Arachnoid GLESv1.1 plugin. Compile and run (a bit glitchy and no frameskip) on the...

[mupen64plus-pandora.git] / source / mupen64plus-video-arachnoid / src / Combiner / DummyCombiner.cpp

diff --git a/source/mupen64plus-video-arachnoid/src/Combiner/DummyCombiner.cpp b/source/mupen64plus-video-arachnoid/src/Combiner/DummyCombiner.cpp
new file mode 100755 (executable)
index 0000000..29ff59d
--- /dev/null
+++ b/source/mupen64plus-video-arachnoid/src/Combiner/DummyCombiner.cpp
@@ -0,0 +1,83 @@
+/******************************************************************************
+ * Arachnoid Graphics Plugin for Mupen64Plus
+ * http://bitbucket.org/wahrhaft/mupen64plus-video-arachnoid/
+ *
+ * Copyright (C) 2007 Kristofer Karlsson, Rickard Niklasson
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *****************************************************************************/
+
+#include "DummyCombiner.h"
+#include "CombinerStructs.h"
+#include "ExtensionChecker.h"
+#include "MultiTexturingExt.h"
+
+//-----------------------------------------------------------------------------
+//* Initialize
+//! Checks if multitexturing is supported
+//-----------------------------------------------------------------------------
+void DummyCombiner::initialize() 
+{ 
+    ARB_multitexture = isExtensionSupported("GL_ARB_multitexture"); 
+}
+
+//-----------------------------------------------------------------------------
+//* Create New Texture Enviroment
+//! Allocates a new texture enviroment
+//! @param[in] colorCombiner How to combine and get a color
+//! @param[in] alphaCombiner How to combine and get an alpha value
+//! @return The texture enviroment that was created
+//-----------------------------------------------------------------------------
+TexEnvCombiner* DummyCombiner::createNewTextureEnviroment(Combiner* colorCombiner, Combiner *alphaCombiner)
+{
+    TexEnvCombiner* texEnv = new TexEnvCombiner();    
+    texEnv->usesT0 = false;
+    texEnv->usesT1 = false;
+    texEnv->mode = GL_REPLACE;
+    texEnv->vertex.color = COMBINED;
+    texEnv->vertex.alpha = COMBINED;    
+
+    //For each stage in alpha combiner
+    for (int i = 0; i < alphaCombiner->numStages; i++)
+    {
+        //For each operation in stage
+        for (int j = 0; j < alphaCombiner->stage[i].numOps; j++)
+        {
+            CombinerOp* op = &colorCombiner->stage[i].op[j];
+
+            if ( op->param1 == TEXEL0 )
+            {
+                texEnv->usesT0 = true;
+            }
+        }
+    }
+    return texEnv; 
+}
+
+//-----------------------------------------------------------------------------
+//* Set Texture Enviroment
+//! Sets OpenGL (enables texturing)
+//-----------------------------------------------------------------------------
+void DummyCombiner::setTextureEnviroment(TexEnvCombiner* texEnv)
+{
+    //Enable Texturing
+    if ( ARB_multitexture )
+        glActiveTextureARB( GL_TEXTURE0_ARB );
+
+    if ( texEnv->usesT0 )
+        glEnable( GL_TEXTURE_2D );
+    else
+        glDisable( GL_TEXTURE_2D );
+}