1 /************************************************************************** 2 * 3 * Copyright 2009 VMware, Inc. 4 * All Rights Reserved. 5 * 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: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 #ifndef LP_BLD_FORMAT_H 29 #define LP_BLD_FORMAT_H 30 31 32 /** 33 * @file 34 * Pixel format helpers. 35 */ 36 37 #include "gallivm/lp_bld.h" 38 #include "gallivm/lp_bld_init.h" 39 40 #include "pipe/p_format.h" 41 42 struct util_format_description; 43 struct lp_type; 44 struct lp_build_context; 45 46 47 #define LP_BUILD_FORMAT_CACHE_DEBUG 0 48 /* 49 * Block cache 50 * 51 * Optional block cache to be used when unpacking big pixel blocks. 52 * Must be a power of 2 53 */ 54 55 #define LP_BUILD_FORMAT_CACHE_SIZE 128 56 57 /* 58 * Note: cache_data needs 16 byte alignment. 59 */ 60 struct lp_build_format_cache 61 { 62 alignas(16) uint32_t cache_data[LP_BUILD_FORMAT_CACHE_SIZE][4][4]; 63 uint64_t cache_tags[LP_BUILD_FORMAT_CACHE_SIZE]; 64 #if LP_BUILD_FORMAT_CACHE_DEBUG 65 uint64_t cache_access_total; 66 uint64_t cache_access_miss; 67 #endif 68 }; 69 70 71 enum cache_member { 72 LP_BUILD_FORMAT_CACHE_MEMBER_DATA = 0, 73 LP_BUILD_FORMAT_CACHE_MEMBER_TAGS, 74 #if LP_BUILD_FORMAT_CACHE_DEBUG 75 LP_BUILD_FORMAT_CACHE_MEMBER_ACCESS_TOTAL, 76 LP_BUILD_FORMAT_CACHE_MEMBER_ACCESS_MISS, 77 #endif 78 LP_BUILD_FORMAT_CACHE_MEMBER_COUNT 79 }; 80 81 82 LLVMTypeRef 83 lp_build_format_cache_type(struct gallivm_state *gallivm); 84 85 LLVMTypeRef 86 lp_build_format_cache_member_type(struct gallivm_state *gallivm, enum cache_member member); 87 88 LLVMTypeRef 89 lp_build_format_cache_elem_type(struct gallivm_state *gallivm, enum cache_member member); 90 91 /* 92 * AoS 93 */ 94 95 LLVMValueRef 96 lp_build_format_swizzle_aos(const struct util_format_description *desc, 97 struct lp_build_context *bld, 98 LLVMValueRef unswizzled); 99 100 LLVMValueRef 101 lp_build_pack_rgba_aos(struct gallivm_state *gallivm, 102 const struct util_format_description *desc, 103 LLVMValueRef rgba); 104 105 LLVMValueRef 106 lp_build_fetch_rgba_aos(struct gallivm_state *gallivm, 107 const struct util_format_description *format_desc, 108 struct lp_type type, 109 boolean aligned, 110 LLVMValueRef base_ptr, 111 LLVMValueRef offset, 112 LLVMValueRef i, 113 LLVMValueRef j, 114 LLVMValueRef cache); 115 116 LLVMValueRef 117 lp_build_fetch_rgba_aos_array(struct gallivm_state *gallivm, 118 const struct util_format_description *format_desc, 119 struct lp_type type, 120 LLVMValueRef base_ptr, 121 LLVMValueRef offset); 122 123 124 /* 125 * SoA 126 */ 127 128 void 129 lp_build_format_swizzle_soa(const struct util_format_description *format_desc, 130 struct lp_build_context *bld, 131 const LLVMValueRef unswizzled[4], 132 LLVMValueRef swizzled_out[4]); 133 134 void 135 lp_build_unpack_rgba_soa(struct gallivm_state *gallivm, 136 const struct util_format_description *format_desc, 137 struct lp_type type, 138 LLVMValueRef packed, 139 LLVMValueRef rgba_out[4]); 140 141 void 142 lp_build_rgba8_to_fi32_soa(struct gallivm_state *gallivm, 143 struct lp_type dst_type, 144 LLVMValueRef packed, 145 LLVMValueRef *rgba); 146 147 void 148 lp_build_fetch_rgba_soa(struct gallivm_state *gallivm, 149 const struct util_format_description *format_desc, 150 struct lp_type type, 151 boolean aligned, 152 LLVMValueRef base_ptr, 153 LLVMValueRef offsets, 154 LLVMValueRef i, 155 LLVMValueRef j, 156 LLVMValueRef cache, 157 LLVMValueRef rgba_out[4]); 158 159 void 160 lp_build_store_rgba_soa(struct gallivm_state *gallivm, 161 const struct util_format_description *format_desc, 162 struct lp_type type, 163 LLVMValueRef exec_mask, 164 LLVMValueRef base_ptr, 165 LLVMValueRef offset, 166 LLVMValueRef out_of_bounds, 167 const LLVMValueRef rgba_in[4]); 168 169 /* 170 * YUV 171 */ 172 173 LLVMValueRef 174 lp_build_fetch_subsampled_rgba_aos(struct gallivm_state *gallivm, 175 const struct util_format_description *format_desc, 176 unsigned n, 177 LLVMValueRef base_ptr, 178 LLVMValueRef offset, 179 LLVMValueRef i, 180 LLVMValueRef j); 181 182 183 /* 184 * S3TC 185 */ 186 187 LLVMValueRef 188 lp_build_fetch_s3tc_rgba_aos(struct gallivm_state *gallivm, 189 const struct util_format_description *format_desc, 190 unsigned n, 191 LLVMValueRef base_ptr, 192 LLVMValueRef offset, 193 LLVMValueRef i, 194 LLVMValueRef j, 195 LLVMValueRef cache); 196 197 /* 198 * RGTC 199 */ 200 201 LLVMValueRef 202 lp_build_fetch_rgtc_rgba_aos(struct gallivm_state *gallivm, 203 const struct util_format_description *format_desc, 204 unsigned n, 205 LLVMValueRef base_ptr, 206 LLVMValueRef offset, 207 LLVMValueRef i, 208 LLVMValueRef j, 209 LLVMValueRef cache); 210 211 /* 212 * special float formats 213 */ 214 215 LLVMValueRef 216 lp_build_float_to_smallfloat(struct gallivm_state *gallivm, 217 struct lp_type i32_type, 218 LLVMValueRef src, 219 unsigned mantissa_bits, 220 unsigned exponent_bits, 221 unsigned mantissa_start, 222 boolean has_sign); 223 224 LLVMValueRef 225 lp_build_smallfloat_to_float(struct gallivm_state *gallivm, 226 struct lp_type f32_type, 227 LLVMValueRef src, 228 unsigned mantissa_bits, 229 unsigned exponent_bits, 230 unsigned mantissa_start, 231 boolean has_sign); 232 233 LLVMValueRef 234 lp_build_float_to_r11g11b10(struct gallivm_state *gallivm, 235 const LLVMValueRef *src); 236 237 void 238 lp_build_r11g11b10_to_float(struct gallivm_state *gallivm, 239 LLVMValueRef src, 240 LLVMValueRef *dst); 241 242 void 243 lp_build_rgb9e5_to_float(struct gallivm_state *gallivm, 244 LLVMValueRef src, 245 LLVMValueRef *dst); 246 247 LLVMValueRef 248 lp_build_float_to_srgb_packed(struct gallivm_state *gallivm, 249 const struct util_format_description *dst_fmt, 250 struct lp_type src_type, 251 LLVMValueRef *src); 252 253 LLVMValueRef 254 lp_build_srgb_to_linear(struct gallivm_state *gallivm, 255 struct lp_type src_type, 256 unsigned chan_bits, 257 LLVMValueRef src); 258 259 260 #endif /* !LP_BLD_FORMAT_H */ 261