GL_EXT_shader_framebuffer_fetch_non_coherent 是OpenGL ES 的一个扩展,它允许在片段着色器(Fragment Shader)中读取前一帧缓冲区(Framebuffer)的数据。这个扩展与 GL_EXT_shader_framebuffer_fetch 类似,但提供了对非相干(non-coherent)读取的支持,即不保证读取的数据与前一帧完全同步。 详细说明 扩展名称:GL_EX...
processInput(window);// 处理键盘/鼠标输入glClearColor(0,0,0,1);// 设置清屏颜色glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);// 清除颜色和深度缓存glUseProgram(shaderProgram);// 使用着色器程序glBindVertexArray(VAO);// 绑定 VAOglDrawArrays(...); 或 glDrawElements(...);// 绘制图形g...
(frameBufferTexture)附着到FBO的颜色附着点,这时,...设定过滤器,告诉OpenGL当画面过大或过小时应该怎么处理(使用纹理映射对画面裁剪更方便) GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,...} /** * 加载着色器,GL_VERTEX_SHADER代表生成顶点着色器,GL_FRAGMENT_SHADER代表生成片段着色器 */ fun loadShader...
On exit the framebuffer & * texture are populated with the values computed in the fragment shader. * Use gl.readPixels to retrieve texture values. */ this.initialize = function(width, height) { gl.useProgram(program); gpgpUtility.getStandardVertices(); gl.vertexAttribPointer( positionHandle,...
提示'GL_EXT_shader_framebuffer_fetch' : extension is not supported: D/skia (14043): Shader compilation error D/skia (14043): --- D/skia (14043): 1 #version 300 es D/skia (14043): 2 D/skia (14043): 3 #extension GL_EXT_shader_framebuffer_fetch : require D/skia (14043): 4 pre...
var GL_FRAGMENT_SHADER_DISCARDS_SAMPLES_EXT: Int32 var GL_FRAMEBUFFER: Int32 var GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE: Int32 var GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE: Int32 var GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING: Int32 var GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT: Int32 var GL_FRAME...
片段着色器(Fragment Shader):对每个像素(片段)进行处理,计算其颜色、深度、法线、纹理坐标等。输出合成阶段(Output Assembly Stage): 提交片段(Fragment Submission):将片段传递给深度测试、模板测试等。像素操作(Pixel Operations):执行混合、遮罩、多重采样等操作。帧缓冲写入(Framebuffer Write):将最终的像素值写入...
Helper to read a block of pixels from a specified rectangle of the current color framebuffer.Kind: static method of ctxParamType viewport Objectctx.update(resource, opts)Update a resource.Kind: static method of ctxParamType resource PexResource opts object...
这种中间渲染结果，就保存在帧缓冲区对象（framebuffer object，简称FBO）中，用来替代颜色缓冲区或深度...
InvalidateSubFramebuffer IsBuffer IsEnabled IsFramebuffer IsProgram IsQuery IsRenderbuffer IsSampler IsShader IsSync IsTexture IsTransformFeedback IsVertexArray 宽 LinkProgram MapBufferRange PauseTransformFeedback PixelStore PolygonOffset ProgramBinary ProgramParameter ReadBuffer ReadPixels ReleaseShaderCompiler ...