xref: /aosp_15_r20/external/mesa3d/src/gallium/drivers/freedreno/a4xx/fd4_emit.c (revision 6104692788411f58d303aa86923a9ff6ecaded22)
1 /*
2  * Copyright © 2014 Rob Clark <[email protected]>
3  * SPDX-License-Identifier: MIT
4  *
5  * Authors:
6  *    Rob Clark <[email protected]>
7  */
8 
9 #include "pipe/p_state.h"
10 #include "util/format/u_format.h"
11 #include "util/u_helpers.h"
12 #include "util/u_memory.h"
13 #include "util/u_string.h"
14 #include "util/u_viewport.h"
15 
16 #include "freedreno_query_hw.h"
17 #include "freedreno_resource.h"
18 
19 #include "fd4_blend.h"
20 #include "fd4_context.h"
21 #include "fd4_emit.h"
22 #include "fd4_format.h"
23 #include "fd4_image.h"
24 #include "fd4_program.h"
25 #include "fd4_rasterizer.h"
26 #include "fd4_texture.h"
27 #include "fd4_zsa.h"
28 
29 #define emit_const_user fd4_emit_const_user
30 #define emit_const_bo   fd4_emit_const_bo
31 #include "ir3_const.h"
32 
33 /* regid:          base const register
34  * prsc or dwords: buffer containing constant values
35  * sizedwords:     size of const value buffer
36  */
37 static void
fd4_emit_const_user(struct fd_ringbuffer * ring,const struct ir3_shader_variant * v,uint32_t regid,uint32_t sizedwords,const uint32_t * dwords)38 fd4_emit_const_user(struct fd_ringbuffer *ring,
39                     const struct ir3_shader_variant *v, uint32_t regid,
40                     uint32_t sizedwords, const uint32_t *dwords)
41 {
42    emit_const_asserts(ring, v, regid, sizedwords);
43 
44    OUT_PKT3(ring, CP_LOAD_STATE4, 2 + sizedwords);
45    OUT_RING(ring, CP_LOAD_STATE4_0_DST_OFF(regid / 4) |
46                      CP_LOAD_STATE4_0_STATE_SRC(SS4_DIRECT) |
47                      CP_LOAD_STATE4_0_STATE_BLOCK(fd4_stage2shadersb(v->type)) |
48                      CP_LOAD_STATE4_0_NUM_UNIT(sizedwords / 4));
49    OUT_RING(ring, CP_LOAD_STATE4_1_EXT_SRC_ADDR(0) |
50                      CP_LOAD_STATE4_1_STATE_TYPE(ST4_CONSTANTS));
51    for (int i = 0; i < sizedwords; i++)
52       OUT_RING(ring, dwords[i]);
53 }
54 
55 static void
fd4_emit_const_bo(struct fd_ringbuffer * ring,const struct ir3_shader_variant * v,uint32_t regid,uint32_t offset,uint32_t sizedwords,struct fd_bo * bo)56 fd4_emit_const_bo(struct fd_ringbuffer *ring,
57                   const struct ir3_shader_variant *v, uint32_t regid,
58                   uint32_t offset, uint32_t sizedwords, struct fd_bo *bo)
59 {
60    uint32_t dst_off = regid / 4;
61    assert(dst_off % 4 == 0);
62    uint32_t num_unit = sizedwords / 4;
63    assert(num_unit % 4 == 0);
64 
65    emit_const_asserts(ring, v, regid, sizedwords);
66 
67    OUT_PKT3(ring, CP_LOAD_STATE4, 2);
68    OUT_RING(ring, CP_LOAD_STATE4_0_DST_OFF(dst_off) |
69                      CP_LOAD_STATE4_0_STATE_SRC(SS4_INDIRECT) |
70                      CP_LOAD_STATE4_0_STATE_BLOCK(fd4_stage2shadersb(v->type)) |
71                      CP_LOAD_STATE4_0_NUM_UNIT(num_unit));
72    OUT_RELOC(ring, bo, offset, CP_LOAD_STATE4_1_STATE_TYPE(ST4_CONSTANTS), 0);
73 }
74 
75 static void
fd4_emit_const_ptrs(struct fd_ringbuffer * ring,gl_shader_stage type,uint32_t regid,uint32_t num,struct fd_bo ** bos,uint32_t * offsets)76 fd4_emit_const_ptrs(struct fd_ringbuffer *ring, gl_shader_stage type,
77                     uint32_t regid, uint32_t num, struct fd_bo **bos,
78                     uint32_t *offsets)
79 {
80    uint32_t anum = align(num, 4);
81    uint32_t i;
82 
83    assert((regid % 4) == 0);
84 
85    OUT_PKT3(ring, CP_LOAD_STATE4, 2 + anum);
86    OUT_RING(ring, CP_LOAD_STATE4_0_DST_OFF(regid / 4) |
87                      CP_LOAD_STATE4_0_STATE_SRC(SS4_DIRECT) |
88                      CP_LOAD_STATE4_0_STATE_BLOCK(fd4_stage2shadersb(type)) |
89                      CP_LOAD_STATE4_0_NUM_UNIT(anum / 4));
90    OUT_RING(ring, CP_LOAD_STATE4_1_EXT_SRC_ADDR(0) |
91                      CP_LOAD_STATE4_1_STATE_TYPE(ST4_CONSTANTS));
92 
93    for (i = 0; i < num; i++) {
94       if (bos[i]) {
95          OUT_RELOC(ring, bos[i], offsets[i], 0, 0);
96       } else {
97          OUT_RING(ring, 0xbad00000 | (i << 16));
98       }
99    }
100 
101    for (; i < anum; i++)
102       OUT_RING(ring, 0xffffffff);
103 }
104 
105 static bool
is_stateobj(struct fd_ringbuffer * ring)106 is_stateobj(struct fd_ringbuffer *ring)
107 {
108    return false;
109 }
110 
111 static void
emit_const_ptrs(struct fd_ringbuffer * ring,const struct ir3_shader_variant * v,uint32_t dst_offset,uint32_t num,struct fd_bo ** bos,uint32_t * offsets)112 emit_const_ptrs(struct fd_ringbuffer *ring, const struct ir3_shader_variant *v,
113                 uint32_t dst_offset, uint32_t num, struct fd_bo **bos,
114                 uint32_t *offsets)
115 {
116    /* TODO inline this */
117    assert(dst_offset + num <= v->constlen * 4);
118    fd4_emit_const_ptrs(ring, v->type, dst_offset, num, bos, offsets);
119 }
120 
121 void
fd4_emit_cs_consts(const struct ir3_shader_variant * v,struct fd_ringbuffer * ring,struct fd_context * ctx,const struct pipe_grid_info * info)122 fd4_emit_cs_consts(const struct ir3_shader_variant *v,
123                    struct fd_ringbuffer *ring, struct fd_context *ctx,
124                    const struct pipe_grid_info *info)
125 {
126    ir3_emit_cs_consts(v, ring, ctx, info);
127 }
128 
129 static void
emit_textures(struct fd_context * ctx,struct fd_ringbuffer * ring,enum a4xx_state_block sb,struct fd_texture_stateobj * tex,const struct ir3_shader_variant * v)130 emit_textures(struct fd_context *ctx, struct fd_ringbuffer *ring,
131               enum a4xx_state_block sb, struct fd_texture_stateobj *tex,
132               const struct ir3_shader_variant *v)
133 {
134    static const uint32_t bcolor_reg[] = {
135       [SB4_VS_TEX] = REG_A4XX_TPL1_TP_VS_BORDER_COLOR_BASE_ADDR,
136       [SB4_FS_TEX] = REG_A4XX_TPL1_TP_FS_BORDER_COLOR_BASE_ADDR,
137       [SB4_CS_TEX] = REG_A4XX_TPL1_TP_CS_BORDER_COLOR_BASE_ADDR,
138    };
139    struct fd4_context *fd4_ctx = fd4_context(ctx);
140    bool needs_border = false;
141    unsigned i;
142 
143    if (tex->num_samplers > 0 || tex->num_textures > 0) {
144       int num_samplers = tex->num_samplers;
145 
146       /* We want to always make sure that there's at least one sampler if
147        * there are going to be texture accesses. Gallium might not upload a
148        * sampler for e.g. buffer textures.
149        */
150       if (num_samplers == 0)
151          num_samplers++;
152 
153       /* not sure if this is an a420.0 workaround, but we seem
154        * to need to emit these in pairs.. emit a final dummy
155        * entry if odd # of samplers:
156        */
157       num_samplers = align(num_samplers, 2);
158 
159       /* output sampler state: */
160       OUT_PKT3(ring, CP_LOAD_STATE4, 2 + (2 * num_samplers));
161       OUT_RING(ring, CP_LOAD_STATE4_0_DST_OFF(0) |
162                         CP_LOAD_STATE4_0_STATE_SRC(SS4_DIRECT) |
163                         CP_LOAD_STATE4_0_STATE_BLOCK(sb) |
164                         CP_LOAD_STATE4_0_NUM_UNIT(num_samplers));
165       OUT_RING(ring, CP_LOAD_STATE4_1_STATE_TYPE(ST4_SHADER) |
166                         CP_LOAD_STATE4_1_EXT_SRC_ADDR(0));
167       for (i = 0; i < tex->num_samplers; i++) {
168          static const struct fd4_sampler_stateobj dummy_sampler = {};
169          const struct fd4_sampler_stateobj *sampler =
170             tex->samplers[i] ? fd4_sampler_stateobj(tex->samplers[i])
171                              : &dummy_sampler;
172          OUT_RING(ring, sampler->texsamp0);
173          OUT_RING(ring, sampler->texsamp1);
174 
175          needs_border |= sampler->needs_border;
176       }
177 
178       for (; i < num_samplers; i++) {
179          OUT_RING(ring, 0x00000000);
180          OUT_RING(ring, 0x00000000);
181       }
182    }
183 
184    if (tex->num_textures > 0) {
185       unsigned num_textures = tex->num_textures + v->astc_srgb.count + v->tg4.count;
186 
187       /* emit texture state: */
188       OUT_PKT3(ring, CP_LOAD_STATE4, 2 + (8 * num_textures));
189       OUT_RING(ring, CP_LOAD_STATE4_0_DST_OFF(0) |
190                         CP_LOAD_STATE4_0_STATE_SRC(SS4_DIRECT) |
191                         CP_LOAD_STATE4_0_STATE_BLOCK(sb) |
192                         CP_LOAD_STATE4_0_NUM_UNIT(num_textures));
193       OUT_RING(ring, CP_LOAD_STATE4_1_STATE_TYPE(ST4_CONSTANTS) |
194                         CP_LOAD_STATE4_1_EXT_SRC_ADDR(0));
195       for (i = 0; i < tex->num_textures; i++) {
196          static const struct fd4_pipe_sampler_view dummy_view = {};
197          const struct fd4_pipe_sampler_view *view =
198             tex->textures[i] ? fd4_pipe_sampler_view(tex->textures[i])
199                              : &dummy_view;
200 
201          OUT_RING(ring, view->texconst0);
202          OUT_RING(ring, view->texconst1);
203          OUT_RING(ring, view->texconst2);
204          OUT_RING(ring, view->texconst3);
205          if (view->base.texture) {
206             struct fd_resource *rsc = fd_resource(view->base.texture);
207             if (view->base.format == PIPE_FORMAT_X32_S8X24_UINT)
208                rsc = rsc->stencil;
209             OUT_RELOC(ring, rsc->bo, view->offset, view->texconst4, 0);
210          } else {
211             OUT_RING(ring, 0x00000000);
212          }
213          OUT_RING(ring, 0x00000000);
214          OUT_RING(ring, 0x00000000);
215          OUT_RING(ring, 0x00000000);
216       }
217 
218       for (i = 0; i < v->astc_srgb.count; i++) {
219          static const struct fd4_pipe_sampler_view dummy_view = {};
220          const struct fd4_pipe_sampler_view *view;
221          unsigned idx = v->astc_srgb.orig_idx[i];
222 
223          view = tex->textures[idx] ? fd4_pipe_sampler_view(tex->textures[idx])
224                                    : &dummy_view;
225 
226          assert(view->texconst0 & A4XX_TEX_CONST_0_SRGB);
227 
228          OUT_RING(ring, view->texconst0 & ~A4XX_TEX_CONST_0_SRGB);
229          OUT_RING(ring, view->texconst1);
230          OUT_RING(ring, view->texconst2);
231          OUT_RING(ring, view->texconst3);
232          if (view->base.texture) {
233             struct fd_resource *rsc = fd_resource(view->base.texture);
234             OUT_RELOC(ring, rsc->bo, view->offset, view->texconst4, 0);
235          } else {
236             OUT_RING(ring, 0x00000000);
237          }
238          OUT_RING(ring, 0x00000000);
239          OUT_RING(ring, 0x00000000);
240          OUT_RING(ring, 0x00000000);
241       }
242 
243       for (i = 0; i < v->tg4.count; i++) {
244          static const struct fd4_pipe_sampler_view dummy_view = {};
245          const struct fd4_pipe_sampler_view *view;
246          unsigned idx = v->tg4.orig_idx[i];
247 
248          view = tex->textures[idx] ? fd4_pipe_sampler_view(tex->textures[idx])
249                                    : &dummy_view;
250 
251          unsigned texconst0 = view->texconst0 & ~(0xfff << 4);
252          texconst0 |= A4XX_TEX_CONST_0_SWIZ_X(A4XX_TEX_X) |
253             A4XX_TEX_CONST_0_SWIZ_Y(A4XX_TEX_Y) |
254             A4XX_TEX_CONST_0_SWIZ_Z(A4XX_TEX_Z) |
255             A4XX_TEX_CONST_0_SWIZ_W(A4XX_TEX_W);
256 
257          /* Remap integer formats as unorm (will be fixed up in shader) */
258          if (util_format_is_pure_integer(view->base.format)) {
259             texconst0 &= ~A4XX_TEX_CONST_0_FMT__MASK;
260             switch (fd4_pipe2tex(view->base.format)) {
261             case TFMT4_8_8_8_8_UINT:
262             case TFMT4_8_8_8_8_SINT:
263                texconst0 |= A4XX_TEX_CONST_0_FMT(TFMT4_8_8_8_8_UNORM);
264                break;
265             case TFMT4_8_8_UINT:
266             case TFMT4_8_8_SINT:
267                texconst0 |= A4XX_TEX_CONST_0_FMT(TFMT4_8_8_UNORM);
268                break;
269             case TFMT4_8_UINT:
270             case TFMT4_8_SINT:
271                texconst0 |= A4XX_TEX_CONST_0_FMT(TFMT4_8_UNORM);
272                break;
273 
274             case TFMT4_16_16_16_16_UINT:
275             case TFMT4_16_16_16_16_SINT:
276                texconst0 |= A4XX_TEX_CONST_0_FMT(TFMT4_16_16_16_16_UNORM);
277                break;
278             case TFMT4_16_16_UINT:
279             case TFMT4_16_16_SINT:
280                texconst0 |= A4XX_TEX_CONST_0_FMT(TFMT4_16_16_UNORM);
281                break;
282             case TFMT4_16_UINT:
283             case TFMT4_16_SINT:
284                texconst0 |= A4XX_TEX_CONST_0_FMT(TFMT4_16_UNORM);
285                break;
286 
287             case TFMT4_32_32_32_32_UINT:
288             case TFMT4_32_32_32_32_SINT:
289                texconst0 |= A4XX_TEX_CONST_0_FMT(TFMT4_32_32_32_32_FLOAT);
290                break;
291             case TFMT4_32_32_UINT:
292             case TFMT4_32_32_SINT:
293                texconst0 |= A4XX_TEX_CONST_0_FMT(TFMT4_32_32_FLOAT);
294                break;
295             case TFMT4_32_UINT:
296             case TFMT4_32_SINT:
297                texconst0 |= A4XX_TEX_CONST_0_FMT(TFMT4_32_FLOAT);
298                break;
299 
300             case TFMT4_10_10_10_2_UINT:
301                texconst0 |= A4XX_TEX_CONST_0_FMT(TFMT4_10_10_10_2_UNORM);
302                break;
303 
304             default:
305                assert(0);
306             }
307          }
308 
309          OUT_RING(ring, texconst0);
310          OUT_RING(ring, view->texconst1);
311          OUT_RING(ring, view->texconst2);
312          OUT_RING(ring, view->texconst3);
313          if (view->base.texture) {
314             struct fd_resource *rsc = fd_resource(view->base.texture);
315             OUT_RELOC(ring, rsc->bo, view->offset, view->texconst4, 0);
316          } else {
317             OUT_RING(ring, 0x00000000);
318          }
319          OUT_RING(ring, 0x00000000);
320          OUT_RING(ring, 0x00000000);
321          OUT_RING(ring, 0x00000000);
322       }
323    } else {
324       assert(v->astc_srgb.count == 0);
325       assert(v->tg4.count == 0);
326    }
327 
328    if (needs_border) {
329       unsigned off;
330       void *ptr;
331 
332       u_upload_alloc(fd4_ctx->border_color_uploader, 0,
333                      BORDER_COLOR_UPLOAD_SIZE, BORDER_COLOR_UPLOAD_SIZE, &off,
334                      &fd4_ctx->border_color_buf, &ptr);
335 
336       fd_setup_border_colors(tex, ptr, 0);
337       OUT_PKT0(ring, bcolor_reg[sb], 1);
338       OUT_RELOC(ring, fd_resource(fd4_ctx->border_color_buf)->bo, off, 0, 0);
339 
340       u_upload_unmap(fd4_ctx->border_color_uploader);
341    }
342 }
343 
344 /* emit texture state for mem->gmem restore operation.. eventually it would
345  * be good to get rid of this and use normal CSO/etc state for more of these
346  * special cases..
347  */
348 void
fd4_emit_gmem_restore_tex(struct fd_ringbuffer * ring,unsigned nr_bufs,struct pipe_surface ** bufs)349 fd4_emit_gmem_restore_tex(struct fd_ringbuffer *ring, unsigned nr_bufs,
350                           struct pipe_surface **bufs)
351 {
352    unsigned char mrt_comp[A4XX_MAX_RENDER_TARGETS];
353    int i;
354 
355    for (i = 0; i < A4XX_MAX_RENDER_TARGETS; i++) {
356       mrt_comp[i] = (i < nr_bufs) ? 0xf : 0;
357    }
358 
359    /* output sampler state: */
360    OUT_PKT3(ring, CP_LOAD_STATE4, 2 + (2 * nr_bufs));
361    OUT_RING(ring, CP_LOAD_STATE4_0_DST_OFF(0) |
362                      CP_LOAD_STATE4_0_STATE_SRC(SS4_DIRECT) |
363                      CP_LOAD_STATE4_0_STATE_BLOCK(SB4_FS_TEX) |
364                      CP_LOAD_STATE4_0_NUM_UNIT(nr_bufs));
365    OUT_RING(ring, CP_LOAD_STATE4_1_STATE_TYPE(ST4_SHADER) |
366                      CP_LOAD_STATE4_1_EXT_SRC_ADDR(0));
367    for (i = 0; i < nr_bufs; i++) {
368       OUT_RING(ring, A4XX_TEX_SAMP_0_XY_MAG(A4XX_TEX_NEAREST) |
369                         A4XX_TEX_SAMP_0_XY_MIN(A4XX_TEX_NEAREST) |
370                         A4XX_TEX_SAMP_0_WRAP_S(A4XX_TEX_CLAMP_TO_EDGE) |
371                         A4XX_TEX_SAMP_0_WRAP_T(A4XX_TEX_CLAMP_TO_EDGE) |
372                         A4XX_TEX_SAMP_0_WRAP_R(A4XX_TEX_REPEAT));
373       OUT_RING(ring, 0x00000000);
374    }
375 
376    /* emit texture state: */
377    OUT_PKT3(ring, CP_LOAD_STATE4, 2 + (8 * nr_bufs));
378    OUT_RING(ring, CP_LOAD_STATE4_0_DST_OFF(0) |
379                      CP_LOAD_STATE4_0_STATE_SRC(SS4_DIRECT) |
380                      CP_LOAD_STATE4_0_STATE_BLOCK(SB4_FS_TEX) |
381                      CP_LOAD_STATE4_0_NUM_UNIT(nr_bufs));
382    OUT_RING(ring, CP_LOAD_STATE4_1_STATE_TYPE(ST4_CONSTANTS) |
383                      CP_LOAD_STATE4_1_EXT_SRC_ADDR(0));
384    for (i = 0; i < nr_bufs; i++) {
385       if (bufs[i]) {
386          struct fd_resource *rsc = fd_resource(bufs[i]->texture);
387          enum pipe_format format = fd_gmem_restore_format(bufs[i]->format);
388 
389          /* The restore blit_zs shader expects stencil in sampler 0,
390           * and depth in sampler 1
391           */
392          if (rsc->stencil && (i == 0)) {
393             rsc = rsc->stencil;
394             format = fd_gmem_restore_format(rsc->b.b.format);
395          }
396 
397          /* note: PIPE_BUFFER disallowed for surfaces */
398          unsigned lvl = bufs[i]->u.tex.level;
399          unsigned offset =
400             fd_resource_offset(rsc, lvl, bufs[i]->u.tex.first_layer);
401 
402          /* z32 restore is accomplished using depth write.  If there is
403           * no stencil component (ie. PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)
404           * then no render target:
405           *
406           * (The same applies for z32_s8x24, since for stencil sampler
407           * state the above 'if' will replace 'format' with s8)
408           */
409          if ((format == PIPE_FORMAT_Z32_FLOAT) ||
410              (format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT))
411             mrt_comp[i] = 0;
412 
413          assert(bufs[i]->u.tex.first_layer == bufs[i]->u.tex.last_layer);
414 
415          OUT_RING(ring, A4XX_TEX_CONST_0_FMT(fd4_pipe2tex(format)) |
416                            A4XX_TEX_CONST_0_TYPE(A4XX_TEX_2D) |
417                            fd4_tex_swiz(format, PIPE_SWIZZLE_X, PIPE_SWIZZLE_Y,
418                                         PIPE_SWIZZLE_Z, PIPE_SWIZZLE_W));
419          OUT_RING(ring, A4XX_TEX_CONST_1_WIDTH(bufs[i]->width) |
420                            A4XX_TEX_CONST_1_HEIGHT(bufs[i]->height));
421          OUT_RING(ring, A4XX_TEX_CONST_2_PITCH(fd_resource_pitch(rsc, lvl)));
422          OUT_RING(ring, 0x00000000);
423          OUT_RELOC(ring, rsc->bo, offset, 0, 0);
424          OUT_RING(ring, 0x00000000);
425          OUT_RING(ring, 0x00000000);
426          OUT_RING(ring, 0x00000000);
427       } else {
428          OUT_RING(ring, A4XX_TEX_CONST_0_FMT(0) |
429                            A4XX_TEX_CONST_0_TYPE(A4XX_TEX_2D) |
430                            A4XX_TEX_CONST_0_SWIZ_X(A4XX_TEX_ONE) |
431                            A4XX_TEX_CONST_0_SWIZ_Y(A4XX_TEX_ONE) |
432                            A4XX_TEX_CONST_0_SWIZ_Z(A4XX_TEX_ONE) |
433                            A4XX_TEX_CONST_0_SWIZ_W(A4XX_TEX_ONE));
434          OUT_RING(ring, A4XX_TEX_CONST_1_WIDTH(0) | A4XX_TEX_CONST_1_HEIGHT(0));
435          OUT_RING(ring, A4XX_TEX_CONST_2_PITCH(0));
436          OUT_RING(ring, 0x00000000);
437          OUT_RING(ring, 0x00000000);
438          OUT_RING(ring, 0x00000000);
439          OUT_RING(ring, 0x00000000);
440          OUT_RING(ring, 0x00000000);
441       }
442    }
443 
444    OUT_PKT0(ring, REG_A4XX_RB_RENDER_COMPONENTS, 1);
445    OUT_RING(ring, A4XX_RB_RENDER_COMPONENTS_RT0(mrt_comp[0]) |
446                      A4XX_RB_RENDER_COMPONENTS_RT1(mrt_comp[1]) |
447                      A4XX_RB_RENDER_COMPONENTS_RT2(mrt_comp[2]) |
448                      A4XX_RB_RENDER_COMPONENTS_RT3(mrt_comp[3]) |
449                      A4XX_RB_RENDER_COMPONENTS_RT4(mrt_comp[4]) |
450                      A4XX_RB_RENDER_COMPONENTS_RT5(mrt_comp[5]) |
451                      A4XX_RB_RENDER_COMPONENTS_RT6(mrt_comp[6]) |
452                      A4XX_RB_RENDER_COMPONENTS_RT7(mrt_comp[7]));
453 }
454 
455 static void
emit_ssbos(struct fd_context * ctx,struct fd_ringbuffer * ring,enum a4xx_state_block sb,struct fd_shaderbuf_stateobj * so)456 emit_ssbos(struct fd_context *ctx, struct fd_ringbuffer *ring,
457       enum a4xx_state_block sb, struct fd_shaderbuf_stateobj *so)
458 {
459    unsigned count = util_last_bit(so->enabled_mask);
460 
461    if (count == 0)
462       return;
463 
464    OUT_PKT3(ring, CP_LOAD_STATE4, 2 + (4 * count));
465    OUT_RING(ring, CP_LOAD_STATE4_0_DST_OFF(0) |
466          CP_LOAD_STATE4_0_STATE_SRC(SS4_DIRECT) |
467          CP_LOAD_STATE4_0_STATE_BLOCK(sb) |
468          CP_LOAD_STATE4_0_NUM_UNIT(count));
469    OUT_RING(ring, CP_LOAD_STATE4_1_STATE_TYPE(0) |
470          CP_LOAD_STATE4_1_EXT_SRC_ADDR(0));
471    for (unsigned i = 0; i < count; i++) {
472       struct pipe_shader_buffer *buf = &so->sb[i];
473       if (buf->buffer) {
474          struct fd_resource *rsc = fd_resource(buf->buffer);
475          OUT_RELOC(ring, rsc->bo, buf->buffer_offset, 0, 0);
476       } else {
477          OUT_RING(ring, 0x00000000);
478       }
479       OUT_RING(ring, 0x00000000);
480       OUT_RING(ring, 0x00000000);
481       OUT_RING(ring, 0x00000000);
482    }
483 
484    OUT_PKT3(ring, CP_LOAD_STATE4, 2 + (2 * count));
485    OUT_RING(ring, CP_LOAD_STATE4_0_DST_OFF(0) |
486          CP_LOAD_STATE4_0_STATE_SRC(SS4_DIRECT) |
487          CP_LOAD_STATE4_0_STATE_BLOCK(sb) |
488          CP_LOAD_STATE4_0_NUM_UNIT(count));
489    OUT_RING(ring, CP_LOAD_STATE4_1_STATE_TYPE(1) |
490          CP_LOAD_STATE4_1_EXT_SRC_ADDR(0));
491    for (unsigned i = 0; i < count; i++) {
492       struct pipe_shader_buffer *buf = &so->sb[i];
493       unsigned sz = buf->buffer_size;
494 
495       /* width is in dwords, overflows into height: */
496       sz /= 4;
497 
498       OUT_RING(ring, A4XX_SSBO_1_0_WIDTH(sz));
499       OUT_RING(ring, A4XX_SSBO_1_1_HEIGHT(sz >> 16));
500    }
501 }
502 
503 void
fd4_emit_vertex_bufs(struct fd_ringbuffer * ring,struct fd4_emit * emit)504 fd4_emit_vertex_bufs(struct fd_ringbuffer *ring, struct fd4_emit *emit)
505 {
506    int32_t i, j, last = -1;
507    uint32_t total_in = 0;
508    const struct fd_vertex_state *vtx = emit->vtx;
509    const struct ir3_shader_variant *vp = fd4_emit_get_vp(emit);
510    unsigned vertex_regid = regid(63, 0);
511    unsigned instance_regid = regid(63, 0);
512    unsigned vtxcnt_regid = regid(63, 0);
513 
514    /* Note that sysvals come *after* normal inputs: */
515    for (i = 0; i < vp->inputs_count; i++) {
516       if (!vp->inputs[i].compmask)
517          continue;
518       if (vp->inputs[i].sysval) {
519          switch (vp->inputs[i].slot) {
520          case SYSTEM_VALUE_VERTEX_ID_ZERO_BASE:
521             vertex_regid = vp->inputs[i].regid;
522             break;
523          case SYSTEM_VALUE_INSTANCE_ID:
524             instance_regid = vp->inputs[i].regid;
525             break;
526          case SYSTEM_VALUE_VERTEX_CNT:
527             vtxcnt_regid = vp->inputs[i].regid;
528             break;
529          default:
530             unreachable("invalid system value");
531             break;
532          }
533       } else if (i < vtx->vtx->num_elements) {
534          last = i;
535       }
536    }
537 
538    for (i = 0, j = 0; i <= last; i++) {
539       assert(!vp->inputs[i].sysval);
540       if (vp->inputs[i].compmask) {
541          struct pipe_vertex_element *elem = &vtx->vtx->pipe[i];
542          const struct pipe_vertex_buffer *vb =
543             &vtx->vertexbuf.vb[elem->vertex_buffer_index];
544          struct fd_resource *rsc = fd_resource(vb->buffer.resource);
545          enum pipe_format pfmt = elem->src_format;
546          enum a4xx_vtx_fmt fmt = fd4_pipe2vtx(pfmt);
547          bool switchnext = (i != last) || (vertex_regid != regid(63, 0)) ||
548                            (instance_regid != regid(63, 0)) ||
549                            (vtxcnt_regid != regid(63, 0));
550          bool isint = util_format_is_pure_integer(pfmt);
551          uint32_t fs = util_format_get_blocksize(pfmt);
552          uint32_t off = vb->buffer_offset + elem->src_offset;
553          uint32_t size = vb->buffer.resource->width0 - off;
554          assert(fmt != VFMT4_NONE);
555 
556          OUT_PKT0(ring, REG_A4XX_VFD_FETCH(j), 4);
557          OUT_RING(ring, A4XX_VFD_FETCH_INSTR_0_FETCHSIZE(fs - 1) |
558                            A4XX_VFD_FETCH_INSTR_0_BUFSTRIDE(elem->src_stride) |
559                            COND(elem->instance_divisor,
560                                 A4XX_VFD_FETCH_INSTR_0_INSTANCED) |
561                            COND(switchnext, A4XX_VFD_FETCH_INSTR_0_SWITCHNEXT));
562          OUT_RELOC(ring, rsc->bo, off, 0, 0);
563          OUT_RING(ring, A4XX_VFD_FETCH_INSTR_2_SIZE(size));
564          OUT_RING(ring, A4XX_VFD_FETCH_INSTR_3_STEPRATE(
565                            MAX2(1, elem->instance_divisor)));
566 
567          OUT_PKT0(ring, REG_A4XX_VFD_DECODE_INSTR(j), 1);
568          OUT_RING(ring,
569                   A4XX_VFD_DECODE_INSTR_CONSTFILL |
570                      A4XX_VFD_DECODE_INSTR_WRITEMASK(vp->inputs[i].compmask) |
571                      A4XX_VFD_DECODE_INSTR_FORMAT(fmt) |
572                      A4XX_VFD_DECODE_INSTR_SWAP(fd4_pipe2swap(pfmt)) |
573                      A4XX_VFD_DECODE_INSTR_REGID(vp->inputs[i].regid) |
574                      A4XX_VFD_DECODE_INSTR_SHIFTCNT(fs) |
575                      A4XX_VFD_DECODE_INSTR_LASTCOMPVALID |
576                      COND(isint, A4XX_VFD_DECODE_INSTR_INT) |
577                      COND(switchnext, A4XX_VFD_DECODE_INSTR_SWITCHNEXT));
578 
579          total_in += util_bitcount(vp->inputs[i].compmask);
580          j++;
581       }
582    }
583 
584    /* hw doesn't like to be configured for zero vbo's, it seems: */
585    if (last < 0) {
586       /* just recycle the shader bo, we just need to point to *something*
587        * valid:
588        */
589       struct fd_bo *dummy_vbo = vp->bo;
590       bool switchnext = (vertex_regid != regid(63, 0)) ||
591                         (instance_regid != regid(63, 0)) ||
592                         (vtxcnt_regid != regid(63, 0));
593 
594       OUT_PKT0(ring, REG_A4XX_VFD_FETCH(0), 4);
595       OUT_RING(ring, A4XX_VFD_FETCH_INSTR_0_FETCHSIZE(0) |
596                         A4XX_VFD_FETCH_INSTR_0_BUFSTRIDE(0) |
597                         COND(switchnext, A4XX_VFD_FETCH_INSTR_0_SWITCHNEXT));
598       OUT_RELOC(ring, dummy_vbo, 0, 0, 0);
599       OUT_RING(ring, A4XX_VFD_FETCH_INSTR_2_SIZE(1));
600       OUT_RING(ring, A4XX_VFD_FETCH_INSTR_3_STEPRATE(1));
601 
602       OUT_PKT0(ring, REG_A4XX_VFD_DECODE_INSTR(0), 1);
603       OUT_RING(ring, A4XX_VFD_DECODE_INSTR_CONSTFILL |
604                         A4XX_VFD_DECODE_INSTR_WRITEMASK(0x1) |
605                         A4XX_VFD_DECODE_INSTR_FORMAT(VFMT4_8_UNORM) |
606                         A4XX_VFD_DECODE_INSTR_SWAP(XYZW) |
607                         A4XX_VFD_DECODE_INSTR_REGID(regid(0, 0)) |
608                         A4XX_VFD_DECODE_INSTR_SHIFTCNT(1) |
609                         A4XX_VFD_DECODE_INSTR_LASTCOMPVALID |
610                         COND(switchnext, A4XX_VFD_DECODE_INSTR_SWITCHNEXT));
611 
612       total_in = 1;
613       j = 1;
614    }
615 
616    OUT_PKT0(ring, REG_A4XX_VFD_CONTROL_0, 5);
617    OUT_RING(ring, A4XX_VFD_CONTROL_0_TOTALATTRTOVS(total_in) |
618                      0xa0000 | /* XXX */
619                      A4XX_VFD_CONTROL_0_STRMDECINSTRCNT(j) |
620                      A4XX_VFD_CONTROL_0_STRMFETCHINSTRCNT(j));
621    OUT_RING(ring, A4XX_VFD_CONTROL_1_MAXSTORAGE(129) | // XXX
622                      A4XX_VFD_CONTROL_1_REGID4VTX(vertex_regid) |
623                      A4XX_VFD_CONTROL_1_REGID4INST(instance_regid));
624    OUT_RING(ring, 0x00000000); /* XXX VFD_CONTROL_2 */
625    OUT_RING(ring, A4XX_VFD_CONTROL_3_REGID_VTXCNT(vtxcnt_regid));
626    OUT_RING(ring, 0x00000000); /* XXX VFD_CONTROL_4 */
627 
628    /* cache invalidate, otherwise vertex fetch could see
629     * stale vbo contents:
630     */
631    OUT_PKT0(ring, REG_A4XX_UCHE_INVALIDATE0, 2);
632    OUT_RING(ring, 0x00000000);
633    OUT_RING(ring, 0x00000012);
634 }
635 
636 void
fd4_emit_state(struct fd_context * ctx,struct fd_ringbuffer * ring,struct fd4_emit * emit)637 fd4_emit_state(struct fd_context *ctx, struct fd_ringbuffer *ring,
638                struct fd4_emit *emit)
639 {
640    const struct ir3_shader_variant *vp = fd4_emit_get_vp(emit);
641    const struct ir3_shader_variant *fp = fd4_emit_get_fp(emit);
642    const enum fd_dirty_3d_state dirty = emit->dirty;
643 
644    emit_marker(ring, 5);
645 
646    if ((dirty & FD_DIRTY_FRAMEBUFFER) && !emit->binning_pass) {
647       struct pipe_framebuffer_state *pfb = &ctx->batch->framebuffer;
648       unsigned char mrt_comp[A4XX_MAX_RENDER_TARGETS] = {0};
649 
650       for (unsigned i = 0; i < A4XX_MAX_RENDER_TARGETS; i++) {
651          mrt_comp[i] = ((i < pfb->nr_cbufs) && pfb->cbufs[i]) ? 0xf : 0;
652       }
653 
654       OUT_PKT0(ring, REG_A4XX_RB_RENDER_COMPONENTS, 1);
655       OUT_RING(ring, A4XX_RB_RENDER_COMPONENTS_RT0(mrt_comp[0]) |
656                         A4XX_RB_RENDER_COMPONENTS_RT1(mrt_comp[1]) |
657                         A4XX_RB_RENDER_COMPONENTS_RT2(mrt_comp[2]) |
658                         A4XX_RB_RENDER_COMPONENTS_RT3(mrt_comp[3]) |
659                         A4XX_RB_RENDER_COMPONENTS_RT4(mrt_comp[4]) |
660                         A4XX_RB_RENDER_COMPONENTS_RT5(mrt_comp[5]) |
661                         A4XX_RB_RENDER_COMPONENTS_RT6(mrt_comp[6]) |
662                         A4XX_RB_RENDER_COMPONENTS_RT7(mrt_comp[7]));
663    }
664 
665    if (dirty & (FD_DIRTY_ZSA | FD_DIRTY_FRAMEBUFFER)) {
666       struct fd4_zsa_stateobj *zsa = fd4_zsa_stateobj(ctx->zsa);
667       struct pipe_framebuffer_state *pfb = &ctx->batch->framebuffer;
668       uint32_t rb_alpha_control = zsa->rb_alpha_control;
669 
670       if (util_format_is_pure_integer(pipe_surface_format(pfb->cbufs[0])))
671          rb_alpha_control &= ~A4XX_RB_ALPHA_CONTROL_ALPHA_TEST;
672 
673       OUT_PKT0(ring, REG_A4XX_RB_ALPHA_CONTROL, 1);
674       OUT_RING(ring, rb_alpha_control);
675 
676       OUT_PKT0(ring, REG_A4XX_RB_STENCIL_CONTROL, 2);
677       OUT_RING(ring, zsa->rb_stencil_control);
678       OUT_RING(ring, zsa->rb_stencil_control2);
679    }
680 
681    if (dirty & (FD_DIRTY_ZSA | FD_DIRTY_STENCIL_REF)) {
682       struct fd4_zsa_stateobj *zsa = fd4_zsa_stateobj(ctx->zsa);
683       struct pipe_stencil_ref *sr = &ctx->stencil_ref;
684 
685       OUT_PKT0(ring, REG_A4XX_RB_STENCILREFMASK, 2);
686       OUT_RING(ring, zsa->rb_stencilrefmask |
687                         A4XX_RB_STENCILREFMASK_STENCILREF(sr->ref_value[0]));
688       OUT_RING(ring, zsa->rb_stencilrefmask_bf |
689                         A4XX_RB_STENCILREFMASK_BF_STENCILREF(sr->ref_value[1]));
690    }
691 
692    if (dirty & (FD_DIRTY_ZSA | FD_DIRTY_RASTERIZER | FD_DIRTY_PROG)) {
693       struct fd4_zsa_stateobj *zsa = fd4_zsa_stateobj(ctx->zsa);
694       bool fragz = fp->no_earlyz || fp->has_kill || fp->writes_pos;
695       bool latez = !fp->fs.early_fragment_tests && fragz;
696       bool clamp = !ctx->rasterizer->depth_clip_near;
697 
698       OUT_PKT0(ring, REG_A4XX_RB_DEPTH_CONTROL, 1);
699       OUT_RING(ring, zsa->rb_depth_control |
700                         COND(clamp, A4XX_RB_DEPTH_CONTROL_Z_CLAMP_ENABLE) |
701                         COND(latez, A4XX_RB_DEPTH_CONTROL_EARLY_Z_DISABLE) |
702                         COND(fragz && fp->fragcoord_compmask != 0,
703                              A4XX_RB_DEPTH_CONTROL_FORCE_FRAGZ_TO_FS));
704 
705       /* maybe this register/bitfield needs a better name.. this
706        * appears to be just disabling early-z
707        */
708       OUT_PKT0(ring, REG_A4XX_GRAS_ALPHA_CONTROL, 1);
709       OUT_RING(ring, zsa->gras_alpha_control |
710                         COND(latez, A4XX_GRAS_ALPHA_CONTROL_ALPHA_TEST_ENABLE) |
711                         COND(fragz && fp->fragcoord_compmask != 0,
712                              A4XX_GRAS_ALPHA_CONTROL_FORCE_FRAGZ_TO_FS));
713    }
714 
715    if (dirty & FD_DIRTY_RASTERIZER) {
716       struct fd4_rasterizer_stateobj *rasterizer =
717          fd4_rasterizer_stateobj(ctx->rasterizer);
718 
719       OUT_PKT0(ring, REG_A4XX_GRAS_SU_MODE_CONTROL, 1);
720       OUT_RING(ring, rasterizer->gras_su_mode_control |
721                         A4XX_GRAS_SU_MODE_CONTROL_RENDERING_PASS);
722 
723       OUT_PKT0(ring, REG_A4XX_GRAS_SU_POINT_MINMAX, 2);
724       OUT_RING(ring, rasterizer->gras_su_point_minmax);
725       OUT_RING(ring, rasterizer->gras_su_point_size);
726 
727       OUT_PKT0(ring, REG_A4XX_GRAS_SU_POLY_OFFSET_SCALE, 3);
728       OUT_RING(ring, rasterizer->gras_su_poly_offset_scale);
729       OUT_RING(ring, rasterizer->gras_su_poly_offset_offset);
730       OUT_RING(ring, rasterizer->gras_su_poly_offset_clamp);
731 
732       OUT_PKT0(ring, REG_A4XX_GRAS_CL_CLIP_CNTL, 1);
733       OUT_RING(ring, rasterizer->gras_cl_clip_cntl);
734    }
735 
736    /* NOTE: since primitive_restart is not actually part of any
737     * state object, we need to make sure that we always emit
738     * PRIM_VTX_CNTL.. either that or be more clever and detect
739     * when it changes.
740     */
741    if (emit->info) {
742       const struct pipe_draw_info *info = emit->info;
743       struct fd4_rasterizer_stateobj *rast =
744          fd4_rasterizer_stateobj(ctx->rasterizer);
745       uint32_t val = rast->pc_prim_vtx_cntl;
746 
747       if (info->index_size && info->primitive_restart)
748          val |= A4XX_PC_PRIM_VTX_CNTL_PRIMITIVE_RESTART;
749 
750       val |= COND(vp->writes_psize, A4XX_PC_PRIM_VTX_CNTL_PSIZE);
751 
752       if (fp->total_in > 0) {
753          uint32_t varout = align(fp->total_in, 16) / 16;
754          if (varout > 1)
755             varout = align(varout, 2);
756          val |= A4XX_PC_PRIM_VTX_CNTL_VAROUT(varout);
757       }
758 
759       OUT_PKT0(ring, REG_A4XX_PC_PRIM_VTX_CNTL, 2);
760       OUT_RING(ring, val);
761       OUT_RING(ring, rast->pc_prim_vtx_cntl2);
762    }
763 
764    /* NOTE: scissor enabled bit is part of rasterizer state: */
765    if (dirty & (FD_DIRTY_SCISSOR | FD_DIRTY_RASTERIZER)) {
766       struct pipe_scissor_state *scissor = fd_context_get_scissor(ctx);
767 
768       OUT_PKT0(ring, REG_A4XX_GRAS_SC_WINDOW_SCISSOR_BR, 2);
769       OUT_RING(ring, A4XX_GRAS_SC_WINDOW_SCISSOR_BR_X(scissor->maxx) |
770                         A4XX_GRAS_SC_WINDOW_SCISSOR_BR_Y(scissor->maxy));
771       OUT_RING(ring, A4XX_GRAS_SC_WINDOW_SCISSOR_TL_X(scissor->minx) |
772                         A4XX_GRAS_SC_WINDOW_SCISSOR_TL_Y(scissor->miny));
773 
774       ctx->batch->max_scissor.minx =
775          MIN2(ctx->batch->max_scissor.minx, scissor->minx);
776       ctx->batch->max_scissor.miny =
777          MIN2(ctx->batch->max_scissor.miny, scissor->miny);
778       ctx->batch->max_scissor.maxx =
779          MAX2(ctx->batch->max_scissor.maxx, scissor->maxx);
780       ctx->batch->max_scissor.maxy =
781          MAX2(ctx->batch->max_scissor.maxy, scissor->maxy);
782    }
783 
784    if (dirty & FD_DIRTY_VIEWPORT) {
785       struct pipe_viewport_state *vp = & ctx->viewport[0];
786 
787       fd_wfi(ctx->batch, ring);
788 
789       OUT_PKT0(ring, REG_A4XX_GRAS_CL_VPORT_XOFFSET_0, 6);
790       OUT_RING(ring, A4XX_GRAS_CL_VPORT_XOFFSET_0(vp->translate[0]));
791       OUT_RING(ring, A4XX_GRAS_CL_VPORT_XSCALE_0(vp->scale[0]));
792       OUT_RING(ring, A4XX_GRAS_CL_VPORT_YOFFSET_0(vp->translate[1]));
793       OUT_RING(ring, A4XX_GRAS_CL_VPORT_YSCALE_0(vp->scale[1]));
794       OUT_RING(ring, A4XX_GRAS_CL_VPORT_ZOFFSET_0(vp->translate[2]));
795       OUT_RING(ring, A4XX_GRAS_CL_VPORT_ZSCALE_0(vp->scale[2]));
796    }
797 
798    if (dirty &
799        (FD_DIRTY_VIEWPORT | FD_DIRTY_RASTERIZER | FD_DIRTY_FRAMEBUFFER)) {
800       float zmin, zmax;
801       int depth = 24;
802       if (ctx->batch->framebuffer.zsbuf) {
803          depth = util_format_get_component_bits(
804             pipe_surface_format(ctx->batch->framebuffer.zsbuf),
805             UTIL_FORMAT_COLORSPACE_ZS, 0);
806       }
807       util_viewport_zmin_zmax(&ctx->viewport[0], ctx->rasterizer->clip_halfz,
808                               &zmin, &zmax);
809 
810       OUT_PKT0(ring, REG_A4XX_RB_VPORT_Z_CLAMP(0), 2);
811       if (depth == 32) {
812          OUT_RING(ring, fui(zmin));
813          OUT_RING(ring, fui(zmax));
814       } else if (depth == 16) {
815          OUT_RING(ring, (uint32_t)(zmin * 0xffff));
816          OUT_RING(ring, (uint32_t)(zmax * 0xffff));
817       } else {
818          OUT_RING(ring, (uint32_t)(zmin * 0xffffff));
819          OUT_RING(ring, (uint32_t)(zmax * 0xffffff));
820       }
821    }
822 
823    if (dirty & (FD_DIRTY_PROG | FD_DIRTY_FRAMEBUFFER)) {
824       struct pipe_framebuffer_state *pfb = &ctx->batch->framebuffer;
825       unsigned n = pfb->nr_cbufs;
826       /* if we have depth/stencil, we need at least on MRT: */
827       if (pfb->zsbuf)
828          n = MAX2(1, n);
829       fd4_program_emit(ring, emit, n, pfb->cbufs);
830    }
831 
832    if (!emit->skip_consts) { /* evil hack to deal sanely with clear path */
833       ir3_emit_vs_consts(vp, ring, ctx, emit->info, emit->indirect, emit->draw);
834       if (!emit->binning_pass)
835          ir3_emit_fs_consts(fp, ring, ctx);
836    }
837 
838    if ((dirty & FD_DIRTY_BLEND)) {
839       struct fd4_blend_stateobj *blend = fd4_blend_stateobj(ctx->blend);
840       uint32_t i;
841 
842       for (i = 0; i < A4XX_MAX_RENDER_TARGETS; i++) {
843          enum pipe_format format =
844             pipe_surface_format(ctx->batch->framebuffer.cbufs[i]);
845          bool is_int = util_format_is_pure_integer(format);
846          bool has_alpha = util_format_has_alpha(format);
847          uint32_t control = blend->rb_mrt[i].control;
848 
849          if (is_int) {
850             control &= A4XX_RB_MRT_CONTROL_COMPONENT_ENABLE__MASK;
851             control |= A4XX_RB_MRT_CONTROL_ROP_CODE(ROP_COPY);
852          }
853 
854          if (!has_alpha) {
855             control &= ~A4XX_RB_MRT_CONTROL_BLEND2;
856          }
857 
858          OUT_PKT0(ring, REG_A4XX_RB_MRT_CONTROL(i), 1);
859          OUT_RING(ring, control);
860 
861          OUT_PKT0(ring, REG_A4XX_RB_MRT_BLEND_CONTROL(i), 1);
862          OUT_RING(ring, blend->rb_mrt[i].blend_control);
863       }
864 
865       OUT_PKT0(ring, REG_A4XX_RB_FS_OUTPUT, 1);
866       OUT_RING(ring,
867                blend->rb_fs_output | A4XX_RB_FS_OUTPUT_SAMPLE_MASK(0xffff));
868    }
869 
870    if (dirty & FD_DIRTY_BLEND_COLOR) {
871       struct pipe_blend_color *bcolor = &ctx->blend_color;
872 
873       OUT_PKT0(ring, REG_A4XX_RB_BLEND_RED, 8);
874       OUT_RING(ring, A4XX_RB_BLEND_RED_FLOAT(bcolor->color[0]) |
875                         A4XX_RB_BLEND_RED_UINT(CLAMP(bcolor->color[0], 0.f, 1.f) * 0xff) |
876                         A4XX_RB_BLEND_RED_SINT(CLAMP(bcolor->color[0], -1.f, 1.f) * 0x7f));
877       OUT_RING(ring, A4XX_RB_BLEND_RED_F32(bcolor->color[0]));
878       OUT_RING(ring, A4XX_RB_BLEND_GREEN_FLOAT(bcolor->color[1]) |
879                         A4XX_RB_BLEND_GREEN_UINT(CLAMP(bcolor->color[1], 0.f, 1.f) * 0xff) |
880                         A4XX_RB_BLEND_GREEN_SINT(CLAMP(bcolor->color[1], -1.f, 1.f) * 0x7f));
881       OUT_RING(ring, A4XX_RB_BLEND_GREEN_F32(bcolor->color[1]));
882       OUT_RING(ring, A4XX_RB_BLEND_BLUE_FLOAT(bcolor->color[2]) |
883                         A4XX_RB_BLEND_BLUE_UINT(CLAMP(bcolor->color[2], 0.f, 1.f) * 0xff) |
884                         A4XX_RB_BLEND_BLUE_SINT(CLAMP(bcolor->color[2], -1.f, 1.f) * 0x7f));
885       OUT_RING(ring, A4XX_RB_BLEND_BLUE_F32(bcolor->color[2]));
886       OUT_RING(ring, A4XX_RB_BLEND_ALPHA_FLOAT(bcolor->color[3]) |
887                         A4XX_RB_BLEND_ALPHA_UINT(CLAMP(bcolor->color[3], 0.f, 1.f) * 0xff) |
888                         A4XX_RB_BLEND_ALPHA_SINT(CLAMP(bcolor->color[3], -1.f, 1.f) * 0x7f));
889       OUT_RING(ring, A4XX_RB_BLEND_ALPHA_F32(bcolor->color[3]));
890    }
891 
892    if (ctx->dirty_shader[PIPE_SHADER_VERTEX] & FD_DIRTY_SHADER_TEX)
893       emit_textures(ctx, ring, SB4_VS_TEX, &ctx->tex[PIPE_SHADER_VERTEX], vp);
894 
895    if (ctx->dirty_shader[PIPE_SHADER_FRAGMENT] & FD_DIRTY_SHADER_TEX)
896       emit_textures(ctx, ring, SB4_FS_TEX, &ctx->tex[PIPE_SHADER_FRAGMENT], fp);
897 
898    if (!emit->binning_pass) {
899       if (ctx->dirty_shader[PIPE_SHADER_FRAGMENT] & FD_DIRTY_SHADER_SSBO)
900          emit_ssbos(ctx, ring, SB4_SSBO, &ctx->shaderbuf[PIPE_SHADER_FRAGMENT]);
901 
902       if (ctx->dirty_shader[PIPE_SHADER_FRAGMENT] & FD_DIRTY_SHADER_IMAGE)
903          fd4_emit_images(ctx, ring, PIPE_SHADER_FRAGMENT, fp);
904    }
905 }
906 
907 void
fd4_emit_cs_state(struct fd_context * ctx,struct fd_ringbuffer * ring,struct ir3_shader_variant * cp)908 fd4_emit_cs_state(struct fd_context *ctx, struct fd_ringbuffer *ring,
909                   struct ir3_shader_variant *cp)
910 {
911    enum fd_dirty_shader_state dirty = ctx->dirty_shader[PIPE_SHADER_COMPUTE];
912    unsigned num_textures = ctx->tex[PIPE_SHADER_COMPUTE].num_textures +
913       cp->astc_srgb.count +
914       cp->tg4.count;
915 
916    if (dirty & FD_DIRTY_SHADER_TEX) {
917       emit_textures(ctx, ring, SB4_CS_TEX, &ctx->tex[PIPE_SHADER_COMPUTE], cp);
918 
919       OUT_PKT0(ring, REG_A4XX_TPL1_TP_TEX_COUNT, 1);
920       OUT_RING(ring, 0);
921    }
922 
923    OUT_PKT0(ring, REG_A4XX_TPL1_TP_FS_TEX_COUNT, 1);
924    OUT_RING(ring, A4XX_TPL1_TP_FS_TEX_COUNT_CS(
925                ctx->shaderimg[PIPE_SHADER_COMPUTE].enabled_mask ? 0x80 : num_textures));
926 
927    if (dirty & FD_DIRTY_SHADER_SSBO)
928       emit_ssbos(ctx, ring, SB4_CS_SSBO, &ctx->shaderbuf[PIPE_SHADER_COMPUTE]);
929 
930    if (dirty & FD_DIRTY_SHADER_IMAGE)
931       fd4_emit_images(ctx, ring, PIPE_SHADER_COMPUTE, cp);
932 }
933 
934 /* emit setup at begin of new cmdstream buffer (don't rely on previous
935  * state, there could have been a context switch between ioctls):
936  */
937 void
fd4_emit_restore(struct fd_batch * batch,struct fd_ringbuffer * ring)938 fd4_emit_restore(struct fd_batch *batch, struct fd_ringbuffer *ring)
939 {
940    struct fd_context *ctx = batch->ctx;
941    struct fd4_context *fd4_ctx = fd4_context(ctx);
942 
943    OUT_PKT0(ring, REG_A4XX_RBBM_PERFCTR_CTL, 1);
944    OUT_RING(ring, 0x00000001);
945 
946    OUT_PKT0(ring, REG_A4XX_GRAS_DEBUG_ECO_CONTROL, 1);
947    OUT_RING(ring, 0x00000000);
948 
949    OUT_PKT0(ring, REG_A4XX_SP_MODE_CONTROL, 1);
950    OUT_RING(ring, 0x0000001e);
951 
952    OUT_PKT0(ring, REG_A4XX_TPL1_TP_MODE_CONTROL, 1);
953    OUT_RING(ring, 0x0000003a);
954 
955    OUT_PKT0(ring, REG_A4XX_UNKNOWN_0D01, 1);
956    OUT_RING(ring, 0x00000001);
957 
958    OUT_PKT0(ring, REG_A4XX_UNKNOWN_0E42, 1);
959    OUT_RING(ring, 0x00000000);
960 
961    OUT_PKT0(ring, REG_A4XX_UCHE_CACHE_WAYS_VFD, 1);
962    OUT_RING(ring, 0x00000007);
963 
964    OUT_PKT0(ring, REG_A4XX_UCHE_CACHE_MODE_CONTROL, 1);
965    OUT_RING(ring, 0x00000000);
966 
967    OUT_PKT0(ring, REG_A4XX_UCHE_INVALIDATE0, 2);
968    OUT_RING(ring, 0x00000000);
969    OUT_RING(ring, 0x00000012);
970 
971    OUT_PKT0(ring, REG_A4XX_HLSQ_MODE_CONTROL, 1);
972    OUT_RING(ring, 0x00000003);
973 
974    OUT_PKT0(ring, REG_A4XX_UNKNOWN_0CC5, 1);
975    OUT_RING(ring, 0x00000006);
976 
977    OUT_PKT0(ring, REG_A4XX_UNKNOWN_0CC6, 1);
978    OUT_RING(ring, 0x00000000);
979 
980    OUT_PKT0(ring, REG_A4XX_UNKNOWN_0EC2, 1);
981    OUT_RING(ring, 0x00040000);
982 
983    OUT_PKT0(ring, REG_A4XX_UNKNOWN_2001, 1);
984    OUT_RING(ring, 0x00000000);
985 
986    OUT_PKT3(ring, CP_INVALIDATE_STATE, 1);
987    OUT_RING(ring, 0x00001000);
988 
989    OUT_PKT0(ring, REG_A4XX_UNKNOWN_20EF, 1);
990    OUT_RING(ring, 0x00000000);
991 
992    OUT_PKT0(ring, REG_A4XX_RB_BLEND_RED, 4);
993    OUT_RING(ring, A4XX_RB_BLEND_RED_UINT(0) | A4XX_RB_BLEND_RED_FLOAT(0.0f));
994    OUT_RING(ring, A4XX_RB_BLEND_GREEN_UINT(0) | A4XX_RB_BLEND_GREEN_FLOAT(0.0f));
995    OUT_RING(ring, A4XX_RB_BLEND_BLUE_UINT(0) | A4XX_RB_BLEND_BLUE_FLOAT(0.0f));
996    OUT_RING(ring,
997             A4XX_RB_BLEND_ALPHA_UINT(0x7fff) | A4XX_RB_BLEND_ALPHA_FLOAT(1.0f));
998 
999    OUT_PKT0(ring, REG_A4XX_UNKNOWN_2152, 1);
1000    OUT_RING(ring, 0x00000000);
1001 
1002    OUT_PKT0(ring, REG_A4XX_UNKNOWN_2153, 1);
1003    OUT_RING(ring, 0x00000000);
1004 
1005    OUT_PKT0(ring, REG_A4XX_UNKNOWN_2154, 1);
1006    OUT_RING(ring, 0x00000000);
1007 
1008    OUT_PKT0(ring, REG_A4XX_UNKNOWN_2155, 1);
1009    OUT_RING(ring, 0x00000000);
1010 
1011    OUT_PKT0(ring, REG_A4XX_UNKNOWN_2156, 1);
1012    OUT_RING(ring, 0x00000000);
1013 
1014    OUT_PKT0(ring, REG_A4XX_UNKNOWN_2157, 1);
1015    OUT_RING(ring, 0x00000000);
1016 
1017    OUT_PKT0(ring, REG_A4XX_UNKNOWN_21C3, 1);
1018    OUT_RING(ring, 0x0000001d);
1019 
1020    OUT_PKT0(ring, REG_A4XX_PC_GS_PARAM, 1);
1021    OUT_RING(ring, 0x00000000);
1022 
1023    OUT_PKT0(ring, REG_A4XX_UNKNOWN_21E6, 1);
1024    OUT_RING(ring, 0x00000001);
1025 
1026    OUT_PKT0(ring, REG_A4XX_PC_HS_PARAM, 1);
1027    OUT_RING(ring, 0x00000000);
1028 
1029    OUT_PKT0(ring, REG_A4XX_UNKNOWN_22D7, 1);
1030    OUT_RING(ring, 0x00000000);
1031 
1032    OUT_PKT0(ring, REG_A4XX_TPL1_TP_TEX_OFFSET, 1);
1033    OUT_RING(ring, 0x00000000);
1034 
1035    OUT_PKT0(ring, REG_A4XX_TPL1_TP_TEX_COUNT, 1);
1036    OUT_RING(ring, A4XX_TPL1_TP_TEX_COUNT_VS(16) | A4XX_TPL1_TP_TEX_COUNT_HS(0) |
1037                      A4XX_TPL1_TP_TEX_COUNT_DS(0) |
1038                      A4XX_TPL1_TP_TEX_COUNT_GS(0));
1039 
1040    OUT_PKT0(ring, REG_A4XX_TPL1_TP_FS_TEX_COUNT, 1);
1041    OUT_RING(ring, 16);
1042 
1043    /* we don't use this yet.. probably best to disable.. */
1044    OUT_PKT3(ring, CP_SET_DRAW_STATE, 2);
1045    OUT_RING(ring, CP_SET_DRAW_STATE__0_COUNT(0) |
1046                      CP_SET_DRAW_STATE__0_DISABLE_ALL_GROUPS |
1047                      CP_SET_DRAW_STATE__0_GROUP_ID(0));
1048    OUT_RING(ring, CP_SET_DRAW_STATE__1_ADDR_LO(0));
1049 
1050    OUT_PKT0(ring, REG_A4XX_SP_VS_PVT_MEM_PARAM, 2);
1051    OUT_RING(ring, 0x08000001);                    /* SP_VS_PVT_MEM_PARAM */
1052    OUT_RELOC(ring, fd4_ctx->vs_pvt_mem, 0, 0, 0); /* SP_VS_PVT_MEM_ADDR */
1053 
1054    OUT_PKT0(ring, REG_A4XX_SP_FS_PVT_MEM_PARAM, 2);
1055    OUT_RING(ring, 0x08000001);                    /* SP_FS_PVT_MEM_PARAM */
1056    OUT_RELOC(ring, fd4_ctx->fs_pvt_mem, 0, 0, 0); /* SP_FS_PVT_MEM_ADDR */
1057 
1058    OUT_PKT0(ring, REG_A4XX_GRAS_SC_CONTROL, 1);
1059    OUT_RING(ring, A4XX_GRAS_SC_CONTROL_RENDER_MODE(RB_RENDERING_PASS) |
1060                      A4XX_GRAS_SC_CONTROL_MSAA_DISABLE |
1061                      A4XX_GRAS_SC_CONTROL_MSAA_SAMPLES(MSAA_ONE) |
1062                      A4XX_GRAS_SC_CONTROL_RASTER_MODE(0));
1063 
1064    OUT_PKT0(ring, REG_A4XX_RB_MSAA_CONTROL, 1);
1065    OUT_RING(ring, A4XX_RB_MSAA_CONTROL_DISABLE |
1066                      A4XX_RB_MSAA_CONTROL_SAMPLES(MSAA_ONE));
1067 
1068    OUT_PKT0(ring, REG_A4XX_GRAS_CL_GB_CLIP_ADJ, 1);
1069    OUT_RING(ring, A4XX_GRAS_CL_GB_CLIP_ADJ_HORZ(0) |
1070                      A4XX_GRAS_CL_GB_CLIP_ADJ_VERT(0));
1071 
1072    OUT_PKT0(ring, REG_A4XX_RB_ALPHA_CONTROL, 1);
1073    OUT_RING(ring, A4XX_RB_ALPHA_CONTROL_ALPHA_TEST_FUNC(FUNC_ALWAYS));
1074 
1075    OUT_PKT0(ring, REG_A4XX_RB_FS_OUTPUT, 1);
1076    OUT_RING(ring, A4XX_RB_FS_OUTPUT_SAMPLE_MASK(0xffff));
1077 
1078    OUT_PKT0(ring, REG_A4XX_GRAS_ALPHA_CONTROL, 1);
1079    OUT_RING(ring, 0x0);
1080 
1081    fd_hw_query_enable(batch, ring);
1082 }
1083 
1084 static void
fd4_mem_to_mem(struct fd_ringbuffer * ring,struct pipe_resource * dst,unsigned dst_off,struct pipe_resource * src,unsigned src_off,unsigned sizedwords)1085 fd4_mem_to_mem(struct fd_ringbuffer *ring, struct pipe_resource *dst,
1086                unsigned dst_off, struct pipe_resource *src, unsigned src_off,
1087                unsigned sizedwords)
1088 {
1089    struct fd_bo *src_bo = fd_resource(src)->bo;
1090    struct fd_bo *dst_bo = fd_resource(dst)->bo;
1091    unsigned i;
1092 
1093    for (i = 0; i < sizedwords; i++) {
1094       OUT_PKT3(ring, CP_MEM_TO_MEM, 3);
1095       OUT_RING(ring, 0x00000000);
1096       OUT_RELOC(ring, dst_bo, dst_off, 0, 0);
1097       OUT_RELOC(ring, src_bo, src_off, 0, 0);
1098 
1099       dst_off += 4;
1100       src_off += 4;
1101    }
1102 }
1103 
1104 void
fd4_emit_init_screen(struct pipe_screen * pscreen)1105 fd4_emit_init_screen(struct pipe_screen *pscreen)
1106 {
1107    struct fd_screen *screen = fd_screen(pscreen);
1108 
1109    screen->emit_ib = fd4_emit_ib;
1110    screen->mem_to_mem = fd4_mem_to_mem;
1111 }
1112 
1113 void
fd4_emit_init(struct pipe_context * pctx)1114 fd4_emit_init(struct pipe_context *pctx)
1115 {
1116 }
1117