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| public class MyRenderer implements GLSurfaceView.Renderer {
public static final int recWidth = 320;
public static final int recHeight = 240;
private static final int U_INDEX = recWidth * recHeight;
private static final int V_INDEX = recWidth * recHeight * 5 / 4;
private static final int LENGTH = recWidth * recHeight;
private static final int LENGTH_4 = recWidth * recHeight / 4;
private int previewFrameWidth = 320;
private int previewFrameHeight = 240;
private int[] yTextureNames;
private int[] uTextureNames;
private int[] vTextureNames;
private FloatBuffer mVertices;
private ShortBuffer mIndices;
private int mProgramObject;
private int mPositionLoc;
private int mTexCoordLoc;
private int yTexture;
private int uTexture;
private int vTexture;
private final float[] mVerticesData = {-1.f, 1.f, 0.0f, // Position 0
0.0f, 0.0f, // TexCoord 0
-1.f, -1.f, 0.0f, // Position 1
0.0f, 1.0f, // TexCoord 1
1.f, -1.f, 0.0f, // Position 2
1.0f, 1.0f, // TexCoord 2
1.f, 1.f, 0.0f, // Position 3
1.0f, 0.0f // TexCoord 3
};
private final short[] mIndicesData = {0, 1, 2, 0, 2, 3};
private ByteBuffer yBuffer;
private ByteBuffer uBuffer;
private ByteBuffer vBuffer;
private IntBuffer frameBuffer;
private IntBuffer renderBuffer;
private IntBuffer parameterBufferWidth;
private IntBuffer parameterBufferHeigth;
byte[] ydata = new byte[LENGTH];
byte[] uData = new byte[LENGTH_4];
byte[] vData = new byte[LENGTH_4];
public MyRenderer() {
mVertices = ByteBuffer.allocateDirect(mVerticesData.length * 4).order(ByteOrder.nativeOrder()).asFloatBuffer();
mVertices.put(mVerticesData).position(0);
mIndices = ByteBuffer.allocateDirect(mIndicesData.length * 2)
.order(ByteOrder.nativeOrder()).asShortBuffer();
mIndices.put(mIndicesData).position(0);
yBuffer = ByteBuffer.allocateDirect(LENGTH);//MyGraphUtils.makeByteBuffer(LENGTH);
uBuffer = ByteBuffer.allocateDirect(LENGTH_4);//MyGraphUtils.makeByteBuffer(LENGTH_4/* * 2*/);
vBuffer = ByteBuffer.allocateDirect(LENGTH_4);//MyGraphUtils.makeByteBuffer(LENGTH_4);
}
@Override
public void onSurfaceChanged(GL10 gl, int width, int height) {
Log.d("debug", "onSurfaceChanged");
GLES30.glActiveTexture(GLES30.GL_ACTIVE_TEXTURE);
// CameraGLRenderer.checkGlError("toto");
GLES30.glViewport(0, 0, width, height);
// CameraGLRenderer.checkGlError("toto");
}
@Override
public void onSurfaceCreated(GL10 gl10, javax.microedition.khronos.egl.EGLConfig eglConfig) {
// public void onSurfaceCreated(GL10 gl, EGLConfig config) {
Log.d("debug", "on surface created");
// Define a simple shader program for our point.
//Our vertex shader code; nothing special
String vShaderStr =
"attribute vec4 a_position; \n" +
"attribute vec2 a_texCoord; \n" +
"varying vec2 v_texCoord; \n" +
"void main(){ \n" +
" gl_Position = a_position; \n" +
" v_texCoord = a_texCoord; \n" +
"} \n";
//Our fragment shader code; takes Y,U,V values for each pixel and calculates R,G,B colors,
//Effectively making YUV to RGB conversion
String fShaderStr =
"#ifdef GL_ES \n" +
"precision highp float; \n" +
"#endif \n" +
"varying vec2 v_texCoord; \n" +
"uniform sampler2D y_texture; \n" +
"uniform sampler2D u_texture; \n" +
"uniform sampler2D v_texture; \n" +
//
"void main (void){ \n" +
" float r, g, b, y, u, v; \n" +
//
// //We had put the Y values of each pixel to the R,G,B components by GL_LUMINANCE,
//// //that's why we're pulling it from the R component, we could also use G or B
" y = texture2D(y_texture, v_texCoord).r; \n" +
//
//// //We had put the U and V values of each pixel to the A and R,G,B components of the
//// //texture respectively using GL_LUMINANCE_ALPHA. Since U,V bytes are interspread
//// //in the texture, this is probably the fastest way to use them in the shader
" u = texture2D(u_texture, v_texCoord).a - 0.5; \n" +
" v = texture2D(v_texture, v_texCoord).r - 0.5; \n" +
//
//
// //The numbers are just YUV to RGB conversion constants
" r = y;\n" +
" g = u;\n" +
" b = y ;\n" +
//We finally set the RGB color of our pixel
" gl_FragColor = vec4(r, g, b, 0.0);\n" +
"} \n";
frameBuffer = IntBuffer.allocate(1);
renderBuffer= IntBuffer.allocate(1);
GLES30.glEnable(GLES30.GL_TEXTURE_2D);
//
GLES30.glGenFramebuffers(1, frameBuffer);
GLES30.glGenRenderbuffers(1, renderBuffer);
GLES30.glActiveTexture(GLES30.GL_ACTIVE_TEXTURE);
GLES30.glBindFramebuffer(GLES30.GL_FRAMEBUFFER, frameBuffer.get(0));
GLES30.glClear(0);
GLES30.glBindRenderbuffer(GLES30.GL_RENDERBUFFER, renderBuffer.get(0));
GLES30.glRenderbufferStorage(GLES30.GL_RENDERBUFFER, GLES30.GL_DEPTH_COMPONENT16,
320, 240);
//
parameterBufferHeigth = IntBuffer.allocate(1);
parameterBufferWidth = IntBuffer.allocate(1);
GLES30.glGetRenderbufferParameteriv(GLES30.GL_RENDERBUFFER, GLES30.GL_RENDERBUFFER_WIDTH, parameterBufferWidth);
GLES30.glGetRenderbufferParameteriv(GLES30.GL_RENDERBUFFER, GLES30.GL_RENDERBUFFER_HEIGHT, parameterBufferHeigth);
GLES30.glFramebufferRenderbuffer(GLES30.GL_FRAMEBUFFER, GLES30.GL_COLOR_ATTACHMENT0, GLES30.GL_RENDERBUFFER, renderBuffer.get(0));
if (GLES30.glCheckFramebufferStatus(GLES30.GL_FRAMEBUFFER)!=GLES30.GL_FRAMEBUFFER_COMPLETE){
Log.d("debug", "gl frame buffer status != frame buffer complete");
}
GLES30.glBindFramebuffer(GLES30.GL_FRAMEBUFFER, 0);
GLES30.glClear(0);
mProgramObject = loadProgram(vShaderStr, fShaderStr);
//
// // Get the attribute locations
mPositionLoc = GLES30.glGetAttribLocation(mProgramObject, "a_position");
mTexCoordLoc = GLES30.glGetAttribLocation(mProgramObject, "a_texCoord");
//
GLES30.glEnable(GLES30.GL_TEXTURE_2D);
yTexture = GLES30.glGetUniformLocation(mProgramObject, "y_texture");
yTextureNames = new int[1];
GLES30.glGenTextures(1, yTextureNames, 0);
int yTextureName = yTextureNames[0];
GLES30.glEnable(GLES30.GL_TEXTURE_2D);
uTexture = GLES30.glGetUniformLocation(mProgramObject, "u_texture");
uTextureNames = new int[1];
GLES30.glGenTextures(1, uTextureNames, 0);
int uTextureName = uTextureNames[0];
GLES30.glEnable(GLES30.GL_TEXTURE_2D);
vTexture = GLES30.glGetUniformLocation(mProgramObject, "v_texture");
vTextureNames = new int[1];
GLES30.glGenTextures(1, vTextureNames, 0);
int vTextureName = vTextureNames[0];
GLES30.glClearColor(1.0f, 0.0f, 0.0f, 0.0f);
//
}
float val = 0.01f;
@Override
public final void onDrawFrame(GL10 gl) {
Log.d("debug", "on Draw frame");
// // Clear the color buffer
GLES30.glClear(GLES30.GL_COLOR_BUFFER_BIT);
val+= 0.05;
if(val>1.0f)
val = 0.f;
GLES30.glClearColor(val, 0.0f, 0.0f, 0.0f);
// if(val < 0.5f)
// return;
yBuffer.clear();
Log.d("draw", "Draw " + (val *255.0));
for(int i=0;i<LENGTH;i++) {
yBuffer.put((byte)(val *255.0));
}
yBuffer.position(0);
for(int i=0;i<LENGTH_4;i++) {
uBuffer.put((byte)(val *255.0));
}
uBuffer.position(0);
// Use the program object
GLES30.glUseProgram(mProgramObject);
// Load the vertex position
mVertices.position(0);
GLES30.glVertexAttribPointer(mPositionLoc, 3, GLES30.GL_FLOAT, false, 5*4, mVertices);
mVertices.position(3);
GLES30.glVertexAttribPointer(mTexCoordLoc, 2, GLES30.GL_FLOAT, false, 5*4, mVertices);
GLES30.glEnableVertexAttribArray(mPositionLoc);
GLES30.glEnableVertexAttribArray(mTexCoordLoc);
GLES30.glBindTexture(GLES30.GL_TEXTURE_2D, yTextureNames[0]);
GLES30.glTexImage2D( GLES30.GL_TEXTURE_2D, 0, GLES30.GL_LUMINANCE,
320, 240, 0, GLES30.GL_LUMINANCE, GLES30.GL_UNSIGNED_BYTE, yBuffer);
GLES30.glTexParameteri(GLES30.GL_TEXTURE_2D, GLES30.GL_TEXTURE_MIN_FILTER, GLES30.GL_LINEAR);
GLES30.glTexParameteri(GLES30.GL_TEXTURE_2D, GLES30.GL_TEXTURE_MAG_FILTER, GLES30.GL_LINEAR);
GLES30.glTexParameterf(GLES30.GL_TEXTURE_2D, GLES30.GL_TEXTURE_WRAP_S, GLES30.GL_CLAMP_TO_EDGE);
GLES30.glTexParameterf(GLES30.GL_TEXTURE_2D, GLES30.GL_TEXTURE_WRAP_T, GLES30.GL_CLAMP_TO_EDGE);
GLES30.glActiveTexture(GLES30.GL_TEXTURE1);
GLES30.glBindTexture(GLES30.GL_TEXTURE_2D, yTextureNames[0]);
GLES30.glUniform1i(yTexture, 0);
GLES30.glBindTexture(GLES30.GL_TEXTURE_2D, uTextureNames[0]);
GLES30.glTexImage2D( GLES30.GL_TEXTURE_2D, 0, GLES30.GL_LUMINANCE,
160, 120, 0, GLES30.GL_LUMINANCE, GLES30.GL_UNSIGNED_BYTE, uBuffer);
GLES30.glTexParameteri(GLES30.GL_TEXTURE_2D, GLES30.GL_TEXTURE_MIN_FILTER, GLES30.GL_LINEAR);
GLES30.glTexParameteri(GLES30.GL_TEXTURE_2D, GLES30.GL_TEXTURE_MAG_FILTER, GLES30.GL_LINEAR);
GLES30.glTexParameterf(GLES30.GL_TEXTURE_2D, GLES30.GL_TEXTURE_WRAP_S, GLES30.GL_CLAMP_TO_EDGE);
GLES30.glTexParameterf(GLES30.GL_TEXTURE_2D, GLES30.GL_TEXTURE_WRAP_T, GLES30.GL_CLAMP_TO_EDGE);
GLES30.glActiveTexture(GLES30.GL_TEXTURE1+2);
GLES30.glBindTexture(GLES30.GL_TEXTURE_2D, uTextureNames[0]);
GLES30.glUniform1i(uTexture, 2);
GLES30.glBindTexture(GLES30.GL_TEXTURE_2D, vTextureNames[0]);
GLES30.glTexImage2D( GLES30.GL_TEXTURE_2D, 0, GLES30.GL_LUMINANCE,
160, 120, 0, GLES30.GL_LUMINANCE, GLES30.GL_UNSIGNED_BYTE, vBuffer);
GLES30.glTexParameteri(GLES30.GL_TEXTURE_2D, GLES30.GL_TEXTURE_MIN_FILTER, GLES30.GL_LINEAR);
GLES30.glTexParameteri(GLES30.GL_TEXTURE_2D, GLES30.GL_TEXTURE_MAG_FILTER, GLES30.GL_LINEAR);
GLES30.glTexParameterf(GLES30.GL_TEXTURE_2D, GLES30.GL_TEXTURE_WRAP_S, GLES30.GL_CLAMP_TO_EDGE);
GLES30.glTexParameterf(GLES30.GL_TEXTURE_2D, GLES30.GL_TEXTURE_WRAP_T, GLES30.GL_CLAMP_TO_EDGE);
GLES30.glActiveTexture(GLES30.GL_TEXTURE1+1);
GLES30.glBindTexture(GLES30.GL_TEXTURE_2D, vTextureNames[0]);
GLES30.glUniform1i(vTexture, 1);
GLES30.glDrawElements(GLES30.GL_TRIANGLES, 6, GLES30.GL_UNSIGNED_SHORT, mIndices);
// CameraGLRenderer.checkGlError("toto");
}
} |
