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/*
* Copyright (c) 2012-2013 Etnaviv Project
*
* 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, sub license,
* 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 NON-INFRINGEMENT. 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.
*/
/* Texture CSOs */
#include "etna_texture.h"
#include "etna_internal.h"
#include "etna_pipe.h"
#include "etna_translate.h"
#include "pipe/p_defines.h"
#include "pipe/p_state.h"
#include "util/u_inlines.h"
#include "util/u_memory.h"
#include <etnaviv/common.xml.h>
#include <etnaviv/state.xml.h>
#include <etnaviv/state_3d.xml.h>
static void *etna_pipe_create_sampler_state(struct pipe_context *pipe,
const struct pipe_sampler_state *ss)
{
//struct etna_pipe_context *priv = etna_pipe_context(pipe);
struct compiled_sampler_state *cs = CALLOC_STRUCT(compiled_sampler_state);
cs->TE_SAMPLER_CONFIG0 =
VIVS_TE_SAMPLER_CONFIG0_UWRAP(translate_texture_wrapmode(ss->wrap_s))|
VIVS_TE_SAMPLER_CONFIG0_VWRAP(translate_texture_wrapmode(ss->wrap_t))|
VIVS_TE_SAMPLER_CONFIG0_MIN(translate_texture_filter(ss->min_img_filter))|
VIVS_TE_SAMPLER_CONFIG0_MIP(translate_texture_mipfilter(ss->min_mip_filter))|
VIVS_TE_SAMPLER_CONFIG0_MAG(translate_texture_filter(ss->mag_img_filter));
cs->TE_SAMPLER_CONFIG1 = 0; /* VIVS_TE_SAMPLER_CONFIG1 (swizzle, extended format) fully determined by sampler view */
cs->TE_SAMPLER_LOD_CONFIG =
(ss->lod_bias != 0.0 ? VIVS_TE_SAMPLER_LOD_CONFIG_BIAS_ENABLE : 0) |
VIVS_TE_SAMPLER_LOD_CONFIG_BIAS(etna_float_to_fixp55(ss->lod_bias));
if(ss->min_mip_filter != PIPE_TEX_MIPFILTER_NONE)
{
cs->min_lod = etna_float_to_fixp55(ss->min_lod);
cs->max_lod = etna_float_to_fixp55(ss->max_lod);
} else { /* when not mipmapping, we need to set max/min lod so that always lowest LOD is selected */
cs->min_lod = cs->max_lod = etna_float_to_fixp55(ss->min_lod);
}
return cs;
}
static void etna_pipe_bind_fragment_sampler_states(struct pipe_context *pipe,
unsigned num_samplers,
void **samplers)
{
struct etna_pipe_context *priv = etna_pipe_context(pipe);
priv->dirty_bits |= ETNA_STATE_SAMPLERS;
priv->num_fragment_samplers = num_samplers;
for(int idx=0; idx<num_samplers; ++idx)
{
priv->sampler_p[idx] = samplers[idx];
if(samplers[idx])
priv->sampler[idx] = *(struct compiled_sampler_state*)samplers[idx];
}
}
static void etna_pipe_bind_vertex_sampler_states(struct pipe_context *pipe,
unsigned num_samplers,
void **samplers)
{
struct etna_pipe_context *priv = etna_pipe_context(pipe);
priv->dirty_bits |= ETNA_STATE_SAMPLERS;
priv->num_vertex_samplers = num_samplers;
for(int idx=0; idx<num_samplers; ++idx)
{
priv->sampler_p[priv->specs.vertex_sampler_offset + idx] = samplers[idx];
if(samplers[idx])
priv->sampler[priv->specs.vertex_sampler_offset + idx] = *(struct compiled_sampler_state*)samplers[idx];
}
}
static void etna_pipe_delete_sampler_state(struct pipe_context *pipe, void *ss)
{
//struct etna_pipe_context *priv = etna_pipe_context(pipe);
FREE(ss);
}
static struct pipe_sampler_view *etna_pipe_create_sampler_view(struct pipe_context *pipe,
struct pipe_resource *texture,
const struct pipe_sampler_view *templat)
{
struct etna_pipe_context *priv = etna_pipe_context(pipe);
struct etna_sampler_view *sv = CALLOC_STRUCT(etna_sampler_view);
sv->base = *templat;
sv->base.context = pipe;
sv->base.texture = 0;
pipe_resource_reference(&sv->base.texture, texture);
sv->base.texture = texture;
assert(sv->base.texture);
struct compiled_sampler_view *cs = CALLOC_STRUCT(compiled_sampler_view);
struct etna_resource *res = etna_resource(sv->base.texture);
assert(res != NULL);
cs->TE_SAMPLER_CONFIG0 =
VIVS_TE_SAMPLER_CONFIG0_TYPE(translate_texture_target(res->base.target, false)) |
VIVS_TE_SAMPLER_CONFIG0_FORMAT(translate_texture_format(sv->base.format, false));
/* merged with sampler state */
cs->TE_SAMPLER_CONFIG0_MASK = 0xffffffff;
cs->TE_SAMPLER_CONFIG1 =
VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_R(templat->swizzle_r) |
VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_G(templat->swizzle_g) |
VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_B(templat->swizzle_b) |
VIVS_TE_SAMPLER_CONFIG1_SWIZZLE_A(templat->swizzle_a) |
VIVS_TE_SAMPLER_CONFIG1_HALIGN(res->halign);
cs->TE_SAMPLER_SIZE =
VIVS_TE_SAMPLER_SIZE_WIDTH(res->base.width0)|
VIVS_TE_SAMPLER_SIZE_HEIGHT(res->base.height0);
cs->TE_SAMPLER_LOG_SIZE =
VIVS_TE_SAMPLER_LOG_SIZE_WIDTH(etna_log2_fixp55(res->base.width0)) |
VIVS_TE_SAMPLER_LOG_SIZE_HEIGHT(etna_log2_fixp55(res->base.height0));
/* Set up levels-of-detail */
for(int lod=0; lod<=res->base.last_level; ++lod)
{
cs->TE_SAMPLER_LOD_ADDR[lod] = etna_bo_gpu_address(res->bo) + res->levels[lod].offset;
}
cs->min_lod = sv->base.u.tex.first_level << 5;
cs->max_lod = MIN2(sv->base.u.tex.last_level, res->base.last_level) << 5;
/* Workaround for npot textures -- it appears that only CLAMP_TO_EDGE is supported when the
* appropriate capability is not set. */
if(!priv->specs.npot_tex_any_wrap &&
(!util_is_power_of_two(res->base.width0) || !util_is_power_of_two(res->base.height0)))
{
cs->TE_SAMPLER_CONFIG0_MASK = ~(VIVS_TE_SAMPLER_CONFIG0_UWRAP__MASK |
VIVS_TE_SAMPLER_CONFIG0_VWRAP__MASK);
cs->TE_SAMPLER_CONFIG0 |= VIVS_TE_SAMPLER_CONFIG0_UWRAP(TEXTURE_WRAPMODE_CLAMP_TO_EDGE) |
VIVS_TE_SAMPLER_CONFIG0_VWRAP(TEXTURE_WRAPMODE_CLAMP_TO_EDGE);
}
sv->internal = cs;
pipe_reference_init(&sv->base.reference, 1);
return &sv->base;
}
static void etna_pipe_sampler_view_destroy(struct pipe_context *pipe,
struct pipe_sampler_view *view)
{
//struct etna_pipe_context *priv = etna_pipe_context(pipe);
pipe_resource_reference(&view->texture, NULL);
FREE(etna_sampler_view(view)->internal);
FREE(view);
}
static void etna_pipe_set_fragment_sampler_views(struct pipe_context *pipe,
unsigned num_views,
struct pipe_sampler_view **info)
{
struct etna_pipe_context *priv = etna_pipe_context(pipe);
unsigned idx;
priv->dirty_bits |= ETNA_STATE_SAMPLER_VIEWS;
priv->num_fragment_sampler_views = num_views;
for(idx=0; idx<num_views; ++idx)
{
pipe_sampler_view_reference(&priv->sampler_view_s[idx], info[idx]);
if(info[idx])
priv->sampler_view[idx] = *etna_sampler_view(info[idx])->internal;
}
for(; idx<priv->specs.fragment_sampler_count; ++idx)
{
pipe_sampler_view_reference(&priv->sampler_view_s[idx], NULL);
}
}
static void etna_pipe_set_vertex_sampler_views(struct pipe_context *pipe,
unsigned num_views,
struct pipe_sampler_view **info)
{
struct etna_pipe_context *priv = etna_pipe_context(pipe);
unsigned idx;
unsigned offset = priv->specs.vertex_sampler_offset;
priv->dirty_bits |= ETNA_STATE_SAMPLER_VIEWS;
priv->num_vertex_sampler_views = num_views;
for(idx=0; idx<num_views; ++idx)
{
pipe_sampler_view_reference(&priv->sampler_view_s[offset + idx], info[idx]);
if(info[idx])
priv->sampler_view[offset + idx] = *etna_sampler_view(info[idx])->internal;
}
for(; idx<priv->specs.vertex_sampler_count; ++idx)
{
pipe_sampler_view_reference(&priv->sampler_view_s[offset + idx], NULL);
}
}
static void etna_pipe_texture_barrier(struct pipe_context *pipe)
{
struct etna_pipe_context *priv = etna_pipe_context(pipe);
/* clear color and texture cache to make sure that texture unit reads
* what has been written
*/
etna_set_state(priv->ctx, VIVS_GL_FLUSH_CACHE, VIVS_GL_FLUSH_CACHE_COLOR | VIVS_GL_FLUSH_CACHE_TEXTURE);
}
void etna_pipe_texture_init(struct pipe_context *pc)
{
pc->create_sampler_state = etna_pipe_create_sampler_state;
pc->bind_fragment_sampler_states = etna_pipe_bind_fragment_sampler_states;
pc->bind_vertex_sampler_states = etna_pipe_bind_vertex_sampler_states;
/* XXX bind_geometry_sampler_states */
/* XXX bind_compute_sampler_states */
pc->delete_sampler_state = etna_pipe_delete_sampler_state;
pc->set_fragment_sampler_views = etna_pipe_set_fragment_sampler_views;
pc->set_vertex_sampler_views = etna_pipe_set_vertex_sampler_views;
/* XXX set_geometry_sampler_views */
/* XXX set_compute_sampler_views */
/* XXX set_shader_resources */
pc->create_sampler_view = etna_pipe_create_sampler_view;
pc->sampler_view_destroy = etna_pipe_sampler_view_destroy;
pc->texture_barrier = etna_pipe_texture_barrier;
}
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