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/*
* Copyright © 2011 Intel Corporation
*
* 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.
*/
#ifndef BRW_PROGRAM_H
#define BRW_PROGRAM_H
enum gen6_gather_sampler_wa {
WA_SIGN = 1, /* whether we need to sign extend */
WA_8BIT = 2, /* if we have an 8bit format needing wa */
WA_16BIT = 4, /* if we have a 16bit format needing wa */
};
/**
* Sampler information needed by VS, WM, and GS program cache keys.
*/
struct brw_sampler_prog_key_data {
/**
* EXT_texture_swizzle and DEPTH_TEXTURE_MODE swizzles.
*/
uint16_t swizzles[MAX_SAMPLERS];
uint16_t gl_clamp_mask[3];
/**
* YUV conversions, needed for the GL_MESA_ycbcr extension.
*/
uint16_t yuvtex_mask;
uint16_t yuvtex_swap_mask; /**< UV swaped */
/**
* For RG32F, gather4's channel select is broken.
*/
uint16_t gather_channel_quirk_mask;
/**
* Whether this sampler uses the compressed multisample surface layout.
*/
uint16_t compressed_multisample_layout_mask;
/**
* For Sandybridge, which shader w/a we need for gather quirks.
*/
uint8_t gen6_gather_wa[MAX_SAMPLERS];
};
#ifdef __cplusplus
extern "C" {
#endif
void brw_populate_sampler_prog_key_data(struct gl_context *ctx,
const struct gl_program *prog,
unsigned sampler_count,
struct brw_sampler_prog_key_data *key);
bool brw_debug_recompile_sampler_key(struct brw_context *brw,
const struct brw_sampler_prog_key_data *old_key,
const struct brw_sampler_prog_key_data *key);
void brw_add_texrect_params(struct gl_program *prog);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif
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