| /* |
| * Copyright © 2022 Collabora, LTD |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| */ |
| |
| #ifndef VK_LIMITS_H |
| #define VK_LIMITS_H |
| |
| /* Maximun number of shader stages in a single graphics pipeline */ |
| #define MESA_VK_MAX_GRAPHICS_PIPELINE_STAGES 5 |
| |
| #define MESA_VK_MAX_DESCRIPTOR_SETS 32 |
| |
| /* From the Vulkan 1.3.274 spec: |
| * |
| * VUID-VkPipelineLayoutCreateInfo-pPushConstantRanges-00292 |
| * |
| * "Any two elements of pPushConstantRanges must not include the same |
| * stage in stageFlags" |
| * |
| * and |
| * |
| * VUID-VkPushConstantRange-stageFlags-requiredbitmask |
| * |
| * "stageFlags must not be 0" |
| * |
| * This means that the number of push constant ranges is effectively bounded |
| * by the number of possible shader stages. Not the number of stages that can |
| * be compiled together (a pipeline layout can be used in multiple pipelnes |
| * wth different sets of shaders) but the total number of stage bits supported |
| * by the implementation. Currently, those are |
| * |
| * - VK_SHADER_STAGE_VERTEX_BIT |
| * - VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT |
| * - VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT |
| * - VK_SHADER_STAGE_GEOMETRY_BIT |
| * - VK_SHADER_STAGE_FRAGMENT_BIT |
| * - VK_SHADER_STAGE_COMPUTE_BIT |
| * - VK_SHADER_STAGE_RAYGEN_BIT_KHR |
| * - VK_SHADER_STAGE_ANY_HIT_BIT_KHR |
| * - VK_SHADER_STAGE_CLOSEST_HIT_BIT_KHR |
| * - VK_SHADER_STAGE_MISS_BIT_KHR |
| * - VK_SHADER_STAGE_INTERSECTION_BIT_KHR |
| * - VK_SHADER_STAGE_CALLABLE_BIT_KHR |
| * - VK_SHADER_STAGE_TASK_BIT_EXT |
| * - VK_SHADER_STAGE_MESH_BIT_EXT |
| */ |
| #define MESA_VK_MAX_PUSH_CONSTANT_RANGES 14 |
| |
| #define MESA_VK_MAX_VERTEX_BINDINGS 32 |
| #define MESA_VK_MAX_VERTEX_ATTRIBUTES 32 |
| |
| /* As of June 29, 2022, according to vulkan.gpuinfo.org, 99% of all reports |
| * listed a max vertex stride that fits in 16 bits. |
| */ |
| #define MESA_VK_MAX_VERTEX_BINDING_STRIDE UINT16_MAX |
| |
| #define MESA_VK_MAX_VIEWPORTS 16 |
| #define MESA_VK_MAX_SCISSORS 16 |
| #define MESA_VK_MAX_DISCARD_RECTANGLES 4 |
| |
| /* As of June 29, 2022, according to vulkan.gpuinfo.org, no reports list more |
| * than 16 samples for framebufferColorSampleCounts except one layer running |
| * on top of WARP on Windows. |
| */ |
| #define MESA_VK_MAX_SAMPLES 16 |
| |
| /* As of June 29, 2022, according to vulkan.gpuinfo.org, the only GPUs |
| * claiming support for maxSampleLocationGridSize greater than 1x1 is AMD |
| * which supports 2x2 but only up to 8 samples. |
| */ |
| #define MESA_VK_MAX_SAMPLE_LOCATIONS 32 |
| |
| #define MESA_VK_MAX_COLOR_ATTACHMENTS 8 |
| |
| /* Since VkSubpassDescription2::viewMask is a 32-bit integer, there are a |
| * maximum of 32 possible views. |
| */ |
| #define MESA_VK_MAX_MULTIVIEW_VIEW_COUNT 32 |
| |
| #endif /* VK_LIMITS_H */ |
