> 0:0(0): error: no matching function for call to
> `texelFetch2DOffset(sampler2D, ivec2, int, ivec2)'

I was seeing these errors before, but I no longer am. Does it help if you
launch Tropics something like:

 force_glsl_extensions_warn=true disable_blend_func_extended=true
./1024x768_windowed.sh

(In reply to comment #3)
> Tropics: SIInstrInfo.cpp:94: virtual void
> llvm::SIInstrInfo::copyPhysReg(llvm::MachineBasicBlock&,
> llvm::MachineBasicBlock::iterator, llvm::DebugLoc, unsigned int, unsigned
> int, bool) const: Assertion `AMDGPU::SReg_32RegClass.contains(SrcReg)'
> failed.

Tom's LLVM patch fixes this.