public void TestVersionUsesPrecision(TargetVersion targetVersion, bool expectedResult)
{
Assert.That(HlslToGlslConverter.VersionUsesPrecision(targetVersion), Is.EqualTo(expectedResult));
}
public void CanConvertVertexShader()
{
const string hlslCode = @"
float4x4 World : WORLD;
float4x4 ViewProjection;
float3 CameraPosition : register(c0) = float3(1, 0, 1);
float MyArray[2];
float4 main(float4 position: POSITION) : SV_Position
{
return float4(CameraPosition, MyArray[0]) + mul(mul(position, World), ViewProjection);
}";
const string expectedGlslCode = @"#version 140
uniform mat4 World;
#line 3
uniform mat4 ViewProjection;
uniform vec3 CameraPosition = vec3( 1.0, 0.0, 1.0);
uniform float MyArray[2];
#line 6
vec4 xlat_main( in vec4 position ) {
#line 8
return (vec4( CameraPosition, MyArray[0]) + ((position * World) * ViewProjection));
}
void main() {
vec4 xl_retval;
xl_retval = xlat_main( vec4(gl_CustomPosition));
gl_Position = vec4(xl_retval);
}
";
var overrideAttributeNames = new Dictionary <AttributeSemantic, string>
{
{ AttributeSemantic.Position, "gl_CustomPosition" }
};
ConversionResult result;
using (var converter = new HlslToGlslConverter())
result = converter.Convert(ShaderType.VertexShader, TargetVersion.GLSL_140, TranslationOptions.None, hlslCode, "main", overrideAttributeNames);
Assert.That(
result.GlslCode.Replace("\r\n", "\n"),
Is.EqualTo(expectedGlslCode.Replace("\r\n", "\n")));
Assert.That(result.Uniforms, Has.Length.EqualTo(4));
Assert.That(result.Uniforms[0].ArraySize, Is.EqualTo(0));
Assert.That(result.Uniforms[0].Name, Is.EqualTo("CameraPosition"));
Assert.That(result.Uniforms[0].RegisterSpec, Is.EqualTo("c0"));
Assert.That(result.Uniforms[0].Semantic, Is.EqualTo(null));
Assert.That(result.Uniforms[0].Type, Is.EqualTo(VariableType.Vec3));
//Assert.That(result.Uniforms[2].Init, Has.Length.EqualTo(1));
//Assert.That(result.Uniforms[2].Init[0], Is.EqualTo(1.0f));
Assert.That(result.Uniforms[1].ArraySize, Is.EqualTo(2));
Assert.That(result.Uniforms[1].Name, Is.EqualTo("MyArray"));
Assert.That(result.Uniforms[1].RegisterSpec, Is.EqualTo(null));
Assert.That(result.Uniforms[1].Semantic, Is.EqualTo(null));
Assert.That(result.Uniforms[1].Type, Is.EqualTo(VariableType.Float));
Assert.That(result.Uniforms[2].ArraySize, Is.EqualTo(0));
Assert.That(result.Uniforms[2].Name, Is.EqualTo("ViewProjection"));
Assert.That(result.Uniforms[2].RegisterSpec, Is.EqualTo(null));
Assert.That(result.Uniforms[2].Semantic, Is.EqualTo(null));
Assert.That(result.Uniforms[2].Type, Is.EqualTo(VariableType.Mat4x4));
//Assert.That(result.Uniforms[1].Init, Has.Length.EqualTo(0));
Assert.That(result.Uniforms[3].ArraySize, Is.EqualTo(0));
Assert.That(result.Uniforms[3].Name, Is.EqualTo("World"));
Assert.That(result.Uniforms[3].RegisterSpec, Is.EqualTo(null));
Assert.That(result.Uniforms[3].Semantic, Is.EqualTo("WORLD"));
Assert.That(result.Uniforms[3].Type, Is.EqualTo(VariableType.Mat4x4));
//Assert.That(result.Uniforms[2].Init, Has.Length.EqualTo(0));
}
public void CanConvertVertexShader()
{
const string hlslCode = @"
float4x4 World : WORLD;
float4x4 ViewProjection;
float3 CameraPosition : register(c0) = float3(1, 0, 1);
float MyArray[2];
float4 main(float4 position: POSITION) : SV_Position
{
return float4(CameraPosition, MyArray[0]) + mul(mul(position, World), ViewProjection);
}";
const string expectedGlslCode = @"#version 140
uniform mat4 World;
#line 3
uniform mat4 ViewProjection;
uniform vec3 CameraPosition = vec3( 1.0, 0.0, 1.0);
uniform float MyArray[2];
#line 6
vec4 xlat_main( in vec4 position ) {
#line 8
return (vec4( CameraPosition, MyArray[0]) + ((position * World) * ViewProjection));
}
void main() {
vec4 xl_retval;
xl_retval = xlat_main( vec4(gl_CustomPosition));
gl_Position = vec4(xl_retval);
}
";
var overrideAttributeNames = new Dictionary<AttributeSemantic, string>
{
{ AttributeSemantic.Position, "gl_CustomPosition" }
};
ConversionResult result;
using (var converter = new HlslToGlslConverter())
result = converter.Convert(ShaderType.VertexShader, TargetVersion.GLSL_140, TranslationOptions.None, hlslCode, "main", overrideAttributeNames);
Assert.That(
result.GlslCode.Replace("\r\n", "\n"),
Is.EqualTo(expectedGlslCode.Replace("\r\n", "\n")));
Assert.That(result.Uniforms, Has.Length.EqualTo(4));
Assert.That(result.Uniforms[0].ArraySize, Is.EqualTo(0));
Assert.That(result.Uniforms[0].Name, Is.EqualTo("CameraPosition"));
Assert.That(result.Uniforms[0].RegisterSpec, Is.EqualTo("c0"));
Assert.That(result.Uniforms[0].Semantic, Is.EqualTo(null));
Assert.That(result.Uniforms[0].Type, Is.EqualTo(VariableType.Vec3));
//Assert.That(result.Uniforms[2].Init, Has.Length.EqualTo(1));
//Assert.That(result.Uniforms[2].Init[0], Is.EqualTo(1.0f));
Assert.That(result.Uniforms[1].ArraySize, Is.EqualTo(2));
Assert.That(result.Uniforms[1].Name, Is.EqualTo("MyArray"));
Assert.That(result.Uniforms[1].RegisterSpec, Is.EqualTo(null));
Assert.That(result.Uniforms[1].Semantic, Is.EqualTo(null));
Assert.That(result.Uniforms[1].Type, Is.EqualTo(VariableType.Float));
Assert.That(result.Uniforms[2].ArraySize, Is.EqualTo(0));
Assert.That(result.Uniforms[2].Name, Is.EqualTo("ViewProjection"));
Assert.That(result.Uniforms[2].RegisterSpec, Is.EqualTo(null));
Assert.That(result.Uniforms[2].Semantic, Is.EqualTo(null));
Assert.That(result.Uniforms[2].Type, Is.EqualTo(VariableType.Mat4x4));
//Assert.That(result.Uniforms[1].Init, Has.Length.EqualTo(0));
Assert.That(result.Uniforms[3].ArraySize, Is.EqualTo(0));
Assert.That(result.Uniforms[3].Name, Is.EqualTo("World"));
Assert.That(result.Uniforms[3].RegisterSpec, Is.EqualTo(null));
Assert.That(result.Uniforms[3].Semantic, Is.EqualTo("WORLD"));
Assert.That(result.Uniforms[3].Type, Is.EqualTo(VariableType.Mat4x4));
//Assert.That(result.Uniforms[2].Init, Has.Length.EqualTo(0));
}
