Add shader programs to be tracked

2021-02-15 14:10:41 +01:00
parent 9f4497fb39
commit e8b4f8791b
8 changed files with 136 additions and 0 deletions
@@ -0,0 +1,36 @@
+#version 430 core
+layout (points) in;
+layout (triangle_strip, max_vertices = 4) out;
+in vec4 vColor [];
+in vec2 vTexCoord [];
+out vec4 gColor;
+out vec2 gTex;
+void main()
+{
+  vec3 cenPos = gl_in[0].gl_Position.xyz;
+  float size = vTexCoord[0].y;
+  //float size = 0.05;
+  gColor = vColor[0];
+  float texPos = vTexCoord[0].x;
+
+  gl_Position = vec4 (cenPos.x - size*0.5, cenPos.y - size, cenPos.z , 1);
+  //gl_Position = vec4 (0, 0 , 5 , 1);
+  gTex = vec2 (texPos*0.0078125, 1);
+  EmitVertex();
+  gl_Position = vec4 (cenPos.x - size*0.5, cenPos.y + size, cenPos.z , 1);
+  //gl_Position = vec4 (0, 0.5 , 5 , 1);
+  gTex = vec2 (texPos*0.0078125, 0);
+  EmitVertex();
+  gl_Position = vec4 (cenPos.x + size*0.5, cenPos.y - size, cenPos.z , 1);
+  //gl_Position = vec4 (0.5, 0.5 , -5 , 1);
+  gTex = vec2 ((texPos+1)*0.0078125, 1);
+  EmitVertex();
+  gl_Position = vec4 (cenPos.x + size*0.5, cenPos.y + size, cenPos.z , 1);
+  gTex = vec2 ((texPos+1)*0.0078125, 0);
+  //gl_Position = vec4 (0.5, 0 , -5 , 1);
+  EmitVertex();
+
+
+  EndPrimitive();
+
+}