Add regression test for SM 3.0 texture sampling

reference/shaders-hlsl/frag/tex-sampling.sm30.frag

@@ -0,0 +1,87 @@
+uniform sampler1D tex1d;
+uniform sampler2D tex2d;
+uniform sampler3D tex3d;
+uniform samplerCUBE texCube;
+uniform sampler1D tex1dShadow;
+uniform sampler2D tex2dShadow;
+
+static float texCoord1d;
+static float2 texCoord2d;
+static float3 texCoord3d;
+static float4 FragColor;
+static float4 texCoord4d;
+
+struct SPIRV_Cross_Input
+{
+    float texCoord1d : TEXCOORD0;
+    float2 texCoord2d : TEXCOORD1;
+    float3 texCoord3d : TEXCOORD2;
+    float4 texCoord4d : TEXCOORD3;
+};
+
+struct SPIRV_Cross_Output
+{
+    float4 FragColor : COLOR0;
+};
+
+void frag_main()
+{
+    float4 texcolor = tex1D(tex1d, texCoord1d);
+    texcolor += tex1Dlod(tex1d, float4(texCoord1d, 0.0, 0.0, 2.0f));
+    texcolor += tex1Dgrad(tex1d, texCoord1d, 1.0f, 2.0f);
+    float2 _34 = float2(texCoord1d, 2.0f);
+    texcolor += tex1Dproj(tex1d, float4(_34.x, 0.0, 0.0, _34.y));
+    texcolor += tex1Dbias(tex1d, float4(texCoord1d, 0.0, 0.0, 1.0f));
+    texcolor += tex2D(tex2d, texCoord2d);
+    texcolor += tex2Dlod(tex2d, float4(texCoord2d, 0.0, 2.0f));
+    texcolor += tex2Dgrad(tex2d, texCoord2d, float2(1.0f, 2.0f), float2(3.0f, 4.0f));
+    float3 _73 = float3(texCoord2d, 2.0f);
+    texcolor += tex2Dproj(tex2d, float4(_73.xy, 0.0, _73.z));
+    texcolor += tex2Dbias(tex2d, float4(texCoord2d, 0.0, 1.0f));
+    texcolor += tex3D(tex3d, texCoord3d);
+    texcolor += tex3Dlod(tex3d, float4(texCoord3d, 2.0f));
+    texcolor += tex3Dgrad(tex3d, texCoord3d, float3(1.0f, 2.0f, 3.0f), float3(4.0f, 5.0f, 6.0f));
+    float4 _112 = float4(texCoord3d, 2.0f);
+    texcolor += tex3Dproj(tex3d, float4(_112.xyz, _112.w));
+    texcolor += tex3Dbias(tex3d, float4(texCoord3d, 1.0f));
+    texcolor += texCUBE(texCube, texCoord3d);
+    texcolor += texCUBElod(texCube, float4(texCoord3d, 2.0f));
+    texcolor += texCUBEbias(texCube, float4(texCoord3d, 1.0f));
+    float3 _147 = float3(texCoord1d, 0.0f, 0.0f);
+    float _148 = _147.z;
+    texcolor.w += tex1Dproj(tex1dShadow, float4(_147.x, _148, _148, 1.0));
+    float3 _159 = float3(texCoord1d, 0.0f, 0.0f);
+    float _160 = _159.z;
+    texcolor.w += tex1Dlod(tex1dShadow, float4(_159.x, _160, _160, 2.0f));
+    float4 _168 = float4(texCoord1d, 0.0f, 0.0f, 2.0f);
+    float _169 = _168.z;
+    float4 _171 = _168;
+    _171.y = _168.w;
+    texcolor.w += tex1Dproj(tex1dShadow, float4(_171.x, _169, _169, _171.y));
+    float3 _179 = float3(texCoord1d, 0.0f, 0.0f);
+    float _180 = _179.z;
+    texcolor.w += tex1Dbias(tex1dShadow, float4(_179.x, _180, _180, 1.0f));
+    float3 _194 = float3(texCoord2d, 0.0f);
+    texcolor.w += tex2Dproj(tex2dShadow, float4(_194.xy, _194.z, 1.0));
+    float3 _205 = float3(texCoord2d, 0.0f);
+    texcolor.w += tex2Dlod(tex2dShadow, float4(_205.xy, _205.z, 2.0f));
+    float4 _216 = float4(texCoord2d, 0.0f, 2.0f);
+    float4 _219 = _216;
+    _219.z = _216.w;
+    texcolor.w += tex2Dproj(tex2dShadow, float4(_219.xy, _216.z, _219.z));
+    float3 _229 = float3(texCoord2d, 0.0f);
+    texcolor.w += tex2Dbias(tex2dShadow, float4(_229.xy, _229.z, 1.0f));
+    FragColor = texcolor;
+}
+
+SPIRV_Cross_Output main(SPIRV_Cross_Input stage_input)
+{
+    texCoord1d = stage_input.texCoord1d;
+    texCoord2d = stage_input.texCoord2d;
+    texCoord3d = stage_input.texCoord3d;
+    texCoord4d = stage_input.texCoord4d;
+    frag_main();
+    SPIRV_Cross_Output stage_output;
+    stage_output.FragColor = float4(FragColor);
+    return stage_output;
+}

shaders-hlsl/frag/tex-sampling.sm30.frag

@@ -0,0 +1,53 @@
+#version 450
+
+layout(binding = 0) uniform sampler1D tex1d;
+layout(binding = 1) uniform sampler2D tex2d;
+layout(binding = 2) uniform sampler3D tex3d;
+layout(binding = 3) uniform samplerCube texCube;
+
+layout(binding = 4) uniform sampler1DShadow tex1dShadow;
+layout(binding = 5) uniform sampler2DShadow tex2dShadow;
+
+layout(location = 0) in float texCoord1d;
+layout(location = 1) in vec2 texCoord2d;
+layout(location = 2) in vec3 texCoord3d;
+layout(location = 3) in vec4 texCoord4d;
+
+layout(location = 0) out vec4 FragColor;
+
+void main()
+{
+	vec4 texcolor = texture(tex1d, texCoord1d);
+	texcolor += textureLod(tex1d, texCoord1d, 2);
+	texcolor += textureGrad(tex1d, texCoord1d, 1.0, 2.0);
+	texcolor += textureProj(tex1d, vec2(texCoord1d, 2.0));
+	texcolor += texture(tex1d, texCoord1d, 1.0);
+
+	texcolor += texture(tex2d, texCoord2d);
+	texcolor += textureLod(tex2d, texCoord2d, 2);
+	texcolor += textureGrad(tex2d, texCoord2d, vec2(1.0, 2.0), vec2(3.0, 4.0));
+	texcolor += textureProj(tex2d, vec3(texCoord2d, 2.0));
+	texcolor += texture(tex2d, texCoord2d, 1.0);
+
+	texcolor += texture(tex3d, texCoord3d);
+	texcolor += textureLod(tex3d, texCoord3d, 2);
+	texcolor += textureGrad(tex3d, texCoord3d, vec3(1.0, 2.0, 3.0), vec3(4.0, 5.0, 6.0));
+	texcolor += textureProj(tex3d, vec4(texCoord3d, 2.0));
+	texcolor += texture(tex3d, texCoord3d, 1.0);
+
+	texcolor += texture(texCube, texCoord3d);
+	texcolor += textureLod(texCube, texCoord3d, 2);
+	texcolor += texture(texCube, texCoord3d, 1.0);
+
+	texcolor.a += texture(tex1dShadow, vec3(texCoord1d, 0.0, 0.0));
+	texcolor.a += textureLod(tex1dShadow, vec3(texCoord1d, 0.0, 0.0), 2);
+	texcolor.a += textureProj(tex1dShadow, vec4(texCoord1d, 0.0, 0.0, 2.0));
+	texcolor.a += texture(tex1dShadow, vec3(texCoord1d, 0.0, 0.0), 1.0);
+
+	texcolor.a += texture(tex2dShadow, vec3(texCoord2d, 0.0));
+	texcolor.a += textureLod(tex2dShadow, vec3(texCoord2d, 0.0), 2);
+	texcolor.a += textureProj(tex2dShadow, vec4(texCoord2d, 0.0, 2.0));
+	texcolor.a += texture(tex2dShadow, vec3(texCoord2d, 0.0), 1.0);
+
+	FragColor = texcolor;
+}