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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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70
src/core/gpu_hw_vulkan.cpp
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@ -2,6 +2,7 @@
#include "common/assert.h"
#include "common/log.h"
#include "common/scope_guard.h"
#include "common/state_wrapper.h"
#include "common/timer.h"
#include "common/vulkan/builders.h"
#include "common/vulkan/context.h"
@ -87,12 +88,75 @@ bool GPU_HW_Vulkan::Initialize(HostDisplay* host_display)
return true;
}
void GPU_HW_Vulkan::Reset()
void GPU_HW_Vulkan::Reset(bool clear_vram)
{
GPU_HW::Reset();
GPU_HW::Reset(clear_vram);
EndRenderPass();
ClearFramebuffer();
if (clear_vram)
ClearFramebuffer();
}
bool GPU_HW_Vulkan::DoState(StateWrapper& sw, HostDisplayTexture** host_texture, bool update_display)
{
if (host_texture)
{
EndRenderPass();
const VkImageCopy ic{{VK_IMAGE_ASPECT_COLOR_BIT, 0u, 0u, 1u},
{0, 0, 0},
{VK_IMAGE_ASPECT_COLOR_BIT, 0u, 0u, 1u},
{0, 0, 0},
{m_vram_texture.GetWidth(), m_vram_texture.GetHeight(), 1u}};
if (sw.IsReading())
{
Vulkan::Texture* tex = static_cast<Vulkan::Texture*>((*host_texture)->GetHandle());
if (tex->GetWidth() != m_vram_texture.GetWidth() || tex->GetHeight() != m_vram_texture.GetHeight() ||
tex->GetSamples() != m_vram_texture.GetSamples())
{
return false;
}
VkCommandBuffer buf = g_vulkan_context->GetCurrentCommandBuffer();
const VkImageLayout old_tex_layout = tex->GetLayout();
const VkImageLayout old_vram_layout = m_vram_texture.GetLayout();
tex->TransitionToLayout(buf, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
m_vram_texture.TransitionToLayout(buf, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
vkCmdCopyImage(g_vulkan_context->GetCurrentCommandBuffer(), tex->GetImage(), tex->GetLayout(),
m_vram_texture.GetImage(), m_vram_texture.GetLayout(), 1, &ic);
m_vram_texture.TransitionToLayout(buf, old_vram_layout);
tex->TransitionToLayout(buf, old_tex_layout);
}
else
{
std::unique_ptr<HostDisplayTexture> htex =
m_host_display->CreateTexture(m_vram_texture.GetWidth(), m_vram_texture.GetHeight(), 1, 1,
m_vram_texture.GetSamples(), HostDisplayPixelFormat::RGBA8, nullptr, 0, false);
if (!htex)
return false;
Vulkan::Texture* tex = static_cast<Vulkan::Texture*>(htex->GetHandle());
if (tex->GetWidth() != m_vram_texture.GetWidth() || tex->GetHeight() != m_vram_texture.GetHeight() ||
tex->GetSamples() != m_vram_texture.GetSamples())
{
return false;
}
VkCommandBuffer buf = g_vulkan_context->GetCurrentCommandBuffer();
const VkImageLayout old_vram_layout = m_vram_texture.GetLayout();
tex->TransitionToLayout(buf, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
m_vram_texture.TransitionToLayout(buf, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
vkCmdCopyImage(g_vulkan_context->GetCurrentCommandBuffer(), m_vram_texture.GetImage(), m_vram_texture.GetLayout(),
tex->GetImage(), tex->GetLayout(), 1, &ic);
m_vram_texture.TransitionToLayout(buf, old_vram_layout);
tex->TransitionToLayout(buf, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
*host_texture = htex.release();
}
}
return GPU_HW::DoState(sw, host_texture, update_display);
}
void GPU_HW_Vulkan::ResetGraphicsAPIState()