yum-mirror/slang

Making it easier to work with shaders

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James Helferty (NVIDIA)Add SPIRV OpCapability for 8/16bit use in storage (#8194)80ddf4027

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1//TEST:SIMPLE(filecheck=CHECK8): -target spirv -profile spirv_1_3 -DIN_UINT8
2//TEST:SIMPLE(filecheck=CHECK16): -target spirv -profile spirv_1_3 -DIN_UINT16
3//TEST:SIMPLE(filecheck=CHECK16): -target spirv -profile spirv_1_3 -DIN_HALF
4//TEST:SIMPLE(filecheck=CHECKBOTH): -target spirv -profile spirv_1_3 -DIN_UINT8 -DIN_HALF
5//TEST:SIMPLE(filecheck=CHECK8): -target spirv -profile spirv_1_3 -DOUT_UINT8
6//TEST:SIMPLE(filecheck=CHECK16): -target spirv -profile spirv_1_3 -DOUT_UINT16
7//TEST:SIMPLE(filecheck=CHECK16): -target spirv -profile spirv_1_3 -DOUT_HALF
8//TEST:SIMPLE(filecheck=CHECK16): -target spirv -profile spirv_1_3 -DOUT_HALF -DATOMIC
9//TEST:SIMPLE(filecheck=CHECK): -target spirv -profile spirv_1_3
10
11//CHECK8: OpCapability UniformAndStorageBuffer8BitAccess
12//CHECK8-NOT: OpCapability UniformAndStorageBuffer16BitAccess
13//CHECK16: OpCapability UniformAndStorageBuffer16BitAccess
14//CHECK16-NOT: OpCapability UniformAndStorageBuffer8BitAccess
15//CHECKBOTH-DAG: OpCapability UniformAndStorageBuffer8BitAccess
16//CHECKBOTH-DAG: OpCapability UniformAndStorageBuffer16BitAccess
17//CHECK-NOT: OpCapability UniformAndStorageBuffer8BitAccess
18//CHECK-NOT: OpCapability UniformAndStorageBuffer16BitAccess
19
20
21uniform struct {
22#if defined(IN_HALF)
23    half4 data;
24#else
25    float4 data;
26#endif
27#if defined(IN_UINT8)
28    uint8_t index;
29#elif defined(IN_UINT16)
30    uint16_t index;
31#else
32    uint32_t index;
33#endif
34} inputBuffer;
35
36#if defined(OUT_HALF)
37#define OUT_FLOAT_TYPE half
38#else
39#define OUT_FLOAT_TYPE float
40#endif
41#if defined(OUT_UINT8)
42#define OUT_UINT_TYPE uint8_t
43#elif defined(OUT_UINT16)
44#define OUT_UINT_TYPE uint16_t
45#else
46#define OUT_UINT_TYPE uint32_t
47#endif
48
49struct st {
50#if defined(ATOMIC)
51    Atomic<OUT_FLOAT_TYPE> data;
52#else
53    OUT_FLOAT_TYPE data;
54#endif
55    OUT_UINT_TYPE index;
56};
57RWStructuredBuffer<st> outputBuffer;
58
59[shader("compute")]
60[numthreads(1, 1, 1)]
61void computeMain()
62{
63    outputBuffer[0].data = OUT_FLOAT_TYPE(inputBuffer.data.x);
64    outputBuffer[1].index = OUT_UINT_TYPE(inputBuffer.index);
65}