/************************************************************************** * * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. * All Rights Reserved. * * 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 TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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 SP_TEX_SAMPLE_H #define SP_TEX_SAMPLE_H #include "tgsi/tgsi_exec.h" /** * Subclass of tgsi_sampler */ struct sp_shader_sampler { struct tgsi_sampler base; /**< base class */ /* For sp_get_samples_2d_linear_POT: */ unsigned xpot; unsigned ypot; unsigned level; const struct pipe_texture *texture; const struct pipe_sampler_state *sampler; struct softpipe_tile_cache *cache; }; static INLINE struct sp_shader_sampler * sp_shader_sampler(const struct tgsi_sampler *sampler) { return (struct sp_shader_sampler *) sampler; } extern void sp_get_samples_fragment(struct tgsi_sampler *tgsi_sampler, const float s[QUAD_SIZE], const float t[QUAD_SIZE], const float p[QUAD_SIZE], float lodbias, float rgba[NUM_CHANNELS][QUAD_SIZE]); extern void sp_get_samples_vertex(struct tgsi_sampler *tgsi_sampler, const float s[QUAD_SIZE], const float t[QUAD_SIZE], const float p[QUAD_SIZE], float lodbias, float rgba[NUM_CHANNELS][QUAD_SIZE]); #endif /* SP_TEX_SAMPLE_H */