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Simple refraction blur implemented using autogen mipchain

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This commit is contained in:
turanszkij
2017-01-04 23:15:01 +01:00
parent e4c8b7cbb5
commit 76a9cb6acf
2 changed files with 8 additions and 4 deletions
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WickedEngine/Renderable3DComponent.cpp
+2 -1
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@@ -48,7 +48,7 @@ void Renderable3DComponent::ResizeBuffers()
, false, FORMAT_R8G8B8A8_SNORM);
rtSceneCopy.Initialize(
wiRenderer::GetDevice()->GetScreenWidth(), wiRenderer::GetDevice()->GetScreenHeight()
, false, FORMAT_R16G16B16A16_FLOAT, 1);
, false, FORMAT_R16G16B16A16_FLOAT, 5);
rtReflection.Initialize(
(UINT)(wiRenderer::GetDevice()->GetScreenWidth() * getReflectionQuality())
, (UINT)(wiRenderer::GetDevice()->GetScreenHeight() * getReflectionQuality())
@@ -330,6 +330,7 @@ void Renderable3DComponent::RenderSecondaryScene(wiRenderTarget& mainRT, wiRende
wiRenderer::GetDevice()->UnBindResources(TEXSLOT_ONDEMAND0, TEXSLOT_ONDEMAND_COUNT, threadID);
shadedSceneRT.Set(threadID, mainRT.depth); {
wiRenderer::GetDevice()->GenerateMips(rtSceneCopy.GetTextureResolvedMSAA(threadID), threadID); // todo: create smoother mipchain for refraction
RenderTransparentScene(rtSceneCopy, threadID);
wiRenderer::DrawTrails(threadID, rtSceneCopy.GetTexture());
WickedEngine/objectHF.hlsli
+6 -3
View File
@@ -99,10 +99,13 @@ inline void ParallaxOcclusionMapping(inout float2 UV, in float3 V, in float3x3 T
UV = finalTexCoords;
}
inline void Refraction(in float2 ScreenCoord, in float2 normal2D, in float3 bumpColor, inout float3 albedo, inout float4 color)
inline void Refraction(in float2 ScreenCoord, in float2 normal2D, in float3 bumpColor, in float roughness, inout float3 albedo, inout float4 color)
{
float2 size;
float mipLevels;
xRefraction.GetDimensions(0, size.x, size.y, mipLevels);
float2 perturbatedRefrTexCoords = ScreenCoord.xy + (normal2D + bumpColor.rg) * g_xMat_refractionIndex;
float4 refractiveColor = (xRefraction.SampleLevel(sampler_linear_clamp, perturbatedRefrTexCoords, 0));
float4 refractiveColor = xRefraction.SampleLevel(sampler_linear_clamp, perturbatedRefrTexCoords, roughness * mipLevels);
albedo.rgb = lerp(refractiveColor.rgb, albedo.rgb, color.a);
color.a = 1;
}
@@ -220,7 +223,7 @@ inline void TiledLighting(in float2 pixel, in float3 N, in float3 V, in float3 P
BRDF_HELPER_MAKEINPUTS( color, reflectance, metalness )
#define OBJECT_PS_REFRACTION \
Refraction(ScreenCoord, input.nor2D, bumpColor, albedo, color);
Refraction(ScreenCoord, input.nor2D, bumpColor, roughness, albedo, color);
#define OBJECT_PS_LIGHT_DIRECTIONAL \
DirectionalLight(N, V, P, f0, albedo, roughness, diffuse, specular);