diff options
Diffstat (limited to 'examples/shadereffectitem/Effectoids/Box4PointBlur.qml')
| -rw-r--r-- | examples/shadereffectitem/Effectoids/Box4PointBlur.qml | 53 |
1 files changed, 29 insertions, 24 deletions
diff --git a/examples/shadereffectitem/Effectoids/Box4PointBlur.qml b/examples/shadereffectitem/Effectoids/Box4PointBlur.qml index f64fbe7..64cd727 100644 --- a/examples/shadereffectitem/Effectoids/Box4PointBlur.qml +++ b/examples/shadereffectitem/Effectoids/Box4PointBlur.qml @@ -48,39 +48,44 @@ ShaderEffectItem "varying highp vec2 my_TexCoord2; \n" + "varying highp vec2 my_TexCoord3; \n" + "varying highp vec2 my_TexCoord4; \n" + - "uniform sampler2D source; \n" + + "uniform lowp sampler2D source; \n" + + "uniform highp float qt_Opacity; \n" + "void main() { \n" + - " gl_FragColor = (texture2D(source, qt_TexCoord) \n" + - " + texture2D(source, my_TexCoord2) \n" + - " + texture2D(source, my_TexCoord3) \n" + - " + texture2D(source, my_TexCoord4)) * 0.25; \n" + + " gl_FragColor = qt_Opacity * (texture2D(source, qt_TexCoord) \n" + + " + texture2D(source, my_TexCoord2) \n" + + " + texture2D(source, my_TexCoord3) \n" + + " + texture2D(source, my_TexCoord4)) * 0.25; \n" + "}" vertexShader: - "attribute highp vec4 qt_VertexPosition; \n" + - "attribute highp vec2 qt_VertexTexCoord; \n" + - "uniform highp mat4 qt_Matrix; \n" + - "uniform highp float xOffset; \n" + - "uniform highp float yOffset; \n" + - "varying highp vec2 qt_TexCoord; \n" + - "varying highp vec2 my_TexCoord2; \n" + - "varying highp vec2 my_TexCoord3; \n" + - "varying highp vec2 my_TexCoord4; \n" + - "void main() { \n" + - " highp vec2 s1 = vec2(xOffset, yOffset); \n" + - " highp vec2 s2 = vec2(-xOffset, yOffset); \n" + - " qt_TexCoord = qt_VertexTexCoord + s1; \n" + - " my_TexCoord2 = qt_VertexTexCoord - s1; \n" + - " my_TexCoord3 = qt_VertexTexCoord + s2; \n" + - " my_TexCoord4 = qt_VertexTexCoord - s2; \n" + - " gl_Position = qt_Matrix * qt_VertexPosition; \n" + + "attribute highp vec4 qt_Vertex; \n" + + "attribute highp vec2 qt_MultiTexCoord0; \n" + + "uniform highp mat4 qt_Matrix; \n" + + "uniform highp float xOffset; \n" + + "uniform highp float yOffset; \n" + + "uniform highp vec2 _normMargins; \n" + + "varying highp vec2 qt_TexCoord; \n" + + "varying highp vec2 my_TexCoord2; \n" + + "varying highp vec2 my_TexCoord3; \n" + + "varying highp vec2 my_TexCoord4; \n" + + "void main() { \n" + + " highp vec2 s1 = vec2(xOffset, yOffset); \n" + + " highp vec2 s2 = vec2(-xOffset, yOffset); \n" + + " highp vec2 tcoord = mix(_normMargins, \n" + + " qt_MultiTexCoord0 - _normMargins, qt_MultiTexCoord0); \n" + + " qt_TexCoord = tcoord + s1; \n" + + " my_TexCoord2 = tcoord - s1; \n" + + " my_TexCoord3 = tcoord + s2; \n" + + " my_TexCoord4 = tcoord - s2; \n" + + " gl_Position = qt_Matrix * qt_Vertex; \n" + "}" property variant source; property real xOffset: 0.5 / width property real yOffset: 0.5 / height + property variant _normMargins: Qt.size(margins.width / (2 * margins.width + width), margins.height / (2 * margins.height + height)) + property variant margins: "margins" in source ? source.margins : Qt.size(0, 0) active: true blending: true - smooth: true - + property variant source } |