vasilito
b8aac3c9bc
Add secondary_cursors field to Editor with insert_char_multi, delete_back_multi, delete_forward_multi methods. Right-to-left processing ensures position shifts don't corrupt earlier insertions. 7 new tests: add/clear, all_positions, insert, delete_back, delete_forward, unicode, duplicate-add.
47 lines
1.2 KiB
GLSL
47 lines
1.2 KiB
GLSL
#version 440
|
|
|
|
layout(points) in;
|
|
layout(triangle_strip, max_vertices = 14) out;
|
|
|
|
layout(location = 0) in vec4 v_position[];
|
|
layout(location = 1) in vec4 v_color[];
|
|
|
|
layout(location = 0) out vec4 g_color;
|
|
|
|
layout(std140, binding = 1) uniform buf {
|
|
mat4 viewProjection;
|
|
vec3 voxelSpaceSize;
|
|
uint voxelGridSize;
|
|
};
|
|
|
|
// 14 vertices, triangle strip, 0..1
|
|
// See GPU Gems 3 Chapter 6
|
|
vec3 createCube(uint vertex_id)
|
|
{
|
|
uint x = (0x287A >> vertex_id) & 1;
|
|
uint y = (0x02AF >> vertex_id) & 1;
|
|
uint z = (0x31E3 >> vertex_id) & 1;
|
|
return vec3(uvec3(x, y, z));
|
|
}
|
|
|
|
void main()
|
|
{
|
|
if (v_color[0].a > 0.0) {
|
|
for (uint i = 0; i < 14; ++i) {
|
|
g_color = v_color[0];
|
|
gl_Position = v_position[0];
|
|
gl_Position.xyz = (gl_Position.xyz / float(voxelGridSize)) * 2.0 - 1; // -1..1
|
|
gl_Position.xyz *= voxelGridSize; // -64..64
|
|
gl_Position.xyz += (createCube(i) - vec3(0.5)) * 2.0;
|
|
|
|
vec3 worldSpaceUnitsPerVoxel = voxelSpaceSize / float(voxelGridSize);
|
|
gl_Position.xyz *= worldSpaceUnitsPerVoxel;
|
|
|
|
gl_Position = viewProjection * vec4(gl_Position.xyz, 1.0);
|
|
|
|
EmitVertex();
|
|
}
|
|
EndPrimitive();
|
|
}
|
|
}
|