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GLSL 1.40 shader for invert effect

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REVIEW: 110573
This commit is contained in:
Martin Gräßlin 2013-05-21 10:39:21 +02:00
parent 95656c3936
commit 58ffb7b627
4 changed files with 36 additions and 3 deletions
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7
effects/invert/CMakeLists.txt
View file

@ -13,8 +13,11 @@ install( FILES
# Data files
install( FILES
invert/data/invert.frag
DESTINATION ${DATA_INSTALL_DIR}/kwin )
invert/data/1.10/invert.frag
DESTINATION ${DATA_INSTALL_DIR}/kwin/shaders/1.10 )
install( FILES
invert/data/1.40/invert.frag
DESTINATION ${DATA_INSTALL_DIR}/kwin/shaders/1.40 )
#######################################
# Config

0
effects/invert/data/invert.frag → effects/invert/data/1.10/invert.frag
View file

25
effects/invert/data/1.40/invert.frag Normal file
View file

@ -0,0 +1,25 @@
#version 140
uniform sampler2D sampler;
uniform vec4 modulation;
uniform float saturation;
in vec2 varyingTexCoords;
out vec4 fragColor;
void main()
{
vec4 tex = texture(sampler, varyingTexCoords);
if (saturation != 1.0) {
vec3 desaturated = tex.rgb * vec3( 0.30, 0.59, 0.11 );
desaturated = vec3( dot( desaturated, tex.rgb ));
tex.rgb = tex.rgb * vec3( saturation ) + desaturated * vec3( 1.0 - saturation );
}
tex *= modulation;
tex.rgb = vec3(1.0) - tex.rgb;
tex.rgb *= tex.a;
fragColor = tex;
}

7
effects/invert/invert.cpp
View file

@ -72,7 +72,12 @@ bool InvertEffect::loadData()
{
m_inited = true;
const QString fragmentshader = KGlobal::dirs()->findResource("data", "kwin/invert.frag");
QString shadersDir = "kwin/shaders/1.10/";
#ifndef KWIN_HAVE_OPENGLES
if (GLPlatform::instance()->glslVersion() >= kVersionNumber(1, 40))
shadersDir = "kwin/shaders/1.40/";
#endif
const QString fragmentshader = KGlobal::dirs()->findResource("data", shadersDir + "invert.frag");
m_shader = ShaderManager::instance()->loadFragmentShader(ShaderManager::GenericShader, fragmentshader);
if (!m_shader->isValid()) {