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Graphics/BakedFrameGraph: Don't resize fixed-size textures 

Fixed-size attachments such as shadows maps were recreated on resize (oops)
This commit is contained in:
SirLynix 2023-11-20 00:01:24 +01:00
parent 2ef9cd0128
commit 674610e9f8
1 changed files with 50 additions and 36 deletions
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82
src/Nazara/Graphics/BakedFrameGraph.cpp
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@ -129,26 +129,65 @@ namespace Nz
return m_passes[physicalPassIndex].renderPass;
}
bool BakedFrameGraph::Resize(RenderFrame& renderFrame)
bool BakedFrameGraph::Resize(RenderFrame& renderFrame, std::span<Vector2ui> viewerTargetSizes)
{
auto [frameWidth, frameHeight] = renderFrame.GetSize();
if (m_width == frameWidth && m_height == frameHeight)
Vector2ui swapchainSize = renderFrame.GetSize();
if (m_width == swapchainSize.x && m_height == swapchainSize.y)
return false;
const std::shared_ptr<RenderDevice>& renderDevice = Graphics::Instance()->GetRenderDevice();
auto ComputeTextureSize = [&](TextureData& textureData) -> Vector2ui
{
Vector2ui texDimensions(1, 1);
switch (textureData.size)
{
case FramePassAttachmentSize::Fixed:
texDimensions.x = textureData.width;
texDimensions.y = textureData.height;
break;
case FramePassAttachmentSize::SwapchainFactor:
texDimensions = swapchainSize;
texDimensions.x *= textureData.width;
texDimensions.y *= textureData.height;
texDimensions /= 100'000;
break;
}
return texDimensions;
};
// Delete previous textures to make some room in VRAM
for (auto& passData : m_passes)
{
if (passData.commandBuffer)
renderFrame.PushForRelease(std::move(passData.commandBuffer));
if (passData.framebuffer)
renderFrame.PushForRelease(std::move(passData.framebuffer));
}
for (auto& textureData : m_textures)
{
if (!textureData.texture)
continue;
// Check if texture dimension changed
Vector3ui curSize = textureData.texture->GetSize();
auto [newWidth, newHeight] = ComputeTextureSize(textureData);
if (newWidth == curSize.x && newHeight == curSize.y)
continue;
// Dimensions changed, recreated texture
renderFrame.PushForRelease(std::move(textureData.texture));
}
for (auto& textureData : m_textures)
{
if (textureData.texture)
continue;
if (textureData.viewData)
{
TextureData& parentTexture = m_textures[textureData.viewData->parentTextureId];
@ -163,7 +202,6 @@ namespace Nz
}
else
{
TextureInfo textureCreationParams;
textureCreationParams.type = textureData.type;
textureCreationParams.usageFlags = textureData.usage;
@ -174,20 +212,9 @@ namespace Nz
if (textureCreationParams.type == ImageType::Cubemap)
textureCreationParams.layerCount *= 6;
textureCreationParams.width = 1;
textureCreationParams.height = 1;
switch (textureData.size)
{
case FramePassAttachmentSize::Fixed:
textureCreationParams.width = textureData.width;
textureCreationParams.height = textureData.height;
break;
case FramePassAttachmentSize::SwapchainFactor:
textureCreationParams.width = frameWidth * textureData.width / 100'000;
textureCreationParams.height = frameHeight * textureData.height / 100'000;
break;
}
auto [width, height] = ComputeTextureSize(textureData);
textureCreationParams.width = width;
textureCreationParams.height = height;
textureData.texture = renderDevice->InstantiateTexture(textureCreationParams);
if (!textureData.name.empty())
@ -207,20 +234,7 @@ namespace Nz
auto& textureData = m_textures[textureId];
textures.push_back(textureData.texture);
unsigned int width = 1;
unsigned int height = 1;
switch (textureData.size)
{
case FramePassAttachmentSize::Fixed:
width = textureData.width;
height = textureData.height;
break;
case FramePassAttachmentSize::SwapchainFactor:
width = frameWidth * textureData.width / 100'000;
height = frameHeight * textureData.height / 100'000;
break;
}
auto [width, height] = ComputeTextureSize(textureData);
framebufferWidth = std::min(framebufferWidth, width);
framebufferHeight = std::min(framebufferHeight, height);
@ -235,8 +249,8 @@ namespace Nz
passData.forceCommandBufferRegeneration = true;
}
m_width = frameWidth;
m_height = frameHeight;
m_width = swapchainSize.x;
m_height = swapchainSize.y;
return true;
}