Gl_fragcolor opacity

昨天提到fragment shader 輸出gl_FragColor gl_FragColor // vec4 ... gl_FragColor = vec4(1.0, 1.0, 0.0, 1....

替fragment 上色. 我們重新回顧一下，之前我們的fragment shader 如下：. const fsSource = ` void main() { gl_FragColor = ...

void main(void) { gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); }. 這個片段著色器實際上也沒有從屬性或緩衝區取得資料來進行計算，只是單純地...

Writing to gl_FragColor specifies the fragment color that will be used by the subsequent fixed fu...

Shader Language has a single main function that returns a color at the end. · The final pixel col...