-const char* VERTEX_SHADER =
- "INPUT mediump vec2 aPosition;\n"
- "OUTPUT mediump vec2 vTexCoord;\n"
-
- "uniform highp mat4 uMvpMatrix;\n"
- "uniform highp vec3 uSize;\n"
- "uniform mediump vec4 pixelArea;"
- "//Visual size and offset\n"
-
- "uniform mediump vec2 offset;\n"
- "uniform highp vec2 size;\n"
- "uniform mediump vec4 offsetSizeMode;\n"
- "uniform mediump vec2 origin;\n"
- "uniform mediump vec2 anchorPoint;\n"
- "uniform mediump vec2 extraSize;\n"
-
- "vec4 ComputeVertexPosition()\n"
- "{\n"
- " vec2 visualSize = mix(uSize.xy*size, size, offsetSizeMode.zw ) + extraSize;\n"
- " vec2 visualOffset = mix( offset, offset/uSize.xy, offsetSizeMode.xy);\n"
- " return vec4( (aPosition + anchorPoint)*visualSize + (visualOffset + origin)*uSize.xy, 0.0, 1.0 );\n"
- "}\n"
- "\n"
- "void main()\n"
- "{\n"
- " gl_Position = uMvpMatrix * ComputeVertexPosition();\n"
- " vTexCoord = pixelArea.xy+pixelArea.zw*(aPosition + vec2(0.5) );\n"
- "}\n";
-
-const char* FRAGMENT_SHADER_NO_ATLAS =
- "INPUT mediump vec2 vTexCoord;\n"
-
- "uniform sampler2D sTexture;\n"
- "uniform lowp vec4 uColor;\n"
- "uniform lowp vec3 mixColor;\n"
- "uniform lowp float preMultipliedAlpha;\n"
-
- "void main()\n"
- "{\n"
- " OUT_COLOR = TEXTURE( sTexture, vTexCoord ) * uColor * vec4( mixColor, 1.0 );\n"
- "}\n";
-
-
-const char* FRAGMENT_SHADER_ATLAS_CLAMP =
- "INPUT mediump vec2 vTexCoord;\n"
-
- "uniform sampler2D sTexture;\n"
- "uniform mediump vec4 uAtlasRect;\n"
- "uniform lowp vec4 uColor;\n"
- "uniform lowp vec3 mixColor;\n"
- "uniform lowp float preMultipliedAlpha;\n"
-
- "void main()\n"
- "{\n"
- " mediump vec2 texCoord = clamp( mix( uAtlasRect.xy, uAtlasRect.zw, vTexCoord ), uAtlasRect.xy, uAtlasRect.zw );\n"
- " OUT_COLOR = TEXTURE( sTexture, texCoord ) * uColor * vec4( mixColor, 1.0 );\n"
- "}\n";
-
-
-const char* FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP =
- "INPUT mediump vec2 vTexCoord;\n"
-
- "uniform sampler2D sTexture;\n"
- "uniform mediump vec4 uAtlasRect;\n"
- "// WrapMode -- 0: CLAMP; 1: REPEAT; 2: REFLECT;"
- "uniform lowp vec2 wrapMode;\n"
- "uniform lowp vec4 uColor;\n"
- "uniform lowp vec3 mixColor;\n"
- "uniform lowp float preMultipliedAlpha;\n"
- "mediump float wrapCoordinate( mediump vec2 range, mediump float coordinate, lowp float wrap )\n"
-
- "{\n"
- " mediump float coord;\n"
- " if( wrap > 1.5 )\n // REFLECT"
- " coord = 1.0-abs(fract(coordinate*0.5)*2.0 - 1.0);\n"
- " else \n// warp == 0 or 1"
- " coord = mix(coordinate, fract( coordinate ), wrap);\n"
- " return clamp( mix(range.x, range.y, coord), range.x, range.y );"
- "}\n"
-
- "void main()\n"
- "{\n"
- " mediump vec2 texCoord = vec2( wrapCoordinate( uAtlasRect.xz, vTexCoord.x, wrapMode.x ),"
- " wrapCoordinate( uAtlasRect.yw, vTexCoord.y, wrapMode.y ) );\n"
- " OUT_COLOR = TEXTURE( sTexture, texCoord ) * uColor * vec4( mixColor, 1.0 );\n"
- "}\n";
-
-const char* VERTEX_SHADER_ROUNDED_CORNER =
- "INPUT mediump vec2 aPosition;\n"
- "OUTPUT mediump vec2 vTexCoord;\n"
- "OUTPUT mediump vec2 vPosition;\n"
- "OUTPUT mediump vec2 vRectSize;\n"
- "OUTPUT mediump float vCornerRadius;\n"
-
- "uniform highp mat4 uMvpMatrix;\n"
- "uniform highp vec3 uSize;\n"
- "uniform mediump vec4 pixelArea;"
-
- "//Visual size and offset\n"
- "uniform mediump vec2 offset;\n"
- "uniform highp vec2 size;\n"
- "uniform mediump vec4 offsetSizeMode;\n"
- "uniform mediump vec2 origin;\n"
- "uniform mediump vec2 anchorPoint;\n"
- "uniform mediump float cornerRadius;\n"
- "uniform mediump float cornerRadiusPolicy;\n"
- "uniform mediump vec2 extraSize;\n"
-
- "vec4 ComputeVertexPosition()\n"
- "{\n"
- " vec2 visualSize = mix(uSize.xy*size, size, offsetSizeMode.zw ) + extraSize;\n"
- " vec2 visualOffset = mix( offset, offset/uSize.xy, offsetSizeMode.xy);\n"
- " mediump float minSize = min( visualSize.x, visualSize.y );\n"
- " vCornerRadius = mix( cornerRadius * minSize, cornerRadius, cornerRadiusPolicy);\n"
- " vCornerRadius = min( vCornerRadius, minSize * 0.5 );\n"
- " vRectSize = visualSize * 0.5 - vCornerRadius;\n"
- " vPosition = aPosition* visualSize;\n"
- " return vec4( vPosition + anchorPoint*visualSize + (visualOffset + origin)*uSize.xy, 0.0, 1.0 );\n"
- "}\n"
-
- "void main()\n"
- "{\n"
- " gl_Position = uMvpMatrix * ComputeVertexPosition();\n"
- " vTexCoord = pixelArea.xy+pixelArea.zw*(aPosition + vec2(0.5) );\n"
- "}\n";
-
-
-//float distance = length( max( abs( position - center ), size ) - size ) - radius;
-const char* FRAGMENT_SHADER_ROUNDED_CORNER =
- "INPUT mediump vec2 vTexCoord;\n"
- "INPUT mediump vec2 vPosition;\n"
- "INPUT mediump vec2 vRectSize;\n"
- "INPUT mediump float vCornerRadius;\n"
-
- "uniform sampler2D sTexture;\n"
- "uniform lowp vec4 uColor;\n"
- "uniform lowp vec3 mixColor;\n"
- "uniform lowp float preMultipliedAlpha;\n"
-
- "void main()\n"
- "{\n"
- " mediump float dist = length( max( abs( vPosition ), vRectSize ) - vRectSize ) - vCornerRadius;\n"
- " mediump float opacity = 1.0 - smoothstep( -1.0, 1.0, dist );\n"
-
- " OUT_COLOR = TEXTURE( sTexture, vTexCoord ) * uColor * vec4( mixColor, 1.0 );\n"
- " OUT_COLOR.a *= opacity;\n"
- " OUT_COLOR.rgb *= mix( 1.0, opacity, preMultipliedAlpha );\n"
- "}\n";
-