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author | Fernando Sahmkow <fsahmkow27@gmail.com> | 2020-01-05 23:36:21 +0100 |
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committer | FernandoS27 <fsahmkow27@gmail.com> | 2020-01-24 21:43:31 +0100 |
commit | 037ea431ceb93e93274fdcf9fb724819639d04fd (patch) | |
tree | 7357dac5799959d2dc7dbe78346cb8cbd1a5400b /src/video_core/shader/decode.cpp | |
parent | Shader_IR: Setup Indexed Samplers on the IR (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/video_core/shader/decode.cpp | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/video_core/shader/decode.cpp b/src/video_core/shader/decode.cpp index 507614d59..dd2f68a3e 100644 --- a/src/video_core/shader/decode.cpp +++ b/src/video_core/shader/decode.cpp @@ -56,6 +56,29 @@ void DeduceTextureHandlerSize(VideoCore::GuestDriverProfile* gpu_driver, } } +std::optional<u32> TryDeduceSamplerSize(Sampler& sampler_to_deduce, + VideoCore::GuestDriverProfile* gpu_driver, + std::list<Sampler>& used_samplers) { + if (gpu_driver == nullptr) { + LOG_CRITICAL(HW_GPU, "GPU Driver profile has not been created yet"); + return std::nullopt; + } + const u32 base_offset = sampler_to_deduce.GetOffset(); + u32 max_offset{UINT_MAX}; + for (const auto& sampler : used_samplers) { + if (sampler.IsBindless()) { + continue; + } + if (sampler.GetOffset() > base_offset) { + max_offset = std::min(sampler.GetOffset(), max_offset); + } + } + if (max_offset == UINT_MAX) { + return std::nullopt; + } + return ((max_offset - base_offset) * 4) / gpu_driver->GetTextureHandlerSize(); +} + } // Anonymous namespace class ASTDecoder { @@ -342,6 +365,19 @@ void ShaderIR::PostDecode() { // Deduce texture handler size if needed auto gpu_driver = locker.AccessGuestDriverProfile(); DeduceTextureHandlerSize(gpu_driver, used_samplers); + // Deduce Indexed Samplers + if (uses_indexed_samplers) { + for (auto& sampler : used_samplers) { + if (sampler.IsIndexed()) { + auto size = TryDeduceSamplerSize(sampler, gpu_driver, used_samplers); + if (size) { + sampler.SetSize(*size); + } else { + sampler.SetSize(1); + } + } + } + } } } // namespace VideoCommon::Shader |