82 lines
1.7 KiB
GLSL
82 lines
1.7 KiB
GLSL
#version 450
|
|
#extension GL_ARB_separate_shader_objects : enable
|
|
|
|
layout(set = 0, binding = 0) uniform NodeData
|
|
{
|
|
mat4 world;
|
|
} node;
|
|
|
|
layout(set = 1, binding = 0) uniform CameraData
|
|
{
|
|
mat4 viewProjection;
|
|
mat4 view;
|
|
mat4 projection;
|
|
vec4 camPos;
|
|
float nearPlane;
|
|
float farPlane;
|
|
float width;
|
|
float height;
|
|
float fov;
|
|
float aspect;
|
|
float scaleFactor;
|
|
float pixelScaleFactor;
|
|
} cam;
|
|
|
|
layout(set = 4, binding = 0) uniform LabelData
|
|
{
|
|
vec4 color;
|
|
vec2 textSize;
|
|
vec2 bboxCenter;
|
|
float radius;
|
|
float arrowLength;
|
|
float arrowWidth;
|
|
bool hasRoundedCorners;
|
|
bool hasArrow;
|
|
bool isBillboardFixedSize;
|
|
} labelInfo;
|
|
|
|
layout(location = 0) out vec4 color;
|
|
layout(location = 1) out vec2 textureCoordinates;
|
|
|
|
// Background plane positions are in clipped space
|
|
const vec4 PLANE[4] = vec4[](
|
|
vec4(-0.5, -0.5, 0, 1), vec4(0.5, -0.5, 0, 1), vec4(-0.5, 0.5, 0, 1), vec4(0.5, 0.5, 0, 1)
|
|
);
|
|
|
|
const vec2 TEX_COORDS[4] = vec2[](vec2(0, 0), vec2(1, 0), vec2(0, 1), vec2(1, 1));
|
|
|
|
void main()
|
|
{
|
|
vec4 position = PLANE[gl_VertexIndex];
|
|
position.xy *= labelInfo.textSize;
|
|
position.xy += labelInfo.bboxCenter;
|
|
position.z = - 0.001;
|
|
textureCoordinates = TEX_COORDS[gl_VertexIndex] * labelInfo.textSize;
|
|
|
|
if (!labelInfo.isBillboardFixedSize)
|
|
{
|
|
mat4 mv = cam.view * node.world;
|
|
|
|
mv[0][0] = 1;
|
|
mv[0][1] = 0;
|
|
mv[0][2] = 0;
|
|
|
|
mv[1][0] = 0;
|
|
mv[1][1] = 1;
|
|
mv[1][2] = 0;
|
|
|
|
mv[2][0] = 0;
|
|
mv[2][1] = 0;
|
|
mv[2][2] = 1;
|
|
|
|
gl_Position = cam.projection * mv * vec4(position.xyz, 1);
|
|
}
|
|
else
|
|
{
|
|
vec4 billboardPos = vec4(0.5, 0.5, 0, 1);
|
|
vec4 viewPos = cam.view * node.world * billboardPos;
|
|
float dist = - viewPos.z;
|
|
gl_Position = cam.projection * (viewPos + vec4(position.xy *dist * 0.2, 0, 0));
|
|
}
|
|
}
|