From ebfb436a49673693b98469683451bd9ede797557 Mon Sep 17 00:00:00 2001
From: Jason Sams <rjsams@android.com>
Date: Wed, 23 Sep 2009 13:57:02 -0700
Subject: Add raster object to control point and line params. Add flag to force
 SW rendering.

---
 libs/rs/rsProgramRaster.cpp | 137 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 137 insertions(+)
 create mode 100644 libs/rs/rsProgramRaster.cpp

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

diff --git a/libs/rs/rsProgramRaster.cpp b/libs/rs/rsProgramRaster.cpp
new file mode 100644
index 000000000000..0f5ec5134a4c
--- /dev/null
+++ b/libs/rs/rsProgramRaster.cpp
@@ -0,0 +1,137 @@
+/*
+ * 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 "rsProgramRaster.h"
+
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+
+using namespace android;
+using namespace android::renderscript;
+
+
+ProgramRaster::ProgramRaster(Element *in,
+                             Element *out,
+                             bool pointSmooth,
+                             bool lineSmooth,
+                             bool pointSprite) :
+    Program(in, out)
+{
+    mPointSmooth = pointSmooth;
+    mLineSmooth = lineSmooth;
+    mPointSprite = pointSprite;
+
+    mPointSize = 1.0f;
+    mLineWidth = 1.0f;
+}
+
+ProgramRaster::~ProgramRaster()
+{
+}
+
+void ProgramRaster::setLineWidth(float s)
+{
+    mLineWidth = s;
+}
+
+void ProgramRaster::setPointSize(float s)
+{
+    mPointSize = s;
+}
+
+void ProgramRaster::setupGL(const Context *rsc, ProgramRasterState *state)
+{
+    if (state->mLast.get() == this) {
+        return;
+    }
+    state->mLast.set(this);
+
+    LOGE("setup %i %i %i %f %f", mPointSmooth, mLineSmooth, mPointSprite, mPointSize, mLineWidth);
+
+    glPointSize(mPointSize);
+    if (mPointSmooth) {
+        glEnable(GL_POINT_SMOOTH);
+    } else {
+        glDisable(GL_POINT_SMOOTH);
+    }
+
+    glLineWidth(mLineWidth);
+    if (mLineSmooth) {
+        glEnable(GL_LINE_SMOOTH);
+    } else {
+        glEnable(GL_LINE_SMOOTH);
+    }
+
+    if (rsc->checkVersion1_1()) {
+        if (mPointSprite) {
+            glEnable(GL_POINT_SPRITE_OES);
+        } else {
+            glDisable(GL_POINT_SPRITE_OES);
+        }
+    }
+}
+
+
+
+ProgramRasterState::ProgramRasterState()
+{
+}
+
+ProgramRasterState::~ProgramRasterState()
+{
+}
+
+void ProgramRasterState::init(Context *rsc, int32_t w, int32_t h)
+{
+    ProgramRaster *pr = new ProgramRaster(NULL, NULL, false, false, false);
+    mDefault.set(pr);
+}
+
+
+namespace android {
+namespace renderscript {
+
+RsProgramRaster rsi_ProgramRasterCreate(Context * rsc, RsElement in, RsElement out,
+                                      bool pointSmooth,
+                                      bool lineSmooth,
+                                      bool pointSprite)
+{
+    ProgramRaster *pr = new ProgramRaster(static_cast<Element *>(in),
+                                          static_cast<Element *>(out),
+                                          pointSmooth,
+                                          lineSmooth,
+                                          pointSprite);
+    pr->incUserRef();
+    return pr;
+}
+
+void rsi_ProgramRasterSetPointSize(Context * rsc, RsProgramRaster vpr, float s)
+{
+    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
+    pr->setPointSize(s);
+}
+
+void rsi_ProgramRasterSetLineWidth(Context * rsc, RsProgramRaster vpr, float s)
+{
+    ProgramRaster *pr = static_cast<ProgramRaster *>(vpr);
+    pr->setLineWidth(s);
+}
+
+
+}
+}
+
-- 
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