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3ffd529ff1
Need to disable/bypass lambda calculation since derivatives of texcoords are meaningless for adjacent vertices.
73 lines
2.4 KiB
C
73 lines
2.4 KiB
C
/**************************************************************************
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*
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* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#ifndef SP_TEX_SAMPLE_H
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#define SP_TEX_SAMPLE_H
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#include "tgsi/tgsi_exec.h"
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/**
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* Subclass of tgsi_sampler
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*/
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struct sp_shader_sampler
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{
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struct tgsi_sampler base; /**< base class */
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uint unit;
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struct softpipe_context *sp;
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struct softpipe_tile_cache *cache;
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};
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static INLINE const struct sp_shader_sampler *
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sp_shader_sampler(const struct tgsi_sampler *sampler)
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{
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return (const struct sp_shader_sampler *) sampler;
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}
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extern void
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sp_get_samples_fragment(struct tgsi_sampler *tgsi_sampler,
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const float s[QUAD_SIZE],
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const float t[QUAD_SIZE],
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const float p[QUAD_SIZE],
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float lodbias,
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float rgba[NUM_CHANNELS][QUAD_SIZE]);
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extern void
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sp_get_samples_vertex(struct tgsi_sampler *tgsi_sampler,
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const float s[QUAD_SIZE],
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const float t[QUAD_SIZE],
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const float p[QUAD_SIZE],
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float lodbias,
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float rgba[NUM_CHANNELS][QUAD_SIZE]);
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#endif /* SP_TEX_SAMPLE_H */
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