diff options
| -rw-r--r-- | src/video_core/engines/maxwell_3d.cpp | 20 | ||||
| -rw-r--r-- | src/video_core/engines/maxwell_3d.h | 2 |
2 files changed, 21 insertions, 1 deletions
diff --git a/src/video_core/engines/maxwell_3d.cpp b/src/video_core/engines/maxwell_3d.cpp index 78ba29fc1..27ef865a2 100644 --- a/src/video_core/engines/maxwell_3d.cpp +++ b/src/video_core/engines/maxwell_3d.cpp @@ -3,6 +3,7 @@ // Refer to the license.txt file included. #include <cinttypes> +#include <cstring> #include "common/assert.h" #include "core/core.h" #include "core/core_timing.h" @@ -19,7 +20,24 @@ namespace Tegra::Engines { constexpr u32 MacroRegistersStart = 0xE00; Maxwell3D::Maxwell3D(VideoCore::RasterizerInterface& rasterizer, MemoryManager& memory_manager) - : memory_manager(memory_manager), rasterizer{rasterizer}, macro_interpreter(*this) {} + : memory_manager(memory_manager), rasterizer{rasterizer}, macro_interpreter(*this) { + InitializeRegisterDefaults(); +} + +void Maxwell3D::InitializeRegisterDefaults() { + // Initializes registers to their default values - what games expect them to be at boot. This is + // for certain registers that may not be explicitly set by games. + + // Reset all registers to zero + std::memset(®s, 0, sizeof(regs)); + + // Depth range near/far is not always set, but is expected to be the default 0.0f, 1.0f. This is + // needed for ARMS. + for (std::size_t viewport{}; viewport < Regs::NumViewports; ++viewport) { + regs.viewport[viewport].depth_range_near = 0.0f; + regs.viewport[viewport].depth_range_far = 1.0f; + } +} void Maxwell3D::CallMacroMethod(u32 method, std::vector<u32> parameters) { // Reset the current macro. diff --git a/src/video_core/engines/maxwell_3d.h b/src/video_core/engines/maxwell_3d.h index 0e09a7ee5..754a149fa 100644 --- a/src/video_core/engines/maxwell_3d.h +++ b/src/video_core/engines/maxwell_3d.h @@ -984,6 +984,8 @@ public: Texture::FullTextureInfo GetStageTexture(Regs::ShaderStage stage, std::size_t offset) const; private: + void InitializeRegisterDefaults(); + VideoCore::RasterizerInterface& rasterizer; std::unordered_map<u32, std::vector<u32>> uploaded_macros; |