1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
2
3 /*
4 * Copyright (C) 2014 Rob Clark <robclark@freedesktop.org>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 *
25 * Authors:
26 * Rob Clark <robclark@freedesktop.org>
27 */
28
29 #include "pipe/p_state.h"
30 #include "util/u_string.h"
31 #include "util/u_memory.h"
32 #include "util/u_prim.h"
33
34 #include "freedreno_state.h"
35 #include "freedreno_resource.h"
36
37 #include "fd4_draw.h"
38 #include "fd4_context.h"
39 #include "fd4_emit.h"
40 #include "fd4_program.h"
41 #include "fd4_format.h"
42 #include "fd4_zsa.h"
43
44
45 static void
draw_impl(struct fd_context * ctx,struct fd_ringbuffer * ring,struct fd4_emit * emit)46 draw_impl(struct fd_context *ctx, struct fd_ringbuffer *ring,
47 struct fd4_emit *emit)
48 {
49 const struct pipe_draw_info *info = emit->info;
50 enum pc_di_primtype primtype = ctx->primtypes[info->mode];
51
52 fd4_emit_state(ctx, ring, emit);
53
54 if (emit->dirty & (FD_DIRTY_VTXBUF | FD_DIRTY_VTXSTATE))
55 fd4_emit_vertex_bufs(ring, emit);
56
57 OUT_PKT0(ring, REG_A4XX_VFD_INDEX_OFFSET, 2);
58 OUT_RING(ring, info->indexed ? info->index_bias : info->start); /* VFD_INDEX_OFFSET */
59 OUT_RING(ring, info->start_instance); /* ??? UNKNOWN_2209 */
60
61 OUT_PKT0(ring, REG_A4XX_PC_RESTART_INDEX, 1);
62 OUT_RING(ring, info->primitive_restart ? /* PC_RESTART_INDEX */
63 info->restart_index : 0xffffffff);
64
65 /* points + psize -> spritelist: */
66 if (ctx->rasterizer->point_size_per_vertex &&
67 fd4_emit_get_vp(emit)->writes_psize &&
68 (info->mode == PIPE_PRIM_POINTS))
69 primtype = DI_PT_POINTLIST_PSIZE;
70
71 fd4_draw_emit(ctx->batch, ring, primtype,
72 emit->key.binning_pass ? IGNORE_VISIBILITY : USE_VISIBILITY,
73 info);
74 }
75
76 /* fixup dirty shader state in case some "unrelated" (from the state-
77 * tracker's perspective) state change causes us to switch to a
78 * different variant.
79 */
80 static void
fixup_shader_state(struct fd_context * ctx,struct ir3_shader_key * key)81 fixup_shader_state(struct fd_context *ctx, struct ir3_shader_key *key)
82 {
83 struct fd4_context *fd4_ctx = fd4_context(ctx);
84 struct ir3_shader_key *last_key = &fd4_ctx->last_key;
85
86 if (!ir3_shader_key_equal(last_key, key)) {
87 if (last_key->has_per_samp || key->has_per_samp) {
88 if ((last_key->vsaturate_s != key->vsaturate_s) ||
89 (last_key->vsaturate_t != key->vsaturate_t) ||
90 (last_key->vsaturate_r != key->vsaturate_r) ||
91 (last_key->vastc_srgb != key->vastc_srgb))
92 ctx->dirty |= FD_SHADER_DIRTY_VP;
93
94 if ((last_key->fsaturate_s != key->fsaturate_s) ||
95 (last_key->fsaturate_t != key->fsaturate_t) ||
96 (last_key->fsaturate_r != key->fsaturate_r) ||
97 (last_key->fastc_srgb != key->fastc_srgb))
98 ctx->dirty |= FD_SHADER_DIRTY_FP;
99 }
100
101 if (last_key->vclamp_color != key->vclamp_color)
102 ctx->dirty |= FD_SHADER_DIRTY_VP;
103
104 if (last_key->fclamp_color != key->fclamp_color)
105 ctx->dirty |= FD_SHADER_DIRTY_FP;
106
107 if (last_key->color_two_side != key->color_two_side)
108 ctx->dirty |= FD_SHADER_DIRTY_FP;
109
110 if (last_key->half_precision != key->half_precision)
111 ctx->dirty |= FD_SHADER_DIRTY_FP;
112
113 if (last_key->rasterflat != key->rasterflat)
114 ctx->dirty |= FD_SHADER_DIRTY_FP;
115
116 if (last_key->ucp_enables != key->ucp_enables)
117 ctx->dirty |= FD_SHADER_DIRTY_FP | FD_SHADER_DIRTY_VP;
118
119 fd4_ctx->last_key = *key;
120 }
121 }
122
123 static bool
fd4_draw_vbo(struct fd_context * ctx,const struct pipe_draw_info * info)124 fd4_draw_vbo(struct fd_context *ctx, const struct pipe_draw_info *info)
125 {
126 struct fd4_context *fd4_ctx = fd4_context(ctx);
127 struct fd4_emit emit = {
128 .debug = &ctx->debug,
129 .vtx = &ctx->vtx,
130 .prog = &ctx->prog,
131 .info = info,
132 .key = {
133 .color_two_side = ctx->rasterizer->light_twoside,
134 .vclamp_color = ctx->rasterizer->clamp_vertex_color,
135 .fclamp_color = ctx->rasterizer->clamp_fragment_color,
136 .rasterflat = ctx->rasterizer->flatshade,
137 .half_precision = ctx->in_blit &&
138 fd_half_precision(&ctx->batch->framebuffer),
139 .ucp_enables = ctx->rasterizer->clip_plane_enable,
140 .has_per_samp = (fd4_ctx->fsaturate || fd4_ctx->vsaturate ||
141 fd4_ctx->fastc_srgb || fd4_ctx->vastc_srgb),
142 .vsaturate_s = fd4_ctx->vsaturate_s,
143 .vsaturate_t = fd4_ctx->vsaturate_t,
144 .vsaturate_r = fd4_ctx->vsaturate_r,
145 .fsaturate_s = fd4_ctx->fsaturate_s,
146 .fsaturate_t = fd4_ctx->fsaturate_t,
147 .fsaturate_r = fd4_ctx->fsaturate_r,
148 .vastc_srgb = fd4_ctx->vastc_srgb,
149 .fastc_srgb = fd4_ctx->fastc_srgb,
150 },
151 .rasterflat = ctx->rasterizer->flatshade,
152 .sprite_coord_enable = ctx->rasterizer->sprite_coord_enable,
153 .sprite_coord_mode = ctx->rasterizer->sprite_coord_mode,
154 };
155
156 fixup_shader_state(ctx, &emit.key);
157
158 unsigned dirty = ctx->dirty;
159
160 /* do regular pass first, since that is more likely to fail compiling: */
161
162 if (!(fd4_emit_get_vp(&emit) && fd4_emit_get_fp(&emit)))
163 return false;
164
165 emit.key.binning_pass = false;
166 emit.dirty = dirty;
167
168 struct fd_ringbuffer *ring = ctx->batch->draw;
169
170 if (ctx->rasterizer->rasterizer_discard) {
171 fd_wfi(ctx->batch, ring);
172 OUT_PKT3(ring, CP_REG_RMW, 3);
173 OUT_RING(ring, REG_A4XX_RB_RENDER_CONTROL);
174 OUT_RING(ring, ~A4XX_RB_RENDER_CONTROL_DISABLE_COLOR_PIPE);
175 OUT_RING(ring, A4XX_RB_RENDER_CONTROL_DISABLE_COLOR_PIPE);
176 }
177
178 draw_impl(ctx, ctx->batch->draw, &emit);
179
180 if (ctx->rasterizer->rasterizer_discard) {
181 fd_wfi(ctx->batch, ring);
182 OUT_PKT3(ring, CP_REG_RMW, 3);
183 OUT_RING(ring, REG_A4XX_RB_RENDER_CONTROL);
184 OUT_RING(ring, ~A4XX_RB_RENDER_CONTROL_DISABLE_COLOR_PIPE);
185 OUT_RING(ring, 0);
186 }
187
188 /* and now binning pass: */
189 emit.key.binning_pass = true;
190 emit.dirty = dirty & ~(FD_DIRTY_BLEND);
191 emit.vp = NULL; /* we changed key so need to refetch vp */
192 emit.fp = NULL;
193 draw_impl(ctx, ctx->batch->binning, &emit);
194
195 return true;
196 }
197
198 void
fd4_draw_init(struct pipe_context * pctx)199 fd4_draw_init(struct pipe_context *pctx)
200 {
201 struct fd_context *ctx = fd_context(pctx);
202 ctx->draw_vbo = fd4_draw_vbo;
203 }
204