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AbstractTexture: Drop slow map readback path

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This commit is contained in:
Stenzek
2017-11-19 17:46:00 +10:00
parent 193763ca3a
commit db1d9de933
10 changed files with 0 additions and 300 deletions
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50
Source/Core/VideoBackends/Vulkan/VKTexture.cpp
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@ -113,56 +113,6 @@ void VKTexture::Bind(unsigned int stage)
StateTracker::GetInstance()->SetTexture(stage, m_texture->GetView());
}
std::optional<AbstractTexture::RawTextureInfo> VKTexture::MapFullImpl()
{
// No support for optimization of full copy
return MapRegionImpl(0, 0, 0, m_config.width, m_config.height);
}
std::optional<AbstractTexture::RawTextureInfo> VKTexture::MapRegionImpl(u32 level, u32 x, u32 y,
u32 width, u32 height)
{
m_staging_texture = StagingTexture2D::Create(STAGING_BUFFER_TYPE_READBACK, width, height,
TEXTURECACHE_TEXTURE_FORMAT);
// Transition image to transfer source, and invalidate the current state,
// since we'll be executing the command buffer.
m_texture->TransitionToLayout(g_command_buffer_mgr->GetCurrentCommandBuffer(),
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
StateTracker::GetInstance()->EndRenderPass();
// Copy to download buffer.
m_staging_texture->CopyFromImage(g_command_buffer_mgr->GetCurrentCommandBuffer(),
m_texture->GetImage(), VK_IMAGE_ASPECT_COLOR_BIT, x, y, width,
height, level, 0);
// Restore original state of texture.
m_texture->TransitionToLayout(g_command_buffer_mgr->GetCurrentCommandBuffer(),
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
// Block until the GPU has finished copying to the staging texture.
Util::ExecuteCurrentCommandsAndRestoreState(false, true);
// Map the staging texture so we can copy the contents out.
if (!m_staging_texture->Map())
{
PanicAlert("Failed to map staging texture");
return {};
}
return AbstractTexture::RawTextureInfo{reinterpret_cast<u8*>(m_staging_texture->GetMapPointer()),
static_cast<u32>(m_staging_texture->GetRowStride()), width,
height};
}
void VKTexture::Unmap()
{
if (!m_staging_texture)
return;
m_staging_texture->Unmap();
}
void VKTexture::CopyRectangleFromTexture(const AbstractTexture* src,
const MathUtil::Rectangle<int>& src_rect, u32 src_layer,
u32 src_level, const MathUtil::Rectangle<int>& dst_rect,