From 16aee7e951a63492548380517eb550be93ce4369 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Wed, 11 Jun 2014 12:04:01 +0300
Subject: Add OpenGL glBindVertexBuffers.

Add info about missing and found OpenGL functions.
---
 src/graphicsmanager.cpp | 19 +++++++++++++++++++
 src/render/mgl.cpp      |  1 +
 src/render/mgl.h        |  1 +
 src/render/mgltypes.h   |  2 ++
 4 files changed, 23 insertions(+)

diff --git a/src/graphicsmanager.cpp b/src/graphicsmanager.cpp
index 7e7e4230f..cfed98cb1 100644
--- a/src/graphicsmanager.cpp
+++ b/src/graphicsmanager.cpp
@@ -1024,18 +1024,37 @@ void GraphicsManager::initOpenGLFunctions()
         if (checkGLVersion(4, 1)
             || supportExtension("GL_ARB_separate_shader_objects"))
         {
+            logger->log1("found GL_ARB_separate_shader_objects");
             assignFunction(glProgramUniform1f, "glProgramUniform1f");
             assignFunction(glProgramUniform2f, "glProgramUniform2f");
             assignFunction(glProgramUniform3f, "glProgramUniform3f");
             assignFunction(glProgramUniform4f, "glProgramUniform4f");
         }
+        else
+        {
+            logger->log1("GL_ARB_separate_shader_objects not supported");
+        }
         if (checkGLVersion(4, 3)
             || supportExtension("GL_ARB_vertex_attrib_binding"))
         {
+            logger->log1("found GL_ARB_vertex_attrib_binding");
             assignFunction(glBindVertexBuffer, "glBindVertexBuffer");
             assignFunction(glVertexAttribBinding, "glVertexAttribBinding");
             assignFunction(glVertexAttribFormat, "glVertexAttribFormat");
         }
+        else
+        {
+            logger->log1("GL_ARB_vertex_attrib_binding not supported");
+        }
+        if (checkGLVersion(4, 4) || supportExtension("GL_ARB_multi_bind"))
+        {
+            logger->log1("found GL_ARB_multi_bind");
+            assignFunction(glBindVertexBuffers, "glBindVertexBuffers");
+        }
+        else
+        {
+            logger->log1("GL_ARB_multi_bind not supported");
+        }
     }
     else
     {
diff --git a/src/render/mgl.cpp b/src/render/mgl.cpp
index a7d79f6b0..88f413ea2 100644
--- a/src/render/mgl.cpp
+++ b/src/render/mgl.cpp
@@ -91,6 +91,7 @@ defName(glProgramUniform4f);
 defName(glBindVertexBuffer);
 defName(glVertexAttribBinding);
 defName(glVertexAttribFormat);
+defName(glBindVertexBuffers);
 
 #ifdef WIN32
 defName(wglGetExtensionsString);
diff --git a/src/render/mgl.h b/src/render/mgl.h
index 450c6946a..0f918ff02 100644
--- a/src/render/mgl.h
+++ b/src/render/mgl.h
@@ -94,6 +94,7 @@ defNameE(glProgramUniform4f);
 defNameE(glBindVertexBuffer);
 defNameE(glVertexAttribBinding);
 defNameE(glVertexAttribFormat);
+defNameE(glBindVertexBuffers);
 
 #ifdef WIN32
 defNameE(wglGetExtensionsString);
diff --git a/src/render/mgltypes.h b/src/render/mgltypes.h
index 690255541..3b481e586 100644
--- a/src/render/mgltypes.h
+++ b/src/render/mgltypes.h
@@ -137,6 +137,8 @@ typedef void (APIENTRY *glVertexAttribBinding_t) (GLuint attribindex,
     GLuint bindingindex);
 typedef void (APIENTRY *glVertexAttribFormat_t) (GLuint attribindex,
     GLint size, GLenum type, GLboolean normalized, GLuint relativeoffset);
+typedef void (APIENTRY *glBindVertexBuffers_t) (GLuint first, GLsizei count,
+    const GLuint *buffers, const GLuint *offsets, const GLsizei *strides);
 
 // callback
 typedef void (APIENTRY *GLDEBUGPROC_t) (GLenum source, GLenum type, GLuint id,
-- 
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