From e4ff140b99339589d87836f865fc437719adbbe9 Mon Sep 17 00:00:00 2001 From: Fernando Sahmkow Date: Mon, 22 Apr 2019 19:05:43 -0400 Subject: Introduce skeleton of the GPU Compute Engine. --- src/video_core/engines/kepler_compute.cpp | 37 +++++++++++++++++++++++++++---- 1 file changed, 33 insertions(+), 4 deletions(-) (limited to 'src/video_core/engines/kepler_compute.cpp') diff --git a/src/video_core/engines/kepler_compute.cpp b/src/video_core/engines/kepler_compute.cpp index b1d950460..28f1f6a7d 100644 --- a/src/video_core/engines/kepler_compute.cpp +++ b/src/video_core/engines/kepler_compute.cpp @@ -4,12 +4,21 @@ #include "common/assert.h" #include "common/logging/log.h" +#include "core/core.h" #include "video_core/engines/kepler_compute.h" +#include "video_core/engines/maxwell_3d.h" #include "video_core/memory_manager.h" +#include "video_core/rasterizer_interface.h" +#include "video_core/renderer_base.h" +#include "video_core/textures/decoders.h" namespace Tegra::Engines { -KeplerCompute::KeplerCompute(MemoryManager& memory_manager) : memory_manager{memory_manager} {} +KeplerCompute::KeplerCompute(Core::System& system, VideoCore::RasterizerInterface& rasterizer, + MemoryManager& memory_manager) + : system{system}, rasterizer{rasterizer}, memory_manager{memory_manager}, upload_state{ + memory_manager, + regs.upload} {} KeplerCompute::~KeplerCompute() = default; @@ -20,14 +29,34 @@ void KeplerCompute::CallMethod(const GPU::MethodCall& method_call) { regs.reg_array[method_call.method] = method_call.argument; switch (method_call.method) { + case KEPLER_COMPUTE_REG_INDEX(exec_upload): { + upload_state.ProcessExec(regs.exec_upload.linear != 0); + break; + } + case KEPLER_COMPUTE_REG_INDEX(data_upload): { + bool is_last_call = method_call.IsLastCall(); + upload_state.ProcessData(method_call.argument, is_last_call); + if (is_last_call) { + system.GPU().Maxwell3D().dirty_flags.OnMemoryWrite(); + } + break; + } case KEPLER_COMPUTE_REG_INDEX(launch): - // Abort execution since compute shaders can be used to alter game memory (e.g. CUDA - // kernels) - UNREACHABLE_MSG("Compute shaders are not implemented"); + ProcessLaunch(); break; default: break; } } +void KeplerCompute::ProcessLaunch() { + + const GPUVAddr launch_desc_loc = regs.launch_desc_loc.Address(); + memory_manager.ReadBlockUnsafe(launch_desc_loc, &launch_description, + LaunchParams::NUM_LAUNCH_PARAMETERS * sizeof(u32)); + + const GPUVAddr code_loc = regs.code_loc.Address() + launch_description.program_start; + LOG_WARNING(HW_GPU, "Compute Kernel Execute at Address 0x{:016x}, STUBBED", code_loc); +} + } // namespace Tegra::Engines -- cgit v1.2.3