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/*
* Copyright (C) 2010 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 com.android.gallery3d.glrenderer;
import com.android.gallery3d.ui.PointerInfo;
import java.nio.Buffer;
import java.util.HashMap;
import javax.microedition.khronos.opengles.GL10;
import javax.microedition.khronos.opengles.GL11;
public class GLMock extends GLStub {
@SuppressWarnings("unused")
private static final String TAG = "GLMock";
// glClear
int mGLClearCalled;
int mGLClearMask;
// glBlendFunc
int mGLBlendFuncCalled;
int mGLBlendFuncSFactor;
int mGLBlendFuncDFactor;
// glColor4[fx]
int mGLColorCalled;
int mGLColor;
// glEnable, glDisable
boolean mGLBlendEnabled;
boolean mGLStencilEnabled;
// glEnableClientState
boolean mGLVertexArrayEnabled;
// glVertexPointer
PointerInfo mGLVertexPointer;
// glMatrixMode
int mGLMatrixMode = GL10.GL_MODELVIEW;
// glLoadMatrixf
float[] mGLModelViewMatrix = new float[16];
float[] mGLProjectionMatrix = new float[16];
// glBindTexture
int mGLBindTextureId;
// glTexEnvf
HashMap<Integer, Float> mGLTexEnv0 = new HashMap<Integer, Float>();
HashMap<Integer, Float> mGLTexEnv1 = new HashMap<Integer, Float>();
// glActiveTexture
int mGLActiveTexture = GL11.GL_TEXTURE0;
@Override
public void glClear(int mask) {
mGLClearCalled++;
mGLClearMask = mask;
}
@Override
public void glBlendFunc(int sfactor, int dfactor) {
mGLBlendFuncSFactor = sfactor;
mGLBlendFuncDFactor = dfactor;
mGLBlendFuncCalled++;
}
@Override
public void glColor4f(float red, float green, float blue,
float alpha) {
mGLColorCalled++;
mGLColor = makeColor4f(red, green, blue, alpha);
}
@Override
public void glColor4x(int red, int green, int blue, int alpha) {
mGLColorCalled++;
mGLColor = makeColor4x(red, green, blue, alpha);
}
@Override
public void glEnable(int cap) {
if (cap == GL11.GL_BLEND) {
mGLBlendEnabled = true;
} else if (cap == GL11.GL_STENCIL_TEST) {
mGLStencilEnabled = true;
}
}
@Override
public void glDisable(int cap) {
if (cap == GL11.GL_BLEND) {
mGLBlendEnabled = false;
} else if (cap == GL11.GL_STENCIL_TEST) {
mGLStencilEnabled = false;
}
}
@Override
public void glEnableClientState(int array) {
if (array == GL10.GL_VERTEX_ARRAY) {
mGLVertexArrayEnabled = true;
}
}
@Override
public void glVertexPointer(int size, int type, int stride, Buffer pointer) {
mGLVertexPointer = new PointerInfo(size, type, stride, pointer);
}
@Override
public void glMatrixMode(int mode) {
mGLMatrixMode = mode;
}
@Override
public void glLoadMatrixf(float[] m, int offset) {
if (mGLMatrixMode == GL10.GL_MODELVIEW) {
System.arraycopy(m, offset, mGLModelViewMatrix, 0, 16);
} else if (mGLMatrixMode == GL10.GL_PROJECTION) {
System.arraycopy(m, offset, mGLProjectionMatrix, 0, 16);
}
}
@Override
public void glOrthof(
float left, float right, float bottom, float top,
float zNear, float zFar) {
float tx = -(right + left) / (right - left);
float ty = -(top + bottom) / (top - bottom);
float tz = - (zFar + zNear) / (zFar - zNear);
float[] m = new float[] {
2 / (right - left), 0, 0, 0,
0, 2 / (top - bottom), 0, 0,
0, 0, -2 / (zFar - zNear), 0,
tx, ty, tz, 1
};
glLoadMatrixf(m, 0);
}
@Override
public void glBindTexture(int target, int texture) {
if (target == GL11.GL_TEXTURE_2D) {
mGLBindTextureId = texture;
}
}
@Override
public void glTexEnvf(int target, int pname, float param) {
if (target == GL11.GL_TEXTURE_ENV) {
if (mGLActiveTexture == GL11.GL_TEXTURE0) {
mGLTexEnv0.put(pname, param);
} else if (mGLActiveTexture == GL11.GL_TEXTURE1) {
mGLTexEnv1.put(pname, param);
} else {
throw new AssertionError();
}
}
}
public int getTexEnvi(int pname) {
return getTexEnvi(mGLActiveTexture, pname);
}
public int getTexEnvi(int activeTexture, int pname) {
if (activeTexture == GL11.GL_TEXTURE0) {
return (int) mGLTexEnv0.get(pname).floatValue();
} else if (activeTexture == GL11.GL_TEXTURE1) {
return (int) mGLTexEnv1.get(pname).floatValue();
} else {
throw new AssertionError();
}
}
@Override
public void glActiveTexture(int texture) {
mGLActiveTexture = texture;
}
public static int makeColor4f(float red, float green, float blue,
float alpha) {
return (Math.round(alpha * 255) << 24) |
(Math.round(red * 255) << 16) |
(Math.round(green * 255) << 8) |
Math.round(blue * 255);
}
public static int makeColor4x(int red, int green, int blue, int alpha) {
final float X = 65536f;
return makeColor4f(red / X, green / X, blue / X, alpha / X);
}
}
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