oak-team/oak-editor
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

gaussian blur started

Browse Source
This commit is contained in:
itsmattkc
2018-08-29 10:03:10 +10:00
parent 57fa7f1842
commit bc3dd338db
1 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
effects/video/gaussianblureffect.cpp
+4 -2
View File
@@ -6,8 +6,10 @@ GaussianBlurEffect::GaussianBlurEffect(Clip *c) : Effect(c, EFFECT_TYPE_VIDEO, V
enable_opengl = true;
enable_image = false;
vert.compileSourceCode("attribute vec2 position;\nvoid main() { gl_Position = vec4(position, 1, 1); }");
frag.compileSourceCode("uniform vec3 resolution;\nuniform sampler2D image;\nuniform bool flip;\nuniform vec2 direction;\n\nvoid main() {\n vec2 uv = vec2(gl_FragCoord.xy / resolution.xy);\n if (flip) {\n uv.y = 1.0 - uv.y;\n }\n\n vec4 color = vec4(0.0);\n vec2 off1 = vec2(1.3846153846) * direction;\n vec2 off2 = vec2(3.2307692308) * direction;\n color += texture2D(image, uv) * 0.2270270270;\n color += texture2D(image, uv + (off1 / resolution.xy)) * 0.3162162162;\n color += texture2D(image, uv - (off1 / resolution.xy)) * 0.3162162162;\n color += texture2D(image, uv + (off2 / resolution.xy)) * 0.0702702703;\n color += texture2D(image, uv - (off2 / resolution.xy)) * 0.0702702703;\n gl_FragColor = color;\n}\n");
vert.compileSourceCode("void main() {\ngl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;\n}");
// vert.compileSourceCode("#version 330 core\nin vec2 VertexPosition;\nvoid main(void) {\ngl_Position = vec4(VertexPosition, 0.0, 1.0);\n}");
frag.compileSourceCode("#version 330 core\n\nuniform sampler2D image;\n\nout vec4 FragmentColor;\n\nuniform float offset[3] = float[]( 0.0, 1.3846153846, 3.2307692308 );\nuniform float weight[3] = float[]( 0.2270270270, 0.3162162162, 0.0702702703 );\n\nvoid main(void)\n{\n FragmentColor = texture2D( image, vec2(gl_FragCoord)/vec2(640.0, 360.0) ) * weight[0];\n for (int i=1; i<3; i++) {\n FragmentColor += texture2D( image, ( vec2(gl_FragCoord)+vec2(offset[i], 0.0) )/vec2(640.0, 360.0) ) * weight[i];\n FragmentColor += texture2D( image, ( vec2(gl_FragCoord)-vec2(offset[i], 0.0) )/vec2(640.0, 360.0) ) * weight[i];\n }\n}");
// frag.compileSourceCode("#version 330 core\n\nuniform sampler2D image;\n\nout vec4 FragmentColor;\n\nvoid main(void)\n{\n FragmentColor = texture2D( image, vec2(gl_FragCoord)/vec2(640.0, 360.0) );\n}");
program.addShader(&frag);
program.addShader(&vert);
program.link();