#if defined(IS_REQUIRED_ROUNDED_CORNER) || defined(IS_REQUIRED_BORDERLINE) || defined(IS_REQUIRED_BLUR)
-INPUT mediump vec2 vPosition;
-INPUT mediump vec2 vRectSize;
-INPUT mediump vec2 vOptRectSize;
-INPUT mediump float vAliasMargin;
+INPUT highp vec2 vPosition;
+INPUT highp vec2 vRectSize;
+INPUT highp vec2 vOptRectSize;
+INPUT highp float vAliasMargin;
#ifdef IS_REQUIRED_ROUNDED_CORNER
-INPUT mediump vec4 vCornerRadius;
+INPUT highp vec4 vCornerRadius;
#endif
#endif
uniform lowp vec4 uColor;
uniform lowp vec3 mixColor;
#ifdef IS_REQUIRED_BLUR
-uniform mediump float blurRadius;
+uniform highp float blurRadius;
#elif defined(IS_REQUIRED_BORDERLINE)
-uniform mediump float borderlineWidth;
-uniform mediump float borderlineOffset;
+uniform highp float borderlineWidth;
+uniform highp float borderlineOffset;
uniform lowp vec4 borderlineColor;
uniform lowp vec4 uActorColor;
#endif
// Global values both rounded corner and borderline use
// radius of rounded corner on this quadrant
-mediump float gRadius = 0.0;
+highp float gRadius = 0.0;
// fragment coordinate. NOTE : vec2(0.0, 0.0) is vRectSize, the corner of visual
-mediump vec2 gFragmentPosition = vec2(0.0, 0.0);
+highp vec2 gFragmentPosition = vec2(0.0, 0.0);
// center coordinate of rounded corner circle. vec2(gCenterPosition, gCenterPosition).
-mediump float gCenterPosition = 0.0;
+highp float gCenterPosition = 0.0;
// relative coordinate of gFragmentPosition from gCenterPosition.
-mediump vec2 gDiff = vec2(0.0, 0.0);
+highp vec2 gDiff = vec2(0.0, 0.0);
// potential value what our algorithm use.
-mediump float gPotential = 0.0;
+highp float gPotential = 0.0;
// threshold of potential
-mediump float gPotentialRange = 0.0;
-mediump float gMaxOutlinePotential = 0.0;
-mediump float gMinOutlinePotential = 0.0;
-mediump float gMaxInlinePotential = 0.0;
-mediump float gMinInlinePotential = 0.0;
+highp float gPotentialRange = 0.0;
+highp float gMaxOutlinePotential = 0.0;
+highp float gMinOutlinePotential = 0.0;
+highp float gMaxInlinePotential = 0.0;
+highp float gMinInlinePotential = 0.0;
void calculateCornerRadius()
{
#elif defined(IS_REQUIRED_BORDERLINE)
lowp vec4 convertBorderlineColor(lowp vec4 textureColor)
{
- mediump float potential = gPotential;
+ highp float potential = gPotential;
// default opacity of borderline is 0.0
mediump float borderlineOpacity = 0.0;
// But if borderlineOpacity > 0.0 and borderlineColor.a == 0.0, we need to apply tCornerRadius.
if(borderlineOpacity > 0.0 && borderlineColor.a * borderlineOpacity < 1.0)
{
- mediump float tCornerRadius = -gCenterPosition + gPotentialRange;
- mediump float MaxTexturelinePotential = tCornerRadius + gPotentialRange;
- mediump float MinTexturelinePotential = tCornerRadius - gPotentialRange;
+ highp float tCornerRadius = -gCenterPosition + gPotentialRange;
+ highp float MaxTexturelinePotential = tCornerRadius + gPotentialRange;
+ highp float MinTexturelinePotential = tCornerRadius - gPotentialRange;
if(potential > MaxTexturelinePotential)
{
// potential is out of texture range.
#elif defined(IS_REQUIRED_ROUNDED_CORNER)
mediump float calculateCornerOpacity()
{
- mediump float potential = gPotential;
+ highp float potential = gPotential;
// default opacity is 1.0
mediump float opacity = 1.0;
#endif
#ifdef IS_REQUIRED_BLUR
+#ifdef SL_VERSION_LOW
+// Legacy code for low version glsl
+mediump float calculateBlurOpacity()
+{
+ highp float potential = gPotential;
+
+ highp float alias = min(gRadius, vAliasMargin);
+ highp float potentialMin = gMinOutlinePotential - blurRadius - alias;
+ highp float potentialMax = gMaxOutlinePotential + blurRadius + alias;
+
+ return 1.0 - smoothstep(potentialMin, potentialMax, potential);
+}
+#else
mediump float calculateBlurOpacity()
{
// Don't use borderline!
- mediump vec2 v = gDiff;
- mediump float cy = gRadius + blurRadius;
- mediump float cr = gRadius + blurRadius;
+ highp vec2 v = gDiff;
+ highp float cy = gRadius + blurRadius;
+ highp float cr = gRadius + blurRadius;
#ifdef IS_REQUIRED_ROUNDED_CORNER
// This routine make perfect circle. If corner radius is not exist, we don't consider prefect circle.
v = vec2(min(v.x, v.y), max(v.x, v.y));
v = v + cy;
- mediump float potential = 0.0;
- mediump float alias = min(gRadius, 1.0);
- mediump float potentialMin = cy + gRadius - blurRadius - alias;
- mediump float potentialMax = cy + gRadius + blurRadius + alias;
+ highp float potential = 0.0;
+ highp float alias = min(gRadius, vAliasMargin);
+ highp float potentialMin = cy + gRadius - blurRadius - alias;
+ highp float potentialMax = cy + gRadius + blurRadius + alias;
// move center of circles for reduce defact
- mediump float cyDiff = min(cy, 0.2 * blurRadius);
+ highp float cyDiff = min(cy, 0.2 * blurRadius);
cy -= cyDiff;
cr += cyDiff;
- mediump float diffFromBaseline = cy * v.y - (cy + cr) * v.x;
+ highp float diffFromBaseline = cy * v.y - (cy + cr) * v.x;
if(diffFromBaseline > 0.0)
{
potential = v.y;
// for anti-alias when blurRaidus = 0.0
- mediump float heuristicBaselineScale = max(1.0 , cr * (cr + cy));
- mediump float potentialDiff = min(alias, diffFromBaseline / heuristicBaselineScale);
+ highp float heuristicBaselineScale = max(vAliasMargin , cr * (cr + cy));
+ highp float potentialDiff = min(alias, diffFromBaseline / heuristicBaselineScale);
potentialMin += potentialDiff;
potentialMax -= potentialDiff;
}
// ~= 10.0*(v.x+v.y) * (0.11803399 - 0.44721360x + 0.35777088x^2 - 0.14310x^3 + O(x^5)) (Taylor series)
// ~= -1.0557281 * (v.x + v.y) + 2.236068 * length(v) - ~~~ (here, x <= 0.5 * (1.0 - sqrt(0.5)) < 0.1464467)
// Note : This simplify need cause we should use it on lowspec HW.
- mediump float x = 0.5 * (1.0 - length(v) / (v.x + v.y));
+ highp float x = 0.5 * (1.0 - length(v) / (v.x + v.y));
potential = -1.0557281 * (v.x + v.y) + 2.236068 * length(v) + 10.0 * (v.x + v.y) * (0.35777088 - 0.14310 * x) * x * x;
#endif
}
return 1.0 - smoothstep(potentialMin, potentialMax, potential);
}
#endif
+#endif
void main()
{
projects / platform / core / uifw / dali-toolkit.git / blobdiff