diff options
Diffstat (limited to 'src/quick/items/shaders')
-rw-r--r-- | src/quick/items/shaders/lineargradient.frag | 9 | ||||
-rw-r--r-- | src/quick/items/shaders/lineargradient.vert | 15 | ||||
-rw-r--r-- | src/quick/items/shaders/lineargradient_core.frag | 12 | ||||
-rw-r--r-- | src/quick/items/shaders/lineargradient_core.vert | 17 |
4 files changed, 53 insertions, 0 deletions
diff --git a/src/quick/items/shaders/lineargradient.frag b/src/quick/items/shaders/lineargradient.frag new file mode 100644 index 0000000000..7f4a739109 --- /dev/null +++ b/src/quick/items/shaders/lineargradient.frag @@ -0,0 +1,9 @@ +uniform sampler2D gradTabTexture; +uniform highp float opacity; + +varying highp float gradTabIndex; + +void main() +{ + gl_FragColor = texture2D(gradTabTexture, vec2(gradTabIndex, 0.5)) * opacity; +} diff --git a/src/quick/items/shaders/lineargradient.vert b/src/quick/items/shaders/lineargradient.vert new file mode 100644 index 0000000000..eb21b8886b --- /dev/null +++ b/src/quick/items/shaders/lineargradient.vert @@ -0,0 +1,15 @@ +attribute vec4 vertexCoord; +attribute vec4 vertexColor; + +uniform mat4 matrix; +uniform vec2 gradStart; +uniform vec2 gradEnd; + +varying float gradTabIndex; + +void main() +{ + vec2 gradVec = gradEnd - gradStart; + gradTabIndex = dot(gradVec, vertexCoord.xy - gradStart) / (gradVec.x * gradVec.x + gradVec.y * gradVec.y); + gl_Position = matrix * vertexCoord; +} diff --git a/src/quick/items/shaders/lineargradient_core.frag b/src/quick/items/shaders/lineargradient_core.frag new file mode 100644 index 0000000000..5908acfa67 --- /dev/null +++ b/src/quick/items/shaders/lineargradient_core.frag @@ -0,0 +1,12 @@ +#version 150 core + +uniform sampler2D gradTabTexture; +uniform float opacity; + +in float gradTabIndex; +out vec4 fragColor; + +void main() +{ + fragColor = texture(gradTabTexture, vec2(gradTabIndex, 0.5)) * opacity; +} diff --git a/src/quick/items/shaders/lineargradient_core.vert b/src/quick/items/shaders/lineargradient_core.vert new file mode 100644 index 0000000000..60b56f38e3 --- /dev/null +++ b/src/quick/items/shaders/lineargradient_core.vert @@ -0,0 +1,17 @@ +#version 150 core + +in vec4 vertexCoord; +in vec4 vertexColor; + +uniform mat4 matrix; +uniform vec2 gradStart; +uniform vec2 gradEnd; + +out float gradTabIndex; + +void main() +{ + vec2 gradVec = gradEnd - gradStart; + gradTabIndex = dot(gradVec, vertexCoord.xy - gradStart) / (gradVec.x * gradVec.x + gradVec.y * gradVec.y); + gl_Position = matrix * vertexCoord; +} |