flycast/core/rend/vulkan/oit/oit_renderer.cpp

113 lines
2.8 KiB
C++

/*
Created on: Nov 7, 2019
Copyright 2019 flyinghead
This file is part of Flycast.
Flycast is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
Flycast is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Flycast. If not, see <https://www.gnu.org/licenses/>.
*/
#include "../vulkan.h"
#include "../vulkan_renderer.h"
#include "oit_drawer.h"
#include "oit_shaders.h"
#include "oit_buffer.h"
class OITVulkanRenderer final : public BaseVulkanRenderer
{
public:
bool Init() override
{
NOTICE_LOG(RENDERER, "OITVulkanRenderer::Init");
try {
oitBuffers.Init(viewport.width, viewport.height);
textureDrawer.Init(&samplerManager, &oitShaderManager, &textureCache, &oitBuffers);
textureDrawer.SetCommandPool(&texCommandPool);
screenDrawer.Init(&samplerManager, &oitShaderManager, &oitBuffers, viewport);
screenDrawer.SetCommandPool(&texCommandPool);
BaseInit(screenDrawer.GetRenderPass(), 2);
return true;
}
catch (const vk::SystemError& err)
{
ERROR_LOG(RENDERER, "Vulkan error: %s", err.what());
}
return false;
}
void Resize(int w, int h) override
{
if ((u32)w == viewport.width && (u32)h == viewport.height)
return;
BaseVulkanRenderer::Resize(w, h);
screenDrawer.Init(&samplerManager, &oitShaderManager, &oitBuffers, viewport);
}
void Term() override
{
DEBUG_LOG(RENDERER, "OITVulkanRenderer::Term");
GetContext()->WaitIdle();
screenDrawer.Term();
textureDrawer.Term();
oitBuffers.Term();
BaseVulkanRenderer::Term();
}
bool Render() override
{
try {
OITDrawer *drawer;
if (pvrrc.isRTT)
drawer = &textureDrawer;
else
drawer = &screenDrawer;
drawer->Draw(fogTexture.get(), paletteTexture.get());
#ifdef LIBRETRO
if (!pvrrc.isRTT)
overlay->Draw(screenDrawer.GetCurrentCommandBuffer(), viewport, (int)config::RenderResolution / 480.f, true, true);
#endif
drawer->EndFrame();
return !pvrrc.isRTT;
} catch (const vk::SystemError& e) {
// Sometimes happens when resizing the window
WARN_LOG(RENDERER, "Vulkan system error %s", e.what());
return false;
}
}
bool Present() override
{
return screenDrawer.PresentFrame();
}
private:
OITBuffers oitBuffers;
SamplerManager samplerManager;
OITShaderManager oitShaderManager;
OITScreenDrawer screenDrawer;
OITTextureDrawer textureDrawer;
};
Renderer* rend_OITVulkan()
{
return new OITVulkanRenderer();
}