From 83690d45908010b484d3314fd4133d9fff849a92 Mon Sep 17 00:00:00 2001
From: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Date: Thu, 24 Aug 2017 14:50:11 +0200
Subject: [PATCH] mesa: add KHR_no_error support to
 glTransformFeedbackVaryings()

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
---
 src/mapi/glapi/gen/GL3x.xml       |  2 +-
 src/mesa/main/transformfeedback.c | 11 +++++++++++
 src/mesa/main/transformfeedback.h |  5 +++++
 3 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/mapi/glapi/gen/GL3x.xml b/src/mapi/glapi/gen/GL3x.xml
index 3a1bfb8fa2c..750bc023033 100644
--- a/src/mapi/glapi/gen/GL3x.xml
+++ b/src/mapi/glapi/gen/GL3x.xml
@@ -227,7 +227,7 @@
     <param name="buffer" type="GLuint"/>
   </function>
 
-  <function name="TransformFeedbackVaryings" es2="3.0">
+  <function name="TransformFeedbackVaryings" es2="3.0" no_error="true">
     <param name="program" type="GLuint"/>
     <param name="count" type="GLsizei"/>
     <param name="varyings" type="const GLchar * const *"/>
diff --git a/src/mesa/main/transformfeedback.c b/src/mesa/main/transformfeedback.c
index b529834fc70..b79b41d35ef 100644
--- a/src/mesa/main/transformfeedback.c
+++ b/src/mesa/main/transformfeedback.c
@@ -868,6 +868,17 @@ transform_feedback_varyings(struct gl_context *ctx,
 }
 
 
+void GLAPIENTRY
+_mesa_TransformFeedbackVaryings_no_error(GLuint program, GLsizei count,
+                                         const GLchar *const *varyings,
+                                         GLenum bufferMode)
+{
+   GET_CURRENT_CONTEXT(ctx);
+
+   struct gl_shader_program *shProg = _mesa_lookup_shader_program(ctx, program);
+   transform_feedback_varyings(ctx, shProg, count, varyings, bufferMode);
+}
+
 void GLAPIENTRY
 _mesa_TransformFeedbackVaryings(GLuint program, GLsizei count,
                                 const GLchar * const *varyings,
diff --git a/src/mesa/main/transformfeedback.h b/src/mesa/main/transformfeedback.h
index 930c88a1f2b..cc798878b53 100644
--- a/src/mesa/main/transformfeedback.h
+++ b/src/mesa/main/transformfeedback.h
@@ -82,6 +82,11 @@ extern void GLAPIENTRY
 _mesa_BindBufferOffsetEXT(GLenum target, GLuint index, GLuint buffer,
                           GLintptr offset);
 
+void GLAPIENTRY
+_mesa_TransformFeedbackVaryings_no_error(GLuint program, GLsizei count,
+                                         const GLchar *const *varyings,
+                                         GLenum bufferMode);
+
 extern void GLAPIENTRY
 _mesa_TransformFeedbackVaryings(GLuint program, GLsizei count,
                                 const GLchar * const *varyings,
-- 
2.30.2