mesa: add KHR_no_error support to glLinkProgram()

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>

src/mapi/glapi/gen/gl_API.xml

@@ -5492,7 +5492,7 @@
         <glx ignore="true"/>
     </function>
 
-    <function name="LinkProgram" es2="2.0">
+    <function name="LinkProgram" es2="2.0" no_error="true">
         <param name="program" type="GLuint"/>
         <glx ignore="true"/>
     </function>

src/mesa/main/shaderapi.c

@@ -1242,6 +1242,13 @@ link_program_error(struct gl_context *ctx, struct gl_shader_program *shProg)
 }
 
 
+static void
+link_program_no_error(struct gl_context *ctx, struct gl_shader_program *shProg)
+{
+   link_program(ctx, shProg, true);
+}
+
+
 void
 _mesa_link_program(struct gl_context *ctx, struct gl_shader_program *shProg)
 {
@@ -1702,6 +1709,17 @@ _mesa_IsShader(GLuint name)
 }
 
 
+void GLAPIENTRY
+_mesa_LinkProgram_no_error(GLuint programObj)
+{
+   GET_CURRENT_CONTEXT(ctx);
+
+   struct gl_shader_program *shProg =
+      _mesa_lookup_shader_program(ctx, programObj);
+   link_program_no_error(ctx, shProg);
+}
+
+
 void GLAPIENTRY
 _mesa_LinkProgram(GLuint programObj)
 {

src/mesa/main/shaderapi.h

@@ -131,6 +131,9 @@ _mesa_IsProgram(GLuint name);
 extern GLboolean GLAPIENTRY
 _mesa_IsShader(GLuint name);
 
+void GLAPIENTRY
+_mesa_LinkProgram_no_error(GLuint programObj);
+
 extern void GLAPIENTRY
 _mesa_LinkProgram(GLuint programObj);