src/gallium/drivers/freedreno/a2xx/fd2_gmem.c

   1 /*
   2  * Copyright (C) 2012 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/u_string.h"
  29 #include "util/u_memory.h"
  30 #include "util/u_inlines.h"
  31
  32 #include "freedreno_draw.h"
  33 #include "freedreno_state.h"
  34 #include "freedreno_resource.h"
  35
  36 #include "fd2_gmem.h"
  37 #include "fd2_context.h"
  38 #include "fd2_emit.h"
  39 #include "fd2_program.h"
  40 #include "fd2_util.h"
  41 #include "fd2_zsa.h"
  42 #include "fd2_draw.h"
  43 #include "instr-a2xx.h"
  44
  45 static uint32_t fmt2swap(enum pipe_format format)
  46 {
  47         switch (format) {
  48         case PIPE_FORMAT_B8G8R8A8_UNORM:
  49         case PIPE_FORMAT_B8G8R8X8_UNORM:
  50         case PIPE_FORMAT_B5G6R5_UNORM:
  51         case PIPE_FORMAT_B5G5R5A1_UNORM:
  52         case PIPE_FORMAT_B5G5R5X1_UNORM:
  53         case PIPE_FORMAT_B4G4R4A4_UNORM:
  54         case PIPE_FORMAT_B4G4R4X4_UNORM:
  55         /* TODO probably some more.. */
  56                 return 1;
  57         default:
  58                 return 0;
  59         }
  60 }
  61
  62 static bool
  63 use_hw_binning(struct fd_batch *batch)
  64 {
  65         struct fd_gmem_stateobj *gmem = &batch->ctx->gmem;
  66
  67         /* we hardcoded a limit of 8 "pipes", we can increase this limit
  68          * at the cost of a slightly larger command stream
  69          * however very few cases will need more than 8
  70          * gmem->num_vsc_pipes == 0 means empty batch (TODO: does it still happen?)
  71          */
  72         if (gmem->num_vsc_pipes > 8 || !gmem->num_vsc_pipes)
  73                 return false;
  74
  75         /* only a20x hw binning is implement
  76          * a22x is more like a3xx, but perhaps the a20x works? (TODO)
  77          */
  78         if (!is_a20x(batch->ctx->screen))
  79                 return false;
  80
  81         return fd_binning_enabled && ((gmem->nbins_x * gmem->nbins_y) > 2);
  82 }
  83
  84 /* transfer from gmem to system memory (ie. normal RAM) */
  85
  86 static void
  87 emit_gmem2mem_surf(struct fd_batch *batch, uint32_t base,
  88                 struct pipe_surface *psurf)
  89 {
  90         struct fd_ringbuffer *ring = batch->tile_fini;
  91         struct fd_resource *rsc = fd_resource(psurf->texture);
  92         uint32_t swap = fmt2swap(psurf->format);
  93         struct fd_resource_slice *slice =
  94                 fd_resource_slice(rsc, psurf->u.tex.level);
  95         uint32_t offset =
  96                 fd_resource_offset(rsc, psurf->u.tex.level, psurf->u.tex.first_layer);
  97
  98         assert((slice->pitch & 31) == 0);
  99         assert((offset & 0xfff) == 0);
 100
 101         if (!rsc->valid)
 102                 return;
 103
 104         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 105         OUT_RING(ring, CP_REG(REG_A2XX_RB_COLOR_INFO));
 106         OUT_RING(ring, A2XX_RB_COLOR_INFO_SWAP(swap) |
 107                         A2XX_RB_COLOR_INFO_BASE(base) |
 108                         A2XX_RB_COLOR_INFO_FORMAT(fd2_pipe2color(psurf->format)));
 109
 110         OUT_PKT3(ring, CP_SET_CONSTANT, 5);
 111         OUT_RING(ring, CP_REG(REG_A2XX_RB_COPY_CONTROL));
 112         OUT_RING(ring, 0x00000000);             /* RB_COPY_CONTROL */
 113         OUT_RELOCW(ring, rsc->bo, offset, 0, 0);     /* RB_COPY_DEST_BASE */
 114         OUT_RING(ring, slice->pitch >> 5); /* RB_COPY_DEST_PITCH */
 115         OUT_RING(ring,                          /* RB_COPY_DEST_INFO */
 116                         A2XX_RB_COPY_DEST_INFO_FORMAT(fd2_pipe2color(psurf->format)) |
 117                         COND(!rsc->tile_mode, A2XX_RB_COPY_DEST_INFO_LINEAR) |
 118                         A2XX_RB_COPY_DEST_INFO_SWAP(swap) |
 119                         A2XX_RB_COPY_DEST_INFO_WRITE_RED |
 120                         A2XX_RB_COPY_DEST_INFO_WRITE_GREEN |
 121                         A2XX_RB_COPY_DEST_INFO_WRITE_BLUE |
 122                         A2XX_RB_COPY_DEST_INFO_WRITE_ALPHA);
 123
 124         if (!is_a20x(batch->ctx->screen)) {
 125                 OUT_WFI (ring);
 126
 127                 OUT_PKT3(ring, CP_SET_CONSTANT, 3);
 128                 OUT_RING(ring, CP_REG(REG_A2XX_VGT_MAX_VTX_INDX));
 129                 OUT_RING(ring, 3);                 /* VGT_MAX_VTX_INDX */
 130                 OUT_RING(ring, 0);                 /* VGT_MIN_VTX_INDX */
 131         }
 132
 133         fd_draw(batch, ring, DI_PT_RECTLIST, IGNORE_VISIBILITY,
 134                         DI_SRC_SEL_AUTO_INDEX, 3, 0, INDEX_SIZE_IGN, 0, 0, NULL);
 135 }
 136
 137 static void
 138 prepare_tile_fini_ib(struct fd_batch *batch)
 139 {
 140         struct fd_context *ctx = batch->ctx;
 141         struct fd2_context *fd2_ctx = fd2_context(ctx);
 142         struct fd_gmem_stateobj *gmem = &ctx->gmem;
 143         struct pipe_framebuffer_state *pfb = &batch->framebuffer;
 144         struct fd_ringbuffer *ring;
 145
 146         batch->tile_fini = fd_submit_new_ringbuffer(batch->submit, 0x1000,
 147                         FD_RINGBUFFER_STREAMING);
 148         ring = batch->tile_fini;
 149
 150         fd2_emit_vertex_bufs(ring, 0x9c, (struct fd2_vertex_buf[]) {
 151                         { .prsc = fd2_ctx->solid_vertexbuf, .size = 36 },
 152                 }, 1);
 153
 154         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 155         OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_WINDOW_OFFSET));
 156         OUT_RING(ring, 0x00000000);          /* PA_SC_WINDOW_OFFSET */
 157
 158         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 159         OUT_RING(ring, CP_REG(REG_A2XX_VGT_INDX_OFFSET));
 160         OUT_RING(ring, 0);
 161
 162         if (!is_a20x(ctx->screen)) {
 163                 OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 164                 OUT_RING(ring, CP_REG(REG_A2XX_VGT_VERTEX_REUSE_BLOCK_CNTL));
 165                 OUT_RING(ring, 0x0000028f);
 166         }
 167
 168         fd2_program_emit(ctx, ring, &ctx->solid_prog);
 169
 170         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 171         OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_AA_MASK));
 172         OUT_RING(ring, 0x0000ffff);
 173
 174         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 175         OUT_RING(ring, CP_REG(REG_A2XX_RB_DEPTHCONTROL));
 176         OUT_RING(ring, A2XX_RB_DEPTHCONTROL_EARLY_Z_ENABLE);
 177
 178         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 179         OUT_RING(ring, CP_REG(REG_A2XX_PA_SU_SC_MODE_CNTL));
 180         OUT_RING(ring, A2XX_PA_SU_SC_MODE_CNTL_PROVOKING_VTX_LAST |  /* PA_SU_SC_MODE_CNTL */
 181                         A2XX_PA_SU_SC_MODE_CNTL_FRONT_PTYPE(PC_DRAW_TRIANGLES) |
 182                         A2XX_PA_SU_SC_MODE_CNTL_BACK_PTYPE(PC_DRAW_TRIANGLES));
 183
 184         OUT_PKT3(ring, CP_SET_CONSTANT, 3);
 185         OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_WINDOW_SCISSOR_TL));
 186         OUT_RING(ring, xy2d(0, 0));                       /* PA_SC_WINDOW_SCISSOR_TL */
 187         OUT_RING(ring, xy2d(pfb->width, pfb->height));    /* PA_SC_WINDOW_SCISSOR_BR */
 188
 189         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 190         OUT_RING(ring, CP_REG(REG_A2XX_PA_CL_CLIP_CNTL));
 191         OUT_RING(ring, 0x00000000);
 192
 193         OUT_PKT3(ring, CP_SET_CONSTANT, 5);
 194         OUT_RING(ring, CP_REG(REG_A2XX_PA_CL_VPORT_XSCALE));
 195         OUT_RING(ring, fui((float) gmem->bin_w / 2.0)); /* XSCALE */
 196         OUT_RING(ring, fui((float) gmem->bin_w / 2.0)); /* XOFFSET */
 197         OUT_RING(ring, fui((float) gmem->bin_h / 2.0)); /* YSCALE */
 198         OUT_RING(ring, fui((float) gmem->bin_h / 2.0)); /* YOFFSET */
 199
 200         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 201         OUT_RING(ring, CP_REG(REG_A2XX_RB_MODECONTROL));
 202         OUT_RING(ring, A2XX_RB_MODECONTROL_EDRAM_MODE(EDRAM_COPY));
 203
 204         if (batch->resolve & (FD_BUFFER_DEPTH | FD_BUFFER_STENCIL))
 205                 emit_gmem2mem_surf(batch, gmem->zsbuf_base[0], pfb->zsbuf);
 206
 207         if (batch->resolve & FD_BUFFER_COLOR)
 208                 emit_gmem2mem_surf(batch, gmem->cbuf_base[0], pfb->cbufs[0]);
 209
 210         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 211         OUT_RING(ring, CP_REG(REG_A2XX_RB_MODECONTROL));
 212         OUT_RING(ring, A2XX_RB_MODECONTROL_EDRAM_MODE(COLOR_DEPTH));
 213
 214         if (!is_a20x(ctx->screen)) {
 215                 OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 216                 OUT_RING(ring, CP_REG(REG_A2XX_VGT_VERTEX_REUSE_BLOCK_CNTL));
 217                 OUT_RING(ring, 0x0000003b);
 218         }
 219 }
 220
 221 static void
 222 fd2_emit_tile_gmem2mem(struct fd_batch *batch, struct fd_tile *tile)
 223 {
 224         fd2_emit_ib(batch->gmem, batch->tile_fini);
 225 }
 226
 227 /* transfer from system memory to gmem */
 228
 229 static void
 230 emit_mem2gmem_surf(struct fd_batch *batch, uint32_t base,
 231                 struct pipe_surface *psurf)
 232 {
 233         struct fd_ringbuffer *ring = batch->gmem;
 234         struct fd_resource *rsc = fd_resource(psurf->texture);
 235         struct fd_resource_slice *slice =
 236                 fd_resource_slice(rsc, psurf->u.tex.level);
 237         uint32_t offset =
 238                 fd_resource_offset(rsc, psurf->u.tex.level, psurf->u.tex.first_layer);
 239         uint32_t swiz;
 240
 241         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 242         OUT_RING(ring, CP_REG(REG_A2XX_RB_COLOR_INFO));
 243         OUT_RING(ring, A2XX_RB_COLOR_INFO_SWAP(fmt2swap(psurf->format)) |
 244                         A2XX_RB_COLOR_INFO_BASE(base) |
 245                         A2XX_RB_COLOR_INFO_FORMAT(fd2_pipe2color(psurf->format)));
 246
 247         swiz = fd2_tex_swiz(psurf->format, PIPE_SWIZZLE_X, PIPE_SWIZZLE_Y,
 248                         PIPE_SWIZZLE_Z, PIPE_SWIZZLE_W);
 249
 250         /* emit fb as a texture: */
 251         OUT_PKT3(ring, CP_SET_CONSTANT, 7);
 252         OUT_RING(ring, 0x00010000);
 253         OUT_RING(ring, A2XX_SQ_TEX_0_CLAMP_X(SQ_TEX_WRAP) |
 254                         A2XX_SQ_TEX_0_CLAMP_Y(SQ_TEX_WRAP) |
 255                         A2XX_SQ_TEX_0_CLAMP_Z(SQ_TEX_WRAP) |
 256                         A2XX_SQ_TEX_0_PITCH(slice->pitch));
 257         OUT_RELOC(ring, rsc->bo, offset,
 258                         fd2_pipe2surface(psurf->format) |
 259                         A2XX_SQ_TEX_1_CLAMP_POLICY(SQ_TEX_CLAMP_POLICY_OGL), 0);
 260         OUT_RING(ring, A2XX_SQ_TEX_2_WIDTH(psurf->width - 1) |
 261                         A2XX_SQ_TEX_2_HEIGHT(psurf->height - 1));
 262         OUT_RING(ring, A2XX_SQ_TEX_3_MIP_FILTER(SQ_TEX_FILTER_BASEMAP) |
 263                         swiz |
 264                         A2XX_SQ_TEX_3_XY_MAG_FILTER(SQ_TEX_FILTER_POINT) |
 265                         A2XX_SQ_TEX_3_XY_MIN_FILTER(SQ_TEX_FILTER_POINT));
 266         OUT_RING(ring, 0x00000000);
 267         OUT_RING(ring, A2XX_SQ_TEX_5_DIMENSION(SQ_TEX_DIMENSION_2D));
 268
 269         if (!is_a20x(batch->ctx->screen)) {
 270                 OUT_PKT3(ring, CP_SET_CONSTANT, 3);
 271                 OUT_RING(ring, CP_REG(REG_A2XX_VGT_MAX_VTX_INDX));
 272                 OUT_RING(ring, 3);                 /* VGT_MAX_VTX_INDX */
 273                 OUT_RING(ring, 0);                 /* VGT_MIN_VTX_INDX */
 274         }
 275
 276         fd_draw(batch, ring, DI_PT_RECTLIST, IGNORE_VISIBILITY,
 277                         DI_SRC_SEL_AUTO_INDEX, 3, 0, INDEX_SIZE_IGN, 0, 0, NULL);
 278 }
 279
 280 static void
 281 fd2_emit_tile_mem2gmem(struct fd_batch *batch, struct fd_tile *tile)
 282 {
 283         struct fd_context *ctx = batch->ctx;
 284         struct fd2_context *fd2_ctx = fd2_context(ctx);
 285         struct fd_gmem_stateobj *gmem = &ctx->gmem;
 286         struct fd_ringbuffer *ring = batch->gmem;
 287         struct pipe_framebuffer_state *pfb = &batch->framebuffer;
 288         unsigned bin_w = tile->bin_w;
 289         unsigned bin_h = tile->bin_h;
 290         float x0, y0, x1, y1;
 291
 292         fd2_emit_vertex_bufs(ring, 0x9c, (struct fd2_vertex_buf[]) {
 293                         { .prsc = fd2_ctx->solid_vertexbuf, .size = 36 },
 294                         { .prsc = fd2_ctx->solid_vertexbuf, .size = 24, .offset = 36 },
 295                 }, 2);
 296
 297         /* write texture coordinates to vertexbuf: */
 298         x0 = ((float)tile->xoff) / ((float)pfb->width);
 299         x1 = ((float)tile->xoff + bin_w) / ((float)pfb->width);
 300         y0 = ((float)tile->yoff) / ((float)pfb->height);
 301         y1 = ((float)tile->yoff + bin_h) / ((float)pfb->height);
 302         OUT_PKT3(ring, CP_MEM_WRITE, 7);
 303         OUT_RELOC(ring, fd_resource(fd2_ctx->solid_vertexbuf)->bo, 36, 0, 0);
 304         OUT_RING(ring, fui(x0));
 305         OUT_RING(ring, fui(y0));
 306         OUT_RING(ring, fui(x1));
 307         OUT_RING(ring, fui(y0));
 308         OUT_RING(ring, fui(x0));
 309         OUT_RING(ring, fui(y1));
 310
 311         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 312         OUT_RING(ring, CP_REG(REG_A2XX_VGT_INDX_OFFSET));
 313         OUT_RING(ring, 0);
 314
 315         fd2_program_emit(ctx, ring, &ctx->blit_prog[0]);
 316
 317         OUT_PKT0(ring, REG_A2XX_TC_CNTL_STATUS, 1);
 318         OUT_RING(ring, A2XX_TC_CNTL_STATUS_L2_INVALIDATE);
 319
 320         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 321         OUT_RING(ring, CP_REG(REG_A2XX_RB_DEPTHCONTROL));
 322         OUT_RING(ring, A2XX_RB_DEPTHCONTROL_EARLY_Z_ENABLE);
 323
 324         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 325         OUT_RING(ring, CP_REG(REG_A2XX_PA_SU_SC_MODE_CNTL));
 326         OUT_RING(ring, A2XX_PA_SU_SC_MODE_CNTL_PROVOKING_VTX_LAST |
 327                         A2XX_PA_SU_SC_MODE_CNTL_FRONT_PTYPE(PC_DRAW_TRIANGLES) |
 328                         A2XX_PA_SU_SC_MODE_CNTL_BACK_PTYPE(PC_DRAW_TRIANGLES));
 329
 330         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 331         OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_AA_MASK));
 332         OUT_RING(ring, 0x0000ffff);
 333
 334         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 335         OUT_RING(ring, CP_REG(REG_A2XX_RB_COLORCONTROL));
 336         OUT_RING(ring, A2XX_RB_COLORCONTROL_ALPHA_FUNC(FUNC_ALWAYS) |
 337                         A2XX_RB_COLORCONTROL_BLEND_DISABLE |
 338                         A2XX_RB_COLORCONTROL_ROP_CODE(12) |
 339                         A2XX_RB_COLORCONTROL_DITHER_MODE(DITHER_DISABLE) |
 340                         A2XX_RB_COLORCONTROL_DITHER_TYPE(DITHER_PIXEL));
 341
 342         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 343         OUT_RING(ring, CP_REG(REG_A2XX_RB_BLEND_CONTROL));
 344         OUT_RING(ring, A2XX_RB_BLEND_CONTROL_COLOR_SRCBLEND(FACTOR_ONE) |
 345                         A2XX_RB_BLEND_CONTROL_COLOR_COMB_FCN(BLEND2_DST_PLUS_SRC) |
 346                         A2XX_RB_BLEND_CONTROL_COLOR_DESTBLEND(FACTOR_ZERO) |
 347                         A2XX_RB_BLEND_CONTROL_ALPHA_SRCBLEND(FACTOR_ONE) |
 348                         A2XX_RB_BLEND_CONTROL_ALPHA_COMB_FCN(BLEND2_DST_PLUS_SRC) |
 349                         A2XX_RB_BLEND_CONTROL_ALPHA_DESTBLEND(FACTOR_ZERO));
 350
 351         OUT_PKT3(ring, CP_SET_CONSTANT, 3);
 352         OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_WINDOW_SCISSOR_TL));
 353         OUT_RING(ring, A2XX_PA_SC_WINDOW_OFFSET_DISABLE |
 354                         xy2d(0,0));                     /* PA_SC_WINDOW_SCISSOR_TL */
 355         OUT_RING(ring, xy2d(bin_w, bin_h));     /* PA_SC_WINDOW_SCISSOR_BR */
 356
 357         OUT_PKT3(ring, CP_SET_CONSTANT, 5);
 358         OUT_RING(ring, CP_REG(REG_A2XX_PA_CL_VPORT_XSCALE));
 359         OUT_RING(ring, fui((float)bin_w/2.0));  /* PA_CL_VPORT_XSCALE */
 360         OUT_RING(ring, fui((float)bin_w/2.0));  /* PA_CL_VPORT_XOFFSET */
 361         OUT_RING(ring, fui(-(float)bin_h/2.0)); /* PA_CL_VPORT_YSCALE */
 362         OUT_RING(ring, fui((float)bin_h/2.0));  /* PA_CL_VPORT_YOFFSET */
 363
 364         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 365         OUT_RING(ring, CP_REG(REG_A2XX_PA_CL_VTE_CNTL));
 366         OUT_RING(ring, A2XX_PA_CL_VTE_CNTL_VTX_XY_FMT |
 367                         A2XX_PA_CL_VTE_CNTL_VTX_Z_FMT |       // XXX check this???
 368                         A2XX_PA_CL_VTE_CNTL_VPORT_X_SCALE_ENA |
 369                         A2XX_PA_CL_VTE_CNTL_VPORT_X_OFFSET_ENA |
 370                         A2XX_PA_CL_VTE_CNTL_VPORT_Y_SCALE_ENA |
 371                         A2XX_PA_CL_VTE_CNTL_VPORT_Y_OFFSET_ENA);
 372
 373         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 374         OUT_RING(ring, CP_REG(REG_A2XX_PA_CL_CLIP_CNTL));
 375         OUT_RING(ring, 0x00000000);
 376
 377         if (fd_gmem_needs_restore(batch, tile, FD_BUFFER_DEPTH | FD_BUFFER_STENCIL))
 378                 emit_mem2gmem_surf(batch, gmem->zsbuf_base[0], pfb->zsbuf);
 379
 380         if (fd_gmem_needs_restore(batch, tile, FD_BUFFER_COLOR))
 381                 emit_mem2gmem_surf(batch, gmem->cbuf_base[0], pfb->cbufs[0]);
 382
 383         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 384         OUT_RING(ring, CP_REG(REG_A2XX_PA_CL_VTE_CNTL));
 385         OUT_RING(ring, A2XX_PA_CL_VTE_CNTL_VTX_W0_FMT |
 386                         A2XX_PA_CL_VTE_CNTL_VPORT_X_SCALE_ENA |
 387                         A2XX_PA_CL_VTE_CNTL_VPORT_X_OFFSET_ENA |
 388                         A2XX_PA_CL_VTE_CNTL_VPORT_Y_SCALE_ENA |
 389                         A2XX_PA_CL_VTE_CNTL_VPORT_Y_OFFSET_ENA |
 390                         A2XX_PA_CL_VTE_CNTL_VPORT_Z_SCALE_ENA |
 391                         A2XX_PA_CL_VTE_CNTL_VPORT_Z_OFFSET_ENA);
 392
 393         /* TODO blob driver seems to toss in a CACHE_FLUSH after each DRAW_INDX.. */
 394 }
 395
 396 static void
 397 patch_draws(struct fd_batch *batch, enum pc_di_vis_cull_mode vismode)
 398 {
 399         unsigned i;
 400
 401         if (!is_a20x(batch->ctx->screen)) {
 402                 /* identical to a3xx */
 403                 for (i = 0; i < fd_patch_num_elements(&batch->draw_patches); i++) {
 404                         struct fd_cs_patch *patch = fd_patch_element(&batch->draw_patches, i);
 405                         *patch->cs = patch->val | DRAW(0, 0, 0, vismode, 0);
 406                 }
 407                 util_dynarray_clear(&batch->draw_patches);
 408                 return;
 409         }
 410
 411         if (vismode == USE_VISIBILITY)
 412                 return;
 413
 414         for (i = 0; i < batch->draw_patches.size / sizeof(uint32_t*); i++) {
 415                 uint32_t *ptr = *util_dynarray_element(&batch->draw_patches, uint32_t*, i);
 416                 unsigned cnt = ptr[0] >> 16 & 0xfff; /* 5 with idx buffer, 3 without */
 417
 418                 /* convert CP_DRAW_INDX_BIN to a CP_DRAW_INDX
 419                  * replace first two DWORDS with NOP and move the rest down
 420                  * (we don't want to have to move the idx buffer reloc)
 421                  */
 422                 ptr[0] = CP_TYPE3_PKT | (CP_NOP << 8);
 423                 ptr[1] = 0x00000000;
 424
 425                 ptr[4] = ptr[2] & ~(1 << 14 | 1 << 15); /* remove cull_enable bits */
 426                 ptr[2] = CP_TYPE3_PKT | ((cnt-2) << 16) | (CP_DRAW_INDX << 8);
 427                 ptr[3] = 0x00000000;
 428         }
 429 }
 430
 431 static void
 432 fd2_emit_sysmem_prep(struct fd_batch *batch)
 433 {
 434         struct fd_context *ctx = batch->ctx;
 435         struct fd_ringbuffer *ring = batch->gmem;
 436         struct pipe_framebuffer_state *pfb = &batch->framebuffer;
 437         struct pipe_surface *psurf = pfb->cbufs[0];
 438
 439         if (!psurf)
 440                 return;
 441
 442         struct fd_resource *rsc = fd_resource(psurf->texture);
 443         struct fd_resource_slice *slice =
 444                 fd_resource_slice(rsc, psurf->u.tex.level);
 445         uint32_t offset =
 446                 fd_resource_offset(rsc, psurf->u.tex.level, psurf->u.tex.first_layer);
 447
 448         assert((slice->pitch & 31) == 0);
 449         assert((offset & 0xfff) == 0);
 450
 451         fd2_emit_restore(ctx, ring);
 452
 453         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 454         OUT_RING(ring, CP_REG(REG_A2XX_RB_SURFACE_INFO));
 455         OUT_RING(ring, A2XX_RB_SURFACE_INFO_SURFACE_PITCH(slice->pitch));
 456
 457         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 458         OUT_RING(ring, CP_REG(REG_A2XX_RB_COLOR_INFO));
 459         OUT_RELOCW(ring, rsc->bo, offset,
 460                 COND(!rsc->tile_mode, A2XX_RB_COLOR_INFO_LINEAR) |
 461                 A2XX_RB_COLOR_INFO_SWAP(fmt2swap(psurf->format)) |
 462                 A2XX_RB_COLOR_INFO_FORMAT(fd2_pipe2color(psurf->format)), 0);
 463
 464         OUT_PKT3(ring, CP_SET_CONSTANT, 3);
 465         OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_SCREEN_SCISSOR_TL));
 466         OUT_RING(ring, A2XX_PA_SC_SCREEN_SCISSOR_TL_WINDOW_OFFSET_DISABLE);
 467         OUT_RING(ring, A2XX_PA_SC_SCREEN_SCISSOR_BR_X(pfb->width) |
 468                 A2XX_PA_SC_SCREEN_SCISSOR_BR_Y(pfb->height));
 469
 470         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 471         OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_WINDOW_OFFSET));
 472         OUT_RING(ring, A2XX_PA_SC_WINDOW_OFFSET_X(0) |
 473                         A2XX_PA_SC_WINDOW_OFFSET_Y(0));
 474
 475         patch_draws(batch, IGNORE_VISIBILITY);
 476         util_dynarray_clear(&batch->draw_patches);
 477         util_dynarray_clear(&batch->shader_patches);
 478 }
 479
 480 /* before first tile */
 481 static void
 482 fd2_emit_tile_init(struct fd_batch *batch)
 483 {
 484         struct fd_context *ctx = batch->ctx;
 485         struct fd_ringbuffer *ring = batch->gmem;
 486         struct pipe_framebuffer_state *pfb = &batch->framebuffer;
 487         struct fd_gmem_stateobj *gmem = &ctx->gmem;
 488         enum pipe_format format = pipe_surface_format(pfb->cbufs[0]);
 489         uint32_t reg;
 490
 491         fd2_emit_restore(ctx, ring);
 492
 493         prepare_tile_fini_ib(batch);
 494
 495         OUT_PKT3(ring, CP_SET_CONSTANT, 4);
 496         OUT_RING(ring, CP_REG(REG_A2XX_RB_SURFACE_INFO));
 497         OUT_RING(ring, gmem->bin_w);                 /* RB_SURFACE_INFO */
 498         OUT_RING(ring, A2XX_RB_COLOR_INFO_SWAP(fmt2swap(format)) |
 499                         A2XX_RB_COLOR_INFO_FORMAT(fd2_pipe2color(format)));
 500         reg = A2XX_RB_DEPTH_INFO_DEPTH_BASE(gmem->zsbuf_base[0]);
 501         if (pfb->zsbuf)
 502                 reg |= A2XX_RB_DEPTH_INFO_DEPTH_FORMAT(fd_pipe2depth(pfb->zsbuf->format));
 503         OUT_RING(ring, reg);                         /* RB_DEPTH_INFO */
 504
 505         /* fast clear patches */
 506         int depth_size = -1;
 507         int color_size = -1;
 508
 509         if (pfb->cbufs[0])
 510                 color_size = util_format_get_blocksizebits(format) == 32 ? 4 : 2;
 511
 512         if (pfb->zsbuf)
 513                 depth_size = fd_pipe2depth(pfb->zsbuf->format) == 1 ? 4 : 2;
 514
 515         for (int i = 0; i < fd_patch_num_elements(&batch->gmem_patches); i++) {
 516                 struct fd_cs_patch *patch = fd_patch_element(&batch->gmem_patches, i);
 517                 uint32_t color_base = 0, depth_base = gmem->zsbuf_base[0];
 518                 uint32_t size, lines;
 519
 520                 /* note: 1 "line" is 512 bytes in both color/depth areas (1K total) */
 521                 switch (patch->val) {
 522                 case GMEM_PATCH_FASTCLEAR_COLOR:
 523                         size = align(gmem->bin_w * gmem->bin_h * color_size, 0x8000);
 524                         lines = size / 1024;
 525                         depth_base = size / 2;
 526                         break;
 527                 case GMEM_PATCH_FASTCLEAR_DEPTH:
 528                         size = align(gmem->bin_w * gmem->bin_h * depth_size, 0x8000);
 529                         lines = size / 1024;
 530                         color_base = depth_base;
 531                         depth_base = depth_base + size / 2;
 532                         break;
 533                 case GMEM_PATCH_FASTCLEAR_COLOR_DEPTH:
 534                         lines = align(gmem->bin_w * gmem->bin_h * color_size * 2, 0x8000) / 1024;
 535                         break;
 536                 case GMEM_PATCH_RESTORE_INFO:
 537                         patch->cs[0] = gmem->bin_w;
 538                         patch->cs[1] = A2XX_RB_COLOR_INFO_SWAP(fmt2swap(format)) |
 539                                         A2XX_RB_COLOR_INFO_FORMAT(fd2_pipe2color(format));
 540                         patch->cs[2] = A2XX_RB_DEPTH_INFO_DEPTH_BASE(gmem->zsbuf_base[0]);
 541                         if (pfb->zsbuf)
 542                                 patch->cs[2] |= A2XX_RB_DEPTH_INFO_DEPTH_FORMAT(fd_pipe2depth(pfb->zsbuf->format));
 543                         continue;
 544                 default:
 545                         continue;
 546                 }
 547
 548                 patch->cs[0] = A2XX_PA_SC_SCREEN_SCISSOR_BR_X(32) |
 549                         A2XX_PA_SC_SCREEN_SCISSOR_BR_Y(lines);
 550                 patch->cs[4] = A2XX_RB_COLOR_INFO_BASE(color_base) |
 551                         A2XX_RB_COLOR_INFO_FORMAT(COLORX_8_8_8_8);
 552                 patch->cs[5] = A2XX_RB_DEPTH_INFO_DEPTH_BASE(depth_base) |
 553                         A2XX_RB_DEPTH_INFO_DEPTH_FORMAT(1);
 554         }
 555         util_dynarray_clear(&batch->gmem_patches);
 556
 557         /* set to zero, for some reason hardware doesn't like certain values */
 558         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 559         OUT_RING(ring, CP_REG(REG_A2XX_VGT_CURRENT_BIN_ID_MIN));
 560         OUT_RING(ring, 0);
 561
 562         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 563         OUT_RING(ring, CP_REG(REG_A2XX_VGT_CURRENT_BIN_ID_MAX));
 564         OUT_RING(ring, 0);
 565
 566         if (use_hw_binning(batch)) {
 567                 /* patch out unneeded memory exports by changing EXEC CF to EXEC_END
 568                  *
 569                  * in the shader compiler, we guarantee that the shader ends with
 570                  * a specific pattern of ALLOC/EXEC CF pairs for the hw binning exports
 571                  *
 572                  * the since patches point only to dwords and CFs are 1.5 dwords
 573                  * the patch is aligned and might point to a ALLOC CF
 574                  */
 575                 for (int i = 0; i < batch->shader_patches.size / sizeof(void*); i++) {
 576                         instr_cf_t *cf =
 577                                 *util_dynarray_element(&batch->shader_patches, instr_cf_t*, i);
 578                         if (cf->opc == ALLOC)
 579                                 cf++;
 580                         assert(cf->opc == EXEC);
 581                         assert(cf[ctx->screen->num_vsc_pipes*2-2].opc == EXEC_END);
 582                         cf[2*(gmem->num_vsc_pipes-1)].opc = EXEC_END;
 583                 }
 584
 585                 patch_draws(batch, USE_VISIBILITY);
 586
 587                 /* initialize shader constants for the binning memexport */
 588                 OUT_PKT3(ring, CP_SET_CONSTANT, 1 + gmem->num_vsc_pipes * 4);
 589                 OUT_RING(ring, 0x0000000C);
 590
 591                 for (int i = 0; i < gmem->num_vsc_pipes; i++) {
 592                         struct fd_vsc_pipe *pipe = &ctx->vsc_pipe[i];
 593
 594                         /* allocate in 64k increments to avoid reallocs */
 595                         uint32_t bo_size = align(batch->num_vertices, 0x10000);
 596                         if (!pipe->bo || fd_bo_size(pipe->bo) < bo_size) {
 597                                 if (pipe->bo)
 598                                         fd_bo_del(pipe->bo);
 599                                 pipe->bo = fd_bo_new(ctx->dev, bo_size,
 600                                                 DRM_FREEDRENO_GEM_TYPE_KMEM, "vsc_pipe[%u]", i);
 601                                 assert(pipe->bo);
 602                         }
 603
 604                         /* memory export address (export32):
 605                          * .x: (base_address >> 2) | 0x40000000 (?)
 606                          * .y: index (float) - set by shader
 607                          * .z: 0x4B00D000 (?)
 608                          * .w: 0x4B000000 (?) | max_index (?)
 609                         */
 610                         OUT_RELOCW(ring, pipe->bo, 0, 0x40000000, -2);
 611                         OUT_RING(ring, 0x00000000);
 612                         OUT_RING(ring, 0x4B00D000);
 613                         OUT_RING(ring, 0x4B000000 | bo_size);
 614                 }
 615
 616                 OUT_PKT3(ring, CP_SET_CONSTANT, 1 + gmem->num_vsc_pipes * 8);
 617                 OUT_RING(ring, 0x0000018C);
 618
 619                 for (int i = 0; i < gmem->num_vsc_pipes; i++) {
 620                         struct fd_vsc_pipe *pipe = &ctx->vsc_pipe[i];
 621                         float off_x, off_y, mul_x, mul_y;
 622
 623                         /* const to tranform from [-1,1] to bin coordinates for this pipe
 624                          * for x/y, [0,256/2040] = 0, [256/2040,512/2040] = 1, etc
 625                          * 8 possible values on x/y axis,
 626                          * to clip at binning stage: only use center 6x6
 627                          * TODO: set the z parameters too so that hw binning
 628                          * can clip primitives in Z too
 629                          */
 630
 631                         mul_x = 1.0f / (float) (gmem->bin_w * 8);
 632                         mul_y = 1.0f / (float) (gmem->bin_h * 8);
 633                         off_x = -pipe->x * (1.0/8.0f) + 0.125f - mul_x * gmem->minx;
 634                         off_y = -pipe->y * (1.0/8.0f) + 0.125f - mul_y * gmem->miny;
 635
 636                         OUT_RING(ring, fui(off_x * (256.0f/255.0f)));
 637                         OUT_RING(ring, fui(off_y * (256.0f/255.0f)));
 638                         OUT_RING(ring, 0x3f000000);
 639                         OUT_RING(ring, fui(0.0f));
 640
 641                         OUT_RING(ring, fui(mul_x * (256.0f/255.0f)));
 642                         OUT_RING(ring, fui(mul_y * (256.0f/255.0f)));
 643                         OUT_RING(ring, fui(0.0f));
 644                         OUT_RING(ring, fui(0.0f));
 645                 }
 646
 647                 OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 648                 OUT_RING(ring, CP_REG(REG_A2XX_VGT_VERTEX_REUSE_BLOCK_CNTL));
 649                 OUT_RING(ring, 0);
 650
 651                 fd2_emit_ib(ring, batch->binning);
 652
 653                 OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 654                 OUT_RING(ring, CP_REG(REG_A2XX_VGT_VERTEX_REUSE_BLOCK_CNTL));
 655                 OUT_RING(ring, 0x00000002);
 656         } else {
 657                 patch_draws(batch, IGNORE_VISIBILITY);
 658         }
 659
 660         util_dynarray_clear(&batch->draw_patches);
 661         util_dynarray_clear(&batch->shader_patches);
 662 }
 663
 664 /* before mem2gmem */
 665 static void
 666 fd2_emit_tile_prep(struct fd_batch *batch, struct fd_tile *tile)
 667 {
 668         struct fd_ringbuffer *ring = batch->gmem;
 669         struct pipe_framebuffer_state *pfb = &batch->framebuffer;
 670         enum pipe_format format = pipe_surface_format(pfb->cbufs[0]);
 671
 672         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 673         OUT_RING(ring, CP_REG(REG_A2XX_RB_COLOR_INFO));
 674         OUT_RING(ring, A2XX_RB_COLOR_INFO_SWAP(1) | /* RB_COLOR_INFO */
 675                         A2XX_RB_COLOR_INFO_FORMAT(fd2_pipe2color(format)));
 676
 677         /* setup screen scissor for current tile (same for mem2gmem): */
 678         OUT_PKT3(ring, CP_SET_CONSTANT, 3);
 679         OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_SCREEN_SCISSOR_TL));
 680         OUT_RING(ring, A2XX_PA_SC_SCREEN_SCISSOR_TL_X(0) |
 681                         A2XX_PA_SC_SCREEN_SCISSOR_TL_Y(0));
 682         OUT_RING(ring, A2XX_PA_SC_SCREEN_SCISSOR_BR_X(tile->bin_w) |
 683                         A2XX_PA_SC_SCREEN_SCISSOR_BR_Y(tile->bin_h));
 684 }
 685
 686 /* before IB to rendering cmds: */
 687 static void
 688 fd2_emit_tile_renderprep(struct fd_batch *batch, struct fd_tile *tile)
 689 {
 690         struct fd_context *ctx = batch->ctx;
 691         struct fd2_context *fd2_ctx = fd2_context(ctx);
 692         struct fd_ringbuffer *ring = batch->gmem;
 693         struct pipe_framebuffer_state *pfb = &batch->framebuffer;
 694         enum pipe_format format = pipe_surface_format(pfb->cbufs[0]);
 695
 696         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 697         OUT_RING(ring, CP_REG(REG_A2XX_RB_COLOR_INFO));
 698         OUT_RING(ring, A2XX_RB_COLOR_INFO_SWAP(fmt2swap(format)) |
 699                         A2XX_RB_COLOR_INFO_FORMAT(fd2_pipe2color(format)));
 700
 701         /* setup window scissor and offset for current tile (different
 702          * from mem2gmem):
 703          */
 704         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 705         OUT_RING(ring, CP_REG(REG_A2XX_PA_SC_WINDOW_OFFSET));
 706         OUT_RING(ring, A2XX_PA_SC_WINDOW_OFFSET_X(-tile->xoff) |
 707                         A2XX_PA_SC_WINDOW_OFFSET_Y(-tile->yoff));
 708
 709         /* write SCISSOR_BR to memory so fast clear path can restore from it */
 710         OUT_PKT3(ring, CP_MEM_WRITE, 2);
 711         OUT_RELOC(ring, fd_resource(fd2_ctx->solid_vertexbuf)->bo, 60, 0, 0);
 712         OUT_RING(ring, A2XX_PA_SC_SCREEN_SCISSOR_BR_X(tile->bin_w) |
 713                         A2XX_PA_SC_SCREEN_SCISSOR_BR_Y(tile->bin_h));
 714
 715         /* set the copy offset for gmem2mem */
 716         OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 717         OUT_RING(ring, CP_REG(REG_A2XX_RB_COPY_DEST_OFFSET));
 718         OUT_RING(ring, A2XX_RB_COPY_DEST_OFFSET_X(tile->xoff) |
 719                         A2XX_RB_COPY_DEST_OFFSET_Y(tile->yoff));
 720
 721         /* tile offset for gl_FragCoord on a20x (C64 in fragment shader) */
 722         if (is_a20x(ctx->screen)) {
 723                 OUT_PKT3(ring, CP_SET_CONSTANT, 5);
 724                 OUT_RING(ring, 0x00000580);
 725                 OUT_RING(ring, fui(tile->xoff));
 726                 OUT_RING(ring, fui(tile->yoff));
 727                 OUT_RING(ring, fui(0.0f));
 728                 OUT_RING(ring, fui(0.0f));
 729         }
 730
 731         if (use_hw_binning(batch)) {
 732                 struct fd_vsc_pipe *pipe = &ctx->vsc_pipe[tile->p];
 733
 734                 OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 735                 OUT_RING(ring, CP_REG(REG_A2XX_VGT_CURRENT_BIN_ID_MIN));
 736                 OUT_RING(ring, tile->n);
 737
 738                 OUT_PKT3(ring, CP_SET_CONSTANT, 2);
 739                 OUT_RING(ring, CP_REG(REG_A2XX_VGT_CURRENT_BIN_ID_MAX));
 740                 OUT_RING(ring, tile->n);
 741
 742                 /* TODO only emit this when tile->p changes */
 743                 OUT_PKT3(ring, CP_SET_DRAW_INIT_FLAGS, 1);
 744                 OUT_RELOC(ring, pipe->bo, 0, 0, 0);
 745         }
 746 }
 747
 748 void
 749 fd2_gmem_init(struct pipe_context *pctx)
 750 {
 751         struct fd_context *ctx = fd_context(pctx);
 752
 753         ctx->emit_sysmem_prep = fd2_emit_sysmem_prep;
 754         ctx->emit_tile_init = fd2_emit_tile_init;
 755         ctx->emit_tile_prep = fd2_emit_tile_prep;
 756         ctx->emit_tile_mem2gmem = fd2_emit_tile_mem2gmem;
 757         ctx->emit_tile_renderprep = fd2_emit_tile_renderprep;
 758         ctx->emit_tile_gmem2mem = fd2_emit_tile_gmem2mem;
 759 }