/*
* Copyright (C) 2008 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.
*/
package android.renderscript;
import android.content.Context;
import android.graphics.SurfaceTexture;
import android.view.Surface;
import android.view.SurfaceHolder;
/**
* @hide
* @deprecated in API 16
* The Graphics derivitive of RenderScript. Extends the basic context to add a
* root script which is the display window for graphical output. When the
* system needs to update the display the currently bound root script will be
* called. This script is expected to issue the rendering commands to repaint
* the screen.
*
* <div class="special reference">
* <h3>Developer Guides</h3>
* <p>For more information about creating an application that uses RenderScript, read the
* <a href="{@docRoot}guide/topics/renderscript/index.html">RenderScript</a> developer guide.</p>
* </div>
**/
public class RenderScriptGL extends RenderScript {
int mWidth;
int mHeight;
/**
* @deprecated in API 16
* Class which is used to describe a pixel format for a graphical buffer.
* This is used to describe the intended format of the display surface.
*
* The configuration is described by pairs of minimum and preferred bit
* depths for each component within the config and additional structural
* information.
*/
public static class SurfaceConfig {
int mDepthMin = 0;
int mDepthPref = 0;
int mStencilMin = 0;
int mStencilPref = 0;
int mColorMin = 8;
int mColorPref = 8;
int mAlphaMin = 0;
int mAlphaPref = 0;
int mSamplesMin = 1;
int mSamplesPref = 1;
float mSamplesQ = 1.f;
/**
* @deprecated in API 16
*/
public SurfaceConfig() {
}
/**
* @deprecated in API 16
*/
public SurfaceConfig(SurfaceConfig sc) {
mDepthMin = sc.mDepthMin;
mDepthPref = sc.mDepthPref;
mStencilMin = sc.mStencilMin;
mStencilPref = sc.mStencilPref;
mColorMin = sc.mColorMin;
mColorPref = sc.mColorPref;
mAlphaMin = sc.mAlphaMin;
mAlphaPref = sc.mAlphaPref;
mSamplesMin = sc.mSamplesMin;
mSamplesPref = sc.mSamplesPref;
mSamplesQ = sc.mSamplesQ;
}
private void validateRange(int umin, int upref, int rmin, int rmax) {
if (umin < rmin || umin > rmax) {
throw new RSIllegalArgumentException("Minimum value provided out of range.");
}
if (upref < umin) {
throw new RSIllegalArgumentException("preferred must be >= Minimum.");
}
}
/**
* @deprecated in API 16
* Set the per-component bit depth for color (red, green, blue). This
* configures the surface for an unsigned integer buffer type.
*
* @param minimum
* @param preferred
*/
public void setColor(int minimum, int preferred) {
validateRange(minimum, preferred, 5, 8);
mColorMin = minimum;
mColorPref = preferred;
}
/**
* @deprecated in API 16
* Set the bit depth for alpha. This configures the surface for
* an unsigned integer buffer type.
*
* @param minimum
* @param preferred
*/
public void setAlpha(int minimum, int preferred) {
validateRange(minimum, preferred, 0, 8);
mAlphaMin = minimum;
mAlphaPref = preferred;
}
/**
* @deprecated in API 16
* Set the bit depth for the depth buffer. This configures the
* surface for an unsigned integer buffer type. If a minimum of 0
* is specified then its possible no depth buffer will be
* allocated.
*
* @param minimum
* @param preferred
*/
public void setDepth(int minimum, int preferred) {
validateRange(minimum, preferred, 0, 24);
mDepthMin = minimum;
mDepthPref = preferred;
}
/**
* @deprecated in API 16
* Configure the multisample rendering.
*
* @param minimum The required number of samples, must be at least 1.
* @param preferred The targe number of samples, must be at least
* minimum
* @param Q The quality of samples, range 0-1. Used to decide between
* different formats which have the same number of samples but
* different rendering quality.
*/
public void setSamples(int minimum, int preferred, float Q) {
validateRange(minimum, preferred, 1, 32);
if (Q < 0.0f || Q > 1.0f) {
throw new RSIllegalArgumentException("Quality out of 0-1 range.");
}
mSamplesMin = minimum;
mSamplesPref = preferred;
mSamplesQ = Q;
}
};
SurfaceConfig mSurfaceConfig;
/**
* @deprecated in API 16
* Construct a new RenderScriptGL context.
*
* @param ctx The context.
* @param sc The desired format of the primary rendering surface.
*/
public RenderScriptGL(Context ctx, SurfaceConfig sc) {
super(ctx);
mSurfaceConfig = new SurfaceConfig(sc);
int sdkVersion = ctx.getApplicationInfo().targetSdkVersion;
mWidth = 0;
mHeight = 0;
mDev = nDeviceCreate();
int dpi = ctx.getResources().getDisplayMetrics().densityDpi;
mContext = nContextCreateGL(mDev, 0, sdkVersion,
mSurfaceConfig.mColorMin, mSurfaceConfig.mColorPref,
mSurfaceConfig.mAlphaMin, mSurfaceConfig.mAlphaPref,
mSurfaceConfig.mDepthMin, mSurfaceConfig.mDepthPref,
mSurfaceConfig.mStencilMin, mSurfaceConfig.mStencilPref,
mSurfaceConfig.mSamplesMin, mSurfaceConfig.mSamplesPref,
mSurfaceConfig.mSamplesQ, dpi);
if (mContext == 0) {
throw new RSDriverException("Failed to create RS context.");
}
mMessageThread = new MessageThread(this);
mMessageThread.start();
}
/**
* @deprecated in API 16
* Bind an os surface
*
*
* @param w
* @param h
* @param sur
*/
public void setSurface(SurfaceHolder sur, int w, int h) {
validate();
Surface s = null;
if (sur != null) {
s = sur.getSurface();
}
mWidth = w;
mHeight = h;
nContextSetSurface(w, h, s);
}
/**
* @deprecated in API 16
* Bind an os surface
*
* @param w
* @param h
* @param sur
*/
public void setSurfaceTexture(SurfaceTexture sur, int w, int h) {
validate();
//android.util.Log.v("rs", "set surface " + sur + " w=" + w + ", h=" + h);
Surface s = null;
if (sur != null) {
s = new Surface(sur);
}
mWidth = w;
mHeight = h;
nContextSetSurface(w, h, s);
}
/**
* @deprecated in API 16
* return the height of the last set surface.
*
* @return int
*/
public int getHeight() {
return mHeight;
}
/**
* @deprecated in API 16
* return the width of the last set surface.
*
* @return int
*/
public int getWidth() {
return mWidth;
}
/**
* @deprecated in API 16
* Temporarly halt calls to the root rendering script.
*
*/
public void pause() {
validate();
nContextPause();
}
/**
* @deprecated in API 16
* Resume calls to the root rendering script.
*
*/
public void resume() {
validate();
nContextResume();
}
/**
* @deprecated in API 16
* Set the script to handle calls to render the primary surface.
*
* @param s Graphics script to process rendering requests.
*/
public void bindRootScript(Script s) {
validate();
nContextBindRootScript((int)safeID(s));
}
/**
* @deprecated in API 16
* Set the default ProgramStore object seen as the parent state by the root
* rendering script.
*
* @param p
*/
public void bindProgramStore(ProgramStore p) {
validate();
nContextBindProgramStore((int)safeID(p));
}
/**
* @deprecated in API 16
* Set the default ProgramFragment object seen as the parent state by the
* root rendering script.
*
* @param p
*/
public void bindProgramFragment(ProgramFragment p) {
validate();
nContextBindProgramFragment((int)safeID(p));
}
/**
* @deprecated in API 16
* Set the default ProgramRaster object seen as the parent state by the
* root rendering script.
*
* @param p
*/
public void bindProgramRaster(ProgramRaster p) {
validate();
nContextBindProgramRaster((int)safeID(p));
}
/**
* @deprecated in API 16
* Set the default ProgramVertex object seen as the parent state by the
* root rendering script.
*
* @param p
*/
public void bindProgramVertex(ProgramVertex p) {
validate();
nContextBindProgramVertex((int)safeID(p));
}
}
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