53 lines
1.4 KiB
Text
53 lines
1.4 KiB
Text
|
layout (location = 0) in vec3 a_position;
|
||
|
|
layout (location = 1) in vec2 a_normal;
|
||
|
|
layout (location = 2) in vec2 a_colorTexCoords;
|
||
|
|
layout (location = 3) in vec3 a_length;
|
||
|
|
|
||
|
|
#ifdef ENABLE_VTF
|
||
|
|
layout (location = 0) out LOW_P vec4 v_color;
|
||
|
|
#else
|
||
|
|
layout (location = 1) out vec2 v_colorTexCoord;
|
||
|
|
#endif
|
||
|
|
layout (location = 2) out float v_lengthY;
|
||
|
|
|
||
|
|
layout (binding = 0) uniform UBO
|
||
|
|
{
|
||
|
|
mat4 u_modelView;
|
||
|
|
mat4 u_projection;
|
||
|
|
mat4 u_pivotTransform;
|
||
|
|
vec4 u_position;
|
||
|
|
vec2 u_lineParams;
|
||
|
|
float u_accuracy;
|
||
|
|
float u_zScale;
|
||
|
|
float u_opacity;
|
||
|
|
float u_azimut;
|
||
|
|
};
|
||
|
|
|
||
|
|
#ifdef ENABLE_VTF
|
||
|
|
layout (binding = 1) uniform sampler2D u_colorTex;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
const float kAntialiasingThreshold = 0.92;
|
||
|
|
|
||
|
|
void main()
|
||
|
|
{
|
||
|
|
vec2 transformedAxisPos = (vec4(a_position.xy, 0.0, 1.0) * u_modelView).xy;
|
||
|
|
vec2 len = vec2(a_length.x, a_length.z);
|
||
|
|
if (dot(a_normal, a_normal) != 0.0)
|
||
|
|
{
|
||
|
|
vec2 norm = a_normal * u_lineParams.x;
|
||
|
|
transformedAxisPos = calcLineTransformedAxisPos(transformedAxisPos, a_position.xy + norm,
|
||
|
|
u_modelView, length(norm));
|
||
|
|
if (u_lineParams.y != 0.0)
|
||
|
|
len = vec2(a_length.x + a_length.y * u_lineParams.y, a_length.z);
|
||
|
|
}
|
||
|
|
#ifdef ENABLE_VTF
|
||
|
|
v_color = texture(u_colorTex, a_colorTexCoords);
|
||
|
|
#else
|
||
|
|
v_colorTexCoord = a_colorTexCoords;
|
||
|
|
#endif
|
||
|
|
v_lengthY = len.y;
|
||
|
|
vec4 pos = vec4(transformedAxisPos, a_position.z, 1.0) * u_projection;
|
||
|
|
gl_Position = applyPivotTransform(pos, u_pivotTransform, 0.0);
|
||
|
|
}
|