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System: Add memory-only save states and rewind

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This commit is contained in:
Connor McLaughlin
2021-01-23 19:00:54 +10:00
parent 6c6fdeb15e
commit 516d685dd0
22 changed files with 537 additions and 70 deletions
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45
src/core/gpu_hw_d3d11.cpp
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@ -2,6 +2,7 @@
#include "common/assert.h"
#include "common/d3d11/shader_compiler.h"
#include "common/log.h"
#include "common/state_wrapper.h"
#include "common/timer.h"
#include "gpu_hw_shadergen.h"
#include "host_display.h"
@ -82,11 +83,49 @@ bool GPU_HW_D3D11::Initialize(HostDisplay* host_display)
return true;
}
void GPU_HW_D3D11::Reset()
void GPU_HW_D3D11::Reset(bool clear_vram)
{
GPU_HW::Reset();
GPU_HW::Reset(clear_vram);
ClearFramebuffer();
if (clear_vram)
ClearFramebuffer();
}
bool GPU_HW_D3D11::DoState(StateWrapper& sw, HostDisplayTexture** host_texture, bool update_display)
{
if (host_texture)
{
const CD3D11_BOX src_box(0, 0, 0, static_cast<LONG>(m_vram_texture.GetWidth()),
static_cast<LONG>(m_vram_texture.GetHeight()), 1);
ComPtr<ID3D11Resource> resource;
if (sw.IsReading())
{
HostDisplayTexture* tex = *host_texture;
if (tex->GetWidth() != m_vram_texture.GetWidth() || tex->GetHeight() != m_vram_texture.GetHeight() ||
tex->GetSamples() != m_vram_texture.GetSamples())
{
return false;
}
static_cast<ID3D11ShaderResourceView*>(tex->GetHandle())->GetResource(resource.GetAddressOf());
m_context->CopySubresourceRegion(m_vram_texture.GetD3DTexture(), 0, 0, 0, 0, resource.Get(), 0, &src_box);
}
else
{
std::unique_ptr<HostDisplayTexture> tex =
m_host_display->CreateTexture(m_vram_texture.GetWidth(), m_vram_texture.GetHeight(), 1, 1,
m_vram_texture.GetSamples(), HostDisplayPixelFormat::RGBA8, nullptr, 0, false);
if (!tex)
return false;
static_cast<ID3D11ShaderResourceView*>(tex->GetHandle())->GetResource(resource.GetAddressOf());
m_context->CopySubresourceRegion(resource.Get(), 0, 0, 0, 0, m_vram_texture.GetD3DTexture(), 0, &src_box);
*host_texture = tex.release();
}
}
return GPU_HW::DoState(sw, host_texture, update_display);
}
void GPU_HW_D3D11::ResetGraphicsAPIState()