/* -*- 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 "pipe/p_state.h"
#include "util/u_string.h"
#include "util/u_memory.h"
#include "util/u_inlines.h"
#include "freedreno_texture.h"
#include "freedreno_context.h"
#include "freedreno_util.h"
static void
fd_sampler_state_delete(struct pipe_context *pctx, void *hwcso)
{
FREE(hwcso);
}
static void
fd_sampler_view_destroy(struct pipe_context *pctx,
struct pipe_sampler_view *view)
{
pipe_resource_reference(&view->texture, NULL);
FREE(view);
}
static void bind_sampler_states(struct fd_texture_stateobj *prog,
unsigned nr, void **hwcso)
{
unsigned i;
unsigned new_nr = 0;
for (i = 0; i < nr; i++) {
if (hwcso[i])
new_nr++;
prog->samplers[i] = hwcso[i];
prog->dirty_samplers |= (1 << i);
}
for (; i < prog->num_samplers; i++) {
prog->samplers[i] = NULL;
prog->dirty_samplers |= (1 << i);
}
prog->num_samplers = new_nr;
}
static void set_sampler_views(struct fd_texture_stateobj *prog,
unsigned nr, struct pipe_sampler_view **views)
{
unsigned i;
unsigned new_nr = 0;
for (i = 0; i < nr; i++) {
if (views[i])
new_nr++;
pipe_sampler_view_reference(&prog->textures[i], views[i]);
prog->dirty_samplers |= (1 << i);
}
for (; i < prog->num_textures; i++) {
pipe_sampler_view_reference(&prog->textures[i], NULL);
prog->dirty_samplers |= (1 << i);
}
prog->num_textures = new_nr;
}
static void
fd_fragtex_sampler_states_bind(struct pipe_context *pctx,
unsigned nr, void **hwcso)
{
struct fd_context *ctx = fd_context(pctx);
/* on a2xx, since there is a flat address space for textures/samplers,
* a change in # of fragment textures/samplers will trigger patching and
* re-emitting the vertex shader:
*/
if (nr != ctx->fragtex.num_samplers)
ctx->dirty |= FD_DIRTY_TEXSTATE;
bind_sampler_states(&ctx->fragtex, nr, hwcso);
ctx->dirty |= FD_DIRTY_FRAGTEX;
}
static void
fd_fragtex_set_sampler_views(struct pipe_context *pctx, unsigned nr,
struct pipe_sampler_view **views)
{
struct fd_context *ctx = fd_context(pctx);
/* on a2xx, since there is a flat address space for textures/samplers,
* a change in # of fragment textures/samplers will trigger patching and
* re-emitting the vertex shader:
*/
if (nr != ctx->fragtex.num_textures)
ctx->dirty |= FD_DIRTY_TEXSTATE;
set_sampler_views(&ctx->fragtex, nr, views);
ctx->dirty |= FD_DIRTY_FRAGTEX;
}
static void
fd_verttex_sampler_states_bind(struct pipe_context *pctx,
unsigned nr, void **hwcso)
{
struct fd_context *ctx = fd_context(pctx);
bind_sampler_states(&ctx->verttex, nr, hwcso);
ctx->dirty |= FD_DIRTY_VERTTEX;
}
static void
fd_verttex_set_sampler_views(struct pipe_context *pctx, unsigned nr,
struct pipe_sampler_view **views)
{
struct fd_context *ctx = fd_context(pctx);
set_sampler_views(&ctx->verttex, nr, views);
ctx->dirty |= FD_DIRTY_VERTTEX;
}
void
fd_texture_init(struct pipe_context *pctx)
{
pctx->delete_sampler_state = fd_sampler_state_delete;
pctx->sampler_view_destroy = fd_sampler_view_destroy;
pctx->bind_fragment_sampler_states = fd_fragtex_sampler_states_bind;
pctx->set_fragment_sampler_views = fd_fragtex_set_sampler_views;
pctx->bind_vertex_sampler_states = fd_verttex_sampler_states_bind;
pctx->set_vertex_sampler_views = fd_verttex_set_sampler_views;
}