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-rw-r--r--src/RenderConfigs.cpp62
1 files changed, 52 insertions, 10 deletions
diff --git a/src/RenderConfigs.cpp b/src/RenderConfigs.cpp
index aad2c59..d185c79 100644
--- a/src/RenderConfigs.cpp
+++ b/src/RenderConfigs.cpp
@@ -1,5 +1,8 @@
#include "RenderConfigs.hpp"
+#include <chrono>
+#include <random>
+
#include "AssetManager.hpp"
std::string LoadShaderCode(std::string_view assetPath) {
@@ -85,7 +88,7 @@ Gbuffer::Gbuffer(size_t geomW, size_t geomH, size_t lightW, size_t lightH) {
colorConf->SetMaxFilter(Gal::Filtering::Bilinear);
color = gal->BuildTexture(colorConf);
- auto normalConf = gal->CreateTexture2DConfig(geomW, geomH, Gal::Format::R8G8B8);
+ auto normalConf = gal->CreateTexture2DConfig(geomW, geomH, Gal::Format::R32G32B32A32F);
normalConf->SetMinFilter(Gal::Filtering::Bilinear);
normalConf->SetMaxFilter(Gal::Filtering::Bilinear);
normal = gal->BuildTexture(normalConf);
@@ -105,30 +108,69 @@ Gbuffer::Gbuffer(size_t geomW, size_t geomH, size_t lightW, size_t lightH) {
dsConf->SetMaxFilter(Gal::Filtering::Bilinear);
depthStencil = gal->BuildTexture(dsConf);
+ auto worldPosConf = gal->CreateTexture2DConfig(geomW, geomH, Gal::Format::R32G32B32A32F);
+ worldPosConf->SetMinFilter(Gal::Filtering::Bilinear);
+ worldPosConf->SetMaxFilter(Gal::Filtering::Bilinear);
+ worldPos = gal->BuildTexture(worldPosConf);
+
auto geomFbConf = gal->CreateFramebufferConfig();
+ geomFbConf->SetDepthStencil(depthStencil);
geomFbConf->SetTexture(0, color);
geomFbConf->SetTexture(1, normal);
- geomFbConf->SetTexture(2, addColor);
- geomFbConf->SetTexture(3, light);
- geomFbConf->SetDepthStencil(depthStencil);
+ geomFbConf->SetTexture(2, worldPos);
+ geomFbConf->SetTexture(3, addColor);
+ geomFbConf->SetTexture(4, light);
geomFramebuffer = gal->BuildFramebuffer(geomFbConf);
geomFramebuffer->SetViewport(0, 0, geomW, geomH);
- std::vector<std::pair<std::string_view, std::shared_ptr<Gal::Texture>>> lightingTexture = {
- {"color", color},
- {"addColor", addColor},
+ auto noiseConf = gal->CreateTexture2DConfig(4, 4, Gal::Format::R32G32B32A32F);
+ noiseConf->SetWrapping(Gal::Wrapping::Repeat);
+ noiseConf->SetMinFilter(Gal::Filtering::Bilinear);
+ noiseConf->SetMaxFilter(Gal::Filtering::Bilinear);
+ ssaoNoise = gal->BuildTexture(noiseConf);
+
+ std::mt19937 rng(std::chrono::steady_clock::now().time_since_epoch().count());
+ std::uniform_real_distribution<> dis(-1.0f, 1.0f);
+ std::vector<glm::vec4> noiseTexData(16);
+ for (auto& vec : noiseTexData) {
+ vec.x = dis(rng);
+ vec.y = dis(rng);
+ vec.z = 0.0f;
+ vec.w = 0.0f;
+ }
+ ssaoNoise->SetData({ reinterpret_cast<std::byte*>(noiseTexData.data()), reinterpret_cast<std::byte*>(noiseTexData.data() + noiseTexData.size()) });
+
+ std::vector<std::pair<std::string_view, std::shared_ptr<Gal::Texture>>> ssaoTextures = {
{"normal", normal},
- {"light", light},
- {"depthStencil", depthStencil},
+ {"worldPos", worldPos},
+ {"ssaoNoise", ssaoNoise},
};
+ ssaoPass = std::make_unique<PostProcess>(LoadPixelShader("/altcraft/shaders/frag/ssao"),
+ ssaoTextures,
+ std::vector<std::pair<std::string_view, Gal::Type>>{},
+ lightW,
+ lightH,
+ Gal::Format::R8G8B8A8,
+ Gal::Filtering::Bilinear);
+
std::vector<std::pair<std::string_view, Gal::Type>> lightingParameters = {
{"renderBuff", Gal::Type::Int32},
};
+ std::vector<std::pair<std::string_view, std::shared_ptr<Gal::Texture>>> lightingTextures = {
+ {"depthStencil", depthStencil},
+ {"color", color},
+ {"normal", normal},
+ {"worldPos", worldPos},
+ {"addColor", addColor},
+ {"light", light},
+ {"ssao", ssaoPass->GetResultTexture()},
+ };
+
lightingPass = std::make_unique<PostProcess>(LoadPixelShader("/altcraft/shaders/frag/light"),
- lightingTexture,
+ lightingTextures,
lightingParameters,
lightW,
lightH,