138 lines
3.5 KiB
Plaintext
138 lines
3.5 KiB
Plaintext
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Shader "AVProVideo/Unlit/Opaque (texture+color+stereo support) - Android OES ONLY"
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{
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Properties
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{
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_MainTex ("Base (RGB)", 2D) = "black" {}
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_ChromaTex("Chroma", 2D) = "gray" {} // For fallback shader
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_Color("Main Color", Color) = (1,1,1,1) // For fallback shader
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[KeywordEnum(None, Top_Bottom, Left_Right)] Stereo("Stereo Mode", Float) = 0
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[Toggle(STEREO_DEBUG)] _StereoDebug("Stereo Debug Tinting", Float) = 0
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[Toggle(APPLY_GAMMA)] _ApplyGamma("Apply Gamma", Float) = 0
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}
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SubShader
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{
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Tags { "RenderType"="Opaque" "IgnoreProjector"="False" "Queue"="Geometry" }
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LOD 100
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Lighting Off
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Cull Off
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Pass
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{
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GLSLPROGRAM
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#pragma only_renderers gles gles3
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// TODO: replace use multi_compile_local instead (Unity 2019.1 feature)
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#pragma multi_compile MONOSCOPIC STEREO_TOP_BOTTOM STEREO_LEFT_RIGHT STEREO_CUSTOM_UV
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#pragma multi_compile __ APPLY_GAMMA
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#pragma multi_compile __ USING_DEFAULT_TEXTURE
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#pragma multi_compile __ STEREO_DEBUG
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#extension GL_OES_EGL_image_external : require
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#extension GL_OES_EGL_image_external_essl3 : enable
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precision mediump float;
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#ifdef VERTEX
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#include "UnityCG.glslinc"
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#if defined(STEREO_MULTIVIEW_ON)
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UNITY_SETUP_STEREO_RENDERING
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#endif
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#define SHADERLAB_GLSL
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#include "AVProVideo.cginc"
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varying vec2 texVal;
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uniform vec4 _MainTex_ST;
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uniform mat4 _TextureMatrix;
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#if defined(STEREO_DEBUG)
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varying vec4 tint;
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#endif
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/// @fix: explicit TRANSFORM_TEX(); Unity's preprocessor chokes when attempting to use the TRANSFORM_TEX() macro in UnityCG.glslinc
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/// (as of Unity 4.5.0f6; issue dates back to 2011 or earlier: http://forum.unity3d.com/threads/glsl-transform_tex-and-tiling.93756/)
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vec2 transformTex(vec4 texCoord, vec4 texST)
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{
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return (texCoord.xy * texST.xy + texST.zw);
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}
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INLINE bool Android_IsStereoEyeLeft()
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{
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#if defined(STEREO_MULTIVIEW_ON)
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int eyeIndex = SetupStereoEyeIndex();
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return (eyeIndex == 0);
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#else
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return IsStereoEyeLeft();
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#endif
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}
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void main()
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{
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gl_Position = XFormObjectToClip(gl_Vertex);
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texVal = transformTex(gl_MultiTexCoord0, _MainTex_ST);
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//texVal.x = 1.0 - texVal.x;
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// Apply texture transformation matrix - adjusts for offset/cropping (when the decoder decodes in blocks that overrun the video frame size, it pads)
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texVal.xy = (_TextureMatrix * vec4(texVal.x, texVal.y, 0.0, 1.0) ).xy;
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#if defined(STEREO_TOP_BOTTOM) || defined(STEREO_LEFT_RIGHT)
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vec4 scaleOffset = GetStereoScaleOffset(Android_IsStereoEyeLeft(), false);
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texVal.xy *= scaleOffset.xy;
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texVal.xy += scaleOffset.zw;
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#endif
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#if defined(STEREO_DEBUG)
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tint = GetStereoDebugTint(Android_IsStereoEyeLeft());
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#endif
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}
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#endif
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#ifdef FRAGMENT
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varying vec2 texVal;
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#if defined(APPLY_GAMMA)
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vec3 GammaToLinear(vec3 col)
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{
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return col * (col * (col * 0.305306011 + 0.682171111) + 0.012522878);
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}
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#endif
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#if defined(USING_DEFAULT_TEXTURE)
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uniform sampler2D _MainTex;
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#else
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uniform samplerExternalOES _MainTex;
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#endif
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#if defined(STEREO_DEBUG)
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varying vec4 tint;
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#endif
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void main()
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{
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#if defined(SHADER_API_GLES) || defined(SHADER_API_GLES3)
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vec4 col = texture2D(_MainTex, texVal.xy);
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#else
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vec4 col = vec4(1.0, 1.0, 0.0, 1.0);
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#endif
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#if defined(APPLY_GAMMA)
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col.rgb = GammaToLinear(col.rgb);
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#endif
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#if defined(STEREO_DEBUG)
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col *= tint;
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#endif
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gl_FragColor = col;
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}
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#endif
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ENDGLSL
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}
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}
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Fallback "AVProVideo/Unlit/Opaque (texture+color+fog+stereo support)"
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}
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