSERT(sizeof(qword) == sizeof(depth));
323    memcpy(&qword, &depth, sizeof(qword));
324 
325    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CLEAR, 0, VIRGL_OBJ_CLEAR_SIZE));
326    virgl_encoder_write_dword(ctx->cbuf, buffers);
327    for (i = 0; i < 4; i++)
328       virgl_encoder_write_dword(ctx->cbuf, color->ui[i]);
329    virgl_encoder_write_qword(ctx->cbuf, qword);
330    virgl_encoder_write_dword(ctx->cbuf, stencil);
331    return 0;
332 }
333 
virgl_encoder_set_framebuffer_state(struct virgl_context * ctx,const struct pipe_framebuffer_state * state)334 int virgl_encoder_set_framebuffer_state(struct virgl_context *ctx,
335                                        const struct pipe_framebuffer_state *state)
336 {
337    struct virgl_surface *zsurf = virgl_surface(state->zsbuf);
338    int i;
339 
340    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_FRAMEBUFFER_STATE, 0, VIRGL_SET_FRAMEBUFFER_STATE_SIZE(state->nr_cbufs)));
341    virgl_encoder_write_dword(ctx->cbuf, state->nr_cbufs);
342    virgl_encoder_write_dword(ctx->cbuf, zsurf ? zsurf->handle : 0);
343    for (i = 0; i < state->nr_cbufs; i++) {
344       struct virgl_surface *surf = virgl_surface(state->cbufs[i]);
345       virgl_encoder_write_dword(ctx->cbuf, surf ? surf->handle : 0);
346    }
347 
348    return 0;
349 }
350 
virgl_encoder_set_viewport_states(struct virgl_context * ctx,int start_slot,int num_viewports,const struct pipe_viewport_state * states)351 int virgl_encoder_set_viewport_states(struct virgl_context *ctx,
352                                       int start_slot,
353                                       int num_viewports,
354                                       const struct pipe_viewport_state *states)
355 {
356    int i,v;
357    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_VIEWPORT_STATE, 0, VIRGL_SET_VIEWPORT_STATE_SIZE(num_viewports)));
358    virgl_encoder_write_dword(ctx->cbuf, start_slot);
359    for (v = 0; v < num_viewports; v++) {
360       for (i = 0; i < 3; i++)
361          virgl_encoder_write_dword(ctx->cbuf, fui(states[v].scale[i]));
362       for (i = 0; i < 3; i++)
363          virgl_encoder_write_dword(ctx->cbuf, fui(states[v].translate[i]));
364    }
365    return 0;
366 }
367 
virgl_encoder_create_vertex_elements(struct virgl_context * ctx,uint32_t handle,unsigned num_elements,const struct pipe_vertex_element * element)368 int virgl_encoder_create_vertex_elements(struct virgl_context *ctx,
369                                         uint32_t handle,
370                                         unsigned num_elements,
371                                         const struct pipe_vertex_element *element)
372 {
373    int i;
374    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CREATE_OBJECT, VIRGL_OBJECT_VERTEX_ELEMENTS, VIRGL_OBJ_VERTEX_ELEMENTS_SIZE(num_elements)));
375    virgl_encoder_write_dword(ctx->cbuf, handle);
376    for (i = 0; i < num_elements; i++) {
377       virgl_encoder_write_dword(ctx->cbuf, element[i].src_offset);
378       virgl_encoder_write_dword(ctx->cbuf, element[i].instance_divisor);
379       virgl_encoder_write_dword(ctx->cbuf, element[i].vertex_buffer_index);
380       virgl_encoder_write_dword(ctx->cbuf, element[i].src_format);
381    }
382    return 0;
383 }
384 
virgl_encoder_set_vertex_buffers(struct virgl_context * ctx,unsigned num_buffers,const struct pipe_vertex_buffer * buffers)385 int virgl_encoder_set_vertex_buffers(struct virgl_context *ctx,
386                                     unsigned num_buffers,
387                                     const struct pipe_vertex_buffer *buffers)
388 {
389    int i;
390    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_VERTEX_BUFFERS, 0, VIRGL_SET_VERTEX_BUFFERS_SIZE(num_buffers)));
391    for (i = 0; i < num_buffers; i++) {
392       struct virgl_resource *res = virgl_resource(buffers[i].buffer.resource);
393       virgl_encoder_write_dword(ctx->cbuf, buffers[i].stride);
394       virgl_encoder_write_dword(ctx->cbuf, buffers[i].buffer_offset);
395       virgl_encoder_write_res(ctx, res);
396    }
397    return 0;
398 }
399 
virgl_encoder_set_index_buffer(struct virgl_context * ctx,const struct virgl_indexbuf * ib)400 int virgl_encoder_set_index_buffer(struct virgl_context *ctx,
401                                   const struct virgl_indexbuf *ib)
402 {
403    int length = VIRGL_SET_INDEX_BUFFER_SIZE(ib);
404    struct virgl_resource *res = NULL;
405    if (ib)
406       res = virgl_resource(ib->buffer);
407 
408    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_INDEX_BUFFER, 0, length));
409    virgl_encoder_write_res(ctx, res);
410    if (ib) {
411       virgl_encoder_write_dword(ctx->cbuf, ib->index_size);
412       virgl_encoder_write_dword(ctx->cbuf, ib->offset);
413    }
414    return 0;
415 }
416 
virgl_encoder_draw_vbo(struct virgl_context * ctx,const struct pipe_draw_info * info)417 int virgl_encoder_draw_vbo(struct virgl_context *ctx,
418                           const struct pipe_draw_info *info)
419 {
420    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_DRAW_VBO, 0, VIRGL_DRAW_VBO_SIZE));
421    virgl_encoder_write_dword(ctx->cbuf, info->start);
422    virgl_encoder_write_dword(ctx->cbuf, info->count);
423    virgl_encoder_write_dword(ctx->cbuf, info->mode);
424    virgl_encoder_write_dword(ctx->cbuf, !!info->index_size);
425    virgl_encoder_write_dword(ctx->cbuf, info->instance_count);
426    virgl_encoder_write_dword(ctx->cbuf, info->index_bias);
427    virgl_encoder_write_dword(ctx->cbuf, info->start_instance);
428    virgl_encoder_write_dword(ctx->cbuf, info->primitive_restart);
429    virgl_encoder_write_dword(ctx->cbuf, info->restart_index);
430    virgl_encoder_write_dword(ctx->cbuf, info->min_index);
431    virgl_encoder_write_dword(ctx->cbuf, info->max_index);
432    if (info->count_from_stream_output)
433       virgl_encoder_write_dword(ctx->cbuf, info->count_from_stream_output->buffer_size);
434    else
435       virgl_encoder_write_dword(ctx->cbuf, 0);
436    return 0;
437 }
438 
virgl_encoder_create_surface(struct virgl_context * ctx,uint32_t handle,struct virgl_resource * res,const struct pipe_surface * templat)439 int virgl_encoder_create_surface(struct virgl_context *ctx,
440                                 uint32_t handle,
441                                 struct virgl_resource *res,
442                                 const struct pipe_surface *templat)
443 {
444    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CREATE_OBJECT, VIRGL_OBJECT_SURFACE, VIRGL_OBJ_SURFACE_SIZE));
445    virgl_encoder_write_dword(ctx->cbuf, handle);
446    virgl_encoder_write_res(ctx, res);
447    virgl_encoder_write_dword(ctx->cbuf, templat->format);
448    if (templat->texture->target == PIPE_BUFFER) {
449       virgl_encoder_write_dword(ctx->cbuf, templat->u.buf.first_element);
450       virgl_encoder_write_dword(ctx->cbuf, templat->u.buf.last_element);
451 
452    } else {
453       virgl_encoder_write_dword(ctx->cbuf, templat->u.tex.level);
454       virgl_encoder_write_dword(ctx->cbuf, templat->u.tex.first_layer | (templat->u.tex.last_layer << 16));
455    }
456    return 0;
457 }
458 
virgl_encoder_create_so_target(struct virgl_context * ctx,uint32_t handle,struct virgl_resource * res,unsigned buffer_offset,unsigned buffer_size)459 int virgl_encoder_create_so_target(struct virgl_context *ctx,
460                                   uint32_t handle,
461                                   struct virgl_resource *res,
462                                   unsigned buffer_offset,
463                                   unsigned buffer_size)
464 {
465    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CREATE_OBJECT, VIRGL_OBJECT_STREAMOUT_TARGET, VIRGL_OBJ_STREAMOUT_SIZE));
466    virgl_encoder_write_dword(ctx->cbuf, handle);
467    virgl_encoder_write_res(ctx, res);
468    virgl_encoder_write_dword(ctx->cbuf, buffer_offset);
469    virgl_encoder_write_dword(ctx->cbuf, buffer_size);
470    return 0;
471 }
472 
virgl_encoder_iw_emit_header_1d(struct virgl_context * ctx,struct virgl_resource * res,unsigned level,unsigned usage,const struct pipe_box * box,unsigned stride,unsigned layer_stride)473 static void virgl_encoder_iw_emit_header_1d(struct virgl_context *ctx,
474                                            struct virgl_resource *res,
475                                            unsigned level, unsigned usage,
476                                            const struct pipe_box *box,
477                                            unsigned stride, unsigned layer_stride)
478 {
479    virgl_encoder_write_res(ctx, res);
480    virgl_encoder_write_dword(ctx->cbuf, level);
481    virgl_encoder_write_dword(ctx->cbuf, usage);
482    virgl_encoder_write_dword(ctx->cbuf, stride);
483    virgl_encoder_write_dword(ctx->cbuf, layer_stride);
484    virgl_encoder_write_dword(ctx->cbuf, box->x);
485    virgl_encoder_write_dword(ctx->cbuf, box->y);
486    virgl_encoder_write_dword(ctx->cbuf, box->z);
487    virgl_encoder_write_dword(ctx->cbuf, box->width);
488    virgl_encoder_write_dword(ctx->cbuf, box->height);
489    virgl_encoder_write_dword(ctx->cbuf, box->depth);
490 }
491 
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)492 int virgl_encoder_inline_write(struct virgl_context *ctx,
493                               struct virgl_resource *res,
494                               unsigned level, unsigned usage,
495                               const struct pipe_box *box,
496                               const void *data, unsigned stride,
497                               unsigned layer_stride)
498 {
499    uint32_t size = (stride ? stride : box->width) * box->height;
500    uint32_t length, thispass, left_bytes;
501    struct pipe_box mybox = *box;
502 
503    length = 11 + (size + 3) / 4;
504    if ((ctx->cbuf->cdw + length + 1) > VIRGL_MAX_CMDBUF_DWORDS) {
505       if (box->height > 1 || box->depth > 1) {
506          debug_printf("inline transfer failed due to multi dimensions and too large\n");
507          assert(0);
508       }
509    }
510 
511    left_bytes = size;
512    while (left_bytes) {
513       if (ctx->cbuf->cdw + 12 > VIRGL_MAX_CMDBUF_DWORDS)
514          ctx->base.flush(&ctx->base, NULL, 0);
515 
516       thispass = (VIRGL_MAX_CMDBUF_DWORDS - ctx->cbuf->cdw - 12) * 4;
517 
518       length = MIN2(thispass, left_bytes);
519 
520       mybox.width = length;
521       virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_RESOURCE_INLINE_WRITE, 0, ((length + 3) / 4) + 11));
522       virgl_encoder_iw_emit_header_1d(ctx, res, level, usage, &mybox, stride, layer_stride);
523       virgl_encoder_write_block(ctx->cbuf, data, length);
524       left_bytes -= length;
525       mybox.x += length;
526       data += length;
527    }
528    return 0;
529 }
530 
virgl_encoder_flush_frontbuffer(struct virgl_context * ctx,struct virgl_resource * res)531 int virgl_encoder_flush_frontbuffer(struct virgl_context *ctx,
532                                    struct virgl_resource *res)
533 {
534 //   virgl_encoder_write_dword(ctx->cbuf, VIRGL_CMD0(VIRGL_CCMD_FLUSH_FRONTUBFFER, 0, 1));
535 //   virgl_encoder_write_dword(ctx->cbuf, res_handle);
536    return 0;
537 }
538 
virgl_encode_sampler_state(struct virgl_context * ctx,uint32_t handle,const struct pipe_sampler_state * state)539 int virgl_encode_sampler_state(struct virgl_context *ctx,
540                               uint32_t handle,
541                               const struct pipe_sampler_state *state)
542 {
543    uint32_t tmp;
544    int i;
545    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CREATE_OBJECT, VIRGL_OBJECT_SAMPLER_STATE, VIRGL_OBJ_SAMPLER_STATE_SIZE));
546    virgl_encoder_write_dword(ctx->cbuf, handle);
547 
548    tmp = VIRGL_OBJ_SAMPLE_STATE_S0_WRAP_S(state->wrap_s) |
549       VIRGL_OBJ_SAMPLE_STATE_S0_WRAP_T(state->wrap_t) |
550       VIRGL_OBJ_SAMPLE_STATE_S0_WRAP_R(state->wrap_r) |
551       VIRGL_OBJ_SAMPLE_STATE_S0_MIN_IMG_FILTER(state->min_img_filter) |
552       VIRGL_OBJ_SAMPLE_STATE_S0_MIN_MIP_FILTER(state->min_mip_filter) |
553       VIRGL_OBJ_SAMPLE_STATE_S0_MAG_IMG_FILTER(state->mag_img_filter) |
554       VIRGL_OBJ_SAMPLE_STATE_S0_COMPARE_MODE(state->compare_mode) |
555       VIRGL_OBJ_SAMPLE_STATE_S0_COMPARE_FUNC(state->compare_func);
556 
557    virgl_encoder_write_dword(ctx->cbuf, tmp);
558    virgl_encoder_write_dword(ctx->cbuf, fui(state->lod_bias));
559    virgl_encoder_write_dword(ctx->cbuf, fui(state->min_lod));
560    virgl_encoder_write_dword(ctx->cbuf, fui(state->max_lod));
561    for (i = 0; i <  4; i++)
562       virgl_encoder_write_dword(ctx->cbuf, state->border_color.ui[i]);
563    return 0;
564 }
565 
566 
virgl_encode_sampler_view(struct virgl_context * ctx,uint32_t handle,struct virgl_resource * res,const struct pipe_sampler_view * state)567 int virgl_encode_sampler_view(struct virgl_context *ctx,
568                              uint32_t handle,
569                              struct virgl_resource *res,
570                              const struct pipe_sampler_view *state)
571 {
572    unsigned elem_size = util_format_get_blocksize(state->format);
573 
574    uint32_t tmp;
575    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CREATE_OBJECT, VIRGL_OBJECT_SAMPLER_VIEW, VIRGL_OBJ_SAMPLER_VIEW_SIZE));
576    virgl_encoder_write_dword(ctx->cbuf, handle);
577    virgl_encoder_write_res(ctx, res);
578    virgl_encoder_write_dword(ctx->cbuf, state->format);
579    if (res->u.b.target == PIPE_BUFFER) {
580       virgl_encoder_write_dword(ctx->cbuf, state->u.buf.offset / elem_size);
581       virgl_encoder_write_dword(ctx->cbuf, (state->u.buf.offset + state->u.buf.size) / elem_size - 1);
582    } else {
583       virgl_encoder_write_dword(ctx->cbuf, state->u.tex.first_layer | state->u.tex.last_layer << 16);
584       virgl_encoder_write_dword(ctx->cbuf, state->u.tex.first_level | state->u.tex.last_level << 8);
585    }
586    tmp = VIRGL_OBJ_SAMPLER_VIEW_SWIZZLE_R(state->swizzle_r) |
587       VIRGL_OBJ_SAMPLER_VIEW_SWIZZLE_G(state->swizzle_g) |
588       VIRGL_OBJ_SAMPLER_VIEW_SWIZZLE_B(state->swizzle_b) |
589       VIRGL_OBJ_SAMPLER_VIEW_SWIZZLE_A(state->swizzle_a);
590    virgl_encoder_write_dword(ctx->cbuf, tmp);
591    return 0;
592 }
593 
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)594 int virgl_encode_set_sampler_views(struct virgl_context *ctx,
595                                   uint32_t shader_type,
596                                   uint32_t start_slot,
597                                   uint32_t num_views,
598                                   struct virgl_sampler_view **views)
599 {
600    int i;
601    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_SAMPLER_VIEWS, 0, VIRGL_SET_SAMPLER_VIEWS_SIZE(num_views)));
602    virgl_encoder_write_dword(ctx->cbuf, shader_type);
603    virgl_encoder_write_dword(ctx->cbuf, start_slot);
604    for (i = 0; i < num_views; i++) {
605       uint32_t handle = views[i] ? views[i]->handle : 0;
606       virgl_encoder_write_dword(ctx->cbuf, handle);
607    }
608    return 0;
609 }
610 
virgl_encode_bind_sampler_states(struct virgl_context * ctx,uint32_t shader_type,uint32_t start_slot,uint32_t num_handles,uint32_t * handles)611 int virgl_encode_bind_sampler_states(struct virgl_context *ctx,
612                                     uint32_t shader_type,
613                                     uint32_t start_slot,
614                                     uint32_t num_handles,
615                                     uint32_t *handles)
616 {
617    int i;
618    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_BIND_SAMPLER_STATES, 0, VIRGL_BIND_SAMPLER_STATES(num_handles)));
619    virgl_encoder_write_dword(ctx->cbuf, shader_type);
620    virgl_encoder_write_dword(ctx->cbuf, start_slot);
621    for (i = 0; i < num_handles; i++)
622       virgl_encoder_write_dword(ctx->cbuf, handles[i]);
623    return 0;
624 }
625 
virgl_encoder_write_constant_buffer(struct virgl_context * ctx,uint32_t shader,uint32_t index,uint32_t size,const void * data)626 int virgl_encoder_write_constant_buffer(struct virgl_context *ctx,
627                                        uint32_t shader,
628                                        uint32_t index,
629                                        uint32_t size,
630                                        const void *data)
631 {
632    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_CONSTANT_BUFFER, 0, size + 2));
633    virgl_encoder_write_dword(ctx->cbuf, shader);
634    virgl_encoder_write_dword(ctx->cbuf, index);
635    if (data)
636       virgl_encoder_write_block(ctx->cbuf, data, size * 4);
637    return 0;
638 }
639 
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)640 int virgl_encoder_set_uniform_buffer(struct virgl_context *ctx,
641                                      uint32_t shader,
642                                      uint32_t index,
643                                      uint32_t offset,
644                                      uint32_t length,
645                                      struct virgl_resource *res)
646 {
647    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_UNIFORM_BUFFER, 0, VIRGL_SET_UNIFORM_BUFFER_SIZE));
648    virgl_encoder_write_dword(ctx->cbuf, shader);
649    virgl_encoder_write_dword(ctx->cbuf, index);
650    virgl_encoder_write_dword(ctx->cbuf, offset);
651    virgl_encoder_write_dword(ctx->cbuf, length);
652    virgl_encoder_write_res(ctx, res);
653    return 0;
654 }
655 
656 
virgl_encoder_set_stencil_ref(struct virgl_context * ctx,const struct pipe_stencil_ref * ref)657 int virgl_encoder_set_stencil_ref(struct virgl_context *ctx,
658                                  const struct pipe_stencil_ref *ref)
659 {
660    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_STENCIL_REF, 0, VIRGL_SET_STENCIL_REF_SIZE));
661    virgl_encoder_write_dword(ctx->cbuf, VIRGL_STENCIL_REF_VAL(ref->ref_value[0] , (ref->ref_value[1])));
662    return 0;
663 }
664 
virgl_encoder_set_blend_color(struct virgl_context * ctx,const struct pipe_blend_color * color)665 int virgl_encoder_set_blend_color(struct virgl_context *ctx,
666                                  const struct pipe_blend_color *color)
667 {
668    int i;
669    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_BLEND_COLOR, 0, VIRGL_SET_BLEND_COLOR_SIZE));
670    for (i = 0; i < 4; i++)
671       virgl_encoder_write_dword(ctx->cbuf, fui(color->color[i]));
672    return 0;
673 }
674 
virgl_encoder_set_scissor_state(struct virgl_context * ctx,unsigned start_slot,int num_scissors,const struct pipe_scissor_state * ss)675 int virgl_encoder_set_scissor_state(struct virgl_context *ctx,
676                                     unsigned start_slot,
677                                     int num_scissors,
678                                     const struct pipe_scissor_state *ss)
679 {
680    int i;
681    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_SCISSOR_STATE, 0, VIRGL_SET_SCISSOR_STATE_SIZE(num_scissors)));
682    virgl_encoder_write_dword(ctx->cbuf, start_slot);
683    for (i = 0; i < num_scissors; i++) {
684       virgl_encoder_write_dword(ctx->cbuf, (ss[i].minx | ss[i].miny << 16));
685       virgl_encoder_write_dword(ctx->cbuf, (ss[i].maxx | ss[i].maxy << 16));
686    }
687    return 0;
688 }
689 
virgl_encoder_set_polygon_stipple(struct virgl_context * ctx,const struct pipe_poly_stipple * ps)690 void virgl_encoder_set_polygon_stipple(struct virgl_context *ctx,
691                                       const struct pipe_poly_stipple *ps)
692 {
693    int i;
694    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_POLYGON_STIPPLE, 0, VIRGL_POLYGON_STIPPLE_SIZE));
695    for (i = 0; i < VIRGL_POLYGON_STIPPLE_SIZE; i++) {
696       virgl_encoder_write_dword(ctx->cbuf, ps->stipple[i]);
697    }
698 }
699 
virgl_encoder_set_sample_mask(struct virgl_context * ctx,unsigned sample_mask)700 void virgl_encoder_set_sample_mask(struct virgl_context *ctx,
701                                   unsigned sample_mask)
702 {
703    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_SAMPLE_MASK, 0, VIRGL_SET_SAMPLE_MASK_SIZE));
704    virgl_encoder_write_dword(ctx->cbuf, sample_mask);
705 }
706 
virgl_encoder_set_clip_state(struct virgl_context * ctx,const struct pipe_clip_state * clip)707 void virgl_encoder_set_clip_state(struct virgl_context *ctx,
708                                  const struct pipe_clip_state *clip)
709 {
710    int i, j;
711    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_CLIP_STATE, 0, VIRGL_SET_CLIP_STATE_SIZE));
712    for (i = 0; i < VIRGL_MAX_CLIP_PLANES; i++) {
713       for (j = 0; j < 4; j++) {
714          virgl_encoder_write_dword(ctx->cbuf, fui(clip->ucp[i][j]));
715       }
716    }
717 }
718 
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)719 int virgl_encode_resource_copy_region(struct virgl_context *ctx,
720                                      struct virgl_resource *dst_res,
721                                      unsigned dst_level,
722                                      unsigned dstx, unsigned dsty, unsigned dstz,
723                                      struct virgl_resource *src_res,
724                                      unsigned src_level,
725                                      const struct pipe_box *src_box)
726 {
727    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_RESOURCE_COPY_REGION, 0, VIRGL_CMD_RESOURCE_COPY_REGION_SIZE));
728    virgl_encoder_write_res(ctx, dst_res);
729    virgl_encoder_write_dword(ctx->cbuf, dst_level);
730    virgl_encoder_write_dword(ctx->cbuf, dstx);
731    virgl_encoder_write_dword(ctx->cbuf, dsty);
732    virgl_encoder_write_dword(ctx->cbuf, dstz);
733    virgl_encoder_write_res(ctx, src_res);
734    virgl_encoder_write_dword(ctx->cbuf, src_level);
735    virgl_encoder_write_dword(ctx->cbuf, src_box->x);
736    virgl_encoder_write_dword(ctx->cbuf, src_box->y);
737    virgl_encoder_write_dword(ctx->cbuf, src_box->z);
738    virgl_encoder_write_dword(ctx->cbuf, src_box->width);
739    virgl_encoder_write_dword(ctx->cbuf, src_box->height);
740    virgl_encoder_write_dword(ctx->cbuf, src_box->depth);
741    return 0;
742 }
743 
virgl_encode_blit(struct virgl_context * ctx,struct virgl_resource * dst_res,struct virgl_resource * src_res,const struct pipe_blit_info * blit)744 int virgl_encode_blit(struct virgl_context *ctx,
745                      struct virgl_resource *dst_res,
746                      struct virgl_resource *src_res,
747                      const struct pipe_blit_info *blit)
748 {
749    uint32_t tmp;
750    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_BLIT, 0, VIRGL_CMD_BLIT_SIZE));
751    tmp = VIRGL_CMD_BLIT_S0_MASK(blit->mask) |
752       VIRGL_CMD_BLIT_S0_FILTER(blit->filter) |
753       VIRGL_CMD_BLIT_S0_SCISSOR_ENABLE(blit->scissor_enable) |
754       VIRGL_CMD_BLIT_S0_RENDER_CONDITION_ENABLE(blit->render_condition_enable) |
755       VIRGL_CMD_BLIT_S0_ALPHA_BLEND(blit->alpha_blend);
756    virgl_encoder_write_dword(ctx->cbuf, tmp);
757    virgl_encoder_write_dword(ctx->cbuf, (blit->scissor.minx | blit->scissor.miny << 16));
758    virgl_encoder_write_dword(ctx->cbuf, (blit->scissor.maxx | blit->scissor.maxy << 16));
759 
760    virgl_encoder_write_res(ctx, dst_res);
761    virgl_encoder_write_dword(ctx->cbuf, blit->dst.level);
762    virgl_encoder_write_dword(ctx->cbuf, blit->dst.format);
763    virgl_encoder_write_dword(ctx->cbuf, blit->dst.box.x);
764    virgl_encoder_write_dword(ctx->cbuf, blit->dst.box.y);
765    virgl_encoder_write_dword(ctx->cbuf, blit->dst.box.z);
766    virgl_encoder_write_dword(ctx->cbuf, blit->dst.box.width);
767    virgl_encoder_write_dword(ctx->cbuf, blit->dst.box.height);
768    virgl_encoder_write_dword(ctx->cbuf, blit->dst.box.depth);
769 
770    virgl_encoder_write_res(ctx, src_res);
771    virgl_encoder_write_dword(ctx->cbuf, blit->src.level);
772    virgl_encoder_write_dword(ctx->cbuf, blit->src.format);
773    virgl_encoder_write_dword(ctx->cbuf, blit->src.box.x);
774    virgl_encoder_write_dword(ctx->cbuf, blit->src.box.y);
775    virgl_encoder_write_dword(ctx->cbuf, blit->src.box.z);
776    virgl_encoder_write_dword(ctx->cbuf, blit->src.box.width);
777    virgl_encoder_write_dword(ctx->cbuf, blit->src.box.height);
778    virgl_encoder_write_dword(ctx->cbuf, blit->src.box.depth);
779    return 0;
780 }
781 
virgl_encoder_create_query(struct virgl_context * ctx,uint32_t handle,uint query_type,uint query_index,struct virgl_resource * res,uint32_t offset)782 int virgl_encoder_create_query(struct virgl_context *ctx,
783                               uint32_t handle,
784                               uint query_type,
785                               uint query_index,
786                               struct virgl_resource *res,
787                               uint32_t offset)
788 {
789    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CREATE_OBJECT, VIRGL_OBJECT_QUERY, VIRGL_OBJ_QUERY_SIZE));
790    virgl_encoder_write_dword(ctx->cbuf, handle);
791    virgl_encoder_write_dword(ctx->cbuf, ((query_type & 0xffff) | (query_index << 16)));
792    virgl_encoder_write_dword(ctx->cbuf, offset);
793    virgl_encoder_write_res(ctx, res);
794    return 0;
795 }
796 
virgl_encoder_begin_query(struct virgl_context * ctx,uint32_t handle)797 int virgl_encoder_begin_query(struct virgl_context *ctx,
798                              uint32_t handle)
799 {
800    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_BEGIN_QUERY, 0, 1));
801    virgl_encoder_write_dword(ctx->cbuf, handle);
802    return 0;
803 }
804 
virgl_encoder_end_query(struct virgl_context * ctx,uint32_t handle)805 int virgl_encoder_end_query(struct virgl_context *ctx,
806                            uint32_t handle)
807 {
808    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_END_QUERY, 0, 1));
809    virgl_encoder_write_dword(ctx->cbuf, handle);
810    return 0;
811 }
812 
virgl_encoder_get_query_result(struct virgl_context * ctx,uint32_t handle,boolean wait)813 int virgl_encoder_get_query_result(struct virgl_context *ctx,
814                                   uint32_t handle, boolean wait)
815 {
816    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_GET_QUERY_RESULT, 0, 2));
817    virgl_encoder_write_dword(ctx->cbuf, handle);
818    virgl_encoder_write_dword(ctx->cbuf, wait ? 1 : 0);
819    return 0;
820 }
821 
virgl_encoder_render_condition(struct virgl_context * ctx,uint32_t handle,boolean condition,enum pipe_render_cond_flag mode)822 int virgl_encoder_render_condition(struct virgl_context *ctx,
823                                   uint32_t handle, boolean condition,
824                                   enum pipe_render_cond_flag mode)
825 {
826    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_RENDER_CONDITION, 0, VIRGL_RENDER_CONDITION_SIZE));
827    virgl_encoder_write_dword(ctx->cbuf, handle);
828    virgl_encoder_write_dword(ctx->cbuf, condition);
829    virgl_encoder_write_dword(ctx->cbuf, mode);
830    return 0;
831 }
832 
virgl_encoder_set_so_targets(struct virgl_context * ctx,unsigned num_targets,struct pipe_stream_output_target ** targets,unsigned append_bitmask)833 int virgl_encoder_set_so_targets(struct virgl_context *ctx,
834                                 unsigned num_targets,
835                                 struct pipe_stream_output_target **targets,
836                                 unsigned append_bitmask)
837 {
838    int i;
839 
840    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_STREAMOUT_TARGETS, 0, num_targets + 1));
841    virgl_encoder_write_dword(ctx->cbuf, append_bitmask);
842    for (i = 0; i < num_targets; i++) {
843       struct virgl_so_target *tg = virgl_so_target(targets[i]);
844       virgl_encoder_write_dword(ctx->cbuf, tg->handle);
845    }
846    return 0;
847 }
848 
849 
virgl_encoder_set_sub_ctx(struct virgl_context * ctx,uint32_t sub_ctx_id)850 int virgl_encoder_set_sub_ctx(struct virgl_context *ctx, uint32_t sub_ctx_id)
851 {
852    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_SUB_CTX, 0, 1));
853    virgl_encoder_write_dword(ctx->cbuf, sub_ctx_id);
854    return 0;
855 }
856 
virgl_encoder_create_sub_ctx(struct virgl_context * ctx,uint32_t sub_ctx_id)857 int virgl_encoder_create_sub_ctx(struct virgl_context *ctx, uint32_t sub_ctx_id)
858 {
859    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_CREATE_SUB_CTX, 0, 1));
860    virgl_encoder_write_dword(ctx->cbuf, sub_ctx_id);
861    return 0;
862 }
863 
virgl_encoder_destroy_sub_ctx(struct virgl_context * ctx,uint32_t sub_ctx_id)864 int virgl_encoder_destroy_sub_ctx(struct virgl_context *ctx, uint32_t sub_ctx_id)
865 {
866    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_DESTROY_SUB_CTX, 0, 1));
867    virgl_encoder_write_dword(ctx->cbuf, sub_ctx_id);
868    return 0;
869 }
870 
virgl_encode_bind_shader(struct virgl_context * ctx,uint32_t handle,uint32_t type)871 int virgl_encode_bind_shader(struct virgl_context *ctx,
872                              uint32_t handle, uint32_t type)
873 {
874    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_BIND_SHADER, 0, 2));
875    virgl_encoder_write_dword(ctx->cbuf, handle);
876    virgl_encoder_write_dword(ctx->cbuf, type);
877    return 0;
878 }
879