/*
* 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 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 "pipe/p_defines.h"
#include "util/u_framebuffer.h"
#include "nvc0/nvc0_context.h"
#include "nvc0/nvc0_screen.h"
#include "nvc0/nvc0_resource.h"
static void
nvc0_flush(struct pipe_context *pipe,
struct pipe_fence_handle **fence,
unsigned flags)
{
struct nvc0_context *nvc0 = nvc0_context(pipe);
struct nouveau_screen *screen = &nvc0->screen->base;
if (fence)
nouveau_fence_ref(screen->fence.current, (struct nouveau_fence **)fence);
PUSH_KICK(nvc0->base.pushbuf); /* fencing handled in kick_notify */
nouveau_context_update_frame_stats(&nvc0->base);
}
static void
nvc0_texture_barrier(struct pipe_context *pipe)
{
struct nouveau_pushbuf *push = nvc0_context(pipe)->base.pushbuf;
IMMED_NVC0(push, NVC0_3D(SERIALIZE), 0);
IMMED_NVC0(push, NVC0_3D(TEX_CACHE_CTL), 0);
}
static void
nvc0_memory_barrier(struct pipe_context *pipe, unsigned flags)
{
struct nvc0_context *nvc0 = nvc0_context(pipe);
int i, s;
if (flags & PIPE_BARRIER_MAPPED_BUFFER) {
for (i = 0; i < nvc0->num_vtxbufs; ++i) {
if (!nvc0->vtxbuf[i].buffer)
continue;
if (nvc0->vtxbuf[i].buffer->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT)
nvc0->base.vbo_dirty = TRUE;
}
if (nvc0->idxbuf.buffer &&
nvc0->idxbuf.buffer->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT)
nvc0->base.vbo_dirty = TRUE;
for (s = 0; s < 5 && !nvc0->cb_dirty; ++s) {
uint32_t valid = nvc0->constbuf_valid[s];
while (valid && !nvc0->cb_dirty) {
const unsigned i = ffs(valid) - 1;
struct pipe_resource *res;
valid &= ~(1 << i);
if (nvc0->constbuf[s][i].user)
continue;
res = nvc0->constbuf[s][i].u.buf;
if (!res)
continue;
if (res->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT)
nvc0->cb_dirty = TRUE;
}
}
}
}
static void
nvc0_context_unreference_resources(struct nvc0_context *nvc0)
{
unsigned s, i;
nouveau_bufctx_del(&nvc0->bufctx_3d);
nouveau_bufctx_del(&nvc0->bufctx);
nouveau_bufctx_del(&nvc0->bufctx_cp);
util_unreference_framebuffer_state(&nvc0->framebuffer);
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 < 6; ++s) {
for (i = 0; i < nvc0->num_textures[s]; ++i)
pipe_sampler_view_reference(&nvc0->textures[s][i], NULL);
for (i = 0; i < NVC0_MAX_PIPE_CONSTBUFS; ++i)
if (!nvc0->constbuf[s][i].user)
pipe_resource_reference(&nvc0->constbuf[s][i].u.buf, NULL);
}
for (s = 0; s < 2; ++s) {
for (i = 0; i < NVC0_MAX_SURFACE_SLOTS; ++i)
pipe_surface_reference(&nvc0->surfaces[s][i], NULL);
}
for (i = 0; i < nvc0->num_tfbbufs; ++i)
pipe_so_target_reference(&nvc0->tfbbuf[i], NULL);
for (i = 0; i < nvc0->global_residents.size / sizeof(struct pipe_resource *);
++i) {
struct pipe_resource **res = util_dynarray_element(
&nvc0->global_residents, struct pipe_resource *, i);
pipe_resource_reference(res, NULL);
}
util_dynarray_fini(&nvc0->global_residents);
}
static void
nvc0_destroy(struct pipe_context *pipe)
{
struct nvc0_context *nvc0 = nvc0_context(pipe);
if (nvc0->screen->cur_ctx == nvc0) {
nvc0->screen->cur_ctx = NULL;
nvc0->screen->save_state = nvc0->state;
nvc0->screen->save_state.tfb = NULL;
}
/* Unset bufctx, we don't want to revalidate any resources after the flush.
* Other contexts will always set their bufctx again on action calls.
*/
nouveau_pushbuf_bufctx(nvc0->base.pushbuf, NULL);
nouveau_pushbuf_kick(nvc0->base.pushbuf, nvc0->base.pushbuf->channel);
nvc0_context_unreference_resources(nvc0);
nvc0_blitctx_destroy(nvc0);
nouveau_context_destroy(&nvc0->base);
}
void
nvc0_default_kick_notify(struct nouveau_pushbuf *push)
{
struct nvc0_screen *screen = push->user_priv;
if (screen) {
nouveau_fence_next(&screen->base);
nouveau_fence_update(&screen->base, TRUE);
if (screen->cur_ctx)
screen->cur_ctx->state.flushed = TRUE;
NOUVEAU_DRV_STAT(&screen->base, pushbuf_count, 1);
}
}
static int
nvc0_invalidate_resource_storage(struct nouveau_context *ctx,
struct pipe_resource *res,
int ref)
{
struct nvc0_context *nvc0 = nvc0_context(&ctx->pipe);
unsigned s, i;
if (res->bind & PIPE_BIND_RENDER_TARGET) {
for (i = 0; i < nvc0->framebuffer.nr_cbufs; ++i) {
if (nvc0->framebuffer.cbufs[i] &&
nvc0->framebuffer.cbufs[i]->texture == res) {
nvc0->dirty |= NVC0_NEW_FRAMEBUFFER;
nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_FB);
if (!--ref)
return ref;
}
}
}
if (res->bind & PIPE_BIND_DEPTH_STENCIL) {
if (nvc0->framebuffer.zsbuf &&
nvc0->framebuffer.zsbuf->texture == res) {
nvc0->dirty |= NVC0_NEW_FRAMEBUFFER;
nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_FB);
if (!--ref)
return ref;
}
}
if (res->bind & (PIPE_BIND_VERTEX_BUFFER |
PIPE_BIND_INDEX_BUFFER |
PIPE_BIND_CONSTANT_BUFFER |
PIPE_BIND_STREAM_OUTPUT |
PIPE_BIND_COMMAND_ARGS_BUFFER |
PIPE_BIND_SAMPLER_VIEW)) {
for (i = 0; i < nvc0->num_vtxbufs; ++i) {
if (nvc0->vtxbuf[i].buffer == res) {
nvc0->dirty |= NVC0_NEW_ARRAYS;
nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_VTX);
if (!--ref)
return ref;
}
}
if (nvc0->idxbuf.buffer == res) {
nvc0->dirty |= NVC0_NEW_IDXBUF;
nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_IDX);
if (!--ref)
return ref;
}
for (s = 0; s < 5; ++s) {
for (i = 0; i < nvc0->num_textures[s]; ++i) {
if (nvc0->textures[s][i] &&
nvc0->textures[s][i]->texture == res) {
nvc0->textures_dirty[s] |= 1 << i;
nvc0->dirty |= NVC0_NEW_TEXTURES;
nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_TEX(s, i));
if (!--ref)
return ref;
}
}
}
for (s = 0; s < 5; ++s) {
for (i = 0; i < NVC0_MAX_PIPE_CONSTBUFS; ++i) {
if (!(nvc0->constbuf_valid[s] & (1 << i)))
continue;
if (!nvc0->constbuf[s][i].user &&
nvc0->constbuf[s][i].u.buf == res) {
nvc0->dirty |= NVC0_NEW_CONSTBUF;
nvc0->constbuf_dirty[s] |= 1 << i;
nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_CB(s, i));
if (!--ref)
return ref;
}
}
}
}
return ref;
}
static void
nvc0_context_get_sample_position(struct pipe_context *, unsigned, unsigned,
float *);
struct pipe_context *
nvc0_create(struct pipe_screen *pscreen, void *priv)
{
struct nvc0_screen *screen = nvc0_screen(pscreen);
struct nvc0_context *nvc0;
struct pipe_context *pipe;
int ret;
uint32_t flags;
nvc0 = CALLOC_STRUCT(nvc0_context);
if (!nvc0)
return NULL;
pipe = &nvc0->base.pipe;
if (!nvc0_blitctx_create(nvc0))
goto out_err;
nvc0->base.pushbuf = screen->base.pushbuf;
nvc0->base.client = screen->base.client;
ret = nouveau_bufctx_new(screen->base.client, 2, &nvc0->bufctx);
if (!ret)
ret = nouveau_bufctx_new(screen->base.client, NVC0_BIND_3D_COUNT,
&nvc0->bufctx_3d);
if (!ret)
ret = nouveau_bufctx_new(screen->base.client, NVC0_BIND_CP_COUNT,
&nvc0->bufctx_cp);
if (ret)
goto out_err;
nvc0->screen = screen;
nvc0->base.screen = &screen->base;
pipe->screen = pscreen;
pipe->priv = priv;
pipe->destroy = nvc0_destroy;
pipe->draw_vbo = nvc0_draw_vbo;
pipe->clear = nvc0_clear;
pipe->launch_grid = (nvc0->screen->base.class_3d >= NVE4_3D_CLASS) ?
nve4_launch_grid : nvc0_launch_grid;
pipe->flush = nvc0_flush;
pipe->texture_barrier = nvc0_texture_barrier;
pipe->memory_barrier = nvc0_memory_barrier;
pipe->get_sample_position = nvc0_context_get_sample_position;
if (!screen->cur_ctx) {
nvc0->state = screen->save_state;
screen->cur_ctx = nvc0;
nouveau_pushbuf_bufctx(screen->base.pushbuf, nvc0->bufctx);
}
screen->base.pushbuf->kick_notify = nvc0_default_kick_notify;
nvc0_init_query_functions(nvc0);
nvc0_init_surface_functions(nvc0);
nvc0_init_state_functions(nvc0);
nvc0_init_transfer_functions(nvc0);
nvc0_init_resource_functions(pipe);
nvc0->base.invalidate_resource_storage = nvc0_invalidate_resource_storage;
pipe->create_video_codec = nvc0_create_decoder;
pipe->create_video_buffer = nvc0_video_buffer_create;
/* shader builtin library is per-screen, but we need a context for m2mf */
nvc0_program_library_upload(nvc0);
/* add permanently resident buffers to bufctxts */
flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_RD;
BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->text);
BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->uniform_bo);
BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->txc);
if (screen->compute) {
BCTX_REFN_bo(nvc0->bufctx_cp, CP_SCREEN, flags, screen->text);
BCTX_REFN_bo(nvc0->bufctx_cp, CP_SCREEN, flags, screen->txc);
BCTX_REFN_bo(nvc0->bufctx_cp, CP_SCREEN, flags, screen->parm);
}
flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR;
if (screen->poly_cache)
BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->poly_cache);
if (screen->compute)
BCTX_REFN_bo(nvc0->bufctx_cp, CP_SCREEN, flags, screen->tls);
flags = NOUVEAU_BO_GART | NOUVEAU_BO_WR;
BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->fence.bo);
BCTX_REFN_bo(nvc0->bufctx, FENCE, flags, screen->fence.bo);
if (screen->compute)
BCTX_REFN_bo(nvc0->bufctx_cp, CP_SCREEN, flags, screen->fence.bo);
nvc0->base.scratch.bo_size = 2 << 20;
memset(nvc0
->tex_handles
, ~
0, sizeof(nvc0
->tex_handles
));
util_dynarray_init(&nvc0->global_residents);
return pipe;
out_err:
if (nvc0) {
if (nvc0->bufctx_3d)
nouveau_bufctx_del(&nvc0->bufctx_3d);
if (nvc0->bufctx_cp)
nouveau_bufctx_del(&nvc0->bufctx_cp);
if (nvc0->bufctx)
nouveau_bufctx_del(&nvc0->bufctx);
FREE(nvc0->blit);
FREE(nvc0);
}
return NULL;
}
void
nvc0_bufctx_fence(struct nvc0_context *nvc0, struct nouveau_bufctx *bufctx,
boolean on_flush)
{
struct nouveau_list *list = on_flush ? &bufctx->current : &bufctx->pending;
struct nouveau_list *it;
NOUVEAU_DRV_STAT_IFD(unsigned count = 0);
for (it = list->next; it != list; it = it->next) {
struct nouveau_bufref *ref = (struct nouveau_bufref *)it;
struct nv04_resource *res = ref->priv;
if (res)
nvc0_resource_validate(res, (unsigned)ref->priv_data);
NOUVEAU_DRV_STAT_IFD(count++);
}
NOUVEAU_DRV_STAT(&nvc0->screen->base, resource_validate_count, count);
}
static void
nvc0_context_get_sample_position(struct pipe_context *pipe,
unsigned sample_count, unsigned sample_index,
float *xy)
{
static const uint8_t ms1[1][2] = { { 0x8, 0x8 } };
static const uint8_t ms2[2][2] = {
{ 0x4, 0x4 }, { 0xc, 0xc } }; /* surface coords (0,0), (1,0) */
static const uint8_t ms4[4][2] = {
{ 0x6, 0x2 }, { 0xe, 0x6 }, /* (0,0), (1,0) */
{ 0x2, 0xa }, { 0xa, 0xe } }; /* (0,1), (1,1) */
static const uint8_t ms8[8][2] = {
{ 0x1, 0x7 }, { 0x5, 0x3 }, /* (0,0), (1,0) */
{ 0x3, 0xd }, { 0x7, 0xb }, /* (0,1), (1,1) */
{ 0x9, 0x5 }, { 0xf, 0x1 }, /* (2,0), (3,0) */
{ 0xb, 0xf }, { 0xd, 0x9 } }; /* (2,1), (3,1) */
#if 0
/* NOTE: there are alternative modes for MS2 and MS8, currently not used */
static const uint8_t ms8_alt[8][2] = {
{ 0x9, 0x5 }, { 0x7, 0xb }, /* (2,0), (1,1) */
{ 0xd, 0x9 }, { 0x5, 0x3 }, /* (3,1), (1,0) */
{ 0x3, 0xd }, { 0x1, 0x7 }, /* (0,1), (0,0) */
{ 0xb, 0xf }, { 0xf, 0x1 } }; /* (2,1), (3,0) */
#endif
const uint8_t (*ptr)[2];
switch (sample_count) {
case 0:
case 1: ptr = ms1; break;
case 2: ptr = ms2; break;
case 4: ptr = ms4; break;
case 8: ptr = ms8; break;
default:
return; /* bad sample count -> undefined locations */
}
xy[0] = ptr[sample_index][0] * 0.0625f;
xy[1] = ptr[sample_index][1] * 0.0625f;
}