Added support for the remaining floating point textures.

TRAC #23048

Signed-off-by: Jamie Madill
Signed-off-by: Shannon Woods
Author: Geoff Lang

git-svn-id: https://angleproject.googlecode.com/svn/branches/es3proto@2378 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/renderer/loadimage.cpp b/src/libGLESv2/renderer/loadimage.cpp
index b5ca39f..a0dbb56 100644
--- a/src/libGLESv2/renderer/loadimage.cpp
+++ b/src/libGLESv2/renderer/loadimage.cpp
@@ -828,4 +828,29 @@
     }
 }
 
+void loadFloatRGBDataToHalfFloatRGBA(int width, int height, int depth,
+                                     const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
+                                     void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
+{
+    const float *source = NULL;
+    unsigned short *dest = NULL;
+
+    for (int z = 0; z < depth; z++)
+    {
+        for (int y = 0; y < height; y++)
+        {
+            source = offsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch);
+            dest = offsetDataPointer<unsigned short>(output, y, z, outputRowPitch, outputDepthPitch);
+
+            for (int x = 0; x < width; x++)
+            {
+                dest[x * 4 + 0] = gl::float32ToFloat16(source[x * 3 + 0]);
+                dest[x * 4 + 1] = gl::float32ToFloat16(source[x * 3 + 1]);
+                dest[x * 4 + 2] = gl::float32ToFloat16(source[x * 3 + 2]);
+                dest[x * 4 + 3] = gl::Float16One;
+            }
+        }
+    }
+}
+
 }