Reorganise shaders

2021-03-21 12:50:27 +01:00
parent a8ebf2f7f1
commit cf5a8b3e1b
32 changed files with 22 additions and 60 deletions
@@ -0,0 +1,31 @@
+#version 430 core
+layout (triangles) in;
+layout (triangle_strip, max_vertices = 4) out;
+in vec4 vCol[];
+out vec4 gColorC;
+out vec4 gColorE;
+out vec2 gBoundingBox;
+
+void main()
+{
+  vec3 pa = gl_in[0].gl_Position.xyz;
+  vec3 pb = gl_in[1].gl_Position.xyz;
+  vec3 pc = gl_in[2].gl_Position.xyz;
+  gColorC = vCol[0];
+  gColorE = vCol[1];
+
+  gBoundingBox = vec2 (-1,1);
+  gl_Position = vec4 (pb, 1);
+  EmitVertex();
+  gBoundingBox = vec2 (1,1);
+  gl_Position = vec4 (pa, 1);
+  EmitVertex();
+  gBoundingBox = vec2 (-1,-1);
+  gl_Position = vec4 (pc, 1);
+  EmitVertex();
+  gBoundingBox = vec2 (1,-1);
+  gl_Position = vec4 (pa + pc - pb, 1);
+  EmitVertex();
+
+  EndPrimitive();
+}