(Shader) Parameter pointer variable should be a local scoped variable
Fix shader parameter issues
Merge pull request #1217 from fr500/patch-1

Fix shader parameter issues
Set g_extern.frontend_key_event to new keyboard callback as soon as RETRO_ENVIRONMENT_SET_KEYBOARD_CALLBACK is called
(Libretro SDK) Simplify scaler_ctx_scale somewhat - also only call function callback
if it is bound
fix JNI signatures for getVendorId/getProductId
Revert "(Libretro SDK) Simplify scaler_ctx_scale somewhat - also only call function callback" -
big performance regression

This reverts commit d3a7b69f840550d1d7447b073602dac5ef6a049e.