1 /*
2 * Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * 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 NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 * Authors:
24 * Rob Clark <robclark@freedesktop.org>
25 */
26
27 #ifndef FD5_EMIT_H
28 #define FD5_EMIT_H
29
30 #include "pipe/p_context.h"
31
32 #include "fd5_context.h"
33 #include "fd5_format.h"
34 #include "fd5_program.h"
35 #include "fd5_screen.h"
36 #include "freedreno_batch.h"
37 #include "freedreno_context.h"
38 #include "ir3_gallium.h"
39
40 struct fd_ringbuffer;
41
42 /* grouped together emit-state for prog/vertex/state emit: */
43 struct fd5_emit {
44 struct util_debug_callback *debug;
45 const struct fd_vertex_state *vtx;
46 const struct fd5_program_state *prog;
47 const struct pipe_draw_info *info;
48 unsigned drawid_offset;
49 const struct pipe_draw_indirect_info *indirect;
50 const struct pipe_draw_start_count_bias *draw;
51 bool binning_pass;
52 struct ir3_cache_key key;
53 enum fd_dirty_3d_state dirty;
54
55 uint32_t sprite_coord_enable; /* bitmask */
56 bool sprite_coord_mode;
57 bool rasterflat;
58
59 /* in binning pass, we don't have real frag shader, so we
60 * don't know if real draw disqualifies lrz write. So just
61 * figure that out up-front and stash it in the emit.
62 */
63 bool no_lrz_write;
64
65 /* cached to avoid repeated lookups of same variants: */
66 const struct ir3_shader_variant *vs, *fs;
67 /* TODO: other shader stages.. */
68
69 unsigned streamout_mask;
70 };
71
72 static inline enum a5xx_color_fmt
fd5_emit_format(struct pipe_surface * surf)73 fd5_emit_format(struct pipe_surface *surf)
74 {
75 if (!surf)
76 return 0;
77 return fd5_pipe2color(surf->format);
78 }
79
80 static inline const struct ir3_shader_variant *
fd5_emit_get_vp(struct fd5_emit * emit)81 fd5_emit_get_vp(struct fd5_emit *emit)
82 {
83 if (!emit->vs) {
84 /* We use nonbinning VS during binning when TFB is enabled because that
85 * is what has all the outputs that might be involved in TFB.
86 */
87 if (emit->binning_pass &&
88 !emit->prog->vs->stream_output.num_outputs)
89 emit->vs = emit->prog->bs;
90 else
91 emit->vs = emit->prog->vs;
92 }
93 return emit->vs;
94 }
95
96 static inline const struct ir3_shader_variant *
fd5_emit_get_fp(struct fd5_emit * emit)97 fd5_emit_get_fp(struct fd5_emit *emit)
98 {
99 if (!emit->fs) {
100 if (emit->binning_pass) {
101 /* use dummy stateobj to simplify binning vs non-binning: */
102 static const struct ir3_shader_variant binning_fs = {};
103 emit->fs = &binning_fs;
104 } else {
105 emit->fs = emit->prog->fs;
106 }
107 }
108 return emit->fs;
109 }
110
111 static inline void
fd5_cache_flush(struct fd_batch * batch,struct fd_ringbuffer * ring)112 fd5_cache_flush(struct fd_batch *batch, struct fd_ringbuffer *ring) assert_dt
113 {
114 fd_reset_wfi(batch);
115 OUT_PKT4(ring, REG_A5XX_UCHE_CACHE_INVALIDATE_MIN_LO, 5);
116 OUT_RING(ring, 0x00000000); /* UCHE_CACHE_INVALIDATE_MIN_LO */
117 OUT_RING(ring, 0x00000000); /* UCHE_CACHE_INVALIDATE_MIN_HI */
118 OUT_RING(ring, 0x00000000); /* UCHE_CACHE_INVALIDATE_MAX_LO */
119 OUT_RING(ring, 0x00000000); /* UCHE_CACHE_INVALIDATE_MAX_HI */
120 OUT_RING(ring, 0x00000012); /* UCHE_CACHE_INVALIDATE */
121 fd_wfi(batch, ring);
122 }
123
124 static inline void
fd5_set_render_mode(struct fd_context * ctx,struct fd_ringbuffer * ring,enum render_mode_cmd mode)125 fd5_set_render_mode(struct fd_context *ctx, struct fd_ringbuffer *ring,
126 enum render_mode_cmd mode)
127 {
128 /* TODO add preemption support, gmem bypass, etc */
129 emit_marker5(ring, 7);
130 OUT_PKT7(ring, CP_SET_RENDER_MODE, 5);
131 OUT_RING(ring, CP_SET_RENDER_MODE_0_MODE(mode));
132 OUT_RING(ring, 0x00000000); /* ADDR_LO */
133 OUT_RING(ring, 0x00000000); /* ADDR_HI */
134 OUT_RING(ring, COND(mode == GMEM, CP_SET_RENDER_MODE_3_GMEM_ENABLE) |
135 COND(mode == BINNING, CP_SET_RENDER_MODE_3_VSC_ENABLE));
136 OUT_RING(ring, 0x00000000);
137 emit_marker5(ring, 7);
138 }
139
140 static inline void
fd5_event_write(struct fd_batch * batch,struct fd_ringbuffer * ring,enum vgt_event_type evt,bool timestamp)141 fd5_event_write(struct fd_batch *batch, struct fd_ringbuffer *ring,
142 enum vgt_event_type evt, bool timestamp)
143 {
144 OUT_PKT7(ring, CP_EVENT_WRITE, timestamp ? 4 : 1);
145 OUT_RING(ring, CP_EVENT_WRITE_0_EVENT(evt));
146 if (timestamp) {
147 OUT_RELOC(ring, fd5_context(batch->ctx)->blit_mem, 0, 0,
148 0); /* ADDR_LO/HI */
149 OUT_RING(ring, 0x00000000);
150 }
151 }
152
153 static inline void
fd5_emit_blit(struct fd_batch * batch,struct fd_ringbuffer * ring)154 fd5_emit_blit(struct fd_batch *batch, struct fd_ringbuffer *ring)
155 {
156 emit_marker5(ring, 7);
157 fd5_event_write(batch, ring, BLIT, true);
158 emit_marker5(ring, 7);
159 }
160
161 static inline void
fd5_emit_render_cntl(struct fd_context * ctx,bool blit,bool binning)162 fd5_emit_render_cntl(struct fd_context *ctx, bool blit, bool binning) assert_dt
163 {
164 struct fd_ringbuffer *ring =
165 binning ? ctx->batch->binning : ctx->batch->draw;
166
167 /* TODO eventually this partially depends on the pfb state, ie.
168 * which of the cbuf(s)/zsbuf has an UBWC flag buffer.. that part
169 * we could probably cache and just regenerate if framebuffer
170 * state is dirty (or something like that)..
171 *
172 * Other bits seem to depend on query state, like if samples-passed
173 * query is active.
174 */
175 bool samples_passed = (fd5_context(ctx)->samples_passed_queries > 0);
176 OUT_PKT4(ring, REG_A5XX_RB_RENDER_CNTL, 1);
177 OUT_RING(ring, 0x00000000 | /* RB_RENDER_CNTL */
178 COND(binning, A5XX_RB_RENDER_CNTL_BINNING_PASS) |
179 COND(binning, A5XX_RB_RENDER_CNTL_DISABLE_COLOR_PIPE) |
180 COND(samples_passed, A5XX_RB_RENDER_CNTL_SAMPLES_PASSED) |
181 COND(!blit, 0x8));
182
183 OUT_PKT4(ring, REG_A5XX_GRAS_SC_CNTL, 1);
184 OUT_RING(ring, 0x00000008 | /* GRAS_SC_CNTL */
185 COND(binning, A5XX_GRAS_SC_CNTL_BINNING_PASS) |
186 COND(samples_passed, A5XX_GRAS_SC_CNTL_SAMPLES_PASSED));
187 }
188
189 static inline void
fd5_emit_lrz_flush(struct fd_batch * batch,struct fd_ringbuffer * ring)190 fd5_emit_lrz_flush(struct fd_batch *batch, struct fd_ringbuffer *ring)
191 {
192 /* TODO I think the extra writes to GRAS_LRZ_CNTL are probably
193 * a workaround and not needed on all a5xx.
194 */
195 OUT_PKT4(ring, REG_A5XX_GRAS_LRZ_CNTL, 1);
196 OUT_RING(ring, A5XX_GRAS_LRZ_CNTL_ENABLE);
197
198 fd5_event_write(batch, ring, LRZ_FLUSH, false);
199
200 OUT_PKT4(ring, REG_A5XX_GRAS_LRZ_CNTL, 1);
201 OUT_RING(ring, 0x0);
202 }
203
204 void fd5_emit_vertex_bufs(struct fd_ringbuffer *ring,
205 struct fd5_emit *emit) assert_dt;
206
207 void fd5_emit_state(struct fd_context *ctx, struct fd_ringbuffer *ring,
208 struct fd5_emit *emit) assert_dt;
209
210 void fd5_emit_cs_state(struct fd_context *ctx, struct fd_ringbuffer *ring,
211 struct ir3_shader_variant *cp) assert_dt;
212 void fd5_emit_cs_consts(const struct ir3_shader_variant *v,
213 struct fd_ringbuffer *ring, struct fd_context *ctx,
214 const struct pipe_grid_info *info) assert_dt;
215
216 void fd5_emit_restore(struct fd_batch *batch,
217 struct fd_ringbuffer *ring) assert_dt;
218
219 void fd5_emit_init_screen(struct pipe_screen *pscreen);
220 void fd5_emit_init(struct pipe_context *pctx);
221
222 static inline void
fd5_emit_ib(struct fd_ringbuffer * ring,struct fd_ringbuffer * target)223 fd5_emit_ib(struct fd_ringbuffer *ring, struct fd_ringbuffer *target)
224 {
225 /* for debug after a lock up, write a unique counter value
226 * to scratch6 for each IB, to make it easier to match up
227 * register dumps to cmdstream. The combination of IB and
228 * DRAW (scratch7) is enough to "triangulate" the particular
229 * draw that caused lockup.
230 */
231 emit_marker5(ring, 6);
232 __OUT_IB5(ring, target);
233 emit_marker5(ring, 6);
234 }
235
236 #endif /* FD5_EMIT_H */
237