From 6a66492f83ef801629416db97c1dda855aca5d7b Mon Sep 17 00:00:00 2001
From: babymustgrowstrong <babymustgrowstrong@yahoo.com>
Date: Sat, 13 May 2017 15:49:08 -0700
Subject: [PATCH] GL_OES_tessellation_shader and GL_EXT_tessellation_shader
 support

---
 renderdoc/driver/gl/gl_driver.cpp     | 6 ++++--
 renderdoc/driver/gl/gl_hookset.h      | 2 +-
 renderdoc/driver/gl/gl_hookset_defs.h | 2 ++
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/renderdoc/driver/gl/gl_driver.cpp b/renderdoc/driver/gl/gl_driver.cpp
index fdc339f2c..256912bf9 100644
--- a/renderdoc/driver/gl/gl_driver.cpp
+++ b/renderdoc/driver/gl/gl_driver.cpp
@@ -735,15 +735,16 @@ void WrappedOpenGL::BuildGLESExtensions()
   m_GLESExtensions.push_back("GL_OES_gpu_shader5");
   m_GLESExtensions.push_back("GL_OES_rgb8_rgba8");
   m_GLESExtensions.push_back("GL_OES_mapbuffer");
+  m_GLESExtensions.push_back("GL_OES_sample_shading");
   m_GLESExtensions.push_back("GL_OES_standard_derivatives");
+  m_GLESExtensions.push_back("GL_OES_tessellation_shader");
   m_GLESExtensions.push_back("GL_OES_texture_compression_astc");
   m_GLESExtensions.push_back("GL_OES_texture_stencil8");
   m_GLESExtensions.push_back("GL_OES_texture_float");
   m_GLESExtensions.push_back("GL_OES_texture_float_linear");
   m_GLESExtensions.push_back("GL_OES_texture_half_float");
   m_GLESExtensions.push_back("GL_OES_texture_half_float_linear");
-  m_GLESExtensions.push_back("GL_OES_sample_shading");
-
+  
   m_GLESExtensions.push_back("GL_EXT_copy_image");
   m_GLESExtensions.push_back("GL_EXT_draw_buffers_indexed");
   m_GLESExtensions.push_back("GL_EXT_geometry_point_size");
@@ -751,6 +752,7 @@ void WrappedOpenGL::BuildGLESExtensions()
   m_GLESExtensions.push_back("GL_EXT_sRGB");
   m_GLESExtensions.push_back("GL_EXT_sRGB_write_control");
   m_GLESExtensions.push_back("GL_EXT_pvrtc_sRGB");
+  m_GLESExtensions.push_back("GL_EXT_tessellation_shader");
   m_GLESExtensions.push_back("GL_EXT_texture_format_BGRA8888");
   m_GLESExtensions.push_back("GL_EXT_texture_norm16");
   m_GLESExtensions.push_back("GL_EXT_texture_rg");
diff --git a/renderdoc/driver/gl/gl_hookset.h b/renderdoc/driver/gl/gl_hookset.h
index ccd2ed1f2..4861f959b 100644
--- a/renderdoc/driver/gl/gl_hookset.h
+++ b/renderdoc/driver/gl/gl_hookset.h
@@ -450,7 +450,7 @@ struct GLHookSet
   PFNGLSAMPLERPARAMETERFVPROC glSamplerParameterfv;
   PFNGLSAMPLERPARAMETERIIVPROC glSamplerParameterIiv;
   PFNGLSAMPLERPARAMETERIUIVPROC glSamplerParameterIuiv;
-  PFNGLPATCHPARAMETERIPROC glPatchParameteri;
+  PFNGLPATCHPARAMETERIPROC glPatchParameteri;    // aliases glPatchParameteriEXT, glPatchParameteriOES
   PFNGLPATCHPARAMETERFVPROC glPatchParameterfv;
   PFNGLPOINTPARAMETERFPROC glPointParameterf;    // aliases glPointParameterfARB, glPointParameterfEXT
   PFNGLPOINTPARAMETERFVPROC glPointParameterfv;    // aliases glPointParameterfvARB, glPointParameterfvEXT
diff --git a/renderdoc/driver/gl/gl_hookset_defs.h b/renderdoc/driver/gl/gl_hookset_defs.h
index 146c90feb..68af3cf26 100644
--- a/renderdoc/driver/gl/gl_hookset_defs.h
+++ b/renderdoc/driver/gl/gl_hookset_defs.h
@@ -596,6 +596,8 @@
   HookExtension(PFNGLGETUNIFORMSUBROUTINEUIVPROC, glGetUniformSubroutineuiv); \
   HookExtension(PFNGLGETPROGRAMSTAGEIVPROC, glGetProgramStageiv); \
   HookExtension(PFNGLPATCHPARAMETERIPROC, glPatchParameteri); \
+  HookExtensionAlias(PFNGLPATCHPARAMETERIPROC, glPatchParameteri, glPatchParameteriEXT); \
+  HookExtensionAlias(PFNGLPATCHPARAMETERIPROC, glPatchParameteri, glPatchParameteriOES); \
   HookExtension(PFNGLPATCHPARAMETERFVPROC, glPatchParameterfv); \
   HookExtension(PFNGLBINDTRANSFORMFEEDBACKPROC, glBindTransformFeedback); \
   HookExtension(PFNGLDELETETRANSFORMFEEDBACKSPROC, glDeleteTransformFeedbacks); \