Buggy patches for Reicast... It still does not work but it adds a RK3288 (Tinkerboard) option in the Makefile

0001-Various-buggy-Rocky-and-GLES-patches.patch

From d21c904098ed99638e9b710fc065a03f7c4860a6 Mon Sep 17 00:00:00 2001
From: Myy Miouyouyou <[email protected]>
Date: Wed, 14 Feb 2018 21:19:08 +0000
Subject: [PATCH] Various buggy Rocky and GLES patches

---
 core/rend/gles/gles.cpp |  8 +++++++-
 core/rend/gles/gles.h   |  3 +++
 shell/linux/Makefile    | 20 ++++++++++++++++----
 3 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/core/rend/gles/gles.cpp b/core/rend/gles/gles.cpp
index a2bc1be..e68a9e9 100755
--- a/core/rend/gles/gles.cpp
+++ b/core/rend/gles/gles.cpp
@@ -22,6 +22,9 @@ int fbdev = -1;
 #endif
 #endif
 
+#include <EGL/eglext.h>
+
+
 /*
 GL|ES 2
 Slower, smaller subset of gl2
@@ -363,8 +366,11 @@ int screen_height;
 		gl.setup.native_wind=(EGLNativeWindowType)wind;
 		gl.setup.native_disp=(EGLNativeDisplayType)disp;
 
+		gl.setup.display = eglGetPlatformDisplayEXT(EGL_PLATFORM_GBM_KHR, gl.setup.native_disp, NULL);
+
 		//try to get a display
-		gl.setup.display = eglGetDisplay(gl.setup.native_disp);
+		if(gl.setup.display == EGL_NO_DISPLAY)
+			gl.setup.display = eglGetDisplay(gl.setup.native_disp);
 
 		//if failed, get the default display (this will not happen in win32)
 		if(gl.setup.display == EGL_NO_DISPLAY)
diff --git a/core/rend/gles/gles.h b/core/rend/gles/gles.h
index c77e67f..458ce48 100755
--- a/core/rend/gles/gles.h
+++ b/core/rend/gles/gles.h
@@ -9,7 +9,10 @@
 #include <OpenGLES/ES2/glext.h>
 #else
 #if !defined(TARGET_NACL32)
+#define EGL_EGLEXT_PROTOTYPES
+#define EGL_PLATFORM_GBM_KHR              0x31D7
 #include <EGL/egl.h>
+#include <EGL/eglext.h>
 #endif
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
diff --git a/shell/linux/Makefile b/shell/linux/Makefile
index 3ec8c7c..b128739 100644
--- a/shell/linux/Makefile
+++ b/shell/linux/Makefile
@@ -20,7 +20,7 @@ ASFLAGS :=
 LDFLAGS :=
 INCS :=
 LIBS :=
-CFLAGS := 
+CFLAGS := -I/usr/local/n64/include
 CXXFLAGS :=
 
 # Platform auto-detection
@@ -43,6 +43,7 @@ ifeq (,$(platform))
         endif
     else ifneq (,$(findstring arm,$(ARCH)))
         HARDWARE = $(shell grep Hardware /proc/cpuinfo)
+        NODENAME = $(shell uname -n)
         ifneq (,$(findstring BCM2709,$(HARDWARE)))
             platform = rpi2
         else ifneq (,$(findstring AM33XX,$(HARDWARE)))
@@ -53,7 +54,7 @@ ifeq (,$(platform))
             platform = odroidc1
         else ifneq (,$(findstring ODROID-XU3,$(HARDWARE)))
             platform = odroidxu3
-	else ifneq (,$(findstring ODROID-XU4,$(HARDWARE)))
+        else ifneq (,$(findstring ODROID-XU4,$(HARDWARE)))
             platform = odroidxu3
         else ifneq (,$(findstring ODROIDXU,$(HARDWARE)))
             platform = odroidxu
@@ -65,6 +66,8 @@ ifeq (,$(platform))
             platform = odroidu2
         else ifneq (,$(findstring ODROIDU2,$(HARDWARE)))
             platform = odroidu2
+        else ifneq (,$(findstring tinkerboard,$(NODENAME)))
+	    platform = rk3288
         else
             platform = armv7h
         endif
@@ -184,6 +187,15 @@ else ifneq (,$(findstring odroid,$(platform)))
         endif
     endif
 
+# Tinkerboard (And various RK3288 systems)
+else ifneq (,$(findstring rk3288,$(platform)))
+    MFLAGS += -marm -mfpu=neon -mfloat-abi=hard -funroll-loops -mcpu=cortex-a12 -mtune=cortex-a12
+    ASFLAGS += -mfpu=neon -mfloat-abi=hard -mcpu=cortex-a12 -mtune=cortex-a12
+    # I don't know if single-precision-constant is a good idea on this platform... (Myy)
+    CFLAGS += -D TARGET_RK3288 -D TARGET_LINUX_ARMELv7 -DARM_HARDFP -fsingle-precision-constant
+    USE_GLES := 1
+    USE_SDL  := 1
+
 # GCW Zero
 else ifneq (,$(findstring gcwz,$(platform)))
     NOT_ARM := 1
@@ -239,8 +251,8 @@ ifndef NOT_ARM
 endif
 
 ifdef USE_SDL
-    CXXFLAGS += `sdl2-config --cflags` -D USE_SDL
-    LIBS += `sdl2-config --libs`
+    CXXFLAGS += $(shell sdl2-config --cflags) -D USE_SDL
+    LIBS += $(shell sdl2-config --libs)
 endif
 
 ifdef PGO_MAKE
-- 
2.7.4