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Substitute RBO for texture as FBO color attachment

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Signed-off-by: Leo Ma <begeekmyfriend@gmail.com>
camera2
Leo Ma 9 years ago
parent 81696ed5ad
commit 51571ce94a
1 changed files with 22 additions and 25 deletions
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47
app/src/main/java/com/seu/magicfilter/base/gpuimage/GPUImageFilter.java
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@ -19,6 +19,7 @@ package com.seu.magicfilter.base.gpuimage;
import android.graphics.PointF;
import android.opengl.GLES11Ext;
import android.opengl.GLES20;
import android.opengl.GLES30;
import com.seu.magicfilter.utils.MagicFilterType;
import com.seu.magicfilter.utils.OpenGlUtils;
@ -55,11 +56,11 @@ public class GPUImageFilter {
protected FloatBuffer mGLTextureBuffer;
private int[] mGLCubeId;
private int[] mGLTextureId;
private int[] mGLTextureCoordinateId;
private float[] mGLTextureTransformMatrix;
private int[] mGLFboId;
private int[] mGLFboTextureId;
private int[] mGLRboId;
private IntBuffer mGLFboBuffer;
public GPUImageFilter() {
@ -134,14 +135,14 @@ public class GPUImageFilter {
private void initVbo() {
mGLCubeId = new int[1];
mGLTextureId = new int[1];
mGLTextureCoordinateId = new int[1];
GLES20.glGenBuffers(1, mGLCubeId, 0);
GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, mGLCubeId[0]);
GLES20.glBufferData(GLES20.GL_ARRAY_BUFFER, mGLCubeBuffer.capacity() * 4, mGLCubeBuffer, GLES20.GL_STATIC_DRAW);
GLES20.glGenBuffers(1, mGLTextureId, 0);
GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, mGLTextureId[0]);
GLES20.glGenBuffers(1, mGLTextureCoordinateId, 0);
GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, mGLTextureCoordinateId[0]);
GLES20.glBufferData(GLES20.GL_ARRAY_BUFFER, mGLTextureBuffer.capacity() * 4, mGLTextureBuffer, GLES20.GL_STATIC_DRAW);
}
@ -150,9 +151,9 @@ public class GPUImageFilter {
GLES20.glDeleteBuffers(1, mGLCubeId, 0);
mGLCubeId = null;
}
if (mGLTextureId != null) {
GLES20.glDeleteBuffers(1, mGLTextureId, 0);
mGLTextureId = null;
if (mGLTextureCoordinateId != null) {
GLES20.glDeleteBuffers(1, mGLTextureCoordinateId, 0);
mGLTextureCoordinateId = null;
}
}
@ -162,27 +163,22 @@ public class GPUImageFilter {
}
mGLFboId = new int[1];
mGLFboTextureId = new int[1];
mGLRboId = new int[1];
mGLFboBuffer = IntBuffer.allocate(width * height);
GLES20.glGenFramebuffers(1, mGLFboId, 0);
GLES20.glGenTextures(1, mGLFboTextureId, 0);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mGLFboTextureId[0]);
GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, GLES20.GL_RGBA, width, height, 0, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, null);
GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
GLES20.glGenRenderbuffers(1, mGLRboId, 0);
GLES20.glBindRenderbuffer(GLES20.GL_RENDERBUFFER, mGLRboId[0]);
GLES20.glRenderbufferStorage(GLES20.GL_RENDERBUFFER, GLES30.GL_RGBA8, width, height);
GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, mGLFboId[0]);
GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_TEXTURE_2D, mGLFboTextureId[0], 0);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, 0);
GLES20.glFramebufferRenderbuffer(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_RENDERBUFFER, mGLRboId[0]);
GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);
}
private void destroyFboTexture() {
if (mGLFboTextureId != null) {
GLES20.glDeleteTextures(1, mGLFboTextureId, 0);
mGLFboTextureId = null;
if (mGLRboId != null) {
GLES20.glDeleteRenderbuffers(1, mGLRboId, 0);
mGLRboId = null;
}
if (mGLFboId != null) {
GLES20.glDeleteFramebuffers(1, mGLFboId, 0);
@ -238,7 +234,7 @@ public class GPUImageFilter {
GLES20.glEnableVertexAttribArray(mGLPositionIndex);
GLES20.glVertexAttribPointer(mGLPositionIndex, 2, GLES20.GL_FLOAT, false, 4 * 2, 0);
GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, mGLTextureId[0]);
GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, mGLTextureCoordinateId[0]);
GLES20.glEnableVertexAttribArray(mGLTextureCoordinateIndex);
GLES20.glVertexAttribPointer(mGLTextureCoordinateIndex, 2, GLES20.GL_FLOAT, false, 4 * 2, 0);
@ -271,7 +267,7 @@ public class GPUImageFilter {
GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, 0);
return needFbo ? mGLFboTextureId[0] : OpenGlUtils.ON_DRAWN;
return OpenGlUtils.ON_DRAWN;
}
public int onDrawFrameOES(int textureId, boolean needFbo) {
@ -290,7 +286,7 @@ public class GPUImageFilter {
GLES20.glEnableVertexAttribArray(mGLPositionIndex);
GLES20.glVertexAttribPointer(mGLPositionIndex, 2, GLES20.GL_FLOAT, false, 4 * 2, 0);
GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, mGLTextureId[0]);
GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, mGLTextureCoordinateId[0]);
GLES20.glEnableVertexAttribArray(mGLTextureCoordinateIndex);
GLES20.glVertexAttribPointer(mGLTextureCoordinateIndex, 2, GLES20.GL_FLOAT, false, 4 * 2, 0);
@ -323,7 +319,7 @@ public class GPUImageFilter {
GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, 0);
return needFbo ? mGLFboTextureId[0] : OpenGlUtils.ON_DRAWN;
return OpenGlUtils.ON_DRAWN;
}
protected void onDrawArraysPre() {}
@ -465,3 +461,4 @@ public class GPUImageFilter {
}
}
}

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