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
|
// unit-test-geometry-shader.cpp
#include "../../source/core/slang-io.h"
#include "../../source/core/slang-process.h"
#include "slang-com-ptr.h"
#include "slang.h"
#include "unit-test/slang-unit-test.h"
#include <stdio.h>
#include <stdlib.h>
using namespace Slang;
// Test the compilation API for compiling geometry shaders to DXIL.
#if SLANG_WINDOWS_FAMILY
SLANG_UNIT_TEST(geometryShader)
{
const char* userSourceBody = R"(
struct GS_INPUT
{
float4 PosSS : TEXTURE0; // [Screen Space] Position
};
struct PS_INPUT
{
float4 PosSS : SV_POSITION; // [Screen Space] Position
};
[maxvertexcount(3)]
void main(triangle GS_INPUT input[3], inout TriangleStream<PS_INPUT> outStream)
{
PS_INPUT output;
output.PosSS = input[0].PosSS;
outStream.Append(output);
output.PosSS = input[1].PosSS;
outStream.Append(output);
output.PosSS = input[2].PosSS;
outStream.Append(output);
outStream.RestartStrip();
}
)";
ComPtr<slang::IGlobalSession> globalSession;
SlangGlobalSessionDesc globalDesc = {};
globalDesc.enableGLSL = true;
SLANG_CHECK(slang_createGlobalSession2(&globalDesc, globalSession.writeRef()) == SLANG_OK);
slang::TargetDesc targetDesc = {};
targetDesc.format = SLANG_DXIL;
targetDesc.profile = globalSession->findProfile("sm_6_0");
slang::SessionDesc sessionDesc = {};
sessionDesc.targetCount = 1;
sessionDesc.targets = &targetDesc;
ComPtr<slang::ISession> session;
SLANG_CHECK(globalSession->createSession(sessionDesc, session.writeRef()) == SLANG_OK);
ComPtr<slang::IBlob> diagnosticBlob;
auto module = session->loadModuleFromSourceString(
"m",
"m.slang",
userSourceBody,
diagnosticBlob.writeRef());
SLANG_CHECK(module != nullptr);
ComPtr<slang::IEntryPoint> entryPoint;
module->findAndCheckEntryPoint(
"main",
SLANG_STAGE_GEOMETRY,
entryPoint.writeRef(),
diagnosticBlob.writeRef());
slang::IComponentType* componentTypes[2] = {module, entryPoint.get()};
ComPtr<slang::IComponentType> composedProgram;
session->createCompositeComponentType(
componentTypes,
2,
composedProgram.writeRef(),
diagnosticBlob.writeRef());
ComPtr<slang::IComponentType> linkedProgram;
composedProgram->link(linkedProgram.writeRef(), diagnosticBlob.writeRef());
ComPtr<slang::IBlob> code;
linkedProgram->getEntryPointCode(0, 0, code.writeRef(), diagnosticBlob.writeRef());
SLANG_CHECK(code != nullptr);
}
#endif
|
