1 /* 2 * Copyright © 2022 Collabora, LTD 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 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * 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 NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 */ 23 24 #ifndef VK_LIMITS_H 25 #define VK_LIMITS_H 26 27 #define MESA_VK_MAX_VERTEX_BINDINGS 32 28 #define MESA_VK_MAX_VERTEX_ATTRIBUTES 32 29 30 /* As of June 29, 2022, according to vulkan.gpuinfo.org, 99% of all reports 31 * listed a max vertex stride that fits in 16 bits. 32 */ 33 #define MESA_VK_MAX_VERTEX_BINDING_STRIDE UINT16_MAX 34 35 #define MESA_VK_MAX_VIEWPORTS 16 36 #define MESA_VK_MAX_SCISSORS 16 37 #define MESA_VK_MAX_DISCARD_RECTANGLES 4 38 39 /* As of June 29, 2022, according to vulkan.gpuinfo.org, no reports list more 40 * than 16 samples for framebufferColorSampleCounts except one layer running 41 * on top of WARP on Windows. 42 */ 43 #define MESA_VK_MAX_SAMPLES 16 44 45 /* As of June 29, 2022, according to vulkan.gpuinfo.org, the only GPUs 46 * claiming support for maxSampleLocationGridSize greater than 1x1 is AMD 47 * which supports 2x2 but only up to 8 samples. 48 */ 49 #define MESA_VK_MAX_SAMPLE_LOCATIONS 32 50 51 #define MESA_VK_MAX_COLOR_ATTACHMENTS 8 52 53 /* Since VkSubpassDescription2::viewMask is a 32-bit integer, there are a 54 * maximum of 32 possible views. 55 */ 56 #define MESA_VK_MAX_MULTIVIEW_VIEW_COUNT 32 57 58 #endif /* VK_LIMITS_H */ 59