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| 5564 | serge | 1 | /************************************************************************** |
| 2 | * |
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| 3 | * Copyright 2010 VMware, Inc. |
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| 4 | * All Rights Reserved. |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 7 | * copy of this software and associated documentation files (the |
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| 8 | * "Software"), to deal in the Software without restriction, including |
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| 9 | * without limitation the rights to use, copy, modify, merge, publish, |
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| 10 | * distribute, sub license, and/or sell copies of the Software, and to |
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| 11 | * permit persons to whom the Software is furnished to do so, subject to |
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| 12 | * the following conditions: |
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| 13 | * |
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| 14 | * The above copyright notice and this permission notice (including the |
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| 15 | * next paragraph) shall be included in all copies or substantial portions |
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| 16 | * of the Software. |
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| 17 | * |
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| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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| 19 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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| 21 | * IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR |
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| 22 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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| 23 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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| 24 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 25 | * |
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| 26 | **************************************************************************/ |
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| 27 | |||
| 28 | /** |
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| 29 | * Implementation limits for LLVMpipe driver. |
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| 30 | */ |
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| 31 | |||
| 32 | #ifndef LP_LIMITS_H |
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| 33 | #define LP_LIMITS_H |
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| 34 | |||
| 35 | |||
| 36 | /** |
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| 37 | * Tile size (width and height). This needs to be a power of two. |
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| 38 | */ |
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| 39 | #define TILE_ORDER 6 |
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| 40 | #define TILE_SIZE (1 << TILE_ORDER) |
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| 41 | |||
| 42 | |||
| 43 | /** |
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| 44 | * Max texture sizes |
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| 45 | */ |
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| 46 | #define LP_MAX_TEXTURE_SIZE (1 * 1024 * 1024 * 1024ULL) /* 1GB for now */ |
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| 47 | #define LP_MAX_TEXTURE_2D_LEVELS 14 /* 8K x 8K for now */ |
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| 48 | #define LP_MAX_TEXTURE_3D_LEVELS 12 /* 2K x 2K x 2K for now */ |
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| 49 | #define LP_MAX_TEXTURE_CUBE_LEVELS 14 /* 8K x 8K for now */ |
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| 50 | #define LP_MAX_TEXTURE_ARRAY_LAYERS 512 /* 8K x 512 / 8K x 8K x 512 */ |
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| 51 | |||
| 52 | |||
| 53 | /** This must be the larger of LP_MAX_TEXTURE_2D/3D_LEVELS */ |
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| 54 | #define LP_MAX_TEXTURE_LEVELS LP_MAX_TEXTURE_2D_LEVELS |
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| 55 | |||
| 56 | |||
| 57 | /** |
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| 58 | * Max drawing surface size is the max texture size |
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| 59 | */ |
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| 60 | #define LP_MAX_HEIGHT (1 << (LP_MAX_TEXTURE_LEVELS - 1)) |
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| 61 | #define LP_MAX_WIDTH (1 << (LP_MAX_TEXTURE_LEVELS - 1)) |
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| 62 | |||
| 63 | |||
| 64 | #define LP_MAX_THREADS 16 |
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| 65 | |||
| 66 | |||
| 67 | /** |
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| 68 | * Max bytes per scene. This may be replaced by a runtime parameter. |
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| 69 | */ |
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| 70 | #define LP_MAX_SCENE_SIZE (512 * 1024 * 1024) |
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| 71 | |||
| 72 | /** |
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| 73 | * Max number of shader variants (for all shaders combined, |
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| 74 | * per context) that will be kept around. |
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| 75 | */ |
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| 76 | #define LP_MAX_SHADER_VARIANTS 1024 |
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| 77 | |||
| 78 | /** |
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| 79 | * Max number of instructions (for all fragment shaders combined per context) |
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| 80 | * that will be kept around (counted in terms of llvm ir). |
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| 81 | * Note: the definition looks odd, but there's branches which use a different |
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| 82 | * number of max shader variants. |
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| 83 | */ |
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| 84 | #define LP_MAX_SHADER_INSTRUCTIONS MAX2(256*1024, 512*LP_MAX_SHADER_VARIANTS) |
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| 85 | |||
| 86 | /** |
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| 87 | * Max number of setup variants that will be kept around. |
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| 88 | * |
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| 89 | * These are determined by the combination of the fragment shader |
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| 90 | * input signature and a small amount of rasterization state (eg |
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| 91 | * flatshading). It is likely that many active fragment shaders will |
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| 92 | * share the same setup variant. |
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| 93 | */ |
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| 94 | #define LP_MAX_SETUP_VARIANTS 64 |
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| 95 | |||
| 96 | #endif /* LP_LIMITS_H */ |