mirror_js/WebGL-Fluid-Simulation
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optimization

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Pavel Dobryakov
2017-11-23 20:52:47 +03:00
parent 08337a801c
commit c832389cd9
1 changed files with 9 additions and 2 deletions
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11
script.js
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@@ -507,7 +507,11 @@ function update () {
blit(divergence[1]); blit(divergence[1]);
clearProgram.bind(); clearProgram.bind();
gl.uniform1i(clearProgram.uniforms.uTexture, pressure.first[2]);
let pressureTexId = pressure.first[2];
gl.activeTexture(gl.TEXTURE0 + pressureTexId);
gl.bindTexture(gl.TEXTURE_2D, pressure.first[0]);
gl.uniform1i(clearProgram.uniforms.uTexture, pressureTexId);
gl.uniform1f(clearProgram.uniforms.value, config.PRESSURE_CONCENTRATION); gl.uniform1f(clearProgram.uniforms.value, config.PRESSURE_CONCENTRATION);
blit(pressure.second[1]); blit(pressure.second[1]);
pressure.swap(); pressure.swap();
@@ -515,8 +519,11 @@ function update () {
pressureProgram.bind(); pressureProgram.bind();
gl.uniform2f(pressureProgram.uniforms.texelSize, 1.0 / textureWidth, 1.0 / textureHeight); gl.uniform2f(pressureProgram.uniforms.texelSize, 1.0 / textureWidth, 1.0 / textureHeight);
gl.uniform1i(pressureProgram.uniforms.uDivergence, divergence[2]); gl.uniform1i(pressureProgram.uniforms.uDivergence, divergence[2]);
pressureTexId = pressure.first[2];
gl.activeTexture(gl.TEXTURE0 + pressureTexId);
for (let i = 0; i < config.PRESSURE_ITERATIONS; i++) { for (let i = 0; i < config.PRESSURE_ITERATIONS; i++) {
gl.uniform1i(pressureProgram.uniforms.uPressure, pressure.first[2]); gl.bindTexture(gl.TEXTURE_2D, pressure.first[0]);
gl.uniform1i(pressureProgram.uniforms.uPressure, pressureTexId);
blit(pressure.second[1]); blit(pressure.second[1]);
pressure.swap(); pressure.swap();
} }