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implement screenshots

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Samuliak 2024-11-08 16:58:29 +01:00
parent 2c9f627f72
commit f26495707e
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1 changed files with 73 additions and 1 deletions
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74
src/Cafe/HW/Latte/Renderer/Metal/MetalRenderer.cpp
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@ -21,6 +21,7 @@
#include "Cafe/HW/Latte/Core/FetchShader.h"
#include "Cafe/HW/Latte/Core/LatteConst.h"
#include "config/CemuConfig.h"
#include "gui/guiWrapper.h"
#define IMGUI_IMPL_METAL_CPP
#include "imgui/imgui_extension.h"
@ -246,7 +247,78 @@ void MetalRenderer::SwapBuffers(bool swapTV, bool swapDRC)
}
void MetalRenderer::HandleScreenshotRequest(LatteTextureView* texView, bool padView) {
cemuLog_log(LogType::Force, "Screenshots are not yet supported on Metal");
const bool hasScreenshotRequest = gui_hasScreenshotRequest();
if (!hasScreenshotRequest && m_screenshot_state == ScreenshotState::None)
return;
if (m_mainLayer.GetDrawable())
{
// we already took a pad view screenshow and want a main window screenshot
if (m_screenshot_state == ScreenshotState::Main && padView)
return;
if (m_screenshot_state == ScreenshotState::Pad && !padView)
return;
// remember which screenshot is left to take
if (m_screenshot_state == ScreenshotState::None)
m_screenshot_state = padView ? ScreenshotState::Main : ScreenshotState::Pad;
else
m_screenshot_state = ScreenshotState::None;
}
else
m_screenshot_state = ScreenshotState::None;
auto texMtl = static_cast<LatteTextureMtl*>(texView->baseTexture);
int width, height;
texMtl->GetEffectiveSize(width, height, 0);
uint32 bytesPerRow = GetMtlTextureBytesPerRow(texMtl->format, texMtl->IsDepth(), width);
uint32 size = GetMtlTextureBytesPerImage(texMtl->format, texMtl->IsDepth(), height, bytesPerRow);
// TODO: get a buffer from the memory manager
MTL::Buffer* buffer = m_device->newBuffer(size, MTL::ResourceStorageModeShared);
auto blitCommandEncoder = GetBlitCommandEncoder();
blitCommandEncoder->copyFromTexture(texMtl->GetTexture(), 0, 0, MTL::Origin(0, 0, 0), MTL::Size(width, height, 1), buffer, 0, bytesPerRow, 0);
uint8* bufferPtr = (uint8*)buffer->contents();
bool formatValid = true;
std::vector<uint8> rgb_data;
rgb_data.reserve(3 * width * height);
auto pixelFormat = texMtl->GetTexture()->pixelFormat();
// TODO: implement more formats
switch (pixelFormat)
{
case MTL::PixelFormatRGBA8Unorm:
for (auto ptr = bufferPtr; ptr < bufferPtr + size; ptr += 4)
{
rgb_data.emplace_back(*ptr);
rgb_data.emplace_back(*(ptr + 1));
rgb_data.emplace_back(*(ptr + 2));
}
break;
case MTL::PixelFormatRGBA8Unorm_sRGB:
for (auto ptr = bufferPtr; ptr < bufferPtr + size; ptr += 4)
{
rgb_data.emplace_back(SRGBComponentToRGB(*ptr));
rgb_data.emplace_back(SRGBComponentToRGB(*(ptr + 1)));
rgb_data.emplace_back(SRGBComponentToRGB(*(ptr + 2)));
}
break;
default:
cemuLog_log(LogType::Force, "Unsupported screenshot texture pixel format {}", pixelFormat);
formatValid = false;
break;
}
buffer->release();
if (formatValid)
SaveScreenshot(rgb_data, width, height, !padView);
}
void MetalRenderer::DrawBackbufferQuad(LatteTextureView* texView, RendererOutputShader* shader, bool useLinearTexFilter,