1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ 2 3 /* 4 * Copyright (C) 2013 Rob Clark <robclark (at) 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 (at) 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 #include "util/u_format.h" 34 35 #include "freedreno_state.h" 36 #include "freedreno_resource.h" 37 38 #include "fd3_draw.h" 39 #include "fd3_context.h" 40 #include "fd3_emit.h" 41 #include "fd3_program.h" 42 #include "fd3_format.h" 43 #include "fd3_zsa.h" 44 45 static inline uint32_t 46 add_sat(uint32_t a, int32_t b) 47 { 48 int64_t ret = (uint64_t)a + (int64_t)b; 49 if (ret > ~0U) 50 return ~0U; 51 if (ret < 0) 52 return 0; 53 return (uint32_t)ret; 54 } 55 56 static void 57 draw_impl(struct fd_context *ctx, struct fd_ringbuffer *ring, 58 struct fd3_emit *emit) 59 { 60 const struct pipe_draw_info *info = emit->info; 61 enum pc_di_primtype primtype = ctx->primtypes[info->mode]; 62 63 fd3_emit_state(ctx, ring, emit); 64 65 if (emit->dirty & (FD_DIRTY_VTXBUF | FD_DIRTY_VTXSTATE)) 66 fd3_emit_vertex_bufs(ring, emit); 67 68 OUT_PKT0(ring, REG_A3XX_PC_VERTEX_REUSE_BLOCK_CNTL, 1); 69 OUT_RING(ring, 0x0000000b); /* PC_VERTEX_REUSE_BLOCK_CNTL */ 70 71 OUT_PKT0(ring, REG_A3XX_VFD_INDEX_MIN, 4); 72 OUT_RING(ring, add_sat(info->min_index, info->index_bias)); /* VFD_INDEX_MIN */ 73 OUT_RING(ring, add_sat(info->max_index, info->index_bias)); /* VFD_INDEX_MAX */ 74 OUT_RING(ring, info->start_instance); /* VFD_INSTANCEID_OFFSET */ 75 OUT_RING(ring, info->indexed ? info->index_bias : info->start); /* VFD_INDEX_OFFSET */ 76 77 OUT_PKT0(ring, REG_A3XX_PC_RESTART_INDEX, 1); 78 OUT_RING(ring, info->primitive_restart ? /* PC_RESTART_INDEX */ 79 info->restart_index : 0xffffffff); 80 81 /* points + psize -> spritelist: */ 82 if (ctx->rasterizer->point_size_per_vertex && 83 fd3_emit_get_vp(emit)->writes_psize && 84 (info->mode == PIPE_PRIM_POINTS)) 85 primtype = DI_PT_POINTLIST_PSIZE; 86 87 fd_draw_emit(ctx->batch, ring, primtype, 88 emit->key.binning_pass ? IGNORE_VISIBILITY : USE_VISIBILITY, 89 info); 90 } 91 92 /* fixup dirty shader state in case some "unrelated" (from the state- 93 * tracker's perspective) state change causes us to switch to a 94 * different variant. 95 */ 96 static void 97 fixup_shader_state(struct fd_context *ctx, struct ir3_shader_key *key) 98 { 99 struct fd3_context *fd3_ctx = fd3_context(ctx); 100 struct ir3_shader_key *last_key = &fd3_ctx->last_key; 101 102 if (!ir3_shader_key_equal(last_key, key)) { 103 if (last_key->has_per_samp || key->has_per_samp) { 104 if ((last_key->vsaturate_s != key->vsaturate_s) || 105 (last_key->vsaturate_t != key->vsaturate_t) || 106 (last_key->vsaturate_r != key->vsaturate_r)) 107 ctx->dirty |= FD_SHADER_DIRTY_VP; 108 109 if ((last_key->fsaturate_s != key->fsaturate_s) || 110 (last_key->fsaturate_t != key->fsaturate_t) || 111 (last_key->fsaturate_r != key->fsaturate_r)) 112 ctx->dirty |= FD_SHADER_DIRTY_FP; 113 } 114 115 if (last_key->vclamp_color != key->vclamp_color) 116 ctx->dirty |= FD_SHADER_DIRTY_VP; 117 118 if (last_key->fclamp_color != key->fclamp_color) 119 ctx->dirty |= FD_SHADER_DIRTY_FP; 120 121 if (last_key->color_two_side != key->color_two_side) 122 ctx->dirty |= FD_SHADER_DIRTY_FP; 123 124 if (last_key->half_precision != key->half_precision) 125 ctx->dirty |= FD_SHADER_DIRTY_FP; 126 127 if (last_key->ucp_enables != key->ucp_enables) 128 ctx->dirty |= FD_SHADER_DIRTY_FP | FD_SHADER_DIRTY_VP; 129 130 fd3_ctx->last_key = *key; 131 } 132 } 133 134 static bool 135 fd3_draw_vbo(struct fd_context *ctx, const struct pipe_draw_info *info) 136 { 137 struct fd3_context *fd3_ctx = fd3_context(ctx); 138 struct fd3_emit emit = { 139 .debug = &ctx->debug, 140 .vtx = &ctx->vtx, 141 .prog = &ctx->prog, 142 .info = info, 143 .key = { 144 .color_two_side = ctx->rasterizer->light_twoside, 145 .vclamp_color = ctx->rasterizer->clamp_vertex_color, 146 .fclamp_color = ctx->rasterizer->clamp_fragment_color, 147 .half_precision = ctx->in_blit && 148 fd_half_precision(&ctx->batch->framebuffer), 149 .has_per_samp = (fd3_ctx->fsaturate || fd3_ctx->vsaturate), 150 .vsaturate_s = fd3_ctx->vsaturate_s, 151 .vsaturate_t = fd3_ctx->vsaturate_t, 152 .vsaturate_r = fd3_ctx->vsaturate_r, 153 .fsaturate_s = fd3_ctx->fsaturate_s, 154 .fsaturate_t = fd3_ctx->fsaturate_t, 155 .fsaturate_r = fd3_ctx->fsaturate_r, 156 }, 157 .rasterflat = ctx->rasterizer->flatshade, 158 .sprite_coord_enable = ctx->rasterizer->sprite_coord_enable, 159 .sprite_coord_mode = ctx->rasterizer->sprite_coord_mode, 160 }; 161 162 if (fd3_needs_manual_clipping(ctx->prog.vp, ctx->rasterizer)) 163 emit.key.ucp_enables = ctx->rasterizer->clip_plane_enable; 164 165 fixup_shader_state(ctx, &emit.key); 166 167 unsigned dirty = ctx->dirty; 168 169 /* do regular pass first, since that is more likely to fail compiling: */ 170 171 if (!(fd3_emit_get_vp(&emit) && fd3_emit_get_fp(&emit))) 172 return false; 173 174 emit.key.binning_pass = false; 175 emit.dirty = dirty; 176 draw_impl(ctx, ctx->batch->draw, &emit); 177 178 /* and now binning pass: */ 179 emit.key.binning_pass = true; 180 emit.dirty = dirty & ~(FD_DIRTY_BLEND); 181 emit.vp = NULL; /* we changed key so need to refetch vp */ 182 emit.fp = NULL; 183 draw_impl(ctx, ctx->batch->binning, &emit); 184 185 return true; 186 } 187 188 void 189 fd3_draw_init(struct pipe_context *pctx) 190 { 191 struct fd_context *ctx = fd_context(pctx); 192 ctx->draw_vbo = fd3_draw_vbo; 193 } 194
