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/*
* Copyright (C) 2016 Rob Clark <robclark@freedesktop.org>
* Copyright © 2018 Google, Inc.
*
* 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>
*/
#ifndef FD6_TEXTURE_H_
#define FD6_TEXTURE_H_
#include "pipe/p_context.h"
#include "freedreno_texture.h"
#include "freedreno_resource.h"
#include "fd6_context.h"
#include "fd6_format.h"
struct fd6_sampler_stateobj {
struct pipe_sampler_state base;
uint32_t texsamp0, texsamp1, texsamp2, texsamp3;
bool saturate_s, saturate_t, saturate_r;
bool needs_border;
uint16_t seqno;
};
static inline struct fd6_sampler_stateobj *
fd6_sampler_stateobj(struct pipe_sampler_state *samp)
{
return (struct fd6_sampler_stateobj *)samp;
}
struct fd6_pipe_sampler_view {
struct pipe_sampler_view base;
uint32_t texconst0, texconst1, texconst2, texconst3, texconst5;
uint32_t texconst6, texconst7, texconst8, texconst9, texconst10, texconst11;
uint32_t offset;
bool astc_srgb;
uint16_t seqno;
};
static inline struct fd6_pipe_sampler_view *
fd6_pipe_sampler_view(struct pipe_sampler_view *pview)
{
return (struct fd6_pipe_sampler_view *)pview;
}
void fd6_texture_init(struct pipe_context *pctx);
void fd6_texture_fini(struct pipe_context *pctx);
static inline enum a6xx_tex_type
fd6_tex_type(unsigned target)
{
switch (target) {
default:
assert(0);
case PIPE_BUFFER:
case PIPE_TEXTURE_1D:
case PIPE_TEXTURE_1D_ARRAY:
return A6XX_TEX_1D;
case PIPE_TEXTURE_RECT:
case PIPE_TEXTURE_2D:
case PIPE_TEXTURE_2D_ARRAY:
return A6XX_TEX_2D;
case PIPE_TEXTURE_3D:
return A6XX_TEX_3D;
case PIPE_TEXTURE_CUBE:
case PIPE_TEXTURE_CUBE_ARRAY:
return A6XX_TEX_CUBE;
}
}
/*
* Texture stateobj:
*
* The sampler and sampler-view state is mapped to a single hardware
* stateobj which can be emit'd as a pointer in a CP_SET_DRAW_STATE
* packet, to avoid the overhead of re-generating the entire cmdstream
* when application toggles thru multiple different texture states.
*/
struct fd6_texture_key {
struct {
/* We need to track the seqno of the rsc as well as of the
* sampler view, because resource shadowing/etc can result
* that the underlying bo changes (which means the previous
* state was no longer valid.
*/
uint16_t rsc_seqno;
uint16_t seqno;
} view[16];
struct {
uint16_t seqno;
} samp[16];
uint8_t bcolor_offset;
};
struct fd6_texture_state {
struct fd6_texture_key key;
struct fd_ringbuffer *stateobj;
bool needs_border;
};
struct fd6_texture_state * fd6_texture_state(struct fd_context *ctx,
enum a6xx_state_block sb, struct fd_texture_stateobj *tex);
#endif /* FD6_TEXTURE_H_ */
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