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

This may improve performance and allow for render targets to customize how they blit the final texture (allowing for render-to-texture)

include/Nazara/Renderer/RenderTarget.hpp

@@ -14,8 +14,11 @@
 
 namespace Nz
 {
+	class CommandBufferBuilder;
 	class Framebuffer;
+	class RenderFrame;
 	class RenderPass;
+	class Texture;
 
 	class NAZARA_RENDERER_API RenderTarget
 	{
@@ -23,6 +26,8 @@ namespace Nz
 			RenderTarget() = default;
 			virtual ~RenderTarget();
 
+			virtual void BlitTexture(RenderFrame& renderFrame, CommandBufferBuilder& builder, const Texture& texture) const = 0;
+
 			virtual const Framebuffer& GetFramebuffer(std::size_t i) const = 0;
 			virtual std::size_t GetFramebufferCount() const = 0;
 			virtual const RenderPass& GetRenderPass() const = 0;