From 959f3a24c61f234d7c2cab86072011076b14be17 Mon Sep 17 00:00:00 2001
From: Felix Wallin <nibbler.v1@gmail.com>
Date: Fri, 10 Sep 2010 22:10:41 +0200
Subject: [PATCH] added a test blendpixel for opengl. No idea if it works

---
 Makefile   | 6 +++---
 graphics.c | 8 ++++++++
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index 72e2617b7..233d4933a 100755
--- a/Makefile
+++ b/Makefile
@@ -3,9 +3,9 @@ SOURCES := *.c
 CFLAGS := -Wall -std=c99 -D_POSIX_C_SOURCE=200112L
 OFLAGS := -O3 -ffast-math -ftree-vectorize -funsafe-math-optimizations
 LFLAGS := -lSDL -lm -lbz2 
-MFLAGS_SSE3 := -march=k8 -DX86 -DX86_SSE3 -msse3
-MFLAGS_SSE2 := -march=k8 -DX86 -DX86_SSE2 -msse2
-MFLAGS_SSE := -march=pentium3 -DX86 -DX86_SSE
+MFLAGS_SSE3 := -march=native -DX86 -DX86_SSE3 -msse3
+MFLAGS_SSE2 := -march=native-DX86 -DX86_SSE2 -msse2
+MFLAGS_SSE := -march=native -DX86 -DX86_SSE
 FLAGS_DBUG := -Wall -std=c99 -D_POSIX_C_SOURCE=200112L -pg -O2 -march=k8 -DX86 -DX86_SSE3 -msse3 -lSDL -lm -lbz2
 COMPILER := gcc
 LINUX_TARG := powder-64-sse2 powder-sse powder-sse2
diff --git a/graphics.c b/graphics.c
index 89626986e..6c1afdbf7 100644
--- a/graphics.c
+++ b/graphics.c
@@ -967,6 +967,14 @@ inline void blendpixel(pixel *vid, int x, int y, int r, int g, int b, int a)
 #endif
 {
 #ifdef OpenGL
+    if(x<0 || y<0 || x>=XRES || r>=YRES)
+        return;
+    if(a!=255)
+    {
+        glBegin (GL_QUADS);
+        glColor4ub(r,g,b,a);
+        glVertex2i(x, y);
+    }
 #else
     pixel t;
     if(x<0 || y<0 || x>=XRES || y>=YRES)