/* * Copyright © 2017 Broadcom * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. */ #include "util/u_format.h" #include "v3d_context.h" #include "v3d_tiling.h" #include "broadcom/common/v3d_macros.h" #include "broadcom/cle/v3dx_pack.h" #define PIPE_CLEAR_COLOR_BUFFERS (PIPE_CLEAR_COLOR0 | \ PIPE_CLEAR_COLOR1 | \ PIPE_CLEAR_COLOR2 | \ PIPE_CLEAR_COLOR3) \ #define PIPE_FIRST_COLOR_BUFFER_BIT (ffs(PIPE_CLEAR_COLOR0) - 1) /* The HW queues up the load until the tile coordinates show up, but can only * track one at a time. If we need to do more than one load, then we need to * flush out the previous load by emitting the tile coordinates and doing a * dummy store. */ static void flush_last_load(struct v3d_cl *cl) { if (V3D_VERSION >= 40) return; cl_emit(cl, TILE_COORDINATES_IMPLICIT, coords); cl_emit(cl, STORE_TILE_BUFFER_GENERAL, store) { store.buffer_to_store = NONE; } } static void load_general(struct v3d_cl *cl, struct pipe_surface *psurf, int buffer, uint32_t pipe_bit, uint32_t *loads_pending) { struct v3d_surface *surf = v3d_surface(psurf); bool separate_stencil = surf->separate_stencil && buffer == STENCIL; if (separate_stencil) { psurf = surf->separate_stencil; surf = v3d_surface(psurf); } struct v3d_resource *rsc = v3d_resource(psurf->texture); cl_emit(cl, LOAD_TILE_BUFFER_GENERAL, load) { load.buffer_to_load = buffer; load.address = cl_address(rsc->bo, surf->offset); #if V3D_VERSION >= 40 load.memory_format = surf->tiling; if (separate_stencil) load.input_image_format = V3D_OUTPUT_IMAGE_FORMAT_S8; else load.input_image_format = surf->format; load.r_b_swap = surf->swap_rb; if (surf->tiling == VC5_TILING_UIF_NO_XOR || surf->tiling == VC5_TILING_UIF_XOR) { load.height_in_ub_or_stride = surf->padded_height_of_output_image_in_uif_blocks; } else if (surf->tiling == VC5_TILING_RASTER) { struct v3d_resource_slice *slice = &rsc->slices[psurf->u.tex.level]; load.height_in_ub_or_stride = slice->stride; } if (psurf->texture->nr_samples > 1) load.decimate_mode = V3D_DECIMATE_MODE_ALL_SAMPLES; else load.decimate_mode = V3D_DECIMATE_MODE_SAMPLE_0; #else /* V3D_VERSION < 40 */ /* Can't do raw ZSTENCIL loads -- need to load/store them to * separate buffers for Z and stencil. */ assert(buffer != ZSTENCIL); load.raw_mode = true; load.padded_height_of_output_image_in_uif_blocks = surf->padded_height_of_output_image_in_uif_blocks; #endif /* V3D_VERSION < 40 */ } *loads_pending &= ~pipe_bit; if (*loads_pending) flush_last_load(cl); } static void store_general(struct v3d_job *job, struct v3d_cl *cl, struct pipe_surface *psurf, int buffer, int pipe_bit, uint32_t *stores_pending, bool general_color_clear) { struct v3d_surface *surf = v3d_surface(psurf); bool separate_stencil = surf->separate_stencil && buffer == STENCIL; if (separate_stencil) { psurf = surf->separate_stencil; surf = v3d_surface(psurf); } *stores_pending &= ~pipe_bit; bool last_store = !(*stores_pending); struct v3d_resource *rsc = v3d_resource(psurf->texture); rsc->writes++; cl_emit(cl, STORE_TILE_BUFFER_GENERAL, store) { store.buffer_to_store = buffer; store.address = cl_address(rsc->bo, surf->offset); #if V3D_VERSION >= 40 store.clear_buffer_being_stored = false; if (separate_stencil) store.output_image_format = V3D_OUTPUT_IMAGE_FORMAT_S8; else store.output_image_format = surf->format; store.r_b_swap = surf->swap_rb; store.memory_format = surf->tiling; if (surf->tiling == VC5_TILING_UIF_NO_XOR || surf->tiling == VC5_TILING_UIF_XOR) { store.height_in_ub_or_stride = surf->padded_height_of_output_image_in_uif_blocks; } else if (surf->tiling == VC5_TILING_RASTER) { struct v3d_resource_slice *slice = &rsc->slices[psurf->u.tex.level]; store.height_in_ub_or_stride = slice->stride; } if (psurf->texture->nr_samples > 1) store.decimate_mode = V3D_DECIMATE_MODE_ALL_SAMPLES; else store.decimate_mode = V3D_DECIMATE_MODE_SAMPLE_0; #else /* V3D_VERSION < 40 */ /* Can't do raw ZSTENCIL stores -- need to load/store them to * separate buffers for Z and stencil. */ assert(buffer != ZSTENCIL); store.raw_mode = true; if (!last_store) { store.disable_color_buffers_clear_on_write = true; store.disable_z_buffer_clear_on_write = true; store.disable_stencil_buffer_clear_on_write = true; } else { store.disable_color_buffers_clear_on_write = !(((pipe_bit & PIPE_CLEAR_COLOR_BUFFERS) && general_color_clear && (job->clear & pipe_bit))); store.disable_z_buffer_clear_on_write = !(job->clear & PIPE_CLEAR_DEPTH); store.disable_stencil_buffer_clear_on_write = !(job->clear & PIPE_CLEAR_STENCIL); } store.padded_height_of_output_image_in_uif_blocks = surf->padded_height_of_output_image_in_uif_blocks; #endif /* V3D_VERSION < 40 */ } /* There must be a TILE_COORDINATES_IMPLICIT between each store. */ if (V3D_VERSION < 40 && !last_store) { cl_emit(cl, TILE_COORDINATES_IMPLICIT, coords); } } static int zs_buffer_from_pipe_bits(int pipe_clear_bits) { switch (pipe_clear_bits & PIPE_CLEAR_DEPTHSTENCIL) { case PIPE_CLEAR_DEPTHSTENCIL: return ZSTENCIL; case PIPE_CLEAR_DEPTH: return Z; case PIPE_CLEAR_STENCIL: return STENCIL; default: return NONE; } } static void v3d_rcl_emit_loads(struct v3d_job *job, struct v3d_cl *cl) { uint32_t loads_pending = job->load; for (int i = 0; i < VC5_MAX_DRAW_BUFFERS; i++) { uint32_t bit = PIPE_CLEAR_COLOR0 << i; if (!(loads_pending & bit)) continue; struct pipe_surface *psurf = job->cbufs[i]; if (!psurf || (V3D_VERSION < 40 && psurf->texture->nr_samples <= 1)) { continue; } load_general(cl, psurf, RENDER_TARGET_0 + i, bit, &loads_pending); } if ((loads_pending & PIPE_CLEAR_DEPTHSTENCIL) && (V3D_VERSION >= 40 || (job->zsbuf && job->zsbuf->texture->nr_samples > 1))) { struct v3d_resource *rsc = v3d_resource(job->zsbuf->texture); if (rsc->separate_stencil && (loads_pending & PIPE_CLEAR_STENCIL)) { load_general(cl, job->zsbuf, STENCIL, PIPE_CLEAR_STENCIL, &loads_pending); } if (loads_pending & PIPE_CLEAR_DEPTHSTENCIL) { load_general(cl, job->zsbuf, zs_buffer_from_pipe_bits(loads_pending), loads_pending & PIPE_CLEAR_DEPTHSTENCIL, &loads_pending); } } #if V3D_VERSION < 40 /* The initial reload will be queued until we get the * tile coordinates. */ if (loads_pending) { cl_emit(cl, RELOAD_TILE_COLOR_BUFFER, load) { load.disable_color_buffer_load = (~loads_pending & PIPE_CLEAR_COLOR_BUFFERS) >> PIPE_FIRST_COLOR_BUFFER_BIT; load.enable_z_load = loads_pending & PIPE_CLEAR_DEPTH; load.enable_stencil_load = loads_pending & PIPE_CLEAR_STENCIL; } } #else /* V3D_VERSION >= 40 */ assert(!loads_pending); cl_emit(cl, END_OF_LOADS, end); #endif } static void v3d_rcl_emit_stores(struct v3d_job *job, struct v3d_cl *cl) { #if V3D_VERSION < 40 MAYBE_UNUSED bool needs_color_clear = job->clear & PIPE_CLEAR_COLOR_BUFFERS; MAYBE_UNUSED bool needs_z_clear = job->clear & PIPE_CLEAR_DEPTH; MAYBE_UNUSED bool needs_s_clear = job->clear & PIPE_CLEAR_STENCIL; /* For clearing color in a TLB general on V3D 3.3: * * - NONE buffer store clears all TLB color buffers. * - color buffer store clears just the TLB color buffer being stored. * - Z/S buffers store may not clear the TLB color buffer. * * And on V3D 4.1, we only have one flag for "clear the buffer being * stored" in the general packet, and a separate packet to clear all * color TLB buffers. * * As a result, we only bother flagging TLB color clears in a general * packet when we don't have to emit a separate packet to clear all * TLB color buffers. */ bool general_color_clear = (needs_color_clear && (job->clear & PIPE_CLEAR_COLOR_BUFFERS) == (job->store & PIPE_CLEAR_COLOR_BUFFERS)); #else bool general_color_clear = false; #endif uint32_t stores_pending = job->store; /* For V3D 4.1, use general stores for all TLB stores. * * For V3D 3.3, we only use general stores to do raw stores for any * MSAA surfaces. These output UIF tiled images where each 4x MSAA * pixel is a 2x2 quad, and the format will be that of the * internal_type/internal_bpp, rather than the format from GL's * perspective. Non-MSAA surfaces will use * STORE_MULTI_SAMPLE_RESOLVED_TILE_COLOR_BUFFER_EXTENDED. */ for (int i = 0; i < VC5_MAX_DRAW_BUFFERS; i++) { uint32_t bit = PIPE_CLEAR_COLOR0 << i; if (!(job->store & bit)) continue; struct pipe_surface *psurf = job->cbufs[i]; if (!psurf || (V3D_VERSION < 40 && psurf->texture->nr_samples <= 1)) { continue; } store_general(job, cl, psurf, RENDER_TARGET_0 + i, bit, &stores_pending, general_color_clear); } if (job->store & PIPE_CLEAR_DEPTHSTENCIL && job->zsbuf && !(V3D_VERSION < 40 && job->zsbuf->texture->nr_samples <= 1)) { struct v3d_resource *rsc = v3d_resource(job->zsbuf->texture); if (rsc->separate_stencil) { if (job->store & PIPE_CLEAR_DEPTH) { store_general(job, cl, job->zsbuf, Z, PIPE_CLEAR_DEPTH, &stores_pending, general_color_clear); } if (job->store & PIPE_CLEAR_STENCIL) { store_general(job, cl, job->zsbuf, STENCIL, PIPE_CLEAR_STENCIL, &stores_pending, general_color_clear); } } else { store_general(job, cl, job->zsbuf, zs_buffer_from_pipe_bits(job->store), job->store & PIPE_CLEAR_DEPTHSTENCIL, &stores_pending, general_color_clear); } } #if V3D_VERSION < 40 if (stores_pending) { cl_emit(cl, STORE_MULTI_SAMPLE_RESOLVED_TILE_COLOR_BUFFER_EXTENDED, store) { store.disable_color_buffer_write = (~stores_pending >> PIPE_FIRST_COLOR_BUFFER_BIT) & 0xf; store.enable_z_write = stores_pending & PIPE_CLEAR_DEPTH; store.enable_stencil_write = stores_pending & PIPE_CLEAR_STENCIL; /* Note that when set this will clear all of the color * buffers. */ store.disable_color_buffers_clear_on_write = !needs_color_clear; store.disable_z_buffer_clear_on_write = !needs_z_clear; store.disable_stencil_buffer_clear_on_write = !needs_s_clear; }; } else if (needs_color_clear && !general_color_clear) { /* If we didn't do our color clears in the general packet, * then emit a packet to clear all the TLB color buffers now. */ cl_emit(cl, STORE_TILE_BUFFER_GENERAL, store) { store.buffer_to_store = NONE; } } #else /* V3D_VERSION >= 40 */ assert(!stores_pending); /* GFXH-1461/GFXH-1689: The per-buffer store command's clear * buffer bit is broken for depth/stencil. In addition, the * clear packet's Z/S bit is broken, but the RTs bit ends up * clearing Z/S. */ if (job->clear) { cl_emit(cl, CLEAR_TILE_BUFFERS, clear) { clear.clear_z_stencil_buffer = true; clear.clear_all_render_targets = true; } } #endif /* V3D_VERSION >= 40 */ } static void v3d_rcl_emit_generic_per_tile_list(struct v3d_job *job, int last_cbuf) { /* Emit the generic list in our indirect state -- the rcl will just * have pointers into it. */ struct v3d_cl *cl = &job->indirect; v3d_cl_ensure_space(cl, 200, 1); struct v3d_cl_reloc tile_list_start = cl_get_address(cl); if (V3D_VERSION >= 40) { /* V3D 4.x only requires a single tile coordinates, and * END_OF_LOADS switches us between loading and rendering. */ cl_emit(cl, TILE_COORDINATES_IMPLICIT, coords); } v3d_rcl_emit_loads(job, cl); if (V3D_VERSION < 40) { /* Tile Coordinates triggers the last reload and sets where * the stores go. There must be one per store packet. */ cl_emit(cl, TILE_COORDINATES_IMPLICIT, coords); } /* The binner starts out writing tiles assuming that the initial mode * is triangles, so make sure that's the case. */ cl_emit(cl, PRIM_LIST_FORMAT, fmt) { fmt.primitive_type = LIST_TRIANGLES; } cl_emit(cl, BRANCH_TO_IMPLICIT_TILE_LIST, branch); v3d_rcl_emit_stores(job, cl); #if V3D_VERSION >= 40 cl_emit(cl, END_OF_TILE_MARKER, end); #endif cl_emit(cl, RETURN_FROM_SUB_LIST, ret); cl_emit(&job->rcl, START_ADDRESS_OF_GENERIC_TILE_LIST, branch) { branch.start = tile_list_start; branch.end = cl_get_address(cl); } } #if V3D_VERSION >= 40 static void v3d_setup_render_target(struct v3d_job *job, int cbuf, uint32_t *rt_bpp, uint32_t *rt_type, uint32_t *rt_clamp) { if (!job->cbufs[cbuf]) return; struct v3d_surface *surf = v3d_surface(job->cbufs[cbuf]); *rt_bpp = surf->internal_bpp; *rt_type = surf->internal_type; *rt_clamp = V3D_RENDER_TARGET_CLAMP_NONE; } #else /* V3D_VERSION < 40 */ static void v3d_emit_z_stencil_config(struct v3d_job *job, struct v3d_surface *surf, struct v3d_resource *rsc, bool is_separate_stencil) { cl_emit(&job->rcl, TILE_RENDERING_MODE_CFG_Z_STENCIL, zs) { zs.address = cl_address(rsc->bo, surf->offset); if (!is_separate_stencil) { zs.internal_type = surf->internal_type; zs.output_image_format = surf->format; } else { zs.z_stencil_id = 1; /* Separate stencil */ } zs.padded_height_of_output_image_in_uif_blocks = surf->padded_height_of_output_image_in_uif_blocks; assert(surf->tiling != VC5_TILING_RASTER); zs.memory_format = surf->tiling; } if (job->store & (is_separate_stencil ? PIPE_CLEAR_STENCIL : PIPE_CLEAR_DEPTHSTENCIL)) { rsc->writes++; } } #endif /* V3D_VERSION < 40 */ #define div_round_up(a, b) (((a) + (b) - 1) / b) void v3dX(emit_rcl)(struct v3d_job *job) { /* The RCL list should be empty. */ assert(!job->rcl.bo); v3d_cl_ensure_space_with_branch(&job->rcl, 200 + 256 * cl_packet_length(SUPERTILE_COORDINATES)); job->submit.rcl_start = job->rcl.bo->offset; v3d_job_add_bo(job, job->rcl.bo); int nr_cbufs = 0; for (int i = 0; i < VC5_MAX_DRAW_BUFFERS; i++) { if (job->cbufs[i]) nr_cbufs = i + 1; } /* Comon config must be the first TILE_RENDERING_MODE_CFG * and Z_STENCIL_CLEAR_VALUES must be last. The ones in between are * optional updates to the previous HW state. */ cl_emit(&job->rcl, TILE_RENDERING_MODE_CFG_COMMON, config) { #if V3D_VERSION < 40 config.enable_z_store = job->store & PIPE_CLEAR_DEPTH; config.enable_stencil_store = job->store & PIPE_CLEAR_STENCIL; #else /* V3D_VERSION >= 40 */ if (job->zsbuf) { struct v3d_surface *surf = v3d_surface(job->zsbuf); config.internal_depth_type = surf->internal_type; } #endif /* V3D_VERSION >= 40 */ /* XXX: Early D/S clear */ switch (job->first_ez_state) { case VC5_EZ_UNDECIDED: case VC5_EZ_LT_LE: config.early_z_disable = false; config.early_z_test_and_update_direction = EARLY_Z_DIRECTION_LT_LE; break; case VC5_EZ_GT_GE: config.early_z_disable = false; config.early_z_test_and_update_direction = EARLY_Z_DIRECTION_GT_GE; break; case VC5_EZ_DISABLED: config.early_z_disable = true; } config.image_width_pixels = job->draw_width; config.image_height_pixels = job->draw_height; config.number_of_render_targets = MAX2(nr_cbufs, 1); config.multisample_mode_4x = job->msaa; config.maximum_bpp_of_all_render_targets = job->internal_bpp; } for (int i = 0; i < nr_cbufs; i++) { struct pipe_surface *psurf = job->cbufs[i]; if (!psurf) continue; struct v3d_surface *surf = v3d_surface(psurf); struct v3d_resource *rsc = v3d_resource(psurf->texture); MAYBE_UNUSED uint32_t config_pad = 0; uint32_t clear_pad = 0; /* XXX: Set the pad for raster. */ if (surf->tiling == VC5_TILING_UIF_NO_XOR || surf->tiling == VC5_TILING_UIF_XOR) { int uif_block_height = v3d_utile_height(rsc->cpp) * 2; uint32_t implicit_padded_height = (align(job->draw_height, uif_block_height) / uif_block_height); if (surf->padded_height_of_output_image_in_uif_blocks - implicit_padded_height < 15) { config_pad = (surf->padded_height_of_output_image_in_uif_blocks - implicit_padded_height); } else { config_pad = 15; clear_pad = surf->padded_height_of_output_image_in_uif_blocks; } } #if V3D_VERSION < 40 cl_emit(&job->rcl, TILE_RENDERING_MODE_CFG_COLOR, rt) { rt.address = cl_address(rsc->bo, surf->offset); rt.internal_type = surf->internal_type; rt.output_image_format = surf->format; rt.memory_format = surf->tiling; rt.internal_bpp = surf->internal_bpp; rt.render_target_number = i; rt.pad = config_pad; if (job->store & PIPE_CLEAR_COLOR0 << i) rsc->writes++; } #endif /* V3D_VERSION < 40 */ cl_emit(&job->rcl, TILE_RENDERING_MODE_CFG_CLEAR_COLORS_PART1, clear) { clear.clear_color_low_32_bits = job->clear_color[i][0]; clear.clear_color_next_24_bits = job->clear_color[i][1] & 0xffffff; clear.render_target_number = i; }; if (surf->internal_bpp >= V3D_INTERNAL_BPP_64) { cl_emit(&job->rcl, TILE_RENDERING_MODE_CFG_CLEAR_COLORS_PART2, clear) { clear.clear_color_mid_low_32_bits = ((job->clear_color[i][1] >> 24) | (job->clear_color[i][2] << 8)); clear.clear_color_mid_high_24_bits = ((job->clear_color[i][2] >> 24) | ((job->clear_color[i][3] & 0xffff) << 8)); clear.render_target_number = i; }; } if (surf->internal_bpp >= V3D_INTERNAL_BPP_128 || clear_pad) { cl_emit(&job->rcl, TILE_RENDERING_MODE_CFG_CLEAR_COLORS_PART3, clear) { clear.uif_padded_height_in_uif_blocks = clear_pad; clear.clear_color_high_16_bits = job->clear_color[i][3] >> 16; clear.render_target_number = i; }; } } #if V3D_VERSION >= 40 cl_emit(&job->rcl, TILE_RENDERING_MODE_CFG_COLOR, rt) { v3d_setup_render_target(job, 0, &rt.render_target_0_internal_bpp, &rt.render_target_0_internal_type, &rt.render_target_0_clamp); v3d_setup_render_target(job, 1, &rt.render_target_1_internal_bpp, &rt.render_target_1_internal_type, &rt.render_target_1_clamp); v3d_setup_render_target(job, 2, &rt.render_target_2_internal_bpp, &rt.render_target_2_internal_type, &rt.render_target_2_clamp); v3d_setup_render_target(job, 3, &rt.render_target_3_internal_bpp, &rt.render_target_3_internal_type, &rt.render_target_3_clamp); } #endif #if V3D_VERSION < 40 /* TODO: Don't bother emitting if we don't load/clear Z/S. */ if (job->zsbuf) { struct pipe_surface *psurf = job->zsbuf; struct v3d_surface *surf = v3d_surface(psurf); struct v3d_resource *rsc = v3d_resource(psurf->texture); v3d_emit_z_stencil_config(job, surf, rsc, false); /* Emit the separate stencil packet if we have a resource for * it. The HW will only load/store this buffer if the * Z/Stencil config doesn't have stencil in its format. */ if (surf->separate_stencil) { v3d_emit_z_stencil_config(job, v3d_surface(surf->separate_stencil), rsc->separate_stencil, true); } } #endif /* V3D_VERSION < 40 */ /* Ends rendering mode config. */ cl_emit(&job->rcl, TILE_RENDERING_MODE_CFG_ZS_CLEAR_VALUES, clear) { clear.z_clear_value = job->clear_z; clear.stencil_clear_value = job->clear_s; }; /* Always set initial block size before the first branch, which needs * to match the value from binning mode config. */ cl_emit(&job->rcl, TILE_LIST_INITIAL_BLOCK_SIZE, init) { init.use_auto_chained_tile_lists = true; init.size_of_first_block_in_chained_tile_lists = TILE_ALLOCATION_BLOCK_SIZE_64B; } uint32_t supertile_w = 1, supertile_h = 1; /* If doing multicore binning, we would need to initialize each core's * tile list here. */ cl_emit(&job->rcl, MULTICORE_RENDERING_TILE_LIST_SET_BASE, list) { list.address = cl_address(job->tile_alloc, 0); } cl_emit(&job->rcl, MULTICORE_RENDERING_SUPERTILE_CFG, config) { uint32_t frame_w_in_supertiles, frame_h_in_supertiles; const uint32_t max_supertiles = 256; /* Size up our supertiles until we get under the limit. */ for (;;) { frame_w_in_supertiles = div_round_up(job->draw_tiles_x, supertile_w); frame_h_in_supertiles = div_round_up(job->draw_tiles_y, supertile_h); if (frame_w_in_supertiles * frame_h_in_supertiles < max_supertiles) { break; } if (supertile_w < supertile_h) supertile_w++; else supertile_h++; } config.number_of_bin_tile_lists = 1; config.total_frame_width_in_tiles = job->draw_tiles_x; config.total_frame_height_in_tiles = job->draw_tiles_y; config.supertile_width_in_tiles = supertile_w; config.supertile_height_in_tiles = supertile_h; config.total_frame_width_in_supertiles = frame_w_in_supertiles; config.total_frame_height_in_supertiles = frame_h_in_supertiles; } /* Start by clearing the tile buffer. */ cl_emit(&job->rcl, TILE_COORDINATES, coords) { coords.tile_column_number = 0; coords.tile_row_number = 0; } /* Emit an initial clear of the tile buffers. This is necessary for * any buffers that should be cleared (since clearing normally happens * at the *end* of the generic tile list), but it's also nice to clear * everything so the first tile doesn't inherit any contents from some * previous frame. * * Also, implement the GFXH-1742 workaround. There's a race in the HW * between the RCL updating the TLB's internal type/size and the * spawning of the QPU instances using the TLB's current internal * type/size. To make sure the QPUs get the right state,, we need 1 * dummy store in between internal type/size changes on V3D 3.x, and 2 * dummy stores on 4.x. */ #if V3D_VERSION < 40 cl_emit(&job->rcl, STORE_TILE_BUFFER_GENERAL, store) { store.buffer_to_store = NONE; } #else for (int i = 0; i < 2; i++) { if (i > 0) cl_emit(&job->rcl, TILE_COORDINATES, coords); cl_emit(&job->rcl, END_OF_LOADS, end); cl_emit(&job->rcl, STORE_TILE_BUFFER_GENERAL, store) { store.buffer_to_store = NONE; } if (i == 0) { cl_emit(&job->rcl, CLEAR_TILE_BUFFERS, clear) { clear.clear_z_stencil_buffer = true; clear.clear_all_render_targets = true; } } cl_emit(&job->rcl, END_OF_TILE_MARKER, end); } #endif cl_emit(&job->rcl, FLUSH_VCD_CACHE, flush); v3d_rcl_emit_generic_per_tile_list(job, nr_cbufs - 1); /* XXX perf: We should expose GL_MESA_tile_raster_order to improve X11 * performance, but we should use Morton order otherwise to improve * cache locality. */ uint32_t supertile_w_in_pixels = job->tile_width * supertile_w; uint32_t supertile_h_in_pixels = job->tile_height * supertile_h; uint32_t min_x_supertile = job->draw_min_x / supertile_w_in_pixels; uint32_t min_y_supertile = job->draw_min_y / supertile_h_in_pixels; uint32_t max_x_supertile = 0; uint32_t max_y_supertile = 0; if (job->draw_max_x != 0 && job->draw_max_y != 0) { max_x_supertile = (job->draw_max_x - 1) / supertile_w_in_pixels; max_y_supertile = (job->draw_max_y - 1) / supertile_h_in_pixels; } for (int y = min_y_supertile; y <= max_y_supertile; y++) { for (int x = min_x_supertile; x <= max_x_supertile; x++) { cl_emit(&job->rcl, SUPERTILE_COORDINATES, coords) { coords.column_number_in_supertiles = x; coords.row_number_in_supertiles = y; } } } cl_emit(&job->rcl, END_OF_RENDERING, end); }