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Xenia-Canary/src/xenia/gpu/graphics_system.cc

70 lines
2.1 KiB
C++

/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2013 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#include "xenia/gpu/graphics_system.h"
#include "poly/poly.h"
#include "xenia/cpu/processor.h"
#include "xenia/gpu/gpu-private.h"
namespace xe {
namespace gpu {
GraphicsSystem::GraphicsSystem()
: memory_(nullptr),
processor_(nullptr),
target_loop_(nullptr),
target_window_(nullptr),
interrupt_callback_(0),
interrupt_callback_data_(0) {}
GraphicsSystem::~GraphicsSystem() = default;
X_STATUS GraphicsSystem::Setup(cpu::Processor* processor,
ui::PlatformLoop* target_loop,
ui::PlatformWindow* target_window) {
processor_ = processor;
memory_ = processor->memory();
target_loop_ = target_loop;
target_window_ = target_window;
return X_STATUS_SUCCESS;
}
void GraphicsSystem::Shutdown() {}
void GraphicsSystem::SetInterruptCallback(uint32_t callback,
uint32_t user_data) {
interrupt_callback_ = callback;
interrupt_callback_data_ = user_data;
XELOGGPU("SetInterruptCallback(%.4X, %.4X)", callback, user_data);
}
void GraphicsSystem::DispatchInterruptCallback(uint32_t source, uint32_t cpu) {
if (!interrupt_callback_) {
return;
}
// Pick a CPU, if needed. We're going to guess 2. Because.
if (cpu == 0xFFFFFFFF) {
cpu = 2;
}
XELOGGPU("Dispatching GPU interrupt at %.8X w/ mode %d on cpu %d",
interrupt_callback_, source, cpu);
// NOTE: we may be executing in some random thread.
uint64_t args[] = {source, interrupt_callback_data_};
processor_->ExecuteInterrupt(cpu, interrupt_callback_, args,
poly::countof(args));
}
} // namespace gpu
} // namespace xe