1 files changed, 134 insertions, 0 deletions
diff --git a/libs/rs/rsLight.cpp b/libs/rs/rsLight.cpp
new file mode 100644
index 0000000..24b58b6
--- /dev/null
+++ b/libs/rs/rsLight.cpp
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * 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 "rsContext.h"
+
+#include <GLES/gl.h>
+
+using namespace android;
+using namespace android::renderscript;
+
+
+Light::Light(bool isLocal, bool isMono)
+{
+    mIsLocal = isLocal;
+    mIsMono = isMono;
+
+    mPosition[0] = 0;
+    mPosition[1] = 0;
+    mPosition[2] = 1;
+    mPosition[3] = 0;
+
+    mColor[0] = 1.f;
+    mColor[1] = 1.f;
+    mColor[2] = 1.f;
+    mColor[3] = 1.f;
+}
+
+Light::~Light()
+{
+}
+
+void Light::setPosition(float x, float y, float z)
+{
+    mPosition[0] = x;
+    mPosition[1] = y;
+    mPosition[2] = z;
+}
+
+void Light::setColor(float r, float g, float b)
+{
+    mColor[0] = r;
+    mColor[1] = g;
+    mColor[2] = b;
+}
+
+void Light::setupGL(uint32_t num) const
+{
+    glLightfv(GL_LIGHT0 + num, GL_DIFFUSE, mColor);
+    glLightfv(GL_LIGHT0 + num, GL_SPECULAR, mColor);
+    glLightfv(GL_LIGHT0 + num, GL_POSITION, mPosition);
+}
+
+////////////////////////////////////////////
+
+LightState::LightState()
+{
+    clear();
+}
+
+LightState::~LightState()
+{
+}
+
+void LightState::clear()
+{
+    mIsLocal = false;
+    mIsMono = false;
+}
+
+
+////////////////////////////////////////////////////
+// 
+
+namespace android {
+namespace renderscript {
+
+void rsi_LightBegin(Context *rsc)
+{
+    rsc->mStateLight.clear();
+}
+
+void rsi_LightSetLocal(Context *rsc, bool isLocal)
+{
+    rsc->mStateLight.mIsLocal = isLocal;
+}
+
+void rsi_LightSetMonochromatic(Context *rsc, bool isMono)
+{
+    rsc->mStateLight.mIsMono = isMono;
+}
+
+RsLight rsi_LightCreate(Context *rsc)
+{
+    Light *l = new Light(rsc->mStateLight.mIsLocal,
+                         rsc->mStateLight.mIsMono);
+    l->incRef();
+    return l;
+}
+
+void rsi_LightDestroy(Context *rsc, RsLight vl)
+{
+    Light *l = static_cast<Light *>(vl);
+    l->decRef();
+}
+
+void rsi_LightSetColor(Context *rsc, RsLight vl, float r, float g, float b)
+{
+    Light *l = static_cast<Light *>(vl);
+    l->setColor(r, g, b);
+}
+
+void rsi_LightSetPosition(Context *rsc, RsLight vl, float x, float y, float z)
+{
+    Light *l = static_cast<Light *>(vl);
+    l->setPosition(x, y, z);
+}
+
+
+
+}
+}