static-blur: remove unnecessary scale uniform from the shader

src/blur.cpp

@@ -116,7 +116,6 @@ BlurEffect::BlurEffect()
         m_texture.textureSizeLocation = m_texture.shader->uniformLocation("textureSize");
         m_texture.texStartPosLocation = m_texture.shader->uniformLocation("texStartPos");
         m_texture.blurSizeLocation = m_texture.shader->uniformLocation("blurSize");
-        m_texture.scaleLocation = m_texture.shader->uniformLocation("scale");
         m_texture.topCornerRadiusLocation = m_texture.shader->uniformLocation("topCornerRadius");
         m_texture.bottomCornerRadiusLocation = m_texture.shader->uniformLocation("bottomCornerRadius");
         m_texture.antialiasingLocation = m_texture.shader->uniformLocation("antialiasing");
@@ -985,14 +984,13 @@ void BlurEffect::blur(BlurRenderData &renderInfo, const RenderTarget &renderTarg
 
         QRectF screenGeometry;
         if (m_currentScreen) {
-            screenGeometry = m_currentScreen->geometryF();
+            screenGeometry = scaledRect(m_currentScreen->geometryF(), viewport.scale());
         }
 
         m_texture.shader->setUniform(m_texture.mvpMatrixLocation, projectionMatrix);
         m_texture.shader->setUniform(m_texture.textureSizeLocation, QVector2D(staticBlurTexture->size().width(), staticBlurTexture->size().height()));
-        m_texture.shader->setUniform(m_texture.texStartPosLocation, QVector2D(backgroundRect.x() - screenGeometry.x(), backgroundRect.y() - screenGeometry.y()));
-        m_texture.shader->setUniform(m_texture.blurSizeLocation, QVector2D(backgroundRect.width(), backgroundRect.height()));
-        m_texture.shader->setUniform(m_texture.scaleLocation, (float)viewport.scale());
+        m_texture.shader->setUniform(m_texture.texStartPosLocation, QVector2D(deviceBackgroundRect.x() - screenGeometry.x(), deviceBackgroundRect.y() - screenGeometry.y()));
+        m_texture.shader->setUniform(m_texture.blurSizeLocation, QVector2D(deviceBackgroundRect.width(), deviceBackgroundRect.height()));
         m_texture.shader->setUniform(m_texture.topCornerRadiusLocation, topCornerRadius);
         m_texture.shader->setUniform(m_texture.bottomCornerRadiusLocation, bottomCornerRadius);
         m_texture.shader->setUniform(m_texture.antialiasingLocation, m_settings.roundedCorners.antialiasing);

src/blur.h

@@ -169,7 +169,6 @@ public Q_SLOTS:
         int mvpMatrixLocation;
         int textureSizeLocation;
         int texStartPosLocation;
-        int scaleLocation;
 
         int topCornerRadiusLocation;
         int bottomCornerRadiusLocation;

src/shaders/texture.glsl

@@ -3,12 +3,11 @@
 uniform sampler2D texUnit;
 uniform vec2 textureSize;
 uniform vec2 texStartPos;
-uniform float scale;
 
 varying vec2 uv;
 
 void main(void)
 {
-    vec2 tex = (texStartPos.xy + vec2(uv.x, 1.0 - uv.y) * blurSize) / textureSize * scale;
+    vec2 tex = (texStartPos.xy + vec2(uv.x, 1.0 - uv.y) * blurSize) / textureSize;
     gl_FragColor = roundedRectangle(uv * blurSize, texture2D(texUnit, tex).rgb);
 }

src/shaders/texture_core.glsl

@@ -5,14 +5,13 @@
 uniform sampler2D texUnit;
 uniform vec2 textureSize;
 uniform vec2 texStartPos;
-uniform float scale;
 
 in vec2 uv;
 
 out vec4 fragColor;
 
 void main(void)
 {
-    vec2 tex = (texStartPos.xy + vec2(uv.x, 1.0 - uv.y) * blurSize) / textureSize * scale;
+    vec2 tex = (texStartPos.xy + vec2(uv.x, 1.0 - uv.y) * blurSize) / textureSize;
     fragColor = roundedRectangle(uv * blurSize, texture(texUnit, tex).rgb);
 }