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Core/Graphics: adding Linear Guassian blur effects (#473)
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18 changes: 18 additions & 0 deletions
18
librtt/Display/Shader/kernel_filter_blurGaussianLinear_gl.lua
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| local kernel = {} | ||
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| kernel.language = "glsl" | ||
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| kernel.category = "filter" | ||
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| kernel.name = "blurGaussianLinear" | ||
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| kernel.graph = | ||
| { | ||
| nodes = { | ||
| horizontal = { effect="filter.blurLinearHorizontal", input1="paint1" }, | ||
| vertical = { effect="filter.blurLinearVertical", input1="horizontal" }, | ||
| }, | ||
| output = "vertical", | ||
| } | ||
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| return kernel |
51 changes: 51 additions & 0 deletions
51
librtt/Display/Shader/kernel_filter_blurLinearHorizontal_gl.lua
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| local kernel = {} | ||
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| kernel.language = "glsl" | ||
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| kernel.category = "filter" | ||
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| kernel.name = "blurLinearHorizontal" | ||
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| kernel.unsupportedPlatforms = | ||
| { | ||
| WinPhone = true, | ||
| } | ||
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| kernel.vertexData = | ||
| { | ||
| { | ||
| name = "offset1", | ||
| default = 1.3846153846, | ||
| min = 0, | ||
| max = 100, | ||
| index = 0, -- v_UserData.x | ||
| }, | ||
| { | ||
| name = "offset2", | ||
| default = 3.2307692308, | ||
| min = 0, | ||
| max = 100, | ||
| index = 1, -- v_UserData.y | ||
| }, | ||
| } | ||
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| kernel.fragment = | ||
| [[ | ||
| const P_UV float kWeight0 = 0.2270270270; | ||
| const P_UV float kWeight1 = 0.3162162162; | ||
| const P_UV float kWeight2 = 0.0702702703; | ||
| P_COLOR vec4 FragmentKernel( P_UV vec2 texCoord ) | ||
| { | ||
| P_COLOR vec4 color = texture2D(u_FillSampler0, texCoord.st) * kWeight0; | ||
| color += texture2D(u_FillSampler0, (texCoord.st + vec2(v_UserData.x, 0.0) * u_TexelSize.xy)) * kWeight1; | ||
| color += texture2D(u_FillSampler0, (texCoord.st - vec2(v_UserData.x, 0.0) * u_TexelSize.xy)) * kWeight1; | ||
| color += texture2D(u_FillSampler0, (texCoord.st + vec2(v_UserData.y, 0.0) * u_TexelSize.xy)) * kWeight2; | ||
| color += texture2D(u_FillSampler0, (texCoord.st - vec2(v_UserData.y, 0.0) * u_TexelSize.xy)) * kWeight2; | ||
| return color * v_ColorScale; | ||
| } | ||
| ]] | ||
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| return kernel |
51 changes: 51 additions & 0 deletions
51
librtt/Display/Shader/kernel_filter_blurLinearVertical_gl.lua
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| local kernel = {} | ||
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| kernel.language = "glsl" | ||
|
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| kernel.category = "filter" | ||
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| kernel.name = "blurLinearVertical" | ||
|
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| kernel.unsupportedPlatforms = | ||
| { | ||
| WinPhone = true, | ||
| } | ||
|
|
||
| kernel.vertexData = | ||
| { | ||
| { | ||
| name = "offset1", | ||
| default = 1.3846153846, | ||
| min = 0, | ||
| max = 100, | ||
| index = 0, -- v_UserData.x | ||
| }, | ||
| { | ||
| name = "offset2", | ||
| default = 3.2307692308, | ||
| min = 0, | ||
| max = 100, | ||
| index = 1, -- v_UserData.y | ||
| }, | ||
| } | ||
|
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| kernel.fragment = | ||
| [[ | ||
| const P_UV float kWeight0 = 0.2270270270; | ||
| const P_UV float kWeight1 = 0.3162162162; | ||
| const P_UV float kWeight2 = 0.0702702703; | ||
| P_COLOR vec4 FragmentKernel( P_UV vec2 texCoord ) | ||
| { | ||
| P_COLOR vec4 color = texture2D(u_FillSampler0, texCoord.st) * kWeight0; | ||
| color += texture2D(u_FillSampler0, (texCoord.st + vec2(0.0, v_UserData.x) * u_TexelSize.xy)) * kWeight1; | ||
| color += texture2D(u_FillSampler0, (texCoord.st - vec2(0.0, v_UserData.x) * u_TexelSize.xy)) * kWeight1; | ||
| color += texture2D(u_FillSampler0, (texCoord.st + vec2(0.0, v_UserData.y) * u_TexelSize.xy)) * kWeight2; | ||
| color += texture2D(u_FillSampler0, (texCoord.st - vec2(0.0, v_UserData.y) * u_TexelSize.xy)) * kWeight2; | ||
| return color * v_ColorScale; | ||
| } | ||
| ]] | ||
|
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| return kernel |
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