1 /*
2 * Copyright (C) 2013 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 #include "pipe/p_state.h"
28 #include "util/format/u_format.h"
29 #include "util/u_memory.h"
30 #include "util/u_prim.h"
31 #include "util/u_string.h"
32
33 #include "freedreno_resource.h"
34 #include "freedreno_state.h"
35
36 #include "fd3_context.h"
37 #include "fd3_draw.h"
38 #include "fd3_emit.h"
39 #include "fd3_format.h"
40 #include "fd3_program.h"
41 #include "fd3_zsa.h"
42
43 static inline uint32_t
add_sat(uint32_t a,int32_t b)44 add_sat(uint32_t a, int32_t b)
45 {
46 int64_t ret = (uint64_t)a + (int64_t)b;
47 if (ret > ~0U)
48 return ~0U;
49 if (ret < 0)
50 return 0;
51 return (uint32_t)ret;
52 }
53
54 static void
draw_impl(struct fd_context * ctx,struct fd_ringbuffer * ring,struct fd3_emit * emit,unsigned index_offset)55 draw_impl(struct fd_context *ctx, struct fd_ringbuffer *ring,
56 struct fd3_emit *emit, unsigned index_offset) assert_dt
57 {
58 const struct pipe_draw_info *info = emit->info;
59 enum pc_di_primtype primtype = ctx->screen->primtypes[info->mode];
60
61 fd3_emit_state(ctx, ring, emit);
62
63 if (emit->dirty & (FD_DIRTY_VTXBUF | FD_DIRTY_VTXSTATE))
64 fd3_emit_vertex_bufs(ring, emit);
65
66 OUT_PKT0(ring, REG_A3XX_PC_VERTEX_REUSE_BLOCK_CNTL, 1);
67 OUT_RING(ring, 0x0000000b); /* PC_VERTEX_REUSE_BLOCK_CNTL */
68
69 OUT_PKT0(ring, REG_A3XX_VFD_INDEX_MIN, 4);
70 OUT_RING(ring, info->index_bounds_valid
71 ? add_sat(info->min_index,
72 info->index_size ? emit->draw->index_bias : 0)
73 : 0); /* VFD_INDEX_MIN */
74 OUT_RING(ring, info->index_bounds_valid
75 ? add_sat(info->max_index,
76 info->index_size ? emit->draw->index_bias : 0)
77 : ~0); /* VFD_INDEX_MAX */
78 OUT_RING(ring, info->start_instance); /* VFD_INSTANCEID_OFFSET */
79 OUT_RING(ring, info->index_size ? emit->draw->index_bias
80 : emit->draw->start); /* VFD_INDEX_OFFSET */
81
82 OUT_PKT0(ring, REG_A3XX_PC_RESTART_INDEX, 1);
83 OUT_RING(ring, info->primitive_restart ? /* PC_RESTART_INDEX */
84 info->restart_index
85 : 0xffffffff);
86
87 /* points + psize -> spritelist: */
88 if (ctx->rasterizer->point_size_per_vertex &&
89 fd3_emit_get_vp(emit)->writes_psize && (info->mode == PIPE_PRIM_POINTS))
90 primtype = DI_PT_POINTLIST_PSIZE;
91
92 fd_draw_emit(ctx->batch, ring, primtype,
93 emit->binning_pass ? IGNORE_VISIBILITY : USE_VISIBILITY, info,
94 emit->draw, index_offset);
95 }
96
97 static bool
fd3_draw_vbo(struct fd_context * ctx,const struct pipe_draw_info * info,unsigned drawid_offset,const struct pipe_draw_indirect_info * indirect,const struct pipe_draw_start_count_bias * draw,unsigned index_offset)98 fd3_draw_vbo(struct fd_context *ctx, const struct pipe_draw_info *info,
99 unsigned drawid_offset,
100 const struct pipe_draw_indirect_info *indirect,
101 const struct pipe_draw_start_count_bias *draw,
102 unsigned index_offset) in_dt
103 {
104 struct fd3_emit emit = {
105 .debug = &ctx->debug,
106 .vtx = &ctx->vtx,
107 .info = info,
108 .drawid_offset = drawid_offset,
109 .indirect = indirect,
110 .draw = draw,
111 .key = {
112 .vs = ctx->prog.vs,
113 .fs = ctx->prog.fs,
114 },
115 .rasterflat = ctx->rasterizer->flatshade,
116 .sprite_coord_enable = ctx->rasterizer->sprite_coord_enable,
117 .sprite_coord_mode = ctx->rasterizer->sprite_coord_mode,
118 };
119
120 if (info->mode != PIPE_PRIM_MAX && !indirect && !info->primitive_restart &&
121 !u_trim_pipe_prim(info->mode, (unsigned *)&draw->count))
122 return false;
123
124 if (fd3_needs_manual_clipping(ir3_get_shader(ctx->prog.vs), ctx->rasterizer))
125 emit.key.key.ucp_enables = ctx->rasterizer->clip_plane_enable;
126
127 ir3_fixup_shader_state(&ctx->base, &emit.key.key);
128
129 unsigned dirty = ctx->dirty;
130
131 emit.prog = fd3_program_state(
132 ir3_cache_lookup(ctx->shader_cache, &emit.key, &ctx->debug));
133
134 /* bail if compile failed: */
135 if (!emit.prog)
136 return false;
137
138 const struct ir3_shader_variant *vp = fd3_emit_get_vp(&emit);
139 const struct ir3_shader_variant *fp = fd3_emit_get_fp(&emit);
140
141 ir3_update_max_tf_vtx(ctx, vp);
142
143 /* do regular pass first: */
144
145 if (unlikely(ctx->stats_users > 0)) {
146 ctx->stats.vs_regs += ir3_shader_halfregs(vp);
147 ctx->stats.fs_regs += ir3_shader_halfregs(fp);
148 }
149
150 emit.binning_pass = false;
151 emit.dirty = dirty;
152 draw_impl(ctx, ctx->batch->draw, &emit, index_offset);
153
154 /* and now binning pass: */
155 emit.binning_pass = true;
156 emit.dirty = dirty & ~(FD_DIRTY_BLEND);
157 emit.vs = NULL; /* we changed key so need to refetch vs */
158 emit.fs = NULL;
159 draw_impl(ctx, ctx->batch->binning, &emit, index_offset);
160
161 fd_context_all_clean(ctx);
162
163 return true;
164 }
165
166 void
fd3_draw_init(struct pipe_context * pctx)167 fd3_draw_init(struct pipe_context *pctx) disable_thread_safety_analysis
168 {
169 struct fd_context *ctx = fd_context(pctx);
170 ctx->draw_vbo = fd3_draw_vbo;
171 }
172