diff options
Diffstat (limited to 'src/quick/scenegraph/shaders/hiqsubpixeldistancefieldtext_core.vert')
-rw-r--r-- | src/quick/scenegraph/shaders/hiqsubpixeldistancefieldtext_core.vert | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/src/quick/scenegraph/shaders/hiqsubpixeldistancefieldtext_core.vert b/src/quick/scenegraph/shaders/hiqsubpixeldistancefieldtext_core.vert deleted file mode 100644 index 936f74725b..0000000000 --- a/src/quick/scenegraph/shaders/hiqsubpixeldistancefieldtext_core.vert +++ /dev/null @@ -1,36 +0,0 @@ -#version 150 core - -in vec4 vCoord; -in vec2 tCoord; - -out vec2 sampleCoord; -out vec3 sampleFarLeft; -out vec3 sampleNearLeft; -out vec3 sampleNearRight; -out vec3 sampleFarRight; - -uniform mat4 matrix; -uniform vec2 textureScale; -uniform float fontScale; -uniform vec4 vecDelta; - -void main() -{ - sampleCoord = tCoord * textureScale; - gl_Position = matrix * vCoord; - - // Calculate neighbor pixel position in item space. - vec3 wDelta = gl_Position.w * vecDelta.xyw; - vec3 farLeft = vCoord.xyw - 0.667 * wDelta; - vec3 nearLeft = vCoord.xyw - 0.333 * wDelta; - vec3 nearRight = vCoord.xyw + 0.333 * wDelta; - vec3 farRight = vCoord.xyw + 0.667 * wDelta; - - // Calculate neighbor texture coordinate. - vec2 scale = textureScale / fontScale; - vec2 base = sampleCoord - scale * vCoord.xy; - sampleFarLeft = vec3(base * farLeft.z + scale * farLeft.xy, farLeft.z); - sampleNearLeft = vec3(base * nearLeft.z + scale * nearLeft.xy, nearLeft.z); - sampleNearRight = vec3(base * nearRight.z + scale * nearRight.xy, nearRight.z); - sampleFarRight = vec3(base * farRight.z + scale * farRight.xy, farRight.z); -}
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