/* * Copyright © 2015 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 "util/u_surface.h" #include "util/u_blitter.h" #include "vc4_context.h" static struct pipe_surface * vc4_get_blit_surface(struct pipe_context *pctx, struct pipe_resource *prsc, unsigned level) { struct pipe_surface tmpl; memset(&tmpl, 0, sizeof(tmpl)); tmpl.format = prsc->format; tmpl.u.tex.level = level; tmpl.u.tex.first_layer = 0; tmpl.u.tex.last_layer = 0; return pctx->create_surface(pctx, prsc, &tmpl); } static bool is_tile_unaligned(unsigned size, unsigned tile_size) { return size & (tile_size - 1); } static bool vc4_tile_blit(struct pipe_context *pctx, const struct pipe_blit_info *info) { struct vc4_context *vc4 = vc4_context(pctx); bool msaa = (info->src.resource->nr_samples > 1 || info->dst.resource->nr_samples > 1); int tile_width = msaa ? 32 : 64; int tile_height = msaa ? 32 : 64; if (util_format_is_depth_or_stencil(info->dst.resource->format)) return false; if (info->scissor_enable) return false; if ((info->mask & PIPE_MASK_RGBA) == 0) return false; if (info->dst.box.x != info->src.box.x || info->dst.box.y != info->src.box.y || info->dst.box.width != info->src.box.width || info->dst.box.height != info->src.box.height) { return false; } int dst_surface_width = u_minify(info->dst.resource->width0, info->dst.level); int dst_surface_height = u_minify(info->dst.resource->height0, info->dst.level); if (is_tile_unaligned(info->dst.box.x, tile_width) || is_tile_unaligned(info->dst.box.y, tile_height) || (is_tile_unaligned(info->dst.box.width, tile_width) && info->dst.box.x + info->dst.box.width != dst_surface_width) || (is_tile_unaligned(info->dst.box.height, tile_height) && info->dst.box.y + info->dst.box.height != dst_surface_height)) { return false; } /* VC4_PACKET_LOAD_TILE_BUFFER_GENERAL uses the * VC4_PACKET_TILE_RENDERING_MODE_CONFIG's width (determined by our * destination surface) to determine the stride. This may be wrong * when reading from texture miplevels > 0, which are stored in * POT-sized areas. For MSAA, the tile addresses are computed * explicitly by the RCL, but still use the destination width to * determine the stride (which could be fixed by explicitly supplying * it in the ABI). */ struct vc4_resource *rsc = vc4_resource(info->src.resource); uint32_t stride; if (info->src.resource->nr_samples > 1) stride = align(dst_surface_width, 32) * 4 * rsc->cpp; else if (rsc->slices[info->src.level].tiling == VC4_TILING_FORMAT_T) stride = align(dst_surface_width * rsc->cpp, 128); else stride = align(dst_surface_width * rsc->cpp, 16); if (stride != rsc->slices[info->src.level].stride) return false; if (info->dst.resource->format != info->src.resource->format) return false; if (false) { fprintf(stderr, "RCL blit from %d,%d to %d,%d (%d,%d)\n", info->src.box.x, info->src.box.y, info->dst.box.x, info->dst.box.y, info->dst.box.width, info->dst.box.height); } struct pipe_surface *dst_surf = vc4_get_blit_surface(pctx, info->dst.resource, info->dst.level); struct pipe_surface *src_surf = vc4_get_blit_surface(pctx, info->src.resource, info->src.level); vc4_flush_jobs_reading_resource(vc4, info->src.resource); struct vc4_job *job = vc4_get_job(vc4, dst_surf, NULL); pipe_surface_reference(&job->color_read, src_surf); /* If we're resolving from MSAA to single sample, we still need to run * the engine in MSAA mode for the load. */ if (!job->msaa && info->src.resource->nr_samples > 1) { job->msaa = true; job->tile_width = 32; job->tile_height = 32; } job->draw_min_x = info->dst.box.x; job->draw_min_y = info->dst.box.y; job->draw_max_x = info->dst.box.x + info->dst.box.width; job->draw_max_y = info->dst.box.y + info->dst.box.height; job->draw_width = dst_surf->width; job->draw_height = dst_surf->height; job->tile_width = tile_width; job->tile_height = tile_height; job->msaa = msaa; job->needs_flush = true; job->resolve |= PIPE_CLEAR_COLOR; vc4_job_submit(vc4, job); pipe_surface_reference(&dst_surf, NULL); pipe_surface_reference(&src_surf, NULL); return true; } void vc4_blitter_save(struct vc4_context *vc4) { util_blitter_save_vertex_buffer_slot(vc4->blitter, vc4->vertexbuf.vb); util_blitter_save_vertex_elements(vc4->blitter, vc4->vtx); util_blitter_save_vertex_shader(vc4->blitter, vc4->prog.bind_vs); util_blitter_save_rasterizer(vc4->blitter, vc4->rasterizer); util_blitter_save_viewport(vc4->blitter, &vc4->viewport); util_blitter_save_scissor(vc4->blitter, &vc4->scissor); util_blitter_save_fragment_shader(vc4->blitter, vc4->prog.bind_fs); util_blitter_save_blend(vc4->blitter, vc4->blend); util_blitter_save_depth_stencil_alpha(vc4->blitter, vc4->zsa); util_blitter_save_stencil_ref(vc4->blitter, &vc4->stencil_ref); util_blitter_save_sample_mask(vc4->blitter, vc4->sample_mask); util_blitter_save_framebuffer(vc4->blitter, &vc4->framebuffer); util_blitter_save_fragment_sampler_states(vc4->blitter, vc4->fragtex.num_samplers, (void **)vc4->fragtex.samplers); util_blitter_save_fragment_sampler_views(vc4->blitter, vc4->fragtex.num_textures, vc4->fragtex.textures); } static bool vc4_render_blit(struct pipe_context *ctx, struct pipe_blit_info *info) { struct vc4_context *vc4 = vc4_context(ctx); if (!util_blitter_is_blit_supported(vc4->blitter, info)) { fprintf(stderr, "blit unsupported %s -> %s\n", util_format_short_name(info->src.resource->format), util_format_short_name(info->dst.resource->format)); return false; } /* Enable the scissor, so we get a minimal set of tiles rendered. */ if (!info->scissor_enable) { info->scissor_enable = true; info->scissor.minx = info->dst.box.x; info->scissor.miny = info->dst.box.y; info->scissor.maxx = info->dst.box.x + info->dst.box.width; info->scissor.maxy = info->dst.box.y + info->dst.box.height; } vc4_blitter_save(vc4); util_blitter_blit(vc4->blitter, info); return true; } /* Optimal hardware path for blitting pixels. * Scaling, format conversion, up- and downsampling (resolve) are allowed. */ void vc4_blit(struct pipe_context *pctx, const struct pipe_blit_info *blit_info) { struct pipe_blit_info info = *blit_info; if (vc4_tile_blit(pctx, blit_info)) return; if (info.mask & PIPE_MASK_S) { if (util_try_blit_via_copy_region(pctx, &info)) return; info.mask &= ~PIPE_MASK_S; fprintf(stderr, "cannot blit stencil, skipping\n"); } if (vc4_render_blit(pctx, &info)) return; fprintf(stderr, "Unsupported blit\n"); }