experimenting with g buffer sprites

sprite_light_experimental
cosmonaut 2020-12-12 01:09:44 -08:00
parent 3a0aa8894d
commit a76c0234d4
7 changed files with 59 additions and 20 deletions

View File

@ -17,6 +17,7 @@ namespace Kav
EffectParameter roughnessParam;
EffectParameter uvOffsetAndDimensionsParam;
EffectParameter isSpriteParam;
EffectParameter numTextureRowsParam;
EffectParameter numTextureColumnsParam;
@ -35,6 +36,8 @@ namespace Kav
Vector2 uvOffset;
Vector2 subTextureDimensions;
bool isSprite = false;
int numTextureRows = 1;
int numTextureColumns = 1;
@ -178,6 +181,16 @@ namespace Kav
}
}
public bool IsSprite
{
get { return isSprite; }
set
{
isSprite = value;
isSpriteParam.SetValue(isSprite ? 1f : 0f);
}
}
public bool HardwareInstancingEnabled
{
get { return hardwareInstancingEnabled; }
@ -313,6 +326,7 @@ namespace Kav
numTextureColumnsParam = Parameters["NumTextureColumns"];
uvOffsetAndDimensionsParam = Parameters["UVOffsetAndDimensions"];
isSpriteParam = Parameters["IsSprite"];
shaderIndexParam = Parameters["PixelShaderIndex"];
vertexShaderIndexParam = Parameters["VertexShaderIndex"];

View File

@ -18,6 +18,8 @@ namespace Kav
EffectParameter farPlaneParam;
EffectParameter worldParam;
EffectParameter worldInverseParam;
EffectParameter worldViewProjectionParam;
public Texture2D GPosition { get; set; }
@ -45,7 +47,7 @@ namespace Kav
set
{
world = value;
dirtyFlags |= EffectDirtyFlags.WorldViewProj;
dirtyFlags |= EffectDirtyFlags.WorldViewProj | EffectDirtyFlags.World;
}
}
@ -77,7 +79,7 @@ namespace Kav
public DeferredPBR_PointLightEffect(DeferredPBR_PointLightEffect cloneSource) : base(cloneSource)
{
CacheEffectParameters();
GPosition = cloneSource.GPosition;
GAlbedo = cloneSource.GAlbedo;
GNormal = cloneSource.GNormal;
@ -112,6 +114,14 @@ namespace Kav
farPlaneParam.SetValue(FarPlane);
if ((dirtyFlags & EffectDirtyFlags.World) != 0)
{
worldParam.SetValue(world);
worldInverseParam.SetValue(Matrix.Invert(world));
dirtyFlags &= ~EffectDirtyFlags.World;
}
if ((dirtyFlags & EffectDirtyFlags.WorldViewProj) != 0)
{
worldViewProjectionParam.SetValue(world * view * projection);
@ -135,6 +145,8 @@ namespace Kav
farPlaneParam = Parameters["FarPlane"];
worldParam = Parameters["World"];
worldInverseParam = Parameters["WorldInverse"];
worldViewProjectionParam = Parameters["WorldViewProjection"];
}
}

BIN
Effects/FXB/DeferredPBR_GBufferEffect.fxb (Stored with Git LFS)

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@ -5,6 +5,7 @@ DECLARE_TEXTURE(NormalTexture, 1);
DECLARE_TEXTURE(MetallicRoughnessTexture, 2);
float4 UVOffsetAndDimensions;
float IsSprite;
BEGIN_CONSTANTS
@ -119,7 +120,7 @@ PixelOutput NonePS(PixelInput input)
PixelOutput output;
output.gPosition = float4(input.PositionWorld, 1.0);
output.gNormal = float4(normalize(input.NormalWorld), 1.0);
output.gNormal = float4(normalize(input.NormalWorld), IsSprite);
output.gAlbedo = float4(AlbedoValue, 1.0);
output.gMetallicRoughness = float4(MetallicValue, RoughnessValue, 0.0, 1.0);
@ -131,7 +132,7 @@ PixelOutput AlbedoPS(PixelInput input)
PixelOutput output;
output.gPosition = float4(input.PositionWorld, 1.0);
output.gNormal = float4(normalize(input.NormalWorld), 1.0);
output.gNormal = float4(normalize(input.NormalWorld), IsSprite);
output.gAlbedo = SAMPLE_TEXTURE(AlbedoTexture, input.TexCoord);
output.gMetallicRoughness = float4(MetallicValue, RoughnessValue, 0.0, 1.0);
@ -145,7 +146,7 @@ PixelOutput MetallicRoughnessPS(PixelInput input)
PixelOutput output;
output.gPosition = float4(input.PositionWorld, 1.0);
output.gNormal = float4(normalize(input.NormalWorld), 1.0);
output.gNormal = float4(normalize(input.NormalWorld), IsSprite);
output.gAlbedo = float4(AlbedoValue, 1.0);
output.gMetallicRoughness = SAMPLE_TEXTURE(MetallicRoughnessTexture, input.TexCoord);
@ -157,7 +158,7 @@ PixelOutput NormalPS(PixelInput input)
PixelOutput output;
output.gPosition = float4(input.PositionWorld, 1.0);
output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), 1.0);
output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), IsSprite);
output.gAlbedo = float4(AlbedoValue, 1.0);
output.gMetallicRoughness = float4(MetallicValue, RoughnessValue, 0.0, 1.0);
@ -169,7 +170,7 @@ PixelOutput AlbedoMetallicRoughnessPS(PixelInput input)
PixelOutput output;
output.gPosition = float4(input.PositionWorld, 1.0);
output.gNormal = float4(normalize(input.NormalWorld), 1.0);
output.gNormal = float4(normalize(input.NormalWorld), IsSprite);
output.gAlbedo = SAMPLE_TEXTURE(AlbedoTexture, input.TexCoord);
output.gMetallicRoughness = SAMPLE_TEXTURE(MetallicRoughnessTexture, input.TexCoord);
@ -183,7 +184,7 @@ PixelOutput AlbedoNormalPS(PixelInput input)
PixelOutput output;
output.gPosition = float4(input.PositionWorld, 1.0);
output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), 1.0);
output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), IsSprite);
output.gAlbedo = SAMPLE_TEXTURE(AlbedoTexture, input.TexCoord);
output.gMetallicRoughness = float4(MetallicValue, RoughnessValue, 0.0, 1.0);
@ -197,7 +198,7 @@ PixelOutput MetallicRoughnessNormalPS(PixelInput input)
PixelOutput output;
output.gPosition = float4(input.PositionWorld, 1.0);
output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), 1.0);
output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), IsSprite);
output.gAlbedo = float4(AlbedoValue, 1.0);
output.gMetallicRoughness = SAMPLE_TEXTURE(MetallicRoughnessTexture, input.TexCoord);
@ -209,7 +210,7 @@ PixelOutput AlbedoMetallicRoughnessNormalMapPS(PixelInput input)
PixelOutput output;
output.gPosition = float4(input.PositionWorld, 1.0);
output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), 1.0);
output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), IsSprite);
output.gAlbedo = SAMPLE_TEXTURE(AlbedoTexture, input.TexCoord);
output.gMetallicRoughness = SAMPLE_TEXTURE(MetallicRoughnessTexture, input.TexCoord);

View File

@ -1,7 +1,7 @@
// Assumes you are drawing a sphere!!
#include "Macros.fxh" //from FNA
#include "Lighting.fxh"
#include "Lighting.fxh"
#include "Shadow.fxh"
DECLARE_TEXTURE(gPosition, 0);
@ -13,7 +13,7 @@ DECLARE_CUBEMAP(shadowMap, 4);
BEGIN_CONSTANTS
float3 EyePosition _ps(c0) _cb(c0);
float3 PointLightPosition _ps(c1) _cb(c1);
float3 PointLightColor _ps(c2) _cb(c2);
@ -21,6 +21,8 @@ BEGIN_CONSTANTS
MATRIX_CONSTANTS
float4x4 WorldInverse _ps(c4) _cb(c8);
float4x4 World _ps(c8) _cb(c12);
float4x4 WorldViewProjection _vs(c0) _cb(c4);
END_CONSTANTS
@ -42,7 +44,7 @@ PixelInput main_vs(VertexInput input)
output.Position = mul(input.Position, WorldViewProjection);
output.ScreenPosition = output.Position;
return output;
}
@ -78,19 +80,25 @@ float4 main_ps(PixelInput input) : SV_TARGET0
{
input.ScreenPosition.xy /= input.ScreenPosition.w;
float2 texCoord = 0.5f * float2(input.ScreenPosition.x,-input.ScreenPosition.y) + 0.5f;
float3 worldPosition = SAMPLE_TEXTURE(gPosition, texCoord).rgb;
float3 normal = SAMPLE_TEXTURE(gNormal, texCoord).xyz;
float4 normalSample = SAMPLE_TEXTURE(gNormal, texCoord);
float3 normal = normalSample.xyz;
float isSprite = normalSample.a;
float3 albedo = SAMPLE_TEXTURE(gAlbedo, texCoord).rgb;
float2 metallicRoughness = SAMPLE_TEXTURE(gMetallicRoughness, texCoord).rg;
float3 objectZNormal = mul(normal, WorldInverse);
objectZNormal.xz *= -1;
float3 invertedZNormalWorld = mul(objectZNormal, World);
return ComputeColor(
worldPosition,
normal,
albedo,
metallicRoughness.r,
metallicRoughness.g
);
) + (isSprite * ComputeColor(worldPosition, invertedZNormalWorld, albedo, metallicRoughness.r, metallicRoughness.g));
}
Technique DeferredPBR_Point

View File

@ -207,6 +207,8 @@ namespace Kav
GraphicsDevice.BlendState = BlendState.AlphaBlend;
Deferred_GBufferEffect.HardwareInstancingEnabled = false;
Deferred_GBufferEffect.IsSprite = true;
Deferred_GBufferEffect.View = camera.View;
Deferred_GBufferEffect.Projection = camera.Projection;
@ -418,6 +420,7 @@ namespace Kav
GraphicsDevice.BlendState = BlendState.Opaque;
Deferred_GBufferEffect.HardwareInstancingEnabled = true;
Deferred_GBufferEffect.IsSprite = false;
Deferred_GBufferEffect.Albedo = drawable.Albedo;
Deferred_GBufferEffect.Metallic = drawable.Metallic;
@ -465,6 +468,7 @@ namespace Kav
GraphicsDevice.DepthStencilState = DepthStencilState.Default;
GraphicsDevice.BlendState = BlendState.Opaque;
Deferred_GBufferEffect.IsSprite = false;
Deferred_GBufferEffect.HardwareInstancingEnabled = false;
Deferred_GBufferEffect.View = camera.View;
Deferred_GBufferEffect.Projection = camera.Projection;