building standalone compute shaders

32be141c · Tim Übelhör · 7668c45d · 32be141c
Commit 32be141c authored Mar 04, 2019 by Tim Übelhör
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Showing with 8 additions and 2 deletions

src/shader/shader_builder.cpp src/shader/shader_builder.cpp +8 -2

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--- a/src/shader/shader_builder.cpp
+++ b/src/shader/shader_builder.cpp
@@ -44,8 +44,14 @@ Shader ShaderBuilder::build()
 {
  // shader program
  GLuint program_id = glCreateProgram();
-  glAttachShader(program_id, vertex_shader);
-  glAttachShader(program_id, fragment_shader);
+  if (vertex_shader != 0)
+  {
+    glAttachShader(program_id, vertex_shader);
+  }
+  if (fragment_shader != 0)
+  {
+    glAttachShader(program_id, fragment_shader);
+  }
  if (geometry_shader != 0)
  {
    glAttachShader(program_id, geometry_shader);