Paul Thomson

Safari render glitch

1

Rendering several shaders via WebGL in Safari on an Intel MacBook Pro appears to cause colours from the shader (rendered to the canvas) to be rendered onto other surfaces outside...

Adding unreachable break and unreachable continue causes different, darker image

2

[[Shaders, screenshots, error log, reproduction steps, platform info, etc.]](https://github.com/mc-imperial/shader-compiler-bugs/tree/master/nexus-player/wrong_images/large-v100-4ffeb35798071320_inv_variant_99) [[ZIP]](https://minhaskamal.github.io/DownGit/#/home?url=https://github.com/mc-imperial/shader-compiler-bugs/tree/master/nexus-player/wrong_images/large-v100-4ffeb35798071320_inv_variant_99) WebGL links for easy reproduction: * [Recipient](http://htmlpreview.github.io/?https://github.com/mc-imperial/shader-compiler-bugs/blob/master/nexus-player/wrong_images/large-v100-4ffeb35798071320_inv_variant_99/webgl_viewer_recipient.html) * [Variant](http://htmlpreview.github.io/?https://github.com/mc-imperial/shader-compiler-bugs/blob/master/nexus-player/wrong_images/large-v100-4ffeb35798071320_inv_variant_99/webgl_viewer_variant.html) Recipient:  Variant: 

Multiplication by unit vector and addition with 0 vector leads to blue image

2

[[Shaders, screenshots, error log, reproduction steps, platform info, etc.]](https://github.com/mc-imperial/shader-compiler-bugs/tree/master/samsung-galaxy-s6/wrong_images/large-v100-16834bc2a94bbead_inv_variant_92) [[ZIP]](https://minhaskamal.github.io/DownGit/#/home?url=https://github.com/mc-imperial/shader-compiler-bugs/tree/master/samsung-galaxy-s6/wrong_images/large-v100-16834bc2a94bbead_inv_variant_92) WebGL links for easy reproduction: * [Recipient](http://htmlpreview.github.io/?https://github.com/mc-imperial/shader-compiler-bugs/blob/master/samsung-galaxy-s6/wrong_images/large-v100-16834bc2a94bbead_inv_variant_92/webgl_viewer_recipient.html) * [Variant](http://htmlpreview.github.io/?https://github.com/mc-imperial/shader-compiler-bugs/blob/master/samsung-galaxy-s6/wrong_images/large-v100-16834bc2a94bbead_inv_variant_92/webgl_viewer_variant.html) Recipient:  Variant: 

ERROR: 0:5: '' : cannot evaluate offset into the vector

1

[[Shaders, screenshots, error log, etc.]](https://github.com/mc-imperial/shader-compiler-bugs/tree/master/Intel-HD-Graphics-520-Windows/compile_errors/large-v440-a5f4b3a8898de121_inv_variant_14) [[ZIP]](https://minhaskamal.github.io/DownGit/#/home?url=https://github.com/mc-imperial/shader-compiler-bugs/tree/master/Intel-HD-Graphics-520-Windows/compile_errors/large-v440-a5f4b3a8898de121_inv_variant_14) variant_14_reduced_216_simplified.frag: ```glsl #version 440 void triangle(int x) { mat4x3(1.0)[x][2]; } ``` Compile error log: ``` ERROR: 0:5: '' : cannot evaluate offset into the...

`vec` literals as statements cause compile errors

2

[[Shaders, screenshots, error log, reproduction steps, etc.]](https://github.com/mc-imperial/shader-compiler-bugs/tree/master/iphone-se-webgl/compile_errors/large-v100-webgl-fd4acaae11816e4c_inv_variant_2) [[ZIP]](https://minhaskamal.github.io/DownGit/#/home?url=https://github.com/mc-imperial/shader-compiler-bugs/tree/master/iphone-se-webgl/compile_errors/large-v100-webgl-fd4acaae11816e4c_inv_variant_2) The following fragment shader fails to compile: ```glsl #version 100 #ifdef GL_ES precision mediump float; #endif void main() { vec2(1.0, 1.0); vec3(1.0,...

See #1.