Mesa (master): mesa: add KHR_no_error support to glTransformFeedbackVaryings()

[Samuel Pitoiset]

Module: Mesa
Branch: master
Commit: 83690d45908010b484d3314fd4133d9fff849a92
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=83690d45908010b484d3314fd4133d9fff849a92

Author: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Date:   Thu Aug 24 14:50:11 2017 +0200

mesa: add KHR_no_error support to glTransformFeedbackVaryings()

Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Reviewed-by: Timothy Arceri <tarceri at 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 3a1bfb8fa2..750bc02303 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 b529834fc7..b79b41d35e 100644
--- a/src/mesa/main/transformfeedback.c
+++ b/src/mesa/main/transformfeedback.c
@@ -869,6 +869,17 @@ 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,
                                 GLenum bufferMode)
diff --git a/src/mesa/main/transformfeedback.h b/src/mesa/main/transformfeedback.h
index 930c88a1f2..cc798878b5 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,