| /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ |
| |
| /* |
| * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org> |
| * |
| * 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. |
| * |
| * Authors: |
| * Rob Clark <robclark@freedesktop.org> |
| */ |
| |
| #include "util/u_format.h" |
| #include "util/u_inlines.h" |
| #include "util/u_transfer.h" |
| #include "util/u_string.h" |
| #include "util/u_surface.h" |
| |
| #include "freedreno_resource.h" |
| #include "freedreno_screen.h" |
| #include "freedreno_surface.h" |
| #include "freedreno_context.h" |
| #include "freedreno_query_hw.h" |
| #include "freedreno_util.h" |
| |
| #include <errno.h> |
| |
| static void |
| realloc_bo(struct fd_resource *rsc, uint32_t size) |
| { |
| struct fd_screen *screen = fd_screen(rsc->base.b.screen); |
| uint32_t flags = DRM_FREEDRENO_GEM_CACHE_WCOMBINE | |
| DRM_FREEDRENO_GEM_TYPE_KMEM; /* TODO */ |
| |
| /* if we start using things other than write-combine, |
| * be sure to check for PIPE_RESOURCE_FLAG_MAP_COHERENT |
| */ |
| |
| if (rsc->bo) |
| fd_bo_del(rsc->bo); |
| |
| rsc->bo = fd_bo_new(screen->dev, size, flags); |
| rsc->timestamp = 0; |
| rsc->dirty = false; |
| } |
| |
| static void fd_resource_transfer_flush_region(struct pipe_context *pctx, |
| struct pipe_transfer *ptrans, |
| const struct pipe_box *box) |
| { |
| struct fd_context *ctx = fd_context(pctx); |
| struct fd_resource *rsc = fd_resource(ptrans->resource); |
| |
| if (rsc->dirty) |
| fd_context_render(pctx); |
| |
| if (rsc->timestamp) { |
| fd_pipe_wait(ctx->screen->pipe, rsc->timestamp); |
| rsc->timestamp = 0; |
| } |
| } |
| |
| static void |
| fd_resource_transfer_unmap(struct pipe_context *pctx, |
| struct pipe_transfer *ptrans) |
| { |
| struct fd_context *ctx = fd_context(pctx); |
| struct fd_resource *rsc = fd_resource(ptrans->resource); |
| if (!(ptrans->usage & PIPE_TRANSFER_UNSYNCHRONIZED)) |
| fd_bo_cpu_fini(rsc->bo); |
| pipe_resource_reference(&ptrans->resource, NULL); |
| util_slab_free(&ctx->transfer_pool, ptrans); |
| } |
| |
| static void * |
| fd_resource_transfer_map(struct pipe_context *pctx, |
| struct pipe_resource *prsc, |
| unsigned level, unsigned usage, |
| const struct pipe_box *box, |
| struct pipe_transfer **pptrans) |
| { |
| struct fd_context *ctx = fd_context(pctx); |
| struct fd_resource *rsc = fd_resource(prsc); |
| struct fd_resource_slice *slice = fd_resource_slice(rsc, level); |
| struct pipe_transfer *ptrans; |
| enum pipe_format format = prsc->format; |
| uint32_t op = 0; |
| char *buf; |
| int ret = 0; |
| |
| DBG("prsc=%p, level=%u, usage=%x", prsc, level, usage); |
| |
| ptrans = util_slab_alloc(&ctx->transfer_pool); |
| if (!ptrans) |
| return NULL; |
| |
| /* util_slab_alloc() doesn't zero: */ |
| memset(ptrans, 0, sizeof(*ptrans)); |
| |
| pipe_resource_reference(&ptrans->resource, prsc); |
| ptrans->level = level; |
| ptrans->usage = usage; |
| ptrans->box = *box; |
| ptrans->stride = slice->pitch * rsc->cpp; |
| ptrans->layer_stride = slice->size0; |
| |
| if (usage & PIPE_TRANSFER_READ) |
| op |= DRM_FREEDRENO_PREP_READ; |
| |
| if (usage & PIPE_TRANSFER_WRITE) |
| op |= DRM_FREEDRENO_PREP_WRITE; |
| |
| /* some state trackers (at least XA) don't do this.. */ |
| if (!(usage & (PIPE_TRANSFER_FLUSH_EXPLICIT | PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE))) |
| fd_resource_transfer_flush_region(pctx, ptrans, box); |
| |
| if (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE) { |
| realloc_bo(rsc, fd_bo_size(rsc->bo)); |
| } else if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) { |
| ret = fd_bo_cpu_prep(rsc->bo, ctx->screen->pipe, op); |
| if (ret) |
| goto fail; |
| } |
| |
| buf = fd_bo_map(rsc->bo); |
| if (!buf) { |
| fd_resource_transfer_unmap(pctx, ptrans); |
| return NULL; |
| } |
| |
| *pptrans = ptrans; |
| |
| return buf + slice->offset + |
| box->y / util_format_get_blockheight(format) * ptrans->stride + |
| box->x / util_format_get_blockwidth(format) * rsc->cpp + |
| box->z * slice->size0; |
| |
| fail: |
| fd_resource_transfer_unmap(pctx, ptrans); |
| return NULL; |
| } |
| |
| static void |
| fd_resource_destroy(struct pipe_screen *pscreen, |
| struct pipe_resource *prsc) |
| { |
| struct fd_resource *rsc = fd_resource(prsc); |
| if (rsc->bo) |
| fd_bo_del(rsc->bo); |
| FREE(rsc); |
| } |
| |
| static boolean |
| fd_resource_get_handle(struct pipe_screen *pscreen, |
| struct pipe_resource *prsc, |
| struct winsys_handle *handle) |
| { |
| struct fd_resource *rsc = fd_resource(prsc); |
| |
| return fd_screen_bo_get_handle(pscreen, rsc->bo, |
| rsc->slices[0].pitch * rsc->cpp, handle); |
| } |
| |
| |
| static const struct u_resource_vtbl fd_resource_vtbl = { |
| .resource_get_handle = fd_resource_get_handle, |
| .resource_destroy = fd_resource_destroy, |
| .transfer_map = fd_resource_transfer_map, |
| .transfer_flush_region = fd_resource_transfer_flush_region, |
| .transfer_unmap = fd_resource_transfer_unmap, |
| .transfer_inline_write = u_default_transfer_inline_write, |
| }; |
| |
| static uint32_t |
| setup_slices(struct fd_resource *rsc) |
| { |
| struct pipe_resource *prsc = &rsc->base.b; |
| uint32_t level, size = 0; |
| uint32_t width = prsc->width0; |
| uint32_t height = prsc->height0; |
| uint32_t depth = prsc->depth0; |
| |
| for (level = 0; level <= prsc->last_level; level++) { |
| struct fd_resource_slice *slice = fd_resource_slice(rsc, level); |
| |
| slice->pitch = align(width, 32); |
| slice->offset = size; |
| slice->size0 = slice->pitch * height * rsc->cpp; |
| |
| size += slice->size0 * depth * prsc->array_size; |
| |
| width = u_minify(width, 1); |
| height = u_minify(height, 1); |
| depth = u_minify(depth, 1); |
| } |
| |
| return size; |
| } |
| |
| /* 2d array and 3d textures seem to want their layers aligned to |
| * page boundaries |
| */ |
| static uint32_t |
| setup_slices_array(struct fd_resource *rsc) |
| { |
| struct pipe_resource *prsc = &rsc->base.b; |
| uint32_t level, size = 0; |
| uint32_t width = prsc->width0; |
| uint32_t height = prsc->height0; |
| uint32_t depth = prsc->depth0; |
| |
| for (level = 0; level <= prsc->last_level; level++) { |
| struct fd_resource_slice *slice = fd_resource_slice(rsc, level); |
| |
| slice->pitch = align(width, 32); |
| slice->offset = size; |
| slice->size0 = align(slice->pitch * height * rsc->cpp, 4096); |
| |
| size += slice->size0 * depth * prsc->array_size; |
| |
| width = u_minify(width, 1); |
| height = u_minify(height, 1); |
| depth = u_minify(depth, 1); |
| } |
| |
| return size; |
| } |
| |
| /** |
| * Create a new texture object, using the given template info. |
| */ |
| static struct pipe_resource * |
| fd_resource_create(struct pipe_screen *pscreen, |
| const struct pipe_resource *tmpl) |
| { |
| struct fd_resource *rsc = CALLOC_STRUCT(fd_resource); |
| struct pipe_resource *prsc = &rsc->base.b; |
| uint32_t size; |
| |
| DBG("target=%d, format=%s, %ux%ux%u, array_size=%u, last_level=%u, " |
| "nr_samples=%u, usage=%u, bind=%x, flags=%x", |
| tmpl->target, util_format_name(tmpl->format), |
| tmpl->width0, tmpl->height0, tmpl->depth0, |
| tmpl->array_size, tmpl->last_level, tmpl->nr_samples, |
| tmpl->usage, tmpl->bind, tmpl->flags); |
| |
| if (!rsc) |
| return NULL; |
| |
| *prsc = *tmpl; |
| |
| pipe_reference_init(&prsc->reference, 1); |
| prsc->screen = pscreen; |
| |
| rsc->base.vtbl = &fd_resource_vtbl; |
| rsc->cpp = util_format_get_blocksize(tmpl->format); |
| |
| assert(rsc->cpp); |
| |
| switch (tmpl->target) { |
| case PIPE_TEXTURE_3D: |
| case PIPE_TEXTURE_1D_ARRAY: |
| case PIPE_TEXTURE_2D_ARRAY: |
| size = setup_slices_array(rsc); |
| break; |
| default: |
| size = setup_slices(rsc); |
| break; |
| } |
| |
| realloc_bo(rsc, size); |
| if (!rsc->bo) |
| goto fail; |
| |
| return prsc; |
| fail: |
| fd_resource_destroy(pscreen, prsc); |
| return NULL; |
| } |
| |
| /** |
| * Create a texture from a winsys_handle. The handle is often created in |
| * another process by first creating a pipe texture and then calling |
| * resource_get_handle. |
| */ |
| static struct pipe_resource * |
| fd_resource_from_handle(struct pipe_screen *pscreen, |
| const struct pipe_resource *tmpl, |
| struct winsys_handle *handle) |
| { |
| struct fd_resource *rsc = CALLOC_STRUCT(fd_resource); |
| struct fd_resource_slice *slice = &rsc->slices[0]; |
| struct pipe_resource *prsc = &rsc->base.b; |
| |
| DBG("target=%d, format=%s, %ux%ux%u, array_size=%u, last_level=%u, " |
| "nr_samples=%u, usage=%u, bind=%x, flags=%x", |
| tmpl->target, util_format_name(tmpl->format), |
| tmpl->width0, tmpl->height0, tmpl->depth0, |
| tmpl->array_size, tmpl->last_level, tmpl->nr_samples, |
| tmpl->usage, tmpl->bind, tmpl->flags); |
| |
| if (!rsc) |
| return NULL; |
| |
| *prsc = *tmpl; |
| |
| pipe_reference_init(&prsc->reference, 1); |
| prsc->screen = pscreen; |
| |
| rsc->bo = fd_screen_bo_from_handle(pscreen, handle, &slice->pitch); |
| if (!rsc->bo) |
| goto fail; |
| |
| rsc->base.vtbl = &fd_resource_vtbl; |
| rsc->cpp = util_format_get_blocksize(tmpl->format); |
| slice->pitch /= rsc->cpp; |
| |
| assert(rsc->cpp); |
| |
| return prsc; |
| |
| fail: |
| fd_resource_destroy(pscreen, prsc); |
| return NULL; |
| } |
| |
| static void fd_blitter_pipe_begin(struct fd_context *ctx); |
| static void fd_blitter_pipe_end(struct fd_context *ctx); |
| |
| /** |
| * _copy_region using pipe (3d engine) |
| */ |
| static bool |
| fd_blitter_pipe_copy_region(struct fd_context *ctx, |
| struct pipe_resource *dst, |
| unsigned dst_level, |
| unsigned dstx, unsigned dsty, unsigned dstz, |
| struct pipe_resource *src, |
| unsigned src_level, |
| const struct pipe_box *src_box) |
| { |
| /* not until we allow rendertargets to be buffers */ |
| if (dst->target == PIPE_BUFFER || src->target == PIPE_BUFFER) |
| return false; |
| |
| if (!util_blitter_is_copy_supported(ctx->blitter, dst, src)) |
| return false; |
| |
| fd_blitter_pipe_begin(ctx); |
| util_blitter_copy_texture(ctx->blitter, |
| dst, dst_level, dstx, dsty, dstz, |
| src, src_level, src_box); |
| fd_blitter_pipe_end(ctx); |
| |
| return true; |
| } |
| |
| /** |
| * Copy a block of pixels from one resource to another. |
| * The resource must be of the same format. |
| * Resources with nr_samples > 1 are not allowed. |
| */ |
| static void |
| fd_resource_copy_region(struct pipe_context *pctx, |
| struct pipe_resource *dst, |
| unsigned dst_level, |
| unsigned dstx, unsigned dsty, unsigned dstz, |
| struct pipe_resource *src, |
| unsigned src_level, |
| const struct pipe_box *src_box) |
| { |
| struct fd_context *ctx = fd_context(pctx); |
| |
| /* TODO if we have 2d core, or other DMA engine that could be used |
| * for simple copies and reasonably easily synchronized with the 3d |
| * core, this is where we'd plug it in.. |
| */ |
| |
| /* try blit on 3d pipe: */ |
| if (fd_blitter_pipe_copy_region(ctx, |
| dst, dst_level, dstx, dsty, dstz, |
| src, src_level, src_box)) |
| return; |
| |
| /* else fallback to pure sw: */ |
| util_resource_copy_region(pctx, |
| dst, dst_level, dstx, dsty, dstz, |
| src, src_level, src_box); |
| } |
| |
| /** |
| * Optimal hardware path for blitting pixels. |
| * Scaling, format conversion, up- and downsampling (resolve) are allowed. |
| */ |
| static void |
| fd_blit(struct pipe_context *pctx, const struct pipe_blit_info *blit_info) |
| { |
| struct fd_context *ctx = fd_context(pctx); |
| struct pipe_blit_info info = *blit_info; |
| |
| if (info.src.resource->nr_samples > 1 && |
| info.dst.resource->nr_samples <= 1 && |
| !util_format_is_depth_or_stencil(info.src.resource->format) && |
| !util_format_is_pure_integer(info.src.resource->format)) { |
| DBG("color resolve unimplemented"); |
| return; |
| } |
| |
| if (util_try_blit_via_copy_region(pctx, &info)) { |
| return; /* done */ |
| } |
| |
| if (info.mask & PIPE_MASK_S) { |
| DBG("cannot blit stencil, skipping"); |
| info.mask &= ~PIPE_MASK_S; |
| } |
| |
| if (!util_blitter_is_blit_supported(ctx->blitter, &info)) { |
| DBG("blit unsupported %s -> %s", |
| util_format_short_name(info.src.resource->format), |
| util_format_short_name(info.dst.resource->format)); |
| return; |
| } |
| |
| fd_blitter_pipe_begin(ctx); |
| util_blitter_blit(ctx->blitter, &info); |
| fd_blitter_pipe_end(ctx); |
| } |
| |
| static void |
| fd_blitter_pipe_begin(struct fd_context *ctx) |
| { |
| util_blitter_save_vertex_buffer_slot(ctx->blitter, ctx->vtx.vertexbuf.vb); |
| util_blitter_save_vertex_elements(ctx->blitter, ctx->vtx.vtx); |
| util_blitter_save_vertex_shader(ctx->blitter, ctx->prog.vp); |
| util_blitter_save_rasterizer(ctx->blitter, ctx->rasterizer); |
| util_blitter_save_viewport(ctx->blitter, &ctx->viewport); |
| util_blitter_save_scissor(ctx->blitter, &ctx->scissor); |
| util_blitter_save_fragment_shader(ctx->blitter, ctx->prog.fp); |
| util_blitter_save_blend(ctx->blitter, ctx->blend); |
| util_blitter_save_depth_stencil_alpha(ctx->blitter, ctx->zsa); |
| util_blitter_save_stencil_ref(ctx->blitter, &ctx->stencil_ref); |
| util_blitter_save_sample_mask(ctx->blitter, ctx->sample_mask); |
| util_blitter_save_framebuffer(ctx->blitter, &ctx->framebuffer); |
| util_blitter_save_fragment_sampler_states(ctx->blitter, |
| ctx->fragtex.num_samplers, |
| (void **)ctx->fragtex.samplers); |
| util_blitter_save_fragment_sampler_views(ctx->blitter, |
| ctx->fragtex.num_textures, ctx->fragtex.textures); |
| |
| fd_hw_query_set_stage(ctx, ctx->ring, FD_STAGE_BLIT); |
| } |
| |
| static void |
| fd_blitter_pipe_end(struct fd_context *ctx) |
| { |
| fd_hw_query_set_stage(ctx, ctx->ring, FD_STAGE_NULL); |
| } |
| |
| static void |
| fd_flush_resource(struct pipe_context *pctx, struct pipe_resource *prsc) |
| { |
| struct fd_resource *rsc = fd_resource(prsc); |
| |
| if (rsc->dirty) |
| fd_context_render(pctx); |
| } |
| |
| void |
| fd_resource_screen_init(struct pipe_screen *pscreen) |
| { |
| pscreen->resource_create = fd_resource_create; |
| pscreen->resource_from_handle = fd_resource_from_handle; |
| pscreen->resource_get_handle = u_resource_get_handle_vtbl; |
| pscreen->resource_destroy = u_resource_destroy_vtbl; |
| } |
| |
| void |
| fd_resource_context_init(struct pipe_context *pctx) |
| { |
| pctx->transfer_map = u_transfer_map_vtbl; |
| pctx->transfer_flush_region = u_transfer_flush_region_vtbl; |
| pctx->transfer_unmap = u_transfer_unmap_vtbl; |
| pctx->transfer_inline_write = u_transfer_inline_write_vtbl; |
| pctx->create_surface = fd_create_surface; |
| pctx->surface_destroy = fd_surface_destroy; |
| pctx->resource_copy_region = fd_resource_copy_region; |
| pctx->blit = fd_blit; |
| pctx->flush_resource = fd_flush_resource; |
| } |