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Use BestConfigChooser to avoid no gl config error

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seven332 committed 2016-03-09 02:08:52 +08:00
1 parent 662c1c0d9c
commit 3c815bc847
1 file changed
+24 -58
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app/src/main/java/com/hippo/gl/view/GLRootView.java
+24 -58
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@@ -120,7 +120,7 @@ public class GLRootView extends GLSurfaceView
setEGLContextClientVersion(2);
// do not need depth buffer
setEGLConfigChooser(new ComponentSizeChooser(8, 8, 8, 8, 0, 0));
setEGLConfigChooser(new BestConfigChooser());
setRenderer(this);
// setFormat is done by SurfaceView in SDK 2.3 and newer.
//if (ApiHelper.USE_888_PIXEL_FORMAT) {
@@ -715,28 +715,12 @@ public class GLRootView extends GLSurfaceView
}
}
/**
* No guarantee to choose a configuration with exactly the specified r,g,b,a,depth,stencil sizes.
* But we try our best.
*/
private static class ComponentSizeChooser extends BaseConfigChooser {
public ComponentSizeChooser(int redSize, int greenSize, int blueSize,
int alphaSize, int depthSize, int stencilSize) {
super(new int[] {
EGL10.EGL_RED_SIZE, redSize,
EGL10.EGL_GREEN_SIZE, greenSize,
EGL10.EGL_BLUE_SIZE, blueSize,
EGL10.EGL_ALPHA_SIZE, alphaSize,
EGL10.EGL_DEPTH_SIZE, depthSize,
EGL10.EGL_STENCIL_SIZE, stencilSize,
EGL10.EGL_NONE});
mValue = new int[1];
mRedSize = redSize;
mGreenSize = greenSize;
mBlueSize = blueSize;
mAlphaSize = alphaSize;
mDepthSize = depthSize;
mStencilSize = stencilSize;
private static class BestConfigChooser extends BaseConfigChooser {
private final int[] mValue = new int[1];
public BestConfigChooser() {
super(new int[] {EGL10.EGL_NONE});
}
@Override
@@ -744,41 +728,32 @@ public class GLRootView extends GLSurfaceView
EGLConfig[] configs) {
// Use score to avoid "No config chosen"
int configIndex = 0;
int minScore = Integer.MAX_VALUE;
int maxScore = 0;
for (int i = 0, n = configs.length; i < n; i++) {
EGLConfig config = configs[i];
int d = findConfigAttrib(egl, display, config,
EGL10.EGL_DEPTH_SIZE, 0);
int s = findConfigAttrib(egl, display, config,
EGL10.EGL_STENCIL_SIZE, 0);
int r = findConfigAttrib(egl, display, config,
int redSize = findConfigAttrib(egl, display, config,
EGL10.EGL_RED_SIZE, 0);
int g = findConfigAttrib(egl, display, config,
int greenSize = findConfigAttrib(egl, display, config,
EGL10.EGL_GREEN_SIZE, 0);
int b = findConfigAttrib(egl, display, config,
int blueSize = findConfigAttrib(egl, display, config,
EGL10.EGL_BLUE_SIZE, 0);
int a = findConfigAttrib(egl, display, config,
int alphaSize = findConfigAttrib(egl, display, config,
EGL10.EGL_ALPHA_SIZE, 0);
int depthSize = findConfigAttrib(egl, display, config,
EGL10.EGL_DEPTH_SIZE, 0);
int stencilSize = findConfigAttrib(egl, display, config,
EGL10.EGL_STENCIL_SIZE, 0);
int sampleBuffers = findConfigAttrib(egl, display, config,
EGL10.EGL_SAMPLE_BUFFERS, 0);
int samples = findConfigAttrib(egl, display, config,
EGL10.EGL_SAMPLES, 0);
int score = 0;
if (d < mDepthSize) {
score += 100;
} else if (d > mDepthSize) {
score += (d - mDepthSize);
}
if (s < mStencilSize) {
score += 100;
} else if (s > mStencilSize) {
score += (s - mStencilSize);
}
score += Math.abs(r - mRedSize);
score += Math.abs(g - mGreenSize);
score += Math.abs(b - mBlueSize);
score += Math.abs(a - mAlphaSize);
int score = redSize + greenSize + blueSize + alphaSize +
depthSize + stencilSize + sampleBuffers + samples;
if (score < minScore) {
minScore = score;
if (score > maxScore) {
maxScore = score;
configIndex = i;
}
}
@@ -794,14 +769,5 @@ public class GLRootView extends GLSurfaceView
}
return defaultValue;
}
private int[] mValue;
// Subclasses can adjust these values:
protected int mRedSize;
protected int mGreenSize;
protected int mBlueSize;
protected int mAlphaSize;
protected int mDepthSize;
protected int mStencilSize;
}
}