Files
maszyna/betterRenderer/renderer/source/tonemap.cpp
2025-04-15 01:32:56 +02:00

69 lines
2.5 KiB
C++

#include "tonemap.h"
#include <nvrhi/utils.h>
#include "config.h"
#include "nvrendererbackend.h"
void TonemapPass::Init() {
nvrhi::utils::CreateBindingSetAndLayout(
m_backend->GetDevice(), nvrhi::ShaderType::Pixel, 0,
nvrhi::BindingSetDesc()
.addItem(nvrhi::BindingSetItem::Texture_SRV(0, m_source))
.addItem(nvrhi::BindingSetItem::Texture_SRV(
1, static_cast<nvrhi::ITexture*>(
m_renderer
->GetResource("noise_2d_ldr",
nvrhi::ResourceType::Texture_SRV)
.m_resource)))
.addItem(nvrhi::BindingSetItem::Sampler(
0, m_backend->GetDevice()->createSampler(nvrhi::SamplerDesc())))
.addItem(nvrhi::BindingSetItem::PushConstants(0, sizeof(glm::vec4))),
m_binding_layout, m_binding_set);
m_pixel_shader = m_backend->CreateShader("tonemap", nvrhi::ShaderType::Pixel);
m_output = m_backend->GetDevice()->createTexture(
nvrhi::TextureDesc()
.setFormat(m_output_format)
.setWidth(m_source->getDesc().width)
.setHeight(m_source->getDesc().height)
.setIsRenderTarget(true)
.setInitialState(nvrhi::ResourceStates::ShaderResource)
.setKeepInitialState(true));
m_framebuffer = m_backend->GetDevice()->createFramebuffer(
nvrhi::FramebufferDesc().addColorAttachment(m_output));
FullScreenPass::Init();
}
void TonemapPass::CreatePipelineDesc(
nvrhi::GraphicsPipelineDesc& pipeline_desc) {
FullScreenPass::CreatePipelineDesc(pipeline_desc);
pipeline_desc.addBindingLayout(m_binding_layout);
pipeline_desc.setPixelShader(m_pixel_shader);
}
void TonemapPass::Render(nvrhi::ICommandList* command_list) {
nvrhi::GraphicsState graphics_state;
InitState(graphics_state);
graphics_state.addBindingSet(m_binding_set);
command_list->setGraphicsState(graphics_state);
auto hdr_config = NvRenderer::Config()->m_display.GetHDRConfig();
struct TonemapConstants {
MaConfig::MaTonemapType m_tonemap_function;
float m_scene_exposure;
float m_scene_nits;
float m_scene_gamma;
} tonemap_constants{hdr_config.m_tonemap_function,
glm::pow(2.f, hdr_config.m_scene_exposure), hdr_config.m_scene_nits,
hdr_config.m_scene_gamma};
command_list->setPushConstants(&tonemap_constants, sizeof(tonemap_constants));
Draw(command_list);
}
nvrhi::IFramebuffer* TonemapPass::GetFramebuffer() {
return FullScreenPass::GetFramebuffer(); // m_framebuffer;
}