From a10d89a8cb317d9148f2008d8a4b7d4c9af8c4a2 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Tue, 10 Jun 2014 22:30:02 +0300
Subject: Add some vertex OpenGL functions.

---
 src/graphicsmanager.cpp | 7 +++++++
 src/render/mgl.cpp      | 3 +++
 src/render/mgl.h        | 3 +++
 src/render/mgltypes.h   | 6 ++++++
 4 files changed, 19 insertions(+)

diff --git a/src/graphicsmanager.cpp b/src/graphicsmanager.cpp
index c7e4777e1..7e7e4230f 100644
--- a/src/graphicsmanager.cpp
+++ b/src/graphicsmanager.cpp
@@ -1029,6 +1029,13 @@ void GraphicsManager::initOpenGLFunctions()
             assignFunction(glProgramUniform3f, "glProgramUniform3f");
             assignFunction(glProgramUniform4f, "glProgramUniform4f");
         }
+        if (checkGLVersion(4, 3)
+            || supportExtension("GL_ARB_vertex_attrib_binding"))
+        {
+            assignFunction(glBindVertexBuffer, "glBindVertexBuffer");
+            assignFunction(glVertexAttribBinding, "glVertexAttribBinding");
+            assignFunction(glVertexAttribFormat, "glVertexAttribFormat");
+        }
     }
     else
     {
diff --git a/src/render/mgl.cpp b/src/render/mgl.cpp
index fc67c36cd..a7d79f6b0 100644
--- a/src/render/mgl.cpp
+++ b/src/render/mgl.cpp
@@ -88,6 +88,9 @@ defName(glProgramUniform1f);
 defName(glProgramUniform2f);
 defName(glProgramUniform3f);
 defName(glProgramUniform4f);
+defName(glBindVertexBuffer);
+defName(glVertexAttribBinding);
+defName(glVertexAttribFormat);
 
 #ifdef WIN32
 defName(wglGetExtensionsString);
diff --git a/src/render/mgl.h b/src/render/mgl.h
index 2bc275629..450c6946a 100644
--- a/src/render/mgl.h
+++ b/src/render/mgl.h
@@ -91,6 +91,9 @@ defNameE(glProgramUniform1f);
 defNameE(glProgramUniform2f);
 defNameE(glProgramUniform3f);
 defNameE(glProgramUniform4f);
+defNameE(glBindVertexBuffer);
+defNameE(glVertexAttribBinding);
+defNameE(glVertexAttribFormat);
 
 #ifdef WIN32
 defNameE(wglGetExtensionsString);
diff --git a/src/render/mgltypes.h b/src/render/mgltypes.h
index b4b300a96..690255541 100644
--- a/src/render/mgltypes.h
+++ b/src/render/mgltypes.h
@@ -131,6 +131,12 @@ typedef void (APIENTRY *glProgramUniform3f_t) (GLuint program,
     GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
 typedef void (APIENTRY *glProgramUniform4f_t) (GLuint program,
     GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
+typedef void (APIENTRY *glBindVertexBuffer_t) (GLuint bindingindex,
+    GLuint buffer, GLintptr offset, GLintptr stride);
+typedef void (APIENTRY *glVertexAttribBinding_t) (GLuint attribindex,
+    GLuint bindingindex);
+typedef void (APIENTRY *glVertexAttribFormat_t) (GLuint attribindex,
+    GLint size, GLenum type, GLboolean normalized, GLuint relativeoffset);
 
 // callback
 typedef void (APIENTRY *GLDEBUGPROC_t) (GLenum source, GLenum type, GLuint id,
-- 
cgit v1.2.3-70-g09d2