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-rw-r--r--src/quick/scenegraph/qsgdefaultimagenode.cpp16
-rw-r--r--src/quick/scenegraph/qsgdefaultrectanglenode.cpp16
2 files changed, 24 insertions, 8 deletions
diff --git a/src/quick/scenegraph/qsgdefaultimagenode.cpp b/src/quick/scenegraph/qsgdefaultimagenode.cpp
index b165b2db12..d9c04e1959 100644
--- a/src/quick/scenegraph/qsgdefaultimagenode.cpp
+++ b/src/quick/scenegraph/qsgdefaultimagenode.cpp
@@ -159,8 +159,12 @@ const char *SmoothTextureMaterialShader::vertexShader() const
" highp vec2 dir = delta.xy * pos.w - pos.xy * delta.w; \n"
" highp vec2 ndir = .5 * pixelSize * normalize(dir / pixelSize); \n"
" dir -= ndir * delta.w * pos.w; \n"
- " highp float scale = min(1., dot(dir, ndir * pos.w * pos.w) / dot(dir, dir)); \n"
- " if (scale < 0.) scale = 1.; \n"
+ " highp float numerator = dot(dir, ndir * pos.w * pos.w); \n"
+ " highp float scale = 0.0; \n"
+ " if (numerator < 0.0) \n"
+ " scale = 1.0; \n"
+ " else \n"
+ " scale = min(1.0, numerator / dot(dir, dir)); \n"
" gl_Position += scale * delta; \n"
" texCoord.x += scale * texCoordOffset.x; \n"
" } \n"
@@ -170,8 +174,12 @@ const char *SmoothTextureMaterialShader::vertexShader() const
" highp vec2 dir = delta.xy * pos.w - pos.xy * delta.w; \n"
" highp vec2 ndir = .5 * pixelSize * normalize(dir / pixelSize); \n"
" dir -= ndir * delta.w * pos.w; \n"
- " highp float scale = min(1., dot(dir, ndir * pos.w * pos.w) / dot(dir, dir)); \n"
- " if (scale < 0.) scale = 1.; \n"
+ " highp float numerator = dot(dir, ndir * pos.w * pos.w); \n"
+ " highp float scale = 0.0; \n"
+ " if (numerator < 0.0) \n"
+ " scale = 1.0; \n"
+ " else \n"
+ " scale = min(1.0, numerator / dot(dir, dir)); \n"
" gl_Position += scale * delta; \n"
" texCoord.y += scale * texCoordOffset.y; \n"
" } \n"
diff --git a/src/quick/scenegraph/qsgdefaultrectanglenode.cpp b/src/quick/scenegraph/qsgdefaultrectanglenode.cpp
index 2da8e3cd83..dab855064e 100644
--- a/src/quick/scenegraph/qsgdefaultrectanglenode.cpp
+++ b/src/quick/scenegraph/qsgdefaultrectanglenode.cpp
@@ -175,8 +175,12 @@ const char *SmoothColorMaterialShader::vertexShader() const
" highp vec2 dir = delta.xy * pos.w - pos.xy * delta.w; \n"
" highp vec2 ndir = .5 * pixelSize * normalize(dir / pixelSize); \n"
" dir -= ndir * delta.w * pos.w; \n"
- " highp float scale = min(1., dot(dir, ndir * pos.w * pos.w) / dot(dir, dir)); \n"
- " if (scale < 0.) scale = 1.; \n"
+ " highp float numerator = dot(dir, ndir * pos.w * pos.w); \n"
+ " highp float scale = 0.0; \n"
+ " if (numerator < 0.0) \n"
+ " scale = 1.0; \n"
+ " else \n"
+ " scale = min(1.0, numerator / dot(dir, dir)); \n"
" gl_Position += scale * delta; \n"
" } \n"
@@ -185,8 +189,12 @@ const char *SmoothColorMaterialShader::vertexShader() const
" highp vec2 dir = delta.xy * pos.w - pos.xy * delta.w; \n"
" highp vec2 ndir = .5 * pixelSize * normalize(dir / pixelSize); \n"
" dir -= ndir * delta.w * pos.w; \n"
- " highp float scale = min(1., dot(dir, ndir * pos.w * pos.w) / dot(dir, dir)); \n"
- " if (scale < 0.) scale = 1.; \n"
+ " highp float numerator = dot(dir, ndir * pos.w * pos.w); \n"
+ " highp float scale = 0.0; \n"
+ " if (numerator < 0.0) \n"
+ " scale = 1.0; \n"
+ " else \n"
+ " scale = min(1.0, numerator / dot(dir, dir)); \n"
" gl_Position += scale * delta; \n"
" } \n"