1 /* 2 * Copyright (C) 2016 Rob Clark <robclark (at) 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 (at) freedesktop.org> 25 */ 26 27 #include "pipe/p_state.h" 28 #include "util/u_string.h" 29 #include "util/u_memory.h" 30 #include "util/u_prim.h" 31 32 #include "freedreno_state.h" 33 #include "freedreno_resource.h" 34 35 #include "fd5_draw.h" 36 #include "fd5_context.h" 37 #include "fd5_emit.h" 38 #include "fd5_program.h" 39 #include "fd5_format.h" 40 #include "fd5_zsa.h" 41 42 43 static void 44 draw_impl(struct fd_context *ctx, struct fd_ringbuffer *ring, 45 struct fd5_emit *emit) 46 { 47 const struct pipe_draw_info *info = emit->info; 48 enum pc_di_primtype primtype = ctx->primtypes[info->mode]; 49 50 fd5_emit_state(ctx, ring, emit); 51 52 if (emit->dirty & (FD_DIRTY_VTXBUF | FD_DIRTY_VTXSTATE)) 53 fd5_emit_vertex_bufs(ring, emit); 54 55 OUT_PKT4(ring, REG_A5XX_VFD_INDEX_OFFSET, 2); 56 OUT_RING(ring, info->indexed ? info->index_bias : info->start); /* VFD_INDEX_OFFSET */ 57 OUT_RING(ring, info->start_instance); /* ??? UNKNOWN_2209 */ 58 59 OUT_PKT4(ring, REG_A5XX_PC_RESTART_INDEX, 1); 60 OUT_RING(ring, info->primitive_restart ? /* PC_RESTART_INDEX */ 61 info->restart_index : 0xffffffff); 62 63 fd5_emit_render_cntl(ctx, false); 64 fd5_draw_emit(ctx->batch, ring, primtype, 65 emit->key.binning_pass ? IGNORE_VISIBILITY : USE_VISIBILITY, 66 info); 67 } 68 69 /* fixup dirty shader state in case some "unrelated" (from the state- 70 * tracker's perspective) state change causes us to switch to a 71 * different variant. 72 */ 73 static void 74 fixup_shader_state(struct fd_context *ctx, struct ir3_shader_key *key) 75 { 76 struct fd5_context *fd5_ctx = fd5_context(ctx); 77 struct ir3_shader_key *last_key = &fd5_ctx->last_key; 78 79 if (!ir3_shader_key_equal(last_key, key)) { 80 if (last_key->has_per_samp || key->has_per_samp) { 81 if ((last_key->vsaturate_s != key->vsaturate_s) || 82 (last_key->vsaturate_t != key->vsaturate_t) || 83 (last_key->vsaturate_r != key->vsaturate_r) || 84 (last_key->vastc_srgb != key->vastc_srgb)) 85 ctx->dirty |= FD_SHADER_DIRTY_VP; 86 87 if ((last_key->fsaturate_s != key->fsaturate_s) || 88 (last_key->fsaturate_t != key->fsaturate_t) || 89 (last_key->fsaturate_r != key->fsaturate_r) || 90 (last_key->fastc_srgb != key->fastc_srgb)) 91 ctx->dirty |= FD_SHADER_DIRTY_FP; 92 } 93 94 if (last_key->vclamp_color != key->vclamp_color) 95 ctx->dirty |= FD_SHADER_DIRTY_VP; 96 97 if (last_key->fclamp_color != key->fclamp_color) 98 ctx->dirty |= FD_SHADER_DIRTY_FP; 99 100 if (last_key->color_two_side != key->color_two_side) 101 ctx->dirty |= FD_SHADER_DIRTY_FP; 102 103 if (last_key->half_precision != key->half_precision) 104 ctx->dirty |= FD_SHADER_DIRTY_FP; 105 106 if (last_key->rasterflat != key->rasterflat) 107 ctx->dirty |= FD_SHADER_DIRTY_FP; 108 109 if (last_key->ucp_enables != key->ucp_enables) 110 ctx->dirty |= FD_SHADER_DIRTY_FP | FD_SHADER_DIRTY_VP; 111 112 fd5_ctx->last_key = *key; 113 } 114 } 115 116 static bool 117 fd5_draw_vbo(struct fd_context *ctx, const struct pipe_draw_info *info) 118 { 119 struct fd5_context *fd5_ctx = fd5_context(ctx); 120 struct fd5_emit emit = { 121 .debug = &ctx->debug, 122 .vtx = &ctx->vtx, 123 .prog = &ctx->prog, 124 .info = info, 125 .key = { 126 .color_two_side = ctx->rasterizer->light_twoside, 127 .vclamp_color = ctx->rasterizer->clamp_vertex_color, 128 .fclamp_color = ctx->rasterizer->clamp_fragment_color, 129 .rasterflat = ctx->rasterizer->flatshade, 130 .half_precision = ctx->in_blit && 131 fd_half_precision(&ctx->batch->framebuffer), 132 .ucp_enables = ctx->rasterizer->clip_plane_enable, 133 .has_per_samp = (fd5_ctx->fsaturate || fd5_ctx->vsaturate || 134 fd5_ctx->fastc_srgb || fd5_ctx->vastc_srgb), 135 .vsaturate_s = fd5_ctx->vsaturate_s, 136 .vsaturate_t = fd5_ctx->vsaturate_t, 137 .vsaturate_r = fd5_ctx->vsaturate_r, 138 .fsaturate_s = fd5_ctx->fsaturate_s, 139 .fsaturate_t = fd5_ctx->fsaturate_t, 140 .fsaturate_r = fd5_ctx->fsaturate_r, 141 .vastc_srgb = fd5_ctx->vastc_srgb, 142 .fastc_srgb = fd5_ctx->fastc_srgb, 143 }, 144 .rasterflat = ctx->rasterizer->flatshade, 145 .sprite_coord_enable = ctx->rasterizer->sprite_coord_enable, 146 .sprite_coord_mode = ctx->rasterizer->sprite_coord_mode, 147 }; 148 149 fixup_shader_state(ctx, &emit.key); 150 151 unsigned dirty = ctx->dirty; 152 153 /* do regular pass first, since that is more likely to fail compiling: */ 154 155 if (!(fd5_emit_get_vp(&emit) && fd5_emit_get_fp(&emit))) 156 return false; 157 158 emit.key.binning_pass = false; 159 emit.dirty = dirty; 160 161 draw_impl(ctx, ctx->batch->draw, &emit); 162 163 // /* and now binning pass: */ 164 // emit.key.binning_pass = true; 165 // emit.dirty = dirty & ~(FD_DIRTY_BLEND); 166 // emit.vp = NULL; /* we changed key so need to refetch vp */ 167 // emit.fp = NULL; 168 // draw_impl(ctx, ctx->batch->binning, &emit); 169 170 if (emit.streamout_mask) { 171 struct fd_ringbuffer *ring = ctx->batch->draw; 172 173 for (unsigned i = 0; i < PIPE_MAX_SO_BUFFERS; i++) { 174 if (emit.streamout_mask & (1 << i)) { 175 OUT_PKT7(ring, CP_EVENT_WRITE, 1); 176 OUT_RING(ring, FLUSH_SO_0 + i); 177 } 178 } 179 } 180 181 return true; 182 } 183 184 static void 185 fd5_clear(struct fd_context *ctx, unsigned buffers, 186 const union pipe_color_union *color, double depth, unsigned stencil) 187 { 188 struct fd_ringbuffer *ring = ctx->batch->draw; 189 struct pipe_framebuffer_state *pfb = &ctx->batch->framebuffer; 190 struct pipe_scissor_state *scissor = fd_context_get_scissor(ctx); 191 192 /* TODO handle scissor.. or fallback to slow-clear? */ 193 194 ctx->batch->max_scissor.minx = MIN2(ctx->batch->max_scissor.minx, scissor->minx); 195 ctx->batch->max_scissor.miny = MIN2(ctx->batch->max_scissor.miny, scissor->miny); 196 ctx->batch->max_scissor.maxx = MAX2(ctx->batch->max_scissor.maxx, scissor->maxx); 197 ctx->batch->max_scissor.maxy = MAX2(ctx->batch->max_scissor.maxy, scissor->maxy); 198 199 fd5_emit_render_cntl(ctx, true); 200 201 if (buffers & PIPE_CLEAR_COLOR) { 202 for (int i = 0; i < pfb->nr_cbufs; i++) { 203 union util_color uc = {0}; 204 205 if (!pfb->cbufs[i]) 206 continue; 207 208 if (!(buffers & (PIPE_CLEAR_COLOR0 << i))) 209 continue; 210 211 enum pipe_format pfmt = pfb->cbufs[i]->format; 212 213 // XXX I think RB_CLEAR_COLOR_DWn wants to take into account SWAP?? 214 union pipe_color_union swapped; 215 switch (fd5_pipe2swap(pfmt)) { 216 case WZYX: 217 swapped.ui[0] = color->ui[0]; 218 swapped.ui[1] = color->ui[1]; 219 swapped.ui[2] = color->ui[2]; 220 swapped.ui[3] = color->ui[3]; 221 break; 222 case WXYZ: 223 swapped.ui[2] = color->ui[0]; 224 swapped.ui[1] = color->ui[1]; 225 swapped.ui[0] = color->ui[2]; 226 swapped.ui[3] = color->ui[3]; 227 break; 228 case ZYXW: 229 swapped.ui[3] = color->ui[0]; 230 swapped.ui[0] = color->ui[1]; 231 swapped.ui[1] = color->ui[2]; 232 swapped.ui[2] = color->ui[3]; 233 break; 234 case XYZW: 235 swapped.ui[3] = color->ui[0]; 236 swapped.ui[2] = color->ui[1]; 237 swapped.ui[1] = color->ui[2]; 238 swapped.ui[0] = color->ui[3]; 239 break; 240 } 241 242 if (util_format_is_pure_uint(pfmt)) { 243 util_format_write_4ui(pfmt, swapped.ui, 0, &uc, 0, 0, 0, 1, 1); 244 } else if (util_format_is_pure_sint(pfmt)) { 245 util_format_write_4i(pfmt, swapped.i, 0, &uc, 0, 0, 0, 1, 1); 246 } else { 247 util_pack_color(swapped.f, pfmt, &uc); 248 } 249 250 OUT_PKT4(ring, REG_A5XX_RB_BLIT_CNTL, 1); 251 OUT_RING(ring, A5XX_RB_BLIT_CNTL_BUF(BLIT_MRT0 + i)); 252 253 OUT_PKT4(ring, REG_A5XX_RB_CLEAR_CNTL, 1); 254 OUT_RING(ring, A5XX_RB_CLEAR_CNTL_FAST_CLEAR | 255 A5XX_RB_CLEAR_CNTL_MASK(0xf)); 256 257 OUT_PKT4(ring, REG_A5XX_RB_CLEAR_COLOR_DW0, 4); 258 OUT_RING(ring, uc.ui[0]); /* RB_CLEAR_COLOR_DW0 */ 259 OUT_RING(ring, uc.ui[1]); /* RB_CLEAR_COLOR_DW1 */ 260 OUT_RING(ring, uc.ui[2]); /* RB_CLEAR_COLOR_DW2 */ 261 OUT_RING(ring, uc.ui[3]); /* RB_CLEAR_COLOR_DW3 */ 262 263 fd5_emit_blit(ctx, ring); 264 } 265 } 266 267 if (pfb->zsbuf && (buffers & (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL))) { 268 uint32_t clear = 269 util_pack_z_stencil(pfb->zsbuf->format, depth, stencil); 270 uint32_t mask = 0; 271 272 if (buffers & PIPE_CLEAR_DEPTH) 273 mask |= 0x1; 274 275 if (buffers & PIPE_CLEAR_STENCIL) 276 mask |= 0x2; 277 278 OUT_PKT4(ring, REG_A5XX_RB_BLIT_CNTL, 1); 279 OUT_RING(ring, A5XX_RB_BLIT_CNTL_BUF(BLIT_ZS)); 280 281 OUT_PKT4(ring, REG_A5XX_RB_CLEAR_CNTL, 1); 282 OUT_RING(ring, A5XX_RB_CLEAR_CNTL_FAST_CLEAR | 283 A5XX_RB_CLEAR_CNTL_MASK(mask)); 284 285 OUT_PKT4(ring, REG_A5XX_RB_CLEAR_COLOR_DW0, 1); 286 OUT_RING(ring, clear); /* RB_CLEAR_COLOR_DW0 */ 287 288 fd5_emit_blit(ctx, ring); 289 } 290 291 /* disable fast clear to not interfere w/ gmem->mem, etc.. */ 292 OUT_PKT4(ring, REG_A5XX_RB_CLEAR_CNTL, 1); 293 OUT_RING(ring, 0x00000000); /* RB_CLEAR_CNTL */ 294 } 295 296 void 297 fd5_draw_init(struct pipe_context *pctx) 298 { 299 struct fd_context *ctx = fd_context(pctx); 300 ctx->draw_vbo = fd5_draw_vbo; 301 ctx->clear = fd5_clear; 302 } 303
