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 PIPE_ALIGN_VAR(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 { 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 86 /* 87 * AoS 88 */ 89 90 LLVMValueRef 91 lp_build_format_swizzle_aos(const struct util_format_description *desc, 92 struct lp_build_context *bld, 93 LLVMValueRef unswizzled); 94 95 LLVMValueRef 96 lp_build_pack_rgba_aos(struct gallivm_state *gallivm, 97 const struct util_format_description *desc, 98 LLVMValueRef rgba); 99 100 LLVMValueRef 101 lp_build_fetch_rgba_aos(struct gallivm_state *gallivm, 102 const struct util_format_description *format_desc, 103 struct lp_type type, 104 boolean aligned, 105 LLVMValueRef base_ptr, 106 LLVMValueRef offset, 107 LLVMValueRef i, 108 LLVMValueRef j, 109 LLVMValueRef cache); 110 111 LLVMValueRef 112 lp_build_fetch_rgba_aos_array(struct gallivm_state *gallivm, 113 const struct util_format_description *format_desc, 114 struct lp_type type, 115 LLVMValueRef base_ptr, 116 LLVMValueRef offset); 117 118 119 /* 120 * SoA 121 */ 122 123 void 124 lp_build_format_swizzle_soa(const struct util_format_description *format_desc, 125 struct lp_build_context *bld, 126 const LLVMValueRef unswizzled[4], 127 LLVMValueRef swizzled_out[4]); 128 129 void 130 lp_build_unpack_rgba_soa(struct gallivm_state *gallivm, 131 const struct util_format_description *format_desc, 132 struct lp_type type, 133 LLVMValueRef packed, 134 LLVMValueRef rgba_out[4]); 135 136 void 137 lp_build_rgba8_to_fi32_soa(struct gallivm_state *gallivm, 138 struct lp_type dst_type, 139 LLVMValueRef packed, 140 LLVMValueRef *rgba); 141 142 void 143 lp_build_fetch_rgba_soa(struct gallivm_state *gallivm, 144 const struct util_format_description *format_desc, 145 struct lp_type type, 146 boolean aligned, 147 LLVMValueRef base_ptr, 148 LLVMValueRef offsets, 149 LLVMValueRef i, 150 LLVMValueRef j, 151 LLVMValueRef cache, 152 LLVMValueRef rgba_out[4]); 153 154 /* 155 * YUV 156 */ 157 158 LLVMValueRef 159 lp_build_fetch_subsampled_rgba_aos(struct gallivm_state *gallivm, 160 const struct util_format_description *format_desc, 161 unsigned n, 162 LLVMValueRef base_ptr, 163 LLVMValueRef offset, 164 LLVMValueRef i, 165 LLVMValueRef j); 166 167 168 LLVMValueRef 169 lp_build_fetch_cached_texels(struct gallivm_state *gallivm, 170 const struct util_format_description *format_desc, 171 unsigned n, 172 LLVMValueRef base_ptr, 173 LLVMValueRef offset, 174 LLVMValueRef i, 175 LLVMValueRef j, 176 LLVMValueRef cache); 177 178 179 /* 180 * special float formats 181 */ 182 183 LLVMValueRef 184 lp_build_float_to_smallfloat(struct gallivm_state *gallivm, 185 struct lp_type i32_type, 186 LLVMValueRef src, 187 unsigned mantissa_bits, 188 unsigned exponent_bits, 189 unsigned mantissa_start, 190 boolean has_sign); 191 192 LLVMValueRef 193 lp_build_smallfloat_to_float(struct gallivm_state *gallivm, 194 struct lp_type f32_type, 195 LLVMValueRef src, 196 unsigned mantissa_bits, 197 unsigned exponent_bits, 198 unsigned mantissa_start, 199 boolean has_sign); 200 201 LLVMValueRef 202 lp_build_float_to_r11g11b10(struct gallivm_state *gallivm, 203 LLVMValueRef *src); 204 205 void 206 lp_build_r11g11b10_to_float(struct gallivm_state *gallivm, 207 LLVMValueRef src, 208 LLVMValueRef *dst); 209 210 void 211 lp_build_rgb9e5_to_float(struct gallivm_state *gallivm, 212 LLVMValueRef src, 213 LLVMValueRef *dst); 214 215 LLVMValueRef 216 lp_build_float_to_srgb_packed(struct gallivm_state *gallivm, 217 const struct util_format_description *dst_fmt, 218 struct lp_type src_type, 219 LLVMValueRef *src); 220 221 LLVMValueRef 222 lp_build_srgb_to_linear(struct gallivm_state *gallivm, 223 struct lp_type src_type, 224 unsigned chan_bits, 225 LLVMValueRef src); 226 227 228 #endif /* !LP_BLD_FORMAT_H */ 229