Add basic support for geometry shaders

[libs/gl.git] / source / shader.cpp

diff --git a/source/shader.cpp b/source/shader.cpp
index 1b3455f1aa91270c810d0494ac80c3e80b7fe051..17bf3fad3196ad08b735669bda32f72bf2212a92 100644 (file)
--- a/source/shader.cpp
+++ b/source/shader.cpp
@@ -1,6 +1,7 @@
 #include <msp/gl/extensions/arb_fragment_shader.h>
 #include <msp/gl/extensions/arb_shader_objects.h>
 #include <msp/gl/extensions/arb_vertex_shader.h>
+#include <msp/gl/extensions/ext_geometry_shader4.h>
 #include "error.h"
 #include "misc.h"
 #include "shader.h"
@@ -31,6 +32,8 @@ void Shader::init(GLenum t)
                static Require _req(ARB_fragment_shader);
        else if(t==GL_VERTEX_SHADER)
                static Require _req(ARB_vertex_shader);
+       else if(t==GL_GEOMETRY_SHADER)
+               static Require _req(EXT_geometry_shader4);
 
        id = glCreateShader(t);
 }
@@ -91,5 +94,14 @@ FragmentShader::FragmentShader(const string &src):
        Shader(GL_FRAGMENT_SHADER, src)
 { }
 
+
+GeometryShader::GeometryShader():
+       Shader(GL_GEOMETRY_SHADER)
+{ }
+
+GeometryShader::GeometryShader(const string &src):
+       Shader(GL_GEOMETRY_SHADER, src)
+{ }
+
 } // namespace GL
 } // namespace Msp