[SPIR-V] Add support for loops

2017-12-22 22:23:28 -06:00
parent 80b0b66e5d
commit fb89973266
2 changed files with 163 additions and 28 deletions
--- a/src/xenia/gpu/spirv_shader_translator.h
+++ b/src/xenia/gpu/spirv_shader_translator.h
@@ -145,7 +145,9 @@ class SpirvShaderTranslator : public ShaderTranslator {
  // Array of AMD registers.
  // These values are all pointers.
  spv::Id registers_ptr_ = 0, registers_type_ = 0;
-  spv::Id consts_ = 0, a0_ = 0, aL_ = 0, p0_ = 0;
+  spv::Id consts_ = 0, a0_ = 0, p0_ = 0;
+  spv::Id aL_ = 0;           // Loop index stack - .x is active loop
+  spv::Id loop_count_ = 0;   // Loop counter stack
  spv::Id ps_ = 0, pv_ = 0;  // IDs of previous results
  spv::Id pc_ = 0;           // Program counter
  spv::Id pos_ = 0;