mesa: add KHR_no_error support to glSampleMaski()

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

src/mapi/glapi/gen/ARB_texture_multisample.xml

@@ -59,7 +59,7 @@
       <param name="val" type="GLfloat *"/>
    </function>
 
-   <function name="SampleMaski" es2="3.1">
+   <function name="SampleMaski" es2="3.1" no_error="true">
       <param name="index" type="GLuint"/>
       <param name="mask" type="GLbitfield"/>
    </function>

src/mesa/main/multisample.c

@@ -116,6 +116,13 @@ sample_maski(struct gl_context *ctx, GLuint index, GLbitfield mask)
    ctx->Multisample.SampleMaskValue = mask;
 }
 
+void GLAPIENTRY
+_mesa_SampleMaski_no_error(GLuint index, GLbitfield mask)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   sample_maski(ctx, index, mask);
+}
+
 void GLAPIENTRY
 _mesa_SampleMaski(GLuint index, GLbitfield mask)
 {

src/mesa/main/multisample.h

@@ -41,6 +41,9 @@ _mesa_init_multisample(struct gl_context *ctx);
 extern void GLAPIENTRY
 _mesa_GetMultisamplefv(GLenum pname, GLuint index, GLfloat* val);
 
+void GLAPIENTRY
+_mesa_SampleMaski_no_error(GLuint index, GLbitfield mask);
+
 extern void GLAPIENTRY
 _mesa_SampleMaski(GLuint index, GLbitfield mask);