| /* |
| * Copyright (C) 2019 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #import "config.h" |
| #import "GPUSampler.h" |
| |
| #if ENABLE(WEBGPU) |
| |
| #import "GPUDevice.h" |
| #import "GPUSamplerDescriptor.h" |
| #import "GPUUtils.h" |
| #import "Logging.h" |
| #import <Metal/Metal.h> |
| #import <wtf/BlockObjCExceptions.h> |
| |
| namespace WebCore { |
| |
| static MTLSamplerAddressMode mtlAddressModeForAddressMode(GPUAddressMode mode) |
| { |
| switch (mode) { |
| case GPUAddressMode::ClampToEdge: |
| return MTLSamplerAddressModeClampToEdge; |
| case GPUAddressMode::Repeat: |
| return MTLSamplerAddressModeRepeat; |
| case GPUAddressMode::MirrorRepeat: |
| return MTLSamplerAddressModeMirrorRepeat; |
| } |
| |
| ASSERT_NOT_REACHED(); |
| } |
| |
| static MTLSamplerMinMagFilter mtlMinMagFilterForFilterMode(GPUFilterMode mode) |
| { |
| switch (mode) { |
| case GPUFilterMode::Nearest: |
| return MTLSamplerMinMagFilterNearest; |
| case GPUFilterMode::Linear: |
| return MTLSamplerMinMagFilterLinear; |
| } |
| |
| ASSERT_NOT_REACHED(); |
| } |
| |
| static MTLSamplerMipFilter mtlMipFilterForFilterMode(GPUFilterMode mode) |
| { |
| switch (mode) { |
| case GPUFilterMode::Nearest: |
| return MTLSamplerMipFilterNearest; |
| case GPUFilterMode::Linear: |
| return MTLSamplerMipFilterLinear; |
| } |
| |
| ASSERT_NOT_REACHED(); |
| } |
| |
| static RetainPtr<MTLSamplerState> tryCreateMtlSamplerState(const GPUDevice& device, const GPUSamplerDescriptor& descriptor) |
| { |
| if (!device.platformDevice()) { |
| LOG(WebGPU, "GPUSampler::tryCreate(): Invalid GPUDevice!"); |
| return nullptr; |
| } |
| |
| RetainPtr<MTLSamplerDescriptor> mtlDescriptor; |
| |
| BEGIN_BLOCK_OBJC_EXCEPTIONS; |
| mtlDescriptor = adoptNS([MTLSamplerDescriptor new]); |
| END_BLOCK_OBJC_EXCEPTIONS; |
| |
| if (!mtlDescriptor) { |
| LOG(WebGPU, "GPUSampler::tryCreate(): Error creating MTLSamplerDescriptor!"); |
| return nullptr; |
| } |
| |
| RetainPtr<MTLSamplerState> sampler; |
| |
| BEGIN_BLOCK_OBJC_EXCEPTIONS; |
| [mtlDescriptor setRAddressMode:mtlAddressModeForAddressMode(descriptor.addressModeU)]; |
| [mtlDescriptor setSAddressMode:mtlAddressModeForAddressMode(descriptor.addressModeV)]; |
| [mtlDescriptor setTAddressMode:mtlAddressModeForAddressMode(descriptor.addressModeW)]; |
| [mtlDescriptor setMinFilter:mtlMinMagFilterForFilterMode(descriptor.minFilter)]; |
| [mtlDescriptor setMagFilter:mtlMinMagFilterForFilterMode(descriptor.magFilter)]; |
| [mtlDescriptor setMipFilter:mtlMipFilterForFilterMode(descriptor.mipmapFilter)]; |
| [mtlDescriptor setLodMinClamp:descriptor.lodMinClamp]; |
| [mtlDescriptor setLodMaxClamp:descriptor.lodMaxClamp]; |
| [mtlDescriptor setMaxAnisotropy:descriptor.maxAnisotropy]; |
| [mtlDescriptor setCompareFunction:static_cast<MTLCompareFunction>(platformCompareFunctionForGPUCompareFunction(descriptor.compareFunction))]; |
| |
| [mtlDescriptor setSupportArgumentBuffers:YES]; |
| |
| sampler = adoptNS([device.platformDevice() newSamplerStateWithDescriptor:mtlDescriptor.get()]); |
| END_BLOCK_OBJC_EXCEPTIONS; |
| |
| if (!sampler) |
| LOG(WebGPU, "GPUSampler::tryCreate(): Error creating MTLSamplerState!"); |
| |
| return sampler; |
| } |
| |
| RefPtr<GPUSampler> GPUSampler::tryCreate(const GPUDevice& device, const GPUSamplerDescriptor& descriptor) |
| { |
| auto sampler = tryCreateMtlSamplerState(device, descriptor); |
| if (!sampler) |
| return nullptr; |
| |
| return adoptRef(new GPUSampler(WTFMove(sampler))); |
| } |
| |
| GPUSampler::GPUSampler(RetainPtr<MTLSamplerState>&& sampler) |
| : m_platformSampler(WTFMove(sampler)) |
| { |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(WEBGPU) |