JIT Spraying Never Dies
JIT%20Spraying%20Never%20Dies%20-%20Bypass%20CFG%20By%20Leveraging%20WARP%20Shader%20JIT%20Spraying
JIT%20Spraying%20Never%20Dies%20-%20Bypass%20CFG%20By%20Leveraging%20WARP%20Shader%20JIT%20Spraying
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WebGL and Its Usage<br />
• WebGL (Web Graphics Library)<br />
– a JavaScript API for rendering interactive 3D computer graphics and 2D graphics within any<br />
compatible web browser without the use of plug-ins.<br />
– WebGL programs consist of control code written in JavaScript and shader code (GLSL).<br />
– Officially supported by MS IE11 & Edge.<br />
• Create a WebGL Shader program<br />
1. Define Shaders with GLSL in the page.<br />
2. Add a Canvas element to the page, and create a new WebGL rendering context<br />
(getContext("experimental-webgl")).<br />
3. Get Shader source code and compile shader (createShader, shaderSource, compileShader).<br />
4. Attach Shaders to program and link program (createProgram, attachShader, linkProgram) .<br />
5. Feed data from JavaScript into Shader program through attribute or uniform<br />
(getAttribLocation, enableVertexAttribArray, bindBuffer, vertexAttribPointer,<br />
getUniformLocation , uniformxxx).<br />
6. Draw to the screen (drawArrays, drawElements).
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