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/*
* Copyright 2010 Christoph Bumiller
*
* 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 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 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 "draw/draw_context.h"
#include "pipe/p_defines.h"
#include "nvc0_context.h"
#include "nvc0_screen.h"
#include "nvc0_resource.h"
#include "nouveau/nouveau_reloc.h"
static void
nvc0_flush(struct pipe_context *pipe,
struct pipe_fence_handle **fence)
{
struct nouveau_screen *screen = &nvc0_context(pipe)->screen->base;
if (fence)
nouveau_fence_ref(screen->fence.current, (struct nouveau_fence **)fence);
/* Try to emit before firing to avoid having to flush again right after
* in case we have to wait on this fence.
*/
nouveau_fence_emit(screen->fence.current);
FIRE_RING(screen->channel);
}
static void
nvc0_texture_barrier(struct pipe_context *pipe)
{
struct nouveau_channel *chan = nvc0_context(pipe)->screen->base.channel;
IMMED_RING(chan, RING_3D(SERIALIZE), 0);
IMMED_RING(chan, RING_3D(TEX_CACHE_CTL), 0);
}
static void
nvc0_context_unreference_resources(struct nvc0_context *nvc0)
{
unsigned s, i;
for (i = 0; i < NVC0_BUFCTX_COUNT; ++i)
nvc0_bufctx_reset(nvc0, i);
for (i = 0; i < nvc0->num_vtxbufs; ++i)
pipe_resource_reference(&nvc0->vtxbuf[i].buffer, NULL);
pipe_resource_reference(&nvc0->idxbuf.buffer, NULL);
for (s = 0; s < 5; ++s) {
for (i = 0; i < nvc0->num_textures[s]; ++i)
pipe_sampler_view_reference(&nvc0->textures[s][i], NULL);
for (i = 0; i < 16; ++i)
pipe_resource_reference(&nvc0->constbuf[s][i], NULL);
}
for (i = 0; i < nvc0->num_tfbbufs; ++i)
pipe_resource_reference(&nvc0->tfbbuf[i], NULL);
}
static void
nvc0_destroy(struct pipe_context *pipe)
{
struct nvc0_context *nvc0 = nvc0_context(pipe);
nvc0_context_unreference_resources(nvc0);
draw_destroy(nvc0->draw);
if (nvc0->screen->cur_ctx == nvc0)
nvc0->screen->cur_ctx = NULL;
FREE(nvc0);
}
void
nvc0_default_flush_notify(struct nouveau_channel *chan)
{
struct nvc0_screen *screen = chan->user_private;
if (!screen)
return;
nouveau_fence_update(&screen->base, TRUE);
nouveau_fence_next(&screen->base);
}
struct pipe_context *
nvc0_create(struct pipe_screen *pscreen, void *priv)
{
struct pipe_winsys *pipe_winsys = pscreen->winsys;
struct nvc0_screen *screen = nvc0_screen(pscreen);
struct nvc0_context *nvc0;
struct pipe_context *pipe;
nvc0 = CALLOC_STRUCT(nvc0_context);
if (!nvc0)
return NULL;
pipe = &nvc0->base.pipe;
nvc0->screen = screen;
nvc0->base.screen = &screen->base;
nvc0->base.copy_data = nvc0_m2mf_copy_linear;
nvc0->base.push_data = nvc0_m2mf_push_linear;
pipe->winsys = pipe_winsys;
pipe->screen = pscreen;
pipe->priv = priv;
pipe->destroy = nvc0_destroy;
pipe->draw_vbo = nvc0_draw_vbo;
pipe->clear = nvc0_clear;
pipe->flush = nvc0_flush;
pipe->texture_barrier = nvc0_texture_barrier;
if (!screen->cur_ctx)
screen->cur_ctx = nvc0;
screen->base.channel->flush_notify = nvc0_default_flush_notify;
nvc0_init_query_functions(nvc0);
nvc0_init_surface_functions(nvc0);
nvc0_init_state_functions(nvc0);
nvc0_init_resource_functions(pipe);
nvc0->draw = draw_create(pipe);
assert(nvc0->draw);
draw_set_rasterize_stage(nvc0->draw, nvc0_draw_render_stage(nvc0));
nouveau_context_init_vdec(&nvc0->base);
/* shader builtin library is per-screen, but we need a context for m2mf */
nvc0_program_library_upload(nvc0);
return pipe;
}
struct resident {
struct nv04_resource *res;
uint32_t flags;
};
void
nvc0_bufctx_add_resident(struct nvc0_context *nvc0, int ctx,
struct nv04_resource *resource, uint32_t flags)
{
struct resident rsd = { resource, flags };
if (!resource->bo)
return;
nvc0->residents_size += sizeof(struct resident);
/* We don't need to reference the resource here, it will be referenced
* in the context/state, and bufctx will be reset when state changes.
*/
util_dynarray_append(&nvc0->residents[ctx], struct resident, rsd);
}
void
nvc0_bufctx_del_resident(struct nvc0_context *nvc0, int ctx,
struct nv04_resource *resource)
{
struct resident *rsd, *top;
unsigned i;
for (i = 0; i < nvc0->residents[ctx].size / sizeof(struct resident); ++i) {
rsd = util_dynarray_element(&nvc0->residents[ctx], struct resident, i);
if (rsd->res == resource) {
top = util_dynarray_pop_ptr(&nvc0->residents[ctx], struct resident);
if (rsd != top)
*rsd = *top;
nvc0->residents_size -= sizeof(struct resident);
break;
}
}
}
void
nvc0_bufctx_emit_relocs(struct nvc0_context *nvc0)
{
struct resident *rsd;
struct util_dynarray *array;
unsigned ctx, i, n;
n = nvc0->residents_size / sizeof(struct resident);
n += NVC0_SCREEN_RESIDENT_BO_COUNT;
MARK_RING(nvc0->screen->base.channel, 0, n);
for (ctx = 0; ctx < NVC0_BUFCTX_COUNT; ++ctx) {
array = &nvc0->residents[ctx];
n = array->size / sizeof(struct resident);
for (i = 0; i < n; ++i) {
rsd = util_dynarray_element(array, struct resident, i);
nvc0_resource_validate(rsd->res, rsd->flags);
}
}
nvc0_screen_make_buffers_resident(nvc0->screen);
}
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