From 425911d07fc8c3bb899226a1355c38a166b5e1de Mon Sep 17 00:00:00 2001 From: Alexandru Croitor Date: Thu, 12 Aug 2021 11:24:12 +0200 Subject: Remove qtgraphicaleffects sources and add note about its state in Qt 6 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add a README.md mentioning the documentation on where the ported effects can be found, as well as how to check out the Qt5 branch. Pick-to: 6.2 Fixes: QTBUG-95757 Change-Id: Ib47c7e73f8622c8e287df0f74c6f16a5113b357e Reviewed-by: Tor Arne Vestbø Reviewed-by: Volker Hilsheimer --- src/effects/shaders_ng/displace.frag | 39 ------------------------------------ 1 file changed, 39 deletions(-) delete mode 100644 src/effects/shaders_ng/displace.frag (limited to 'src/effects/shaders_ng/displace.frag') diff --git a/src/effects/shaders_ng/displace.frag b/src/effects/shaders_ng/displace.frag deleted file mode 100644 index df6bc78..0000000 --- a/src/effects/shaders_ng/displace.frag +++ /dev/null @@ -1,39 +0,0 @@ -#version 440 - -layout(location = 0) in vec2 qt_TexCoord0; -layout(location = 0) out vec4 fragColor; - -layout(std140, binding = 0) uniform buf { - // qt_Matrix and qt_Opacity must always be both present - // if the built-in vertex shader is used. - mat4 qt_Matrix; - float qt_Opacity; - float displacement; - float xPixel; - float yPixel; -}; - -layout(binding = 1) uniform sampler2D source; -layout(binding = 2) uniform sampler2D displacementSource; - -float linearstep(float e0, float e1, float x) -{ - return clamp((x - e0) / (e1 - e0), 0.0, 1.0); -} - -void main() -{ - vec4 offset = texture(displacementSource, qt_TexCoord0); - offset.xy -= vec2(0.5, 0.5); - offset.xy = offset.xy * step(vec2(1.0/256.0), abs(offset.xy)); - vec2 tx = qt_TexCoord0 + (vec2(-offset.x, offset.y) * displacement); - - float e1 = linearstep(0.0, xPixel, tx.x); - float e2 = linearstep(0.0, yPixel, tx.y); - float e3 = 1.0 - linearstep(1.0, 1.0 + xPixel, tx.x); - float e4 = 1.0 - linearstep(1.0, 1.0 + yPixel, tx.y); - - vec4 samp = texture(source, tx); - samp.rgb *= e1 * e2 * e3 * e4; - fragColor = samp * qt_Opacity * offset.a; -} -- cgit v1.2.3