oak-team/oak-editor
3
1
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

improved effects

Browse Source
This commit is contained in:
itsmattkc
2018-08-24 13:31:32 +10:00
parent 5a129929c4
commit 48867ba239
22 changed files with 199 additions and 139 deletions
Download Patch File Download Diff File Expand all files Collapse all files
effects/video/gaussianblureffect.cpp
+13 -4
View File
@@ -1,12 +1,21 @@
#include "gaussianblureffect.h"
GaussianBlurEffect::GaussianBlurEffect(Clip *c) : Effect(c, EFFECT_TYPE_VIDEO, VIDEO_GAUSSIANBLUR_EFFECT) {
GaussianBlurEffect::GaussianBlurEffect(Clip *c) : Effect(c, EFFECT_TYPE_VIDEO, VIDEO_GAUSSIANBLUR_EFFECT), frag(QOpenGLShader::Fragment), vert(QOpenGLShader::Vertex) {
enable_opengl = true;
vert.compileSourceCode("varying vec2 vTexCoord;\nvoid main() {\n\tvTexCoord = gl_MultiTexCoord0.xy;\n\tgl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;\n}");
frag.compileSourceCode("uniform mediump float amount_val;\nuniform sampler2D myTexture;\nvarying vec2 vTexCoord;\nvoid main(void) {\n\tvec4 textureColor = texture2D(myTexture, vTexCoord);\n\tgl_FragColor = vec4(textureColor.r+((1.0-textureColor.r-textureColor.r)*amount_val), textureColor.g+((1.0-textureColor.g-textureColor.g)*amount_val), textureColor.b+((1.0-textureColor.b-textureColor.b)*amount_val), textureColor.a);\n}");
program.addShader(&frag);
program.addShader(&vert);
program.link();
}
void GaussianBlurEffect::process_gl(double timecode, QOpenGLShaderProgram &shaders, GLTextureCoords &coords) {
shaders.addShaderFromSourceCode(QOpenGLShader::Vertex, "attribute vec2 position;\nvoid main() {\ngl_Position = vec4(position, 1, 1);\n}");
shaders.addShaderFromSourceCode(QOpenGLShader::Fragment, "uniform vec3 iResolution;\nuniform sampler2D iChannel0;\nuniform bool flip;\nuniform vec2 direction;\nvoid main() {\nvec2 uv = vec2(gl_FragCoord.xy / iResolution.xy);\nif (flip) uv.y = 1.0 - uv.y;\nvec4 color = vec4(0.0);\nvec2 off1 = vec2(1.3846153846) * direction;\nvec2 off2 = vec2(3.2307692308) * direction;\ncolor += texture2D(image, uv) * 0.2270270270;\ncolor += texture2D(image, uv + (off1 / resolution)) * 0.3162162162;\ncolor += texture2D(image, uv - (off1 / resolution)) * 0.3162162162;\ncolor += texture2D(image, uv + (off2 / resolution)) * 0.0702702703;\ncolor += texture2D(image, uv - (off2 / resolution)) * 0.0702702703;\ngl_FragColor = color;}");
void GaussianBlurEffect::process_gl(double timecode, GLTextureCoords &coords) {
program.bind();
}
void GaussianBlurEffect::clean_gl() {
program.release();
}