From f8d065eeb68befc7d579fbc3d57f9ea66c0bdd58 Mon Sep 17 00:00:00 2001
From: Themaister <maister@archlinux.us>
Date: Thu, 17 Apr 2014 15:32:36 +0200
Subject: [PATCH] [HW render] set known blending equation.

---
 gfx/gl.c                  | 2 ++
 ps3/gcmgl/src/rgl_ps3.cpp | 9 +++++++++
 2 files changed, 11 insertions(+)

diff --git a/gfx/gl.c b/gfx/gl.c
index 0848e2ad89..910ef7a01d 100644
--- a/gfx/gl.c
+++ b/gfx/gl.c
@@ -1458,6 +1458,7 @@ static bool gl_frame(void *data, const void *frame, unsigned width, unsigned hei
       glDisable(GL_DITHER);
       glDisable(GL_BLEND);
       glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+      glBlendEquation(GL_FUNC_ADD);
       glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
    }
 #endif
@@ -2070,6 +2071,7 @@ static void *gl_init(const video_info_t *video, const input_driver_t **input, vo
 #endif
 
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+   glBlendEquation(GL_FUNC_ADD);
 
    if (!resolve_extensions(gl))
    {
diff --git a/ps3/gcmgl/src/rgl_ps3.cpp b/ps3/gcmgl/src/rgl_ps3.cpp
index 62e3785884..df3ba34bb7 100644
--- a/ps3/gcmgl/src/rgl_ps3.cpp
+++ b/ps3/gcmgl/src/rgl_ps3.cpp
@@ -3096,6 +3096,15 @@ GLAPI void APIENTRY glBlendFunc( GLenum sfactor, GLenum dfactor )
    LContext->needValidate |= RGL_VALIDATE_BLENDING;
 }
 
+GLAPI void APIENTRY glBlendEquation( GLenum func )
+{
+   RGLcontext*	LContext = (RGLcontext*)_CurrentContext;
+
+   LContext->BlendEquationRGB = func;
+   LContext->BlendEquationAlpha = func;
+   LContext->needValidate |= RGL_VALIDATE_BLENDING;
+}
+
 /*============================================================
   FRAMEBUFFER OBJECTS
   ============================================================ */