diff options
Diffstat (limited to 'chart2/opengl/symbolFragmentShader.glsl')
| -rw-r--r-- | chart2/opengl/symbolFragmentShader.glsl | 61 |
1 files changed, 57 insertions, 4 deletions
diff --git a/chart2/opengl/symbolFragmentShader.glsl b/chart2/opengl/symbolFragmentShader.glsl index a84d83cfba48..2837f958af29 100644 --- a/chart2/opengl/symbolFragmentShader.glsl +++ b/chart2/opengl/symbolFragmentShader.glsl @@ -6,17 +6,70 @@ * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ -# + #version 120 varying vec4 fragmentColor; +uniform int shape; void main() { vec2 p = gl_PointCoord * 2.0 - vec2(1.0); // (0,0) in the center - if (abs(p.x) < abs(p.y)) - discard; - + if(shape == 0) + { + } + else if(shape == 1) //diamon + { + if (abs(p.x) + abs(p.y) > 1) + discard; + } + else if(shape == 2) // arrow + { + if(p.y < 0 && (abs(p.x) + abs(p.y)) > 1) + discard; + else if(p.y > 0 && abs(p.x) > 0.5) + discard; + } + else if(shape == 3) //arrow up + { + if(p.y > 0 && (abs(p.x) + abs(p.y)) > 1) + discard; + else if(p.y < 0 && abs(p.x) > 0.5) + discard; + } + else if(shape == 4) + { + if(p.x > 0 && (abs(p.x) + abs(p.y)) > 1) + discard; + else if(p.x < 0 && abs(p.y) > 0.5) + discard; + } + else if(shape == 5) + { + if(p.x < 0 && (abs(p.x) + abs(p.y)) > 1) + discard; + else if(p.x > 0 && abs(p.y) > 0.5) + discard; + } + else if(shape == 6) + { + if(abs(p.x) < abs(p.y)) + discard; + } + else if(shape == 7) + { + if(abs(p.y) < abs(p.x)) + discard; + } + else if(shape == 8) + { + if(dot(p.x, p.y) > 1) + discard; + } + else if(shape == 9) + { + } + gl_FragColor = fragmentColor; } |