实线画出来了。

shaders/texture_loading/glsl/point_line.frag

@@ -3,7 +3,7 @@
 layout(location = 0) in vec3 fragColor;
 layout(location = 1) in vec3 fragSegmentStart;
 layout(location = 2) in vec3 fragSegmentEnd;
-layout(location = 3) in vec3 fragWorldPos;
+//layout(location = 3) in vec3 fragWorldPos;
 
 layout(location = 0) out vec4 outColor;
 
@@ -56,9 +56,12 @@ void main() {
                              currentPos);
     
     // 如果alpha接近0，直接丢弃片元
-    if (alpha < 0.01) {
-        discard;
-    }
     
-    outColor = vec4(fragColor, alpha);
+    // if (alpha < 0.01) {
+    //     discard;
+    // }
+    
+    // outColor = vec4(fragColor, alpha);
+
+    outColor = vec4(1, 0, 0, 1.0);
 }

shaders/texture_loading/glsl/point_line_solid.frag

@@ -0,0 +1,11 @@
+#version 450
+
+layout(location = 0) in vec3 fragColor;
+
+
+layout(location = 0) out vec4 outColor;
+
+
+void main() {
+    outColor = vec4(1, 0, 0, 1.0);
+}

shaders/texture_loading/glsl/point_line_solid.vert

@@ -0,0 +1,23 @@
+#version 450
+
+layout(location = 0) in vec3 inPosition;
+layout(location = 1) in vec3 inColor;
+layout(location = 2) in vec3 inLineStart;
+layout(location = 3) in vec3 inLineEnd;
+
+layout(location = 0) out vec3 fragColor;
+
+layout(binding = 0) uniform UniformBufferObject {
+    mat4 proj;
+    mat4 model;
+    mat4 view;
+} ubo;
+
+void main() {
+    //mat4 worldviewproj = ubo.proj * ubo.view * ubo.model;
+    mat4 mvp = ubo.proj * ubo.view * ubo.model;
+    //gl_Position = worldviewproj * vec4(inPosition, 1.0);
+    gl_Position = mvp * vec4(inPosition, 1.0);
+    
+    fragColor = inColor;
+}