99 lines
3.2 KiB
C
99 lines
3.2 KiB
C
/**************************************************************************
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*
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* Copyright 2010 VMware, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/**
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* Implementation limits for LLVMpipe driver.
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*/
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#ifndef LP_LIMITS_H
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#define LP_LIMITS_H
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/**
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* Tile size (width and height). This needs to be a power of two.
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*/
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#define TILE_ORDER 6
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#define TILE_SIZE (1 << TILE_ORDER)
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/**
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* Max texture sizes
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*/
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/**
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* 2GB is the actual max currently (we always use 32bit offsets, and both
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* llvm GEP as well as avx2 gather use signed offsets).
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*/
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#define LP_MAX_TEXTURE_SIZE (2 * 1024 * 1024 * 1024ULL)
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#define LP_MAX_TEXTURE_2D_LEVELS 15 /* 16K x 16K for now */
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#define LP_MAX_TEXTURE_3D_LEVELS 12 /* 2K x 2K x 2K for now */
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#define LP_MAX_TEXTURE_CUBE_LEVELS 15 /* 16K x 16K for now */
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#define LP_MAX_TEXTURE_ARRAY_LAYERS 2048 /* 16K x 2048 / 16K x 16K x 2048 */
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/** This must be the larger of LP_MAX_TEXTURE_2D/3D_LEVELS */
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#define LP_MAX_TEXTURE_LEVELS LP_MAX_TEXTURE_2D_LEVELS
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/**
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* Max drawing surface size is the max texture size
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*/
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#define LP_MAX_HEIGHT (1 << (LP_MAX_TEXTURE_LEVELS - 1))
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#define LP_MAX_WIDTH (1 << (LP_MAX_TEXTURE_LEVELS - 1))
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#define LP_MAX_SAMPLES 4
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#define LP_MAX_THREADS 16
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/**
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* Max number of shader variants (for all shaders combined,
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* per context) that will be kept around.
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*/
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#define LP_MAX_SHADER_VARIANTS 1024
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/**
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* Max number of instructions (for all fragment shaders combined per context)
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* that will be kept around (counted in terms of llvm ir).
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*/
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#define LP_MAX_SHADER_INSTRUCTIONS (2048 * LP_MAX_SHADER_VARIANTS)
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/**
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* Max number of setup variants that will be kept around.
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*
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* These are determined by the combination of the fragment shader
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* input signature and a small amount of rasterization state (eg
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* flatshading). It is likely that many active fragment shaders will
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* share the same setup variant.
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*/
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#define LP_MAX_SETUP_VARIANTS 64
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/*
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* Max point size reported. Cap vertex shader point sizes to this.
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*/
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#define LP_MAX_POINT_WIDTH 255.0f
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#endif /* LP_LIMITS_H */
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