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| /************************************************************************** |
| * |
| * Copyright 2007 VMware, Inc. |
| * All Rights Reserved. |
| * Copyright 2010 VMware, Inc. 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 VMWARE 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" |
| |
| |
| struct sp_sampler_view; |
| struct sp_sampler; |
| |
| typedef void (*wrap_nearest_func)(float s, |
| unsigned size, |
| int *icoord); |
| |
| typedef void (*wrap_linear_func)(float s, |
| unsigned size, |
| int *icoord0, |
| int *icoord1, |
| float *w); |
| |
| typedef float (*compute_lambda_func)(const struct sp_sampler_view *sp_sview, |
| const float s[TGSI_QUAD_SIZE], |
| const float t[TGSI_QUAD_SIZE], |
| const float p[TGSI_QUAD_SIZE]); |
| |
| typedef void (*img_filter_func)(struct sp_sampler_view *sp_sview, |
| struct sp_sampler *sp_samp, |
| float s, |
| float t, |
| float p, |
| unsigned level, |
| unsigned face_id, |
| float *rgba); |
| |
| typedef void (*mip_filter_func)(struct sp_sampler_view *sp_sview, |
| struct sp_sampler *sp_samp, |
| img_filter_func min_filter, |
| img_filter_func mag_filter, |
| const float s[TGSI_QUAD_SIZE], |
| const float t[TGSI_QUAD_SIZE], |
| const float p[TGSI_QUAD_SIZE], |
| const float c0[TGSI_QUAD_SIZE], |
| const float lod[TGSI_QUAD_SIZE], |
| enum tgsi_sampler_control control, |
| float rgba[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE]); |
| |
| |
| typedef void (*filter_func)(struct sp_sampler_view *sp_sview, |
| struct sp_sampler *sp_samp, |
| const float s[TGSI_QUAD_SIZE], |
| const float t[TGSI_QUAD_SIZE], |
| const float p[TGSI_QUAD_SIZE], |
| const float c0[TGSI_QUAD_SIZE], |
| const float lod[TGSI_QUAD_SIZE], |
| enum tgsi_sampler_control control, |
| float rgba[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE]); |
| |
| |
| typedef void (*fetch_func)(struct sp_sampler_view *sp_sview, |
| const int i[TGSI_QUAD_SIZE], |
| const int j[TGSI_QUAD_SIZE], const int k[TGSI_QUAD_SIZE], |
| const int lod[TGSI_QUAD_SIZE], const int8_t offset[3], |
| float rgba[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE]); |
| |
| |
| struct sp_sampler_view |
| { |
| struct pipe_sampler_view base; |
| |
| /* For sp_get_samples_2d_linear_POT: |
| */ |
| unsigned xpot; |
| unsigned ypot; |
| |
| boolean need_swizzle; |
| boolean pot2d; |
| |
| filter_func get_samples; |
| |
| /* this is just abusing the sampler_view object as local storage */ |
| unsigned faces[TGSI_QUAD_SIZE]; |
| |
| /* these are different per shader type */ |
| struct softpipe_tex_tile_cache *cache; |
| compute_lambda_func compute_lambda; |
| |
| }; |
| |
| |
| struct sp_sampler { |
| struct pipe_sampler_state base; |
| |
| boolean min_mag_equal_repeat_linear; |
| boolean min_mag_equal; |
| unsigned min_img_filter; |
| |
| wrap_nearest_func nearest_texcoord_s; |
| wrap_nearest_func nearest_texcoord_t; |
| wrap_nearest_func nearest_texcoord_p; |
| |
| wrap_linear_func linear_texcoord_s; |
| wrap_linear_func linear_texcoord_t; |
| wrap_linear_func linear_texcoord_p; |
| |
| mip_filter_func mip_filter; |
| }; |
| |
| |
| /** |
| * Subclass of tgsi_sampler |
| */ |
| struct sp_tgsi_sampler |
| { |
| struct tgsi_sampler base; /**< base class */ |
| struct sp_sampler *sp_sampler[PIPE_MAX_SAMPLERS]; |
| struct sp_sampler_view sp_sview[PIPE_MAX_SHADER_SAMPLER_VIEWS]; |
| |
| }; |
| |
| compute_lambda_func |
| softpipe_get_lambda_func(const struct pipe_sampler_view *view, unsigned shader); |
| |
| |
| void * |
| softpipe_create_sampler_state(struct pipe_context *pipe, |
| const struct pipe_sampler_state *sampler); |
| |
| |
| struct pipe_sampler_view * |
| softpipe_create_sampler_view(struct pipe_context *pipe, |
| struct pipe_resource *resource, |
| const struct pipe_sampler_view *templ); |
| |
| |
| struct sp_tgsi_sampler * |
| sp_create_tgsi_sampler(void); |
| |
| |
| #endif /* SP_TEX_SAMPLE_H */ |