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[GPU] Gather eA/eM# writes in shader translator

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Triang3l
2018-12-21 10:05:05 +03:00
parent 090bf8e353
commit 73baaa8e89
2 changed files with 58 additions and 11 deletions
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15
src/xenia/gpu/shader_translator.h
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@@ -66,6 +66,15 @@ class ShaderTranslator {
const std::vector<Shader::TextureBinding>& texture_bindings() const {
return texture_bindings_;
}
// Based on the number of AS_VS/PS_EXPORT_STREAM_* enum sets found in a game
// .pdb.
static constexpr uint32_t kMaxMemExports = 16;
// Bits indicating which eM# registers have been written to after each
// `alloc export`, for up to kMaxMemExports exports. This will contain zero
// for certain corrupt exports - that don't write to eA before writing to eM#,
// or if the write was done any way other than MAD with a stream constant.
const uint8_t* memexport_eM_written() const { return memexport_eM_written_; }
// All c# registers used as the addend in MAD operations to eA, populated
// before translation occurs.
const std::set<uint32_t>& memexport_stream_constants() const {
@@ -236,6 +245,12 @@ class ShaderTranslator {
bool uses_register_dynamic_addressing_ = false;
bool writes_color_targets_[4] = {false, false, false, false};
bool writes_depth_ = false;
uint32_t memexport_alloc_count_ = 0;
// For register allocation in implementations - what was used after each
// `alloc export`.
uint32_t memexport_eA_written_ = 0;
uint8_t memexport_eM_written_[kMaxMemExports] = {0};
std::set<uint32_t> memexport_stream_constants_;
static const AluOpcodeInfo alu_vector_opcode_infos_[0x20];