355 lines
12 KiB
C
355 lines
12 KiB
C
/*
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* Copyright © 2014 Broadcom
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* Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <stdio.h>
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#include "util/u_memory.h"
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#include "util/u_format.h"
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#include "util/u_inlines.h"
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#include "util/u_surface.h"
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#include "util/u_blitter.h"
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#include "vc4_screen.h"
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#include "vc4_context.h"
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#include "vc4_resource.h"
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static void
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vc4_resource_transfer_unmap(struct pipe_context *pctx,
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struct pipe_transfer *ptrans)
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{
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struct vc4_context *vc4 = vc4_context(pctx);
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pipe_resource_reference(&ptrans->resource, NULL);
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util_slab_free(&vc4->transfer_pool, ptrans);
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}
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static void *
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vc4_resource_transfer_map(struct pipe_context *pctx,
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struct pipe_resource *prsc,
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unsigned level, unsigned usage,
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const struct pipe_box *box,
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struct pipe_transfer **pptrans)
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{
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struct vc4_context *vc4 = vc4_context(pctx);
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struct vc4_resource *rsc = vc4_resource(prsc);
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struct pipe_transfer *ptrans;
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enum pipe_format format = prsc->format;
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char *buf;
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vc4_flush_for_bo(pctx, rsc->bo);
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ptrans = util_slab_alloc(&vc4->transfer_pool);
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if (!ptrans)
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return NULL;
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/* util_slab_alloc() doesn't zero: */
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memset(ptrans, 0, sizeof(*ptrans));
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pipe_resource_reference(&ptrans->resource, prsc);
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ptrans->level = level;
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ptrans->usage = usage;
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ptrans->box = *box;
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ptrans->stride = rsc->slices[level].stride;
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ptrans->layer_stride = ptrans->stride;
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/* Note that the current kernel implementation is synchronous, so no
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* need to do syncing stuff here yet.
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*/
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buf = vc4_bo_map(rsc->bo);
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if (!buf) {
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fprintf(stderr, "Failed to map bo\n");
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goto fail;
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}
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*pptrans = ptrans;
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return buf + rsc->slices[level].offset +
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box->y / util_format_get_blockheight(format) * ptrans->stride +
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box->x / util_format_get_blockwidth(format) * rsc->cpp +
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box->z * rsc->slices[level].size0;
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fail:
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vc4_resource_transfer_unmap(pctx, ptrans);
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return NULL;
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}
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static void
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vc4_resource_destroy(struct pipe_screen *pscreen,
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struct pipe_resource *prsc)
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{
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struct vc4_resource *rsc = vc4_resource(prsc);
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vc4_bo_unreference(&rsc->bo);
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free(rsc);
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}
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static boolean
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vc4_resource_get_handle(struct pipe_screen *pscreen,
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struct pipe_resource *prsc,
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struct winsys_handle *handle)
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{
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struct vc4_resource *rsc = vc4_resource(prsc);
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return vc4_screen_bo_get_handle(pscreen, rsc->bo, rsc->slices[0].stride,
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handle);
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}
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static const struct u_resource_vtbl vc4_resource_vtbl = {
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.resource_get_handle = vc4_resource_get_handle,
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.resource_destroy = vc4_resource_destroy,
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.transfer_map = vc4_resource_transfer_map,
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.transfer_flush_region = u_default_transfer_flush_region,
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.transfer_unmap = vc4_resource_transfer_unmap,
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.transfer_inline_write = u_default_transfer_inline_write,
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};
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static void
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vc4_setup_slices(struct vc4_resource *rsc)
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{
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struct pipe_resource *prsc = &rsc->base.b;
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uint32_t width = prsc->width0;
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uint32_t height = prsc->height0;
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uint32_t depth = prsc->depth0;
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uint32_t offset = 0;
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for (int i = prsc->last_level; i >= 0; i--) {
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struct vc4_resource_slice *slice = &rsc->slices[i];
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uint32_t level_width = u_minify(width, i);
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uint32_t level_height = u_minify(height, i);
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slice->offset = offset;
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slice->stride = align(level_width * rsc->cpp, 16);
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slice->size0 = level_height * slice->stride;
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/* Note, since we have cubes but no 3D, depth is invariant
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* with miplevel.
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*/
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offset += slice->size0 * depth;
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}
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/* XXX: align level 0 offset? */
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}
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static struct vc4_resource *
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vc4_resource_setup(struct pipe_screen *pscreen,
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const struct pipe_resource *tmpl)
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{
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struct vc4_resource *rsc = CALLOC_STRUCT(vc4_resource);
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if (!rsc)
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return NULL;
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struct pipe_resource *prsc = &rsc->base.b;
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*prsc = *tmpl;
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pipe_reference_init(&prsc->reference, 1);
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prsc->screen = pscreen;
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rsc->base.vtbl = &vc4_resource_vtbl;
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rsc->cpp = util_format_get_blocksize(tmpl->format);
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assert(rsc->cpp);
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return rsc;
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}
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static struct pipe_resource *
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vc4_resource_create(struct pipe_screen *pscreen,
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const struct pipe_resource *tmpl)
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{
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struct vc4_resource *rsc = vc4_resource_setup(pscreen, tmpl);
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struct pipe_resource *prsc = &rsc->base.b;
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vc4_setup_slices(rsc);
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rsc->tiling = VC4_TILING_FORMAT_LINEAR;
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rsc->bo = vc4_bo_alloc(vc4_screen(pscreen),
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rsc->slices[0].offset +
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rsc->slices[0].size0 * prsc->depth0,
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"resource");
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if (!rsc->bo)
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goto fail;
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return prsc;
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fail:
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vc4_resource_destroy(pscreen, prsc);
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return NULL;
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}
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static struct pipe_resource *
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vc4_resource_from_handle(struct pipe_screen *pscreen,
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const struct pipe_resource *tmpl,
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struct winsys_handle *handle)
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{
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struct vc4_resource *rsc = vc4_resource_setup(pscreen, tmpl);
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struct pipe_resource *prsc = &rsc->base.b;
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struct vc4_resource_slice *slice = &rsc->slices[0];
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if (!rsc)
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return NULL;
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rsc->tiling = VC4_TILING_FORMAT_LINEAR;
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rsc->bo = vc4_screen_bo_from_handle(pscreen, handle, &slice->stride);
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if (!rsc->bo)
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goto fail;
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#ifdef USE_VC4_SIMULATOR
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slice->stride = align(prsc->width0 * rsc->cpp, 16);
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#endif
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return prsc;
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fail:
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vc4_resource_destroy(pscreen, prsc);
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return NULL;
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}
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static struct pipe_surface *
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vc4_create_surface(struct pipe_context *pctx,
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struct pipe_resource *ptex,
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const struct pipe_surface *surf_tmpl)
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{
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struct vc4_surface *surface = CALLOC_STRUCT(vc4_surface);
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if (!surface)
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return NULL;
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assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer);
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struct pipe_surface *psurf = &surface->base;
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unsigned level = surf_tmpl->u.tex.level;
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pipe_reference_init(&psurf->reference, 1);
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pipe_resource_reference(&psurf->texture, ptex);
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psurf->context = pctx;
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psurf->format = surf_tmpl->format;
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psurf->width = u_minify(ptex->width0, level);
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psurf->height = u_minify(ptex->height0, level);
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psurf->u.tex.level = level;
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psurf->u.tex.first_layer = surf_tmpl->u.tex.first_layer;
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psurf->u.tex.last_layer = surf_tmpl->u.tex.last_layer;
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return &surface->base;
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}
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static void
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vc4_surface_destroy(struct pipe_context *pctx, struct pipe_surface *psurf)
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{
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pipe_resource_reference(&psurf->texture, NULL);
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FREE(psurf);
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}
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static void
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vc4_flush_resource(struct pipe_context *pctx, struct pipe_resource *resource)
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{
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struct vc4_context *vc4 = vc4_context(pctx);
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/* XXX: Skip this if we don't have any queued drawing to it. */
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vc4->base.flush(pctx, NULL, 0);
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}
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static bool
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render_blit(struct pipe_context *ctx, struct pipe_blit_info *info)
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{
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struct vc4_context *vc4 = vc4_context(ctx);
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if (!util_blitter_is_blit_supported(vc4->blitter, info)) {
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fprintf(stderr, "blit unsupported %s -> %s",
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util_format_short_name(info->src.resource->format),
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util_format_short_name(info->dst.resource->format));
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return false;
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}
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util_blitter_save_vertex_buffer_slot(vc4->blitter, vc4->vertexbuf.vb);
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util_blitter_save_vertex_elements(vc4->blitter, vc4->vtx);
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util_blitter_save_vertex_shader(vc4->blitter, vc4->prog.vs);
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util_blitter_save_rasterizer(vc4->blitter, vc4->rasterizer);
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util_blitter_save_viewport(vc4->blitter, &vc4->viewport);
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util_blitter_save_scissor(vc4->blitter, &vc4->scissor);
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util_blitter_save_fragment_shader(vc4->blitter, vc4->prog.fs);
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util_blitter_save_blend(vc4->blitter, vc4->blend);
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util_blitter_save_depth_stencil_alpha(vc4->blitter, vc4->zsa);
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util_blitter_save_stencil_ref(vc4->blitter, &vc4->stencil_ref);
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util_blitter_save_sample_mask(vc4->blitter, vc4->sample_mask);
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util_blitter_save_framebuffer(vc4->blitter, &vc4->framebuffer);
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util_blitter_save_fragment_sampler_states(vc4->blitter,
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vc4->fragtex.num_samplers,
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(void **)vc4->fragtex.samplers);
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util_blitter_save_fragment_sampler_views(vc4->blitter,
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vc4->fragtex.num_textures, vc4->fragtex.textures);
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util_blitter_blit(vc4->blitter, info);
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return true;
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}
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/* Optimal hardware path for blitting pixels.
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* Scaling, format conversion, up- and downsampling (resolve) are allowed.
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*/
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static void
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vc4_blit(struct pipe_context *pctx, const struct pipe_blit_info *blit_info)
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{
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struct pipe_blit_info info = *blit_info;
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if (info.src.resource->nr_samples > 1 &&
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info.dst.resource->nr_samples <= 1 &&
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!util_format_is_depth_or_stencil(info.src.resource->format) &&
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!util_format_is_pure_integer(info.src.resource->format)) {
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fprintf(stderr, "color resolve unimplemented");
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return;
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}
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if (util_try_blit_via_copy_region(pctx, &info)) {
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return; /* done */
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}
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if (info.mask & PIPE_MASK_S) {
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fprintf(stderr, "cannot blit stencil, skipping");
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info.mask &= ~PIPE_MASK_S;
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}
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render_blit(pctx, &info);
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}
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void
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vc4_resource_screen_init(struct pipe_screen *pscreen)
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{
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pscreen->resource_create = vc4_resource_create;
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pscreen->resource_from_handle = vc4_resource_from_handle;
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pscreen->resource_get_handle = u_resource_get_handle_vtbl;
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pscreen->resource_destroy = u_resource_destroy_vtbl;
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}
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void
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vc4_resource_context_init(struct pipe_context *pctx)
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{
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pctx->transfer_map = u_transfer_map_vtbl;
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pctx->transfer_flush_region = u_transfer_flush_region_vtbl;
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pctx->transfer_unmap = u_transfer_unmap_vtbl;
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pctx->transfer_inline_write = u_transfer_inline_write_vtbl;
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pctx->create_surface = vc4_create_surface;
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pctx->surface_destroy = vc4_surface_destroy;
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pctx->resource_copy_region = util_resource_copy_region;
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pctx->blit = vc4_blit;
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pctx->flush_resource = vc4_flush_resource;
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}
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