1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/* SPDX-License-Identifier: Apache-2.0
* Copyright 2021-2022 Blender Foundation */
#pragma once
#ifdef WITH_METAL
# include "device/kernel.h"
# include <Metal/Metal.h>
CCL_NAMESPACE_BEGIN
class MetalDevice;
enum {
METALRT_FUNC_DEFAULT_TRI,
METALRT_FUNC_DEFAULT_BOX,
METALRT_FUNC_SHADOW_TRI,
METALRT_FUNC_SHADOW_BOX,
METALRT_FUNC_LOCAL_TRI,
METALRT_FUNC_LOCAL_BOX,
METALRT_FUNC_CURVE_RIBBON,
METALRT_FUNC_CURVE_RIBBON_SHADOW,
METALRT_FUNC_CURVE_ALL,
METALRT_FUNC_CURVE_ALL_SHADOW,
METALRT_FUNC_POINT,
METALRT_FUNC_POINT_SHADOW,
METALRT_FUNC_NUM
};
enum { METALRT_TABLE_DEFAULT, METALRT_TABLE_SHADOW, METALRT_TABLE_LOCAL, METALRT_TABLE_NUM };
/* Pipeline State Object types */
enum MetalPipelineType {
/* A kernel that can be used with all scenes, supporting all features.
* It is slow to compile, but only needs to be compiled once and is then
* cached for future render sessions. This allows a render to get underway
* on the GPU quickly.
*/
PSO_GENERIC,
/* A intersection kernel that is very quick to specialize and results in faster intersection
* kernel performance. It uses Metal function constants to replace several KernelData variables
* with fixed constants.
*/
PSO_SPECIALIZED_INTERSECT,
/* A shading kernel that is slow to specialize, but results in faster shading kernel performance
* rendered. It uses Metal function constants to replace several KernelData variables with fixed
* constants and short-circuit all unused SVM node case handlers.
*/
PSO_SPECIALIZED_SHADE,
PSO_NUM
};
const char *kernel_type_as_string(MetalPipelineType pso_type);
struct MetalKernelPipeline {
void compile();
id<MTLLibrary> mtlLibrary = nil;
MetalPipelineType pso_type;
string source_md5;
size_t usage_count = 0;
KernelData kernel_data_;
bool use_metalrt;
bool metalrt_hair;
bool metalrt_hair_thick;
bool metalrt_pointcloud;
int threads_per_threadgroup;
DeviceKernel device_kernel;
bool loaded = false;
id<MTLDevice> mtlDevice = nil;
id<MTLFunction> function = nil;
id<MTLComputePipelineState> pipeline = nil;
int num_threads_per_block = 0;
bool should_use_binary_archive() const;
string error_str;
API_AVAILABLE(macos(11.0))
id<MTLIntersectionFunctionTable> intersection_func_table[METALRT_TABLE_NUM] = {nil};
id<MTLFunction> rt_intersection_function[METALRT_FUNC_NUM] = {nil};
};
/* Cache of Metal kernels for each DeviceKernel. */
namespace MetalDeviceKernels {
bool should_load_kernels(MetalDevice *device, MetalPipelineType pso_type);
bool load(MetalDevice *device, MetalPipelineType pso_type);
const MetalKernelPipeline *get_best_pipeline(const MetalDevice *device, DeviceKernel kernel);
} /* namespace MetalDeviceKernels */
CCL_NAMESPACE_END
#endif /* WITH_METAL */
|
