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Diffstat (limited to 'drivers/metal/metal_device_properties.h')
| -rw-r--r-- | drivers/metal/metal_device_properties.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/drivers/metal/metal_device_properties.h b/drivers/metal/metal_device_properties.h new file mode 100644 index 0000000000..7467e8ceb4 --- /dev/null +++ b/drivers/metal/metal_device_properties.h @@ -0,0 +1,141 @@ +/**************************************************************************/ +/* metal_device_properties.h */ +/**************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/**************************************************************************/ +/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ +/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ +/* */ +/* 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 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. */ +/**************************************************************************/ + +/**************************************************************************/ +/* */ +/* Portions of this code were derived from MoltenVK. */ +/* */ +/* Copyright (c) 2015-2023 The Brenwill Workshop Ltd. */ +/* (http://www.brenwill.com) */ +/* */ +/* Licensed under the Apache License, Version 2.0 (the "License"); */ +/* you may not use this file except in compliance with the License. */ +/* You may obtain a copy of the License at */ +/* */ +/* http://www.apache.org/licenses/LICENSE-2.0 */ +/* */ +/* Unless required by applicable law or agreed to in writing, software */ +/* distributed under the License is distributed on an "AS IS" BASIS, */ +/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */ +/* implied. See the License for the specific language governing */ +/* permissions and limitations under the License. */ +/**************************************************************************/ + +#ifndef METAL_DEVICE_PROPERTIES_H +#define METAL_DEVICE_PROPERTIES_H + +#import "servers/rendering/rendering_device.h" + +#import <Foundation/Foundation.h> +#import <Metal/Metal.h> + +/** The buffer index to use for vertex content. */ +const static uint32_t VERT_CONTENT_BUFFER_INDEX = 0; +const static uint32_t MAX_COLOR_ATTACHMENT_COUNT = 8; + +typedef NS_OPTIONS(NSUInteger, SampleCount) { + SampleCount1 = (1UL << 0), + SampleCount2 = (1UL << 1), + SampleCount4 = (1UL << 2), + SampleCount8 = (1UL << 3), + SampleCount16 = (1UL << 4), + SampleCount32 = (1UL << 5), + SampleCount64 = (1UL << 6), +}; + +struct API_AVAILABLE(macos(11.0), ios(14.0)) MetalFeatures { + uint32_t mslVersion; + MTLGPUFamily highestFamily; + MTLLanguageVersion mslVersionEnum; + SampleCount supportedSampleCounts; + long hostMemoryPageSize; + bool layeredRendering; + bool multisampleLayeredRendering; + bool quadPermute; /**< If true, quadgroup permutation functions (vote, ballot, shuffle) are supported in shaders. */ + bool simdPermute; /**< If true, SIMD-group permutation functions (vote, ballot, shuffle) are supported in shaders. */ + bool simdReduction; /**< If true, SIMD-group reduction functions (arithmetic) are supported in shaders. */ + bool tessellationShader; /**< If true, tessellation shaders are supported. */ + bool imageCubeArray; /**< If true, image cube arrays are supported. */ +}; + +struct MetalLimits { + uint64_t maxImageArrayLayers; + uint64_t maxFramebufferHeight; + uint64_t maxFramebufferWidth; + uint64_t maxImageDimension1D; + uint64_t maxImageDimension2D; + uint64_t maxImageDimension3D; + uint64_t maxImageDimensionCube; + uint64_t maxViewportDimensionX; + uint64_t maxViewportDimensionY; + MTLSize maxThreadsPerThreadGroup; + MTLSize maxComputeWorkGroupCount; + uint64_t maxBoundDescriptorSets; + uint64_t maxColorAttachments; + uint64_t maxTexturesPerArgumentBuffer; + uint64_t maxSamplersPerArgumentBuffer; + uint64_t maxBuffersPerArgumentBuffer; + uint64_t maxBufferLength; + uint64_t minUniformBufferOffsetAlignment; + uint64_t maxVertexDescriptorLayoutStride; + uint16_t maxViewports; + uint32_t maxPerStageBufferCount; /**< The total number of per-stage Metal buffers available for shader uniform content and attributes. */ + uint32_t maxPerStageTextureCount; /**< The total number of per-stage Metal textures available for shader uniform content. */ + uint32_t maxPerStageSamplerCount; /**< The total number of per-stage Metal samplers available for shader uniform content. */ + uint32_t maxVertexInputAttributes; + uint32_t maxVertexInputBindings; + uint32_t maxVertexInputBindingStride; + uint32_t maxDrawIndexedIndexValue; + + uint32_t minSubgroupSize; /**< The minimum number of threads in a SIMD-group. */ + uint32_t maxSubgroupSize; /**< The maximum number of threads in a SIMD-group. */ + BitField<RDD::ShaderStage> subgroupSupportedShaderStages; + BitField<RD::SubgroupOperations> subgroupSupportedOperations; /**< The subgroup operations supported by the device. */ +}; + +class API_AVAILABLE(macos(11.0), ios(14.0)) MetalDeviceProperties { +private: + void init_features(id<MTLDevice> p_device); + void init_limits(id<MTLDevice> p_device); + +public: + MetalFeatures features; + MetalLimits limits; + + SampleCount find_nearest_supported_sample_count(RenderingDevice::TextureSamples p_samples) const; + + MetalDeviceProperties(id<MTLDevice> p_device); + ~MetalDeviceProperties(); + +private: + static const SampleCount sample_count[RenderingDevice::TextureSamples::TEXTURE_SAMPLES_MAX]; +}; + +#endif // METAL_DEVICE_PROPERTIES_H |