From cbed7524eacb4adf61c20a0af8bfb37938610bd6 Mon Sep 17 00:00:00 2001
From: Alex Sakhartchouk <alexst@google.com>
Date: Mon, 16 Aug 2010 17:40:10 -0700
Subject: Added frustum plane extraction and sphere culling code.

Change-Id: I9d55baecddc962f8973f0269f2f9977f1d4ce008
---
 libs/rs/rsProgramVertex.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'libs/rs/rsProgramVertex.cpp')

diff --git a/libs/rs/rsProgramVertex.cpp b/libs/rs/rsProgramVertex.cpp
index 60de04a..aee4133 100644
--- a/libs/rs/rsProgramVertex.cpp
+++ b/libs/rs/rsProgramVertex.cpp
@@ -318,6 +318,12 @@ void ProgramVertex::setTextureMatrix(const rsc_Matrix *m) const
     mDirty = true;
 }
 
+void ProgramVertex::getProjectionMatrix(rsc_Matrix *m) const
+{
+    float *f = static_cast<float *>(mConstants[0]->getPtr());
+    memcpy(m, &f[RS_PROGRAM_VERTEX_PROJECTION_OFFSET], sizeof(rsc_Matrix));
+}
+
 void ProgramVertex::transformToScreen(const Context *rsc, float *v4out, const float *v3in) const
 {
     float *f = static_cast<float *>(mConstants[0]->getPtr());
-- 
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