本文整理汇总了Java中android.opengl.GLES20.GL_RGBA属性的典型用法代码示例。如果您正苦于以下问题:Java GLES20.GL_RGBA属性的具体用法?Java GLES20.GL_RGBA怎么用?Java GLES20.GL_RGBA使用的例子?那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类android.opengl.GLES20
的用法示例。
在下文中一共展示了GLES20.GL_RGBA属性的6个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: YuvConverter
/**
* This class should be constructed on a thread that has an active EGL context.
*/
public YuvConverter() {
threadChecker.checkIsOnValidThread();
textureFrameBuffer = new GlTextureFrameBuffer(GLES20.GL_RGBA);
shader = new GlShader(VERTEX_SHADER, FRAGMENT_SHADER);
shader.useProgram();
texMatrixLoc = shader.getUniformLocation("texMatrix");
xUnitLoc = shader.getUniformLocation("xUnit");
coeffsLoc = shader.getUniformLocation("coeffs");
GLES20.glUniform1i(shader.getUniformLocation("oesTex"), 0);
GlUtil.checkNoGLES2Error("Initialize fragment shader uniform values.");
// Initialize vertex shader attributes.
shader.setVertexAttribArray("in_pos", 2, DEVICE_RECTANGLE);
// If the width is not a multiple of 4 pixels, the texture
// will be scaled up slightly and clipped at the right border.
shader.setVertexAttribArray("in_tc", 2, TEXTURE_RECTANGLE);
}
示例2: GlTextureFrameBuffer
/**
* Generate texture and framebuffer resources. An EGLContext must be bound on the current thread
* when calling this function. The framebuffer is not complete until setSize() is called.
*/
public GlTextureFrameBuffer(int pixelFormat) {
switch (pixelFormat) {
case GLES20.GL_LUMINANCE:
case GLES20.GL_RGB:
case GLES20.GL_RGBA:
this.pixelFormat = pixelFormat;
break;
default:
throw new IllegalArgumentException("Invalid pixel format: " + pixelFormat);
}
// Create texture.
textureId = GlUtil.generateTexture(GLES20.GL_TEXTURE_2D);
this.width = 0;
this.height = 0;
// Create framebuffer object.
final int frameBuffers[] = new int[1];
GLES20.glGenFramebuffers(1, frameBuffers, 0);
frameBufferId = frameBuffers[0];
}
示例3: generateTexture
public static int generateTexture(Size size) {
int texture;
int[] textures = new int[1];
GLES20.glGenTextures(1, textures, 0);
texture = textures[0];
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texture);
GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
int width = (int) size.width;
int height = (int) size.height;
int format = GLES20.GL_RGBA;
int type = GLES20.GL_UNSIGNED_BYTE;
GLES20.glTexImage2D(GLES20.GL_TEXTURE_2D, 0, format, width, height, 0, format, type, null);
return texture;
}
示例4: notifyCallbacks
private void notifyCallbacks(VideoFrame frame, boolean wasRendered) {
if (frameListeners.isEmpty())
return;
drawMatrix.reset();
drawMatrix.preTranslate(0.5f, 0.5f);
if (mirror)
drawMatrix.preScale(-1f, 1f);
drawMatrix.preScale(1f, -1f); // We want the output to be upside down for Bitmap.
drawMatrix.preTranslate(-0.5f, -0.5f);
Iterator<FrameListenerAndParams> it = frameListeners.iterator();
while (it.hasNext()) {
FrameListenerAndParams listenerAndParams = it.next();
if (!wasRendered && listenerAndParams.applyFpsReduction) {
continue;
}
it.remove();
final int scaledWidth = (int) (listenerAndParams.scale * frame.getRotatedWidth());
final int scaledHeight = (int) (listenerAndParams.scale * frame.getRotatedHeight());
if (scaledWidth == 0 || scaledHeight == 0) {
listenerAndParams.listener.onFrame(null);
continue;
}
if (bitmapTextureFramebuffer == null) {
bitmapTextureFramebuffer = new GlTextureFrameBuffer(GLES20.GL_RGBA);
}
bitmapTextureFramebuffer.setSize(scaledWidth, scaledHeight);
GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, bitmapTextureFramebuffer.getFrameBufferId());
GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0,
GLES20.GL_TEXTURE_2D, bitmapTextureFramebuffer.getTextureId(), 0);
GLES20.glClearColor(0 /* red */, 0 /* green */, 0 /* blue */, 0 /* alpha */);
GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT);
frameDrawer.drawFrame(frame, listenerAndParams.drawer, drawMatrix, 0 /* viewportX */,
0 /* viewportY */, scaledWidth, scaledHeight);
final ByteBuffer bitmapBuffer = ByteBuffer.allocateDirect(scaledWidth * scaledHeight * 4);
GLES20.glViewport(0, 0, scaledWidth, scaledHeight);
GLES20.glReadPixels(
0, 0, scaledWidth, scaledHeight, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, bitmapBuffer);
GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);
GlUtil.checkNoGLES2Error("EglRenderer.notifyCallbacks");
final Bitmap bitmap = Bitmap.createBitmap(scaledWidth, scaledHeight, Bitmap.Config.ARGB_8888);
bitmap.copyPixelsFromBuffer(bitmapBuffer);
listenerAndParams.listener.onFrame(bitmap);
}
}
示例5: notifyCallbacks
private void notifyCallbacks(VideoRenderer.I420Frame frame, float[] texMatrix) {
// Make temporary copy of callback list to avoid ConcurrentModificationException, in case
// callbacks call addFramelistener or removeFrameListener.
final ArrayList<FrameListenerAndParams> tmpList;
if (frameListeners.isEmpty())
return;
tmpList = new ArrayList<>(frameListeners);
frameListeners.clear();
final float[] bitmapMatrix = RendererCommon.multiplyMatrices(
RendererCommon.multiplyMatrices(texMatrix,
mirror ? RendererCommon.horizontalFlipMatrix() : RendererCommon.identityMatrix()),
RendererCommon.verticalFlipMatrix());
for (FrameListenerAndParams listenerAndParams : tmpList) {
final int scaledWidth = (int) (listenerAndParams.scale * frame.rotatedWidth());
final int scaledHeight = (int) (listenerAndParams.scale * frame.rotatedHeight());
if (scaledWidth == 0 || scaledHeight == 0) {
listenerAndParams.listener.onFrame(null);
continue;
}
if (bitmapTextureFramebuffer == null) {
bitmapTextureFramebuffer = new GlTextureFrameBuffer(GLES20.GL_RGBA);
}
bitmapTextureFramebuffer.setSize(scaledWidth, scaledHeight);
GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, bitmapTextureFramebuffer.getFrameBufferId());
GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0,
GLES20.GL_TEXTURE_2D, bitmapTextureFramebuffer.getTextureId(), 0);
if (frame.yuvFrame) {
listenerAndParams.drawer.drawYuv(yuvTextures, bitmapMatrix, frame.rotatedWidth(),
frame.rotatedHeight(), 0 /* viewportX */, 0 /* viewportY */, scaledWidth, scaledHeight);
} else {
listenerAndParams.drawer.drawOes(frame.textureId, bitmapMatrix, frame.rotatedWidth(),
frame.rotatedHeight(), 0 /* viewportX */, 0 /* viewportY */, scaledWidth, scaledHeight);
}
final ByteBuffer bitmapBuffer = ByteBuffer.allocateDirect(scaledWidth * scaledHeight * 4);
GLES20.glViewport(0, 0, scaledWidth, scaledHeight);
GLES20.glReadPixels(
0, 0, scaledWidth, scaledHeight, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, bitmapBuffer);
GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);
GlUtil.checkNoGLES2Error("EglRenderer.notifyCallbacks");
final Bitmap bitmap = Bitmap.createBitmap(scaledWidth, scaledHeight, Bitmap.Config.ARGB_8888);
bitmap.copyPixelsFromBuffer(bitmapBuffer);
listenerAndParams.listener.onFrame(bitmap);
}
}
示例6: notifyCallbacks
private void notifyCallbacks(
VideoRenderer.I420Frame frame, int[] yuvTextures, float[] texMatrix, boolean wasRendered) {
if (frameListeners.isEmpty())
return;
final float[] bitmapMatrix = RendererCommon.multiplyMatrices(
RendererCommon.multiplyMatrices(texMatrix,
mirror ? RendererCommon.horizontalFlipMatrix() : RendererCommon.identityMatrix()),
RendererCommon.verticalFlipMatrix());
Iterator<FrameListenerAndParams> it = frameListeners.iterator();
while (it.hasNext()) {
FrameListenerAndParams listenerAndParams = it.next();
if (!wasRendered && listenerAndParams.applyFpsReduction) {
continue;
}
it.remove();
final int scaledWidth = (int) (listenerAndParams.scale * frame.rotatedWidth());
final int scaledHeight = (int) (listenerAndParams.scale * frame.rotatedHeight());
if (scaledWidth == 0 || scaledHeight == 0) {
listenerAndParams.listener.onFrame(null);
continue;
}
if (bitmapTextureFramebuffer == null) {
bitmapTextureFramebuffer = new GlTextureFrameBuffer(GLES20.GL_RGBA);
}
bitmapTextureFramebuffer.setSize(scaledWidth, scaledHeight);
GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, bitmapTextureFramebuffer.getFrameBufferId());
GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0,
GLES20.GL_TEXTURE_2D, bitmapTextureFramebuffer.getTextureId(), 0);
GLES20.glClearColor(0 /* red */, 0 /* green */, 0 /* blue */, 0 /* alpha */);
GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT);
if (frame.yuvFrame) {
listenerAndParams.drawer.drawYuv(yuvTextures, bitmapMatrix, frame.rotatedWidth(),
frame.rotatedHeight(), 0 /* viewportX */, 0 /* viewportY */, scaledWidth, scaledHeight);
} else {
listenerAndParams.drawer.drawOes(frame.textureId, bitmapMatrix, frame.rotatedWidth(),
frame.rotatedHeight(), 0 /* viewportX */, 0 /* viewportY */, scaledWidth, scaledHeight);
}
final ByteBuffer bitmapBuffer = ByteBuffer.allocateDirect(scaledWidth * scaledHeight * 4);
GLES20.glViewport(0, 0, scaledWidth, scaledHeight);
GLES20.glReadPixels(
0, 0, scaledWidth, scaledHeight, GLES20.GL_RGBA, GLES20.GL_UNSIGNED_BYTE, bitmapBuffer);
GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);
GlUtil.checkNoGLES2Error("EglRenderer.notifyCallbacks");
final Bitmap bitmap = Bitmap.createBitmap(scaledWidth, scaledHeight, Bitmap.Config.ARGB_8888);
bitmap.copyPixelsFromBuffer(bitmapBuffer);
listenerAndParams.listener.onFrame(bitmap);
}
}