59 if (@available(macOS 10.15, iOS 13, tvOS 13, *)) {
60 if ([
device supportsFamily:MTLGPUFamilyApple3] ||
61 [
device supportsFamily:MTLGPUFamilyMacCatalyst1] ||
62 [
device supportsFamily:MTLGPUFamilyMac1]) {
63 return {16384, 16384};
68 if ([
device supportsFeatureSet:MTLFeatureSet_iOS_GPUFamily4_v1] ||
69 [
device supportsFeatureSet:MTLFeatureSet_iOS_GPUFamily3_v1]) {
70 return {16384, 16384};
74 return {16384, 16384};
111 bool supports_memoryless_targets,
114 case StorageMode::kHostVisible:
116 return MTLResourceStorageModeShared;
119 return MTLResourceStorageModeShared;
121 return MTLResourceStorageModeManaged;
124 case StorageMode::kDevicePrivate:
125 return MTLResourceStorageModePrivate;
126 case StorageMode::kDeviceTransient:
127 if (supports_memoryless_targets) {
129 if (@available(macOS 11.0, *)) {
130 return MTLResourceStorageModeMemoryless;
132 return MTLResourceStorageModePrivate;
135 return MTLResourceStorageModePrivate;
143 bool supports_memoryless_targets,
146 case StorageMode::kHostVisible:
148 return MTLStorageModeShared;
151 return MTLStorageModeShared;
153 return MTLStorageModeManaged;
156 case StorageMode::kDevicePrivate:
157 return MTLStorageModePrivate;
158 case StorageMode::kDeviceTransient:
159 if (supports_memoryless_targets) {
161 if (@available(macOS 11.0, *)) {
162 return MTLStorageModeMemoryless;
164 return MTLStorageModePrivate;
167 return MTLStorageModePrivate;
174std::shared_ptr<DeviceBuffer> AllocatorMTL::OnCreateBuffer(
177 desc.storage_mode, supports_memoryless_targets_, supports_uma_);
179 desc.storage_mode, supports_memoryless_targets_, supports_uma_);
181 auto buffer = [device_ newBufferWithLength:desc.size
192std::shared_ptr<Texture> AllocatorMTL::OnCreateTexture(
200 if (!mtl_texture_desc) {
206 desc.storage_mode, supports_memoryless_targets_, supports_uma_);
208 if (@available(macOS 12.5, ios 15.0, *)) {
209 if (desc.compression_type == CompressionType::kLossy &&
211 mtl_texture_desc.compressionType = MTLTextureCompressionTypeLossy;
215 auto texture = [device_ newTextureWithDescriptor:mtl_texture_desc];
219 return TextureMTL::Create(desc,
texture);
static const uint8_t buffer[]
uint32_t uint32_t * format
A lightweight object that describes the attributes of a texture that can then used an allocator to cr...