forked from cgvr/DeltaVR
92 lines
3.0 KiB
HLSL
92 lines
3.0 KiB
HLSL
/************************************************************************************
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Copyright : Copyright (c) Facebook Technologies, LLC and its affiliates. All rights reserved.
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Your use of this SDK or tool is subject to the Oculus SDK License Agreement, available at
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https://developer.oculus.com/licenses/oculussdk/
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Unless required by applicable law or agreed to in writing, the Utilities SDK distributed
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under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
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ANY KIND, either express or implied. See the License for the specific language governing
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permissions and limitations under the License.
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************************************************************************************/
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#pragma vertex baseVertex
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#pragma fragment baseFragment
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#pragma multi_compile_fwdbase nolightmap nodirlightmap nodynlightmap novertexlight
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#pragma prefer_hlslcc gles
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#pragma exclude_renderers d3d11_9x
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#pragma target 2.0
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//
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struct VertexInput
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{
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float4 vertex : POSITION;
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half3 normal : NORMAL;
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half4 vertexColor : COLOR;
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float4 texcoord : TEXCOORD0;
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UNITY_VERTEX_INPUT_INSTANCE_ID
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};
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struct VertexOutput
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{
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float4 vertex : SV_POSITION;
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float3 worldPos : TEXCOORD1;
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float3 worldNormal : TEXCOORD2;
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half4 glowColor : COLOR;
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UNITY_VERTEX_INPUT_INSTANCE_ID
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UNITY_VERTEX_OUTPUT_STEREO
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};
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UNITY_INSTANCING_BUFFER_START(Props)
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UNITY_DEFINE_INSTANCED_PROP(half4, glowColor)
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UNITY_INSTANCING_BUFFER_END(Props)
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VertexOutput baseVertex(VertexInput v)
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{
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VertexOutput o;
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UNITY_SETUP_INSTANCE_ID(v);
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UNITY_INITIALIZE_OUTPUT(VertexOutput, o);
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UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
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UNITY_TRANSFER_INSTANCE_ID(v, o);
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o.worldPos = mul(unity_ObjectToWorld, v.vertex);
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o.worldNormal = UnityObjectToWorldNormal(v.normal);
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o.vertex = UnityObjectToClipPos(v.vertex);
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half4 maskPixelColor = tex2Dlod(_FingerGlowMask, v.texcoord);
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int glowMaskR = maskPixelColor.r * 255;
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int thumbMask = (glowMaskR >> 3) & 0x1;
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int indexMask = (glowMaskR >> 4) & 0x1;
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int middleMask = (glowMaskR >> 5) & 0x1;
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int ringMask = (glowMaskR >> 6) & 0x1;
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int pinkyMask = (glowMaskR >> 7) & 0x1;
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half glowIntensity = saturate(
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maskPixelColor.g *
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(thumbMask * _ThumbGlowValue
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+ indexMask * _IndexGlowValue
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+ middleMask * _MiddleGlowValue
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+ ringMask * _RingGlowValue
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+ pinkyMask * _PinkyGlowValue));
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half4 glow = glowIntensity * _FingerGlowColor;
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o.glowColor.rgb = glow.rgb;
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o.glowColor.a = saturate(maskPixelColor.a + _WristFade) * _Opacity;
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return o;
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}
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half4 baseFragment(VertexOutput i) : SV_Target
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{
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float3 worldViewDir = normalize(UnityWorldSpaceViewDir(i.worldPos));
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float fresnelNdot = dot(i.worldNormal, worldViewDir);
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float fresnel = 1.0 * pow(1.0 - fresnelNdot, _FresnelPower);
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float4 color = lerp(_ColorTop, _ColorBottom, fresnel);
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half3 glowColor = saturate(color + i.glowColor.rgb);
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return half4(glowColor, i.glowColor.a);
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}
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