1 /**************************************************************************
3 * Copyright 2010 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
18 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
19 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
20 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 * The above copyright notice and this permission notice (including the
23 * next paragraph) shall be included in all copies or substantial portions
26 **************************************************************************/
29 #ifndef LP_STATE_FS_H_
30 #define LP_STATE_FS_H_
33 #include "pipe/p_compiler.h"
34 #include "pipe/p_state.h"
35 #include "tgsi/tgsi_scan.h" /* for tgsi_shader_info */
36 #include "gallivm/lp_bld_sample.h" /* for struct lp_sampler_static_state */
37 #include "gallivm/lp_bld_tgsi.h" /* for lp_tgsi_info */
38 #include "lp_bld_interp.h" /* for struct lp_shader_input */
42 struct lp_fragment_shader
;
45 /** Indexes into jit_function[] array */
47 #define RAST_EDGE_TEST 1
50 struct lp_sampler_static_state
53 * These attributes are effectively interleaved for more sane key handling.
54 * However, there might be lots of null space if the amount of samplers and
55 * textures isn't the same.
57 struct lp_static_sampler_state sampler_state
;
58 struct lp_static_texture_state texture_state
;
62 struct lp_image_static_state
64 struct lp_static_texture_state image_state
;
67 struct lp_fragment_shader_variant_key
69 struct pipe_depth_state depth
;
70 struct pipe_stencil_state stencil
[2];
71 struct pipe_blend_state blend
;
79 unsigned nr_samplers
:8; /* actually derivable from just the shader */
80 unsigned nr_sampler_views
:8; /* actually derivable from just the shader */
81 unsigned nr_images
:8; /* actually derivable from just the shader */
83 unsigned occlusion_count
:1;
84 unsigned resource_1d
:1;
85 unsigned depth_clamp
:1;
87 enum pipe_format zsbuf_format
;
88 enum pipe_format cbuf_format
[PIPE_MAX_COLOR_BUFS
];
90 struct lp_sampler_static_state samplers
[1];
91 /* followed by variable number of images */
94 #define LP_FS_MAX_VARIANT_KEY_SIZE \
95 (sizeof(struct lp_fragment_shader_variant_key) + \
96 PIPE_MAX_SHADER_SAMPLER_VIEWS * sizeof(struct lp_sampler_static_state) +\
97 PIPE_MAX_SHADER_IMAGES * sizeof(struct lp_image_static_state))
100 lp_fs_variant_key_size(unsigned nr_samplers
, unsigned nr_images
)
102 unsigned samplers
= nr_samplers
> 1 ? (nr_samplers
- 1) : 0;
103 return (sizeof(struct lp_fragment_shader_variant_key
) +
104 samplers
* sizeof(struct lp_sampler_static_state
) +
105 nr_images
* sizeof(struct lp_image_static_state
));
108 static inline struct lp_image_static_state
*
109 lp_fs_variant_key_images(struct lp_fragment_shader_variant_key
*key
)
111 return (struct lp_image_static_state
*)
112 &key
->samplers
[key
->nr_samplers
];
115 /** doubly-linked list item */
116 struct lp_fs_variant_list_item
118 struct lp_fragment_shader_variant
*base
;
119 struct lp_fs_variant_list_item
*next
, *prev
;
123 struct lp_fragment_shader_variant
128 struct gallivm_state
*gallivm
;
130 LLVMTypeRef jit_context_ptr_type
;
131 LLVMTypeRef jit_thread_data_ptr_type
;
132 LLVMTypeRef jit_linear_context_ptr_type
;
134 LLVMValueRef function
[2];
136 lp_jit_frag_func jit_function
[2];
138 /* Total number of LLVM instructions generated */
141 struct lp_fs_variant_list_item list_item_global
, list_item_local
;
142 struct lp_fragment_shader
*shader
;
144 /* For debugging/profiling purposes */
147 /* key is variable-sized, must be last */
148 struct lp_fragment_shader_variant_key key
;
152 /** Subclass of pipe_shader_state */
153 struct lp_fragment_shader
155 struct pipe_shader_state base
;
157 struct lp_tgsi_info info
;
159 struct lp_fs_variant_list_item variants
;
161 struct draw_fragment_shader
*draw_data
;
163 /* For debugging/profiling purposes */
164 unsigned variant_key_size
;
166 unsigned variants_created
;
167 unsigned variants_cached
;
169 /** Fragment shader input interpolation info */
170 struct lp_shader_input inputs
[PIPE_MAX_SHADER_INPUTS
];
175 lp_debug_fs_variant(struct lp_fragment_shader_variant
*variant
);
177 #endif /* LP_STATE_FS_H_ */