From a2c990bd260aa16cb7a2e86ad2fa50d3881806b0 Mon Sep 17 00:00:00 2001
From: Bim Overbohm <bim.overbohm@googlemail.com>
Date: Wed, 15 May 2013 09:50:59 +0200
Subject: [PATCH] Fix compile errors on Rasbian

Add proper EGL/GLES libraries. Change glVertexPointer() call, because
GLES only can use GL_BYTE, GL_SHORT, GL_FIXED and GL_FLOAT...
---
 CMakeLists.txt           | 42 +++++++++++++++++++++-------------------
 src/Renderer_draw_gl.cpp |  8 ++++++++
 2 files changed, 30 insertions(+), 20 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 22be6ae3e..38b680ff2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -69,16 +69,6 @@ set(ES_INCLUDE_DIRS
     ${Boost_INCLUDE_DIRS}
 )
 
-if(${GLSystem} MATCHES "Desktop OpenGL")
-    LIST(APPEND ES_INCLUDE_DIRS
-        ${OPENGL_INCLUDE_DIR}
-    )
-else()
-    LIST(APPEND ES_INCLUDE_DIRS
-        ${OPENGLES_INCLUDE_DIR}
-    )
-endif()   
-
 if(DEFINED BCMHOST)
     LIST(APPEND ES_INCLUDE_DIRS
         "/opt/vc/include"
@@ -86,6 +76,16 @@ if(DEFINED BCMHOST)
         "/opt/vc/include/interface/vmcs_host/linux"
         "/opt/vc/include/interface/vcos/pthreads"
     )
+else()
+    if(${GLSystem} MATCHES "Desktop OpenGL")
+        LIST(APPEND ES_INCLUDE_DIRS
+            ${OPENGL_INCLUDE_DIR}
+        )
+    else()
+        LIST(APPEND ES_INCLUDE_DIRS
+            ${OPENGLES_INCLUDE_DIR}
+        )
+    endif()
 endif()
 
 #-------------------------------------------------------------------------------
@@ -172,20 +172,22 @@ set(ES_LIBRARIES
 	boost_system
 )
 
-if(${GLSystem} MATCHES "Desktop OpenGL")
-    LIST(APPEND ES_LIBRARIES
-        ${OPENGL_LIBRARIES}
-    )
-else()
-    LIST(APPEND ES_LIBRARIES
-        ${OPENGLES_LIBRARIES}
-    )
-endif()
-
 if(DEFINED BCMHOST)
     LIST(APPEND ES_LIBRARIES
         bcm_host
+        EGL
+        GLESv1_CM
     )
+else()
+    if(${GLSystem} MATCHES "Desktop OpenGL")
+        LIST(APPEND ES_LIBRARIES
+            ${OPENGL_LIBRARIES}
+        )
+    else()
+        LIST(APPEND ES_LIBRARIES
+            ${OPENGLES_LIBRARIES}
+        )
+    endif()
 endif()
 
 if(DEFINED BCMHOST)
diff --git a/src/Renderer_draw_gl.cpp b/src/Renderer_draw_gl.cpp
index 9cdcbba9c..ee2058d30 100644
--- a/src/Renderer_draw_gl.cpp
+++ b/src/Renderer_draw_gl.cpp
@@ -28,7 +28,11 @@ namespace Renderer {
 
 	void drawRect(int x, int y, int w, int h, unsigned int color)
 	{
+#ifdef USE_OPENGL_ES
+		GLshort points[12];
+#else
 		GLint points[12];
+#endif
 
 		points[0] = x; points [1] = y;
 		points[2] = x; points[3] = y + h;
@@ -46,7 +50,11 @@ namespace Renderer {
 		glEnableClientState(GL_VERTEX_ARRAY);
 		glEnableClientState(GL_COLOR_ARRAY);
 
+#ifdef USE_OPENGL_ES
+		glVertexPointer(2, GL_SHORT, 0, points);
+#else
 		glVertexPointer(2, GL_INT, 0, points);
+#endif
 		glColorPointer(4, GL_UNSIGNED_BYTE, 0, colors);
 
 		glDrawArrays(GL_TRIANGLES, 0, 6);