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1 /*
2  * Copyright 2022 Red Hat.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * on the rights to use, copy, modify, merge, publish, distribute, sub
8  * license, and/or sell copies of the Software, and to permit persons to whom
9  * the Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
22  */
23 
24 #ifndef LP_BLD_JIT_TYPES_H
25 #define LP_BLD_JIT_TYPES_H
26 
27 #include "gallivm/lp_bld_limits.h"
28 #include "gallivm/lp_bld_sample.h"
29 #include "gallivm/lp_bld_struct.h"
30 
31 struct lp_sampler_dynamic_state;
32 
33 struct lp_jit_buffer
34 {
35    union {
36       const uint32_t *u;
37       const float *f;
38    };
39    uint32_t num_elements;
40 };
41 
42 enum {
43    LP_JIT_BUFFER_BASE = 0,
44    LP_JIT_BUFFER_NUM_ELEMENTS,
45    LP_JIT_BUFFER_NUM_FIELDS,
46 };
47 
48 LLVMValueRef
49 lp_llvm_descriptor_base(struct gallivm_state *gallivm,
50                         LLVMValueRef buffers_ptr,
51                         LLVMValueRef index, unsigned buffers_limit);
52 
53 LLVMValueRef
54 lp_llvm_buffer_base(struct gallivm_state *gallivm,
55                     LLVMValueRef buffers_ptr,
56                     LLVMValueRef buffers_offset, unsigned buffers_limit);
57 
58 LLVMValueRef
59 lp_llvm_buffer_num_elements(struct gallivm_state *gallivm,
60                             LLVMValueRef buffers_ptr,
61                             LLVMValueRef buffers_offset, unsigned buffers_limit);
62 
63 #define LP_JIT_TEXTURE_SAMPLE_STRIDE 15 /* mip_offsets[15] */
64 
65 struct lp_jit_texture
66 {
67    const void *base;
68    uint32_t width;        /* same as number of elements */
69    uint16_t height;
70    uint16_t depth;        /* doubles as array size */
71    uint8_t first_level;
72    uint8_t last_level;    /* contains num_samples for multisample */
73    uint32_t row_stride[PIPE_MAX_TEXTURE_LEVELS];
74    uint32_t img_stride[PIPE_MAX_TEXTURE_LEVELS];
75    uint32_t mip_offsets[PIPE_MAX_TEXTURE_LEVELS]; /* sample stride is in mip_offsets[15] */
76    uint32_t sampler_index;
77 };
78 
79 enum {
80    LP_JIT_TEXTURE_BASE = 0,
81    LP_JIT_TEXTURE_WIDTH,
82    LP_JIT_TEXTURE_HEIGHT,
83    LP_JIT_TEXTURE_DEPTH,
84    LP_JIT_TEXTURE_FIRST_LEVEL,
85    LP_JIT_TEXTURE_LAST_LEVEL,
86    LP_JIT_TEXTURE_ROW_STRIDE,
87    LP_JIT_TEXTURE_IMG_STRIDE,
88    LP_JIT_TEXTURE_MIP_OFFSETS,
89    LP_JIT_SAMPLER_INDEX_DUMMY,
90    LP_JIT_TEXTURE_NUM_FIELDS  /* number of fields above */
91 };
92 
93 struct lp_jit_sampler
94 {
95    float min_lod;
96    float max_lod;
97    float lod_bias;
98    float border_color[4];
99    float max_aniso;
100 };
101 
102 enum {
103    LP_JIT_SAMPLER_MIN_LOD,
104    LP_JIT_SAMPLER_MAX_LOD,
105    LP_JIT_SAMPLER_LOD_BIAS,
106    LP_JIT_SAMPLER_BORDER_COLOR,
107    LP_JIT_SAMPLER_MAX_ANISO,
108    LP_JIT_SAMPLER_NUM_FIELDS  /* number of fields above */
109 };
110 
111 struct lp_jit_image
112 {
113    const void *base;
114    uint32_t width;        /* same as number of elements */
115    uint16_t height;
116    uint16_t depth;
117    uint8_t num_samples;
118    uint32_t sample_stride;
119    uint32_t row_stride;
120    uint32_t img_stride;
121 };
122 
123 enum {
124    LP_JIT_IMAGE_BASE = 0,
125    LP_JIT_IMAGE_WIDTH,
126    LP_JIT_IMAGE_HEIGHT,
127    LP_JIT_IMAGE_DEPTH,
128    LP_JIT_IMAGE_NUM_SAMPLES,
129    LP_JIT_IMAGE_SAMPLE_STRIDE,
130    LP_JIT_IMAGE_ROW_STRIDE,
131    LP_JIT_IMAGE_IMG_STRIDE,
132    LP_JIT_IMAGE_NUM_FIELDS  /* number of fields above */
133 };
134 
135 struct lp_jit_resources {
136    struct lp_jit_buffer constants[LP_MAX_TGSI_CONST_BUFFERS];
137    struct lp_jit_buffer ssbos[LP_MAX_TGSI_SHADER_BUFFERS];
138    struct lp_jit_texture textures[PIPE_MAX_SHADER_SAMPLER_VIEWS];
139    struct lp_jit_sampler samplers[PIPE_MAX_SAMPLERS];
140    struct lp_jit_image images[PIPE_MAX_SHADER_IMAGES];
141    const float *aniso_filter_table;
142 };
143 
144 enum {
145    LP_JIT_RES_CONSTANTS = 0,
146    LP_JIT_RES_SSBOS,
147    LP_JIT_RES_TEXTURES,
148    LP_JIT_RES_SAMPLERS,
149    LP_JIT_RES_IMAGES,
150    LP_JIT_RES_ANISO_FILTER_TABLE,
151    LP_JIT_RES_COUNT,
152 };
153 
154 #define lp_jit_resources_constants(_gallivm, _type, _ptr)                \
155    lp_build_struct_get_ptr2(_gallivm, _type, _ptr, LP_JIT_RES_CONSTANTS, "constants")
156 
157 #define lp_jit_resources_ssbos(_gallivm, _type, _ptr)                    \
158    lp_build_struct_get_ptr2(_gallivm, _type, _ptr, LP_JIT_RES_SSBOS, "ssbos")
159 
160 #define lp_jit_resources_textures(_gallivm, _type, _ptr)                 \
161    lp_build_struct_get_ptr2(_gallivm, _type, _ptr, LP_JIT_RES_TEXTURES, "textures")
162 
163 #define lp_jit_resources_samplers(_gallivm, _type, _ptr)                 \
164    lp_build_struct_get_ptr2(_gallivm, _type, _ptr, LP_JIT_RES_SAMPLERS, "samplers")
165 
166 #define lp_jit_resources_images(_gallivm, _type, _ptr)                   \
167    lp_build_struct_get_ptr2(_gallivm, _type, _ptr, LP_JIT_RES_IMAGES, "images")
168 
169 #define lp_jit_resources_aniso_filter_table(_gallivm, _type, _ptr)       \
170    lp_build_struct_get2(_gallivm, _type, _ptr, LP_JIT_RES_ANISO_FILTER_TABLE, "aniso_filter_table")
171 
172 LLVMTypeRef
173 lp_build_jit_resources_type(struct gallivm_state *gallivm);
174 
175 enum {
176    LP_JIT_VERTEX_HEADER_VERTEX_ID = 0,
177    LP_JIT_VERTEX_HEADER_CLIP_POS,
178    LP_JIT_VERTEX_HEADER_DATA
179 };
180 
181 #define lp_jit_vertex_header_id(_gallivm, _type, _ptr)              \
182    lp_build_struct_get_ptr2(_gallivm, _type, _ptr, LP_JIT_VERTEX_HEADER_VERTEX_ID, "id")
183 
184 #define lp_jit_vertex_header_clip_pos(_gallivm, _type, _ptr) \
185    lp_build_struct_get_ptr2(_gallivm, _type, _ptr, LP_JIT_VERTEX_HEADER_CLIP_POS, "clip_pos")
186 
187 #define lp_jit_vertex_header_data(_gallivm, _type, _ptr)            \
188    lp_build_struct_get_ptr2(_gallivm, _type, _ptr, LP_JIT_VERTEX_HEADER_DATA, "data")
189 
190 LLVMTypeRef
191 lp_build_create_jit_vertex_header_type(struct gallivm_state *gallivm, int data_elems);
192 
193 void
194 lp_build_jit_fill_sampler_dynamic_state(struct lp_sampler_dynamic_state *state);
195 void
196 lp_build_jit_fill_image_dynamic_state(struct lp_sampler_dynamic_state *state);
197 
198 LLVMTypeRef lp_build_sample_function_type(struct gallivm_state *gallivm, uint32_t sample_key);
199 
200 LLVMTypeRef lp_build_size_function_type(struct gallivm_state *gallivm,
201                                         const struct lp_sampler_size_query_params *params);
202 
203 LLVMTypeRef lp_build_image_function_type(struct gallivm_state *gallivm,
204                                          const struct lp_img_params *params, bool ms);
205 
206 struct lp_texture_functions {
207    void ***sample_functions;
208    uint32_t sampler_count;
209 
210    void **fetch_functions;
211 
212    void *size_function;
213    void *samples_function;
214 
215    void **image_functions;
216 
217    struct lp_static_texture_state state;
218 
219    bool sampled;
220    bool storage;
221 
222    void *matrix;
223 };
224 
225 struct lp_texture_handle {
226    void *functions;
227    uint32_t sampler_index;
228 };
229 
230 struct lp_descriptor {
231    union {
232       struct {
233          struct lp_jit_texture texture;
234          struct lp_jit_sampler sampler;
235       };
236       struct {
237          struct lp_jit_image image;
238       };
239       struct lp_jit_buffer buffer;
240    };
241 
242    /* Store sample/image functions in the same location since some d3d12 games
243     * rely on mismatched descriptor types with null descriptors.
244     */
245    void *functions;
246 };
247 
248 #define LP_MAX_TEX_FUNC_ARGS 32
249 
250 #endif
251 
252