本文整理汇总了Java中com.jogamp.opengl.GL4.glClearBufferSubData方法的典型用法代码示例。如果您正苦于以下问题：Java GL4.glClearBufferSubData方法的具体用法？Java GL4.glClearBufferSubData怎么用？Java GL4.glClearBufferSubData使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.jogamp.opengl.GL4的用法示例。
在下文中一共展示了GL4.glClearBufferSubData方法的2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: render
import com.jogamp.opengl.GL4; //导入方法依赖的package包/类
@Override
protected boolean render(GL gl) {
GL4 gl4 = (GL4) gl;
gl4.glBindBuffer(GL_ATOMIC_COUNTER_BUFFER, bufferName.get(Buffer.ATOMIC_COUNTER));
int[] data = {0};
IntBuffer dataBuffer = GLBuffers.newDirectIntBuffer(data);
gl4.glClearBufferSubData(GL_ATOMIC_COUNTER_BUFFER, GL_R8UI, 0, Integer.BYTES, GL_RGBA, GL_UNSIGNED_INT,
dataBuffer);
BufferUtils.destroyDirectBuffer(dataBuffer);
gl4.glViewportIndexedf(0, 0, 0, windowSize.x, windowSize.y);
gl4.glBindProgramPipeline(pipelineName.get(0));
gl4.glBindVertexArray(vertexArrayName.get(0));
gl4.glBindBufferBase(GL_ATOMIC_COUNTER_BUFFER, 0, bufferName.get(Buffer.ATOMIC_COUNTER));
gl4.glDrawArraysInstancedBaseInstance(GL_TRIANGLES, 0, 3, 1, 0);
return true;
}
示例2: render
import com.jogamp.opengl.GL4; //导入方法依赖的package包/类
@Override
protected boolean render(GL gl) {
GL4 gl4 = (GL4) gl;
// Setup blending
gl4.glEnable(GL_BLEND);
gl4.glBlendEquation(GL_FUNC_ADD);
gl4.glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
{
gl4.glBindBuffer(GL_UNIFORM_BUFFER, bufferName.get(Buffer.TRANSFORM));
ByteBuffer pointer = gl4.glMapBufferRange(
GL_UNIFORM_BUFFER, 0, Mat4.SIZE,
GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);
Mat4 projection = glm.perspective_((float) Math.PI * 0.25f, (float) windowSize.x / windowSize.y, 0.1f, 100.0f);
Mat4 model = new Mat4(1.0f);
Mat4 mvp = projection.mul(viewMat4()).mul(model);
mvp.toDbb(pointer);
gl4.glUnmapBuffer(GL_UNIFORM_BUFFER);
}
IntBuffer data = IntBuffer.wrap(new int[]{0});
gl4.glBindBuffer(GL_ATOMIC_COUNTER_BUFFER, bufferName.get(Buffer.ATOMIC_COUNTER));
gl4.glClearBufferSubData(GL_ATOMIC_COUNTER_BUFFER, GL_R8UI, 0, Integer.BYTES, GL_RGBA, GL_UNSIGNED_INT, data);
gl4.glViewportIndexedf(0, 0, 0, windowSize.x, windowSize.y);
gl4.glClearBufferfv(GL_COLOR, 0, clearColor.put(0, 0.0f).put(1, 0.0f).put(2, 0.0f).put(3, 1.0f));
gl4.glBindProgramPipeline(pipelineName.get(0));
gl4.glBindVertexArray(vertexArrayName.get(0));
gl4.glBindBufferBase(GL_ATOMIC_COUNTER_BUFFER, 0, bufferName.get(Buffer.ATOMIC_COUNTER));
gl4.glBindBufferBase(GL_UNIFORM_BUFFER, Semantic.Uniform.TRANSFORM0, bufferName.get(Buffer.TRANSFORM));
gl4.glDrawElementsInstancedBaseVertexBaseInstance(GL_TRIANGLES, elementCount, GL_UNSIGNED_SHORT, 0, 5, 0, 0);
return true;
}