diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_tex_sample.h')
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_tex_sample.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_tex_sample.h b/src/gallium/drivers/llvmpipe/lp_tex_sample.h new file mode 100644 index 0000000000..3cf292dcbd --- /dev/null +++ b/src/gallium/drivers/llvmpipe/lp_tex_sample.h @@ -0,0 +1,73 @@ +/************************************************************************** + * + * 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 lp_shader_sampler +{ + struct tgsi_sampler base; /**< base class */ + + uint unit; + struct llvmpipe_context *lp; + struct llvmpipe_tile_cache *cache; +}; + + + +static INLINE const struct lp_shader_sampler * +lp_shader_sampler(const struct tgsi_sampler *sampler) +{ + return (const struct lp_shader_sampler *) sampler; +} + + +extern void +lp_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 +lp_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 */ |