From 789cc87063c0cbb20941053b54fcbe4862912a14 Mon Sep 17 00:00:00 2001
From: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Date: Mon, 17 Jul 2017 22:47:38 +0200
Subject: [PATCH] mesa: add KHR_no_error support to glPatchParameteri()

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
---
 src/mapi/glapi/gen/ARB_tessellation_shader.xml | 2 +-
 src/mesa/main/shaderapi.c                      | 8 ++++++++
 src/mesa/main/shaderapi.h                      | 3 +++
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/mapi/glapi/gen/ARB_tessellation_shader.xml b/src/mapi/glapi/gen/ARB_tessellation_shader.xml
index e26f227b618..d0b03750eaf 100644
--- a/src/mapi/glapi/gen/ARB_tessellation_shader.xml
+++ b/src/mapi/glapi/gen/ARB_tessellation_shader.xml
@@ -50,7 +50,7 @@
     <enum value="0x8E8A" name="MAX_TESS_EVALUATION_UNIFORM_BLOCKS"/>
     <enum value="0x8221" name="PRIMITIVE_RESTART_FOR_PATCHES_SUPPORTED"/>
 
-    <function name="PatchParameteri" es2="3.2">
+    <function name="PatchParameteri" es2="3.2" no_error="true">
         <param name="pname" type="GLenum"/>
         <param name="value" type="GLint"/>
     </function>
diff --git a/src/mesa/main/shaderapi.c b/src/mesa/main/shaderapi.c
index 84189f0719f..924423ee692 100644
--- a/src/mesa/main/shaderapi.c
+++ b/src/mesa/main/shaderapi.c
@@ -2348,6 +2348,14 @@ _mesa_CreateShaderProgramv(GLenum type, GLsizei count,
 /**
  * For GL_ARB_tessellation_shader
  */
+void GLAPIENTRY
+_mesa_PatchParameteri_no_error(GLenum pname, GLint value)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   ctx->TessCtrlProgram.patch_vertices = value;
+}
+
+
 extern void GLAPIENTRY
 _mesa_PatchParameteri(GLenum pname, GLint value)
 {
diff --git a/src/mesa/main/shaderapi.h b/src/mesa/main/shaderapi.h
index b7ba7ab84a6..fad584506cb 100644
--- a/src/mesa/main/shaderapi.h
+++ b/src/mesa/main/shaderapi.h
@@ -305,6 +305,9 @@ _mesa_get_program_resourceiv(struct gl_shader_program *shProg,
                              GLint *params);
 
 /* GL_ARB_tessellation_shader */
+void GLAPIENTRY
+_mesa_PatchParameteri_no_error(GLenum pname, GLint value);
+
 extern void GLAPIENTRY
 _mesa_PatchParameteri(GLenum pname, GLint value);