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/*
* Copyright © 2014 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 <xf86drm.h>
#include <err.h>
#include "pipe/p_defines.h"
#include "util/ralloc.h"
#include "util/u_inlines.h"
#include "util/u_memory.h"
#include "util/u_blitter.h"
#include "util/u_upload_mgr.h"
#include "indices/u_primconvert.h"
#include "pipe/p_screen.h"
#include "vc4_screen.h"
#include "vc4_context.h"
#include "vc4_resource.h"
void
vc4_flush(struct pipe_context *pctx)
{
struct vc4_context *vc4 = vc4_context(pctx);
struct hash_entry *entry;
hash_table_foreach(vc4->jobs, entry) {
struct vc4_job *job = entry->data;
vc4_job_submit(vc4, job);
}
}
static void
vc4_pipe_flush(struct pipe_context *pctx, struct pipe_fence_handle **fence,
unsigned flags)
{
struct vc4_context *vc4 = vc4_context(pctx);
vc4_flush(pctx);
if (fence) {
struct pipe_screen *screen = pctx->screen;
struct vc4_fence *f = vc4_fence_create(vc4->screen,
vc4->last_emit_seqno);
screen->fence_reference(screen, fence, NULL);
*fence = (struct pipe_fence_handle *)f;
}
}
/* We can't flush the texture cache within rendering a tile, so we have to
* flush all rendering to the kernel so that the next job reading from the
* tile gets a flushed cache.
*/
static void
vc4_texture_barrier(struct pipe_context *pctx, unsigned flags)
{
vc4_flush(pctx);
}
static void
vc4_invalidate_resource(struct pipe_context *pctx, struct pipe_resource *prsc)
{
struct vc4_context *vc4 = vc4_context(pctx);
struct vc4_resource *rsc = vc4_resource(prsc);
rsc->initialized_buffers = 0;
struct hash_entry *entry = _mesa_hash_table_search(vc4->write_jobs,
prsc);
if (!entry)
return;
struct vc4_job *job = entry->data;
if (job->key.zsbuf && job->key.zsbuf->texture == prsc)
job->resolve &= ~(PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL);
}
static void
vc4_context_destroy(struct pipe_context *pctx)
{
struct vc4_context *vc4 = vc4_context(pctx);
vc4_flush(pctx);
if (vc4->blitter)
util_blitter_destroy(vc4->blitter);
if (vc4->primconvert)
util_primconvert_destroy(vc4->primconvert);
if (vc4->uploader)
u_upload_destroy(vc4->uploader);
slab_destroy_child(&vc4->transfer_pool);
pipe_surface_reference(&vc4->framebuffer.cbufs[0], NULL);
pipe_surface_reference(&vc4->framebuffer.zsbuf, NULL);
vc4_program_fini(pctx);
ralloc_free(vc4);
}
struct pipe_context *
vc4_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags)
{
struct vc4_screen *screen = vc4_screen(pscreen);
struct vc4_context *vc4;
/* Prevent dumping of the shaders built during context setup. */
uint32_t saved_shaderdb_flag = vc4_debug & VC4_DEBUG_SHADERDB;
vc4_debug &= ~VC4_DEBUG_SHADERDB;
vc4 = rzalloc(NULL, struct vc4_context);
if (!vc4)
return NULL;
struct pipe_context *pctx = &vc4->base;
vc4->screen = screen;
pctx->screen = pscreen;
pctx->priv = priv;
pctx->destroy = vc4_context_destroy;
pctx->flush = vc4_pipe_flush;
pctx->invalidate_resource = vc4_invalidate_resource;
pctx->texture_barrier = vc4_texture_barrier;
vc4_draw_init(pctx);
vc4_state_init(pctx);
vc4_program_init(pctx);
vc4_query_init(pctx);
vc4_resource_context_init(pctx);
vc4_job_init(vc4);
vc4->fd = screen->fd;
slab_create_child(&vc4->transfer_pool, &screen->transfer_pool);
vc4->uploader = u_upload_create_default(&vc4->base);
vc4->base.stream_uploader = vc4->uploader;
vc4->base.const_uploader = vc4->uploader;
vc4->blitter = util_blitter_create(pctx);
if (!vc4->blitter)
goto fail;
vc4->primconvert = util_primconvert_create(pctx,
(1 << PIPE_PRIM_QUADS) - 1);
if (!vc4->primconvert)
goto fail;
vc4_debug |= saved_shaderdb_flag;
vc4->sample_mask = (1 << VC4_MAX_SAMPLES) - 1;
return &vc4->base;
fail:
pctx->destroy(pctx);
return NULL;
}
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