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Renderer: Blit texture to window instead of using a full renderpass

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This may improve performance and allow for render targets to customize how they blit the final texture (allowing for render-to-texture)
This commit is contained in:
SirLynix
2023-11-17 16:59:31 +01:00
parent f2e77fb8a5
commit 97d5640967
38 changed files with 448 additions and 265 deletions
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16
src/Nazara/Renderer/Swapchain.cpp
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@@ -3,12 +3,28 @@
// For conditions of distribution and use, see copyright notice in Config.hpp
#include <Nazara/Renderer/Swapchain.hpp>
#include <Nazara/Renderer/CommandBufferBuilder.hpp>
#include <Nazara/Renderer/Texture.hpp>
#include <Nazara/Renderer/Debug.hpp>
namespace Nz
{
Swapchain::~Swapchain() = default;
void Swapchain::BlitTexture(RenderFrame& renderFrame, CommandBufferBuilder& builder, const Texture& texture) const
{
Vector2ui textureSize = Vector2ui(texture.GetSize());
Boxui blitRegion(0, 0, 0, textureSize.x, textureSize.y, 1);
builder.TextureBarrier(PipelineStage::ColorOutput, PipelineStage::Transfer, MemoryAccess::ColorWrite, MemoryAccess::TransferRead, TextureLayout::ColorOutput, TextureLayout::TransferSource, texture);
builder.BeginDebugRegion("Blit to swapchain", Color::Blue());
{
builder.BlitTextureToSwapchain(texture, blitRegion, TextureLayout::TransferSource, *this, renderFrame.GetFramebufferIndex());
}
builder.EndDebugRegion();
}
void Swapchain::BuildRenderPass(PixelFormat colorFormat, PixelFormat depthFormat, std::vector<RenderPass::Attachment>& attachments, std::vector<RenderPass::SubpassDescription>& subpassDescriptions, std::vector<RenderPass::SubpassDependency>& subpassDependencies)
{
assert(colorFormat != PixelFormat::Undefined);