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-rw-r--r--cwd/assets/altcraft/shaders/frag/blur.fs22
-rw-r--r--cwd/assets/altcraft/shaders/frag/light.fs3
-rw-r--r--src/RenderConfigs.cpp20
-rw-r--r--src/RenderConfigs.hpp3
4 files changed, 46 insertions, 2 deletions
diff --git a/cwd/assets/altcraft/shaders/frag/blur.fs b/cwd/assets/altcraft/shaders/frag/blur.fs
new file mode 100644
index 0000000..b49032f
--- /dev/null
+++ b/cwd/assets/altcraft/shaders/frag/blur.fs
@@ -0,0 +1,22 @@
+#version 330 core
+
+out vec4 fragColor;
+
+in vec2 uv;
+
+uniform sampler2D blurInput;
+uniform int blurScale;
+
+void main() {
+ vec2 texelSize = 1.0f / vec2(textureSize(blurInput, 0));
+ vec4 result = vec4(0.0f);
+ for (int x = -blurScale; x < blurScale; x++)
+ {
+ for (int y = -blurScale; y < blurScale; y++)
+ {
+ vec2 offset = vec2(float(x), float(y)) * texelSize;
+ result += texture(blurInput, uv + offset);
+ }
+ }
+ fragColor = result / pow(blurScale, 3);
+}
diff --git a/cwd/assets/altcraft/shaders/frag/light.fs b/cwd/assets/altcraft/shaders/frag/light.fs
index fd7aa4e..8556770 100644
--- a/cwd/assets/altcraft/shaders/frag/light.fs
+++ b/cwd/assets/altcraft/shaders/frag/light.fs
@@ -41,10 +41,11 @@ void main() {
float skyLight = l.g;
float lightLevel = clamp(faceLight + skyLight * dayTime, 0.01f, 1.0f);
lightLevel = pow(lightLevel, 3);
+ lightLevel *= (1.0f - s.r);
lightLevel = clamp(lightLevel, 0.005f, 1.0f);
vec3 faceColor = mix(ac.rgb * lightLevel, vec3(1,1,1) * lightLevel, float(ac.rgb == vec3(0,0,0)));
- vec4 finalColor = vec4(c.rgb * faceColor * (1.0f - s.r), 1.0f);
+ vec4 finalColor = vec4(c.rgb * faceColor, 1.0f);
finalColor.rgb = pow(finalColor.rgb, vec3(1.0f / gamma));
diff --git a/src/RenderConfigs.cpp b/src/RenderConfigs.cpp
index d185c79..88166a5 100644
--- a/src/RenderConfigs.cpp
+++ b/src/RenderConfigs.cpp
@@ -155,6 +155,24 @@ Gbuffer::Gbuffer(size_t geomW, size_t geomH, size_t lightW, size_t lightH) {
Gal::Format::R8G8B8A8,
Gal::Filtering::Bilinear);
+ std::vector<std::pair<std::string_view, std::shared_ptr<Gal::Texture>>> ssaoBlurTextures = {
+ {"blurInput", ssaoPass->GetResultTexture()},
+ };
+
+ std::vector<std::pair<std::string_view, Gal::Type>> ssaoBlurParameters = {
+ {"blurScale", Gal::Type::Int32},
+ };
+
+ ssaoBlurPass = std::make_unique<PostProcess>(LoadPixelShader("/altcraft/shaders/frag/blur"),
+ ssaoBlurTextures,
+ ssaoBlurParameters,
+ lightW,
+ lightH,
+ Gal::Format::R8G8B8A8,
+ Gal::Filtering::Bilinear);
+
+ ssaoBlurPass->SetShaderParameter("blurScale", 2);
+
std::vector<std::pair<std::string_view, Gal::Type>> lightingParameters = {
{"renderBuff", Gal::Type::Int32},
};
@@ -166,7 +184,7 @@ Gbuffer::Gbuffer(size_t geomW, size_t geomH, size_t lightW, size_t lightH) {
{"worldPos", worldPos},
{"addColor", addColor},
{"light", light},
- {"ssao", ssaoPass->GetResultTexture()},
+ {"ssao", ssaoBlurPass->GetResultTexture()},
};
lightingPass = std::make_unique<PostProcess>(LoadPixelShader("/altcraft/shaders/frag/light"),
diff --git a/src/RenderConfigs.hpp b/src/RenderConfigs.hpp
index ef4c97d..0667bbe 100644
--- a/src/RenderConfigs.hpp
+++ b/src/RenderConfigs.hpp
@@ -62,6 +62,7 @@ public:
class Gbuffer {
std::shared_ptr<Gal::Texture> ssaoNoise;
std::unique_ptr<PostProcess> ssaoPass;
+ std::unique_ptr<PostProcess> ssaoBlurPass;
std::unique_ptr<PostProcess> lightingPass;
std::shared_ptr<Gal::Texture> depthStencil;
std::shared_ptr<Gal::Texture> color; //RGB - color
@@ -84,12 +85,14 @@ public:
void Render() {
ssaoPass->Render();
+ ssaoBlurPass->Render();
lightingPass->Render();
}
void Clear() {
geomFramebuffer->Clear();
ssaoPass->Clear();
+ ssaoBlurPass->Clear();
lightingPass->Clear();
}