From ebefcc885f74461cd0e3f19b5ae3622dc6cf6dbc Mon Sep 17 00:00:00 2001
From: Brad Davis <bdavis@saintandreas.org>
Date: Thu, 27 Jun 2013 11:25:32 -0800
Subject: SDK 0.2.2

---
 Samples/CommonSrc/Render/Render_LoadTextureTGA.cpp | 102 +++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 Samples/CommonSrc/Render/Render_LoadTextureTGA.cpp

(limited to 'Samples/CommonSrc/Render/Render_LoadTextureTGA.cpp')

diff --git a/Samples/CommonSrc/Render/Render_LoadTextureTGA.cpp b/Samples/CommonSrc/Render/Render_LoadTextureTGA.cpp
new file mode 100644
index 0000000..0331540
--- /dev/null
+++ b/Samples/CommonSrc/Render/Render_LoadTextureTGA.cpp
@@ -0,0 +1,102 @@
+/************************************************************************************
+
+Filename    :   Render_LoadeTextureTGA.cpp
+Content     :   Loading of TGA implementation
+Created     :   October, 2012
+Authors     :   Andrew Reisse
+
+Copyright   :   Copyright 2012 Oculus VR, Inc. All Rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+************************************************************************************/
+
+
+#include "Render_Device.h"
+
+namespace OVR { namespace Render {
+
+Texture* LoadTextureTga(RenderDevice* ren, File* f)
+{
+    int desclen = f->ReadUByte();
+    int palette = f->ReadUByte();
+    OVR_UNUSED(palette);
+    int imgtype = f->ReadUByte();
+    f->ReadUInt16();
+    int palCount = f->ReadUInt16();
+    int palSize = f->ReadUByte();
+    f->ReadUInt16();
+    f->ReadUInt16();
+    int width = f->ReadUInt16();
+    int height = f->ReadUInt16();
+    int bpp = f->ReadUByte();
+    f->ReadUByte();
+    int imgsize = width * height * 4;
+    unsigned char* imgdata = (unsigned char*) OVR_ALLOC(imgsize);
+    unsigned char buf[16];
+    f->Read(imgdata, desclen);
+    f->Read(imgdata, palCount * (palSize + 7) >> 3);
+    int bpl = width * 4;
+
+    switch (imgtype)
+    {
+    case 2:
+        switch (bpp)
+        {
+        case 24:
+            for (int y = 0; y < height; y++)
+                for (int x = 0; x < width; x++)
+                {
+                    f->Read(buf, 3);
+                    imgdata[y*bpl+x*4+0] = buf[2];
+                    imgdata[y*bpl+x*4+1] = buf[1];
+                    imgdata[y*bpl+x*4+2] = buf[0];
+                    imgdata[y*bpl+x*4+3] = 255;
+                }
+            break;
+        case 32:
+            for (int y = 0; y < height; y++)
+                for (int x = 0; x < width; x++)
+                {
+                    f->Read(buf, 4);
+                    imgdata[y*bpl+x*4+0] = buf[2];
+                    imgdata[y*bpl+x*4+1] = buf[1];
+                    imgdata[y*bpl+x*4+2] = buf[0];
+                    imgdata[y*bpl+x*4+3] = buf[3];
+                }
+            break;
+
+        default:
+            OVR_FREE(imgdata);
+            return NULL;
+        }
+        break;
+
+    default:
+        OVR_FREE(imgdata);
+        return NULL;
+    }
+
+	Texture* out = ren->CreateTexture(Texture_RGBA|Texture_GenMipmaps, width, height, imgdata);
+
+	// check for clamp based on texture name
+	if(strstr(f->GetFilePath(), "_c."))
+	{
+		out->SetSampleMode(Sample_Clamp);
+	}
+
+    OVR_FREE(imgdata);
+    return out;
+}
+
+}}
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