private void loadShaders() {
if (phenixLineProgram != null && postProgram != null) {
return;
}
try {
ShaderManager shaderManager = ShaderManager.getSingletonObject();
Shader vertex =
shaderManager.createVertexShader(
ResourceHelper.loadRawString(openResource(R.raw.phenix_line_vertex)));
Shader fragment =
shaderManager.createFragmentShader(
ResourceHelper.loadRawString(openResource(R.raw.phenix_line_fragment)));
phenixLineProgram = shaderManager.createShaderProgram(vertex, fragment);
vertex =
shaderManager.createVertexShader(
ResourceHelper.loadRawString(openResource(R.raw.post_blur_vertex)));
fragment =
shaderManager.createFragmentShader(
ResourceHelper.loadRawString(openResource(R.raw.post_blur_fragment)));
postProgram = shaderManager.createShaderProgram(vertex, fragment);
} catch (Exception ex) {
Log.e(TAG, "Unable to load shaders from resources " + ex.toString());
}
}
@Override
public void onSurfaceChanged(GL10 unused, int width, int height) {
ShaderManager.getSingletonObject().cleanUp();
GLES20.glViewport(0, 0, width, height);
float scale = 0.1f;
float ratio = scale * width / height;
Matrix.frustumM(P_matrix, 0, -ratio, ratio, -scale, scale, 0.1f, 100.0f);
surfaceWidth = width;
surfaceHeight = height;
if (!useNonPowerOfTwoTextures_) {
// lets make framebuffer have power of 2 dimension
// and it should be less then display size
frameBufferWidth = 1 << (int) (Math.log(width) / Math.log(2));
if (frameBufferWidth == surfaceWidth) frameBufferWidth >>= 1;
frameBufferHeight = 1 << (int) (Math.log(height) / Math.log(2));
if (frameBufferHeight == surfaceHeight) frameBufferHeight >>= 1;
} else {
frameBufferWidth = surfaceWidth;
frameBufferHeight = surfaceHeight;
}
if (!useNonSquareTextures_) {
// http://code.google.com/p/android/issues/detail?id=14835
// The size of the FBO should have square size.
if (frameBufferHeight > frameBufferWidth) {
frameBufferWidth = frameBufferHeight;
} else if (frameBufferWidth > frameBufferHeight) {
frameBufferHeight = frameBufferWidth;
}
}
if (useSmallerTextures_) {
frameBufferWidth >>= 1;
frameBufferHeight >>= 1;
}
Log.i(
"BL***",
"frameBufferWidth=" + frameBufferWidth + " frameBufferHeight=" + frameBufferHeight);
for (int i = 0; i < renderTextures.length; ++i) {
if (renderTextures[i] != null) {
renderTextures[i].update(frameBufferWidth, frameBufferHeight);
}
}
resetFramebuffers = true;
}
@Override
public void onSurfaceCreated(GL10 unused, EGLConfig config) {
ShaderManager.getSingletonObject().unloadAll();
ShaderManager.getSingletonObject().cleanUp();
TextureManager.getSingletonObject().unloadAll();
TextureManager.getSingletonObject().cleanUp();
loadResources();
if (phenixLineProgram != null) {
phenixLineProgram.load();
}
ShaderManager.getSingletonObject().unloadAllShaders();
renderTextures = new RenderTexture[2];
frameBuffers = new FrameBuffer[2];
setupFrameBuffer(unused);
Matrix.setLookAtM(V_matrix, 0, 0, 0, 1.0f, 0f, 0f, 0f, 0f, -1.0f, 0.0f);
Matrix.orthoM(Q_matrix, 0, 0, 1, 0, 1, -1, 1);
}