Add Instanced Rendering / 2 more scenes

project/resources/InstancedSimpleDiffuse.fx

@@ -0,0 +1,194 @@
+SamplerState gSampleState : SampleState;
+RasterizerState gRasterizerState : RastState;
+
+float4x4 gWorldViewProj : WorldViewProjection;
+float4x4 gWorldMatrix : WorldMatrix;
+
+texture2D gDiffuseMap : DiffuseMap;
+texture2D gNormalMap : Normal;
+texture2D gSpecularMap : Specular;
+texture2D gGlossMap : Gloss;
+
+float3 gLightDirection : LightDirection;
+float3 gLightColor : LightColor;
+float3 gCameraPosition : CameraPosition;
+bool gUseNormal : UseNormal;
+
+
+static const float3 gAmbient = float3(.03f, .03f, .03f);
+static const float gLightIntensity = 7.f;
+static const float PI = 3.14159f;
+static const float gSpecularReflectance = 1.f;
+static const float gShininess = 25.f;
+
+//Input output
+struct VS_INPUT {
+    float3 Position : POSITION;
+    float2 TexCoord : TEXCOORD;
+    float3 Normal : NORMAL;
+    float3 Tangent : TANGENT;
+    float4 InstanceWorld0 : INSTANCEWORLD0;
+    float4 InstanceWorld1 : INSTANCEWORLD1;
+    float4 InstanceWorld2 : INSTANCEWORLD2;
+    float4 InstanceWorld3 : INSTANCEWORLD3;
+    float4 InstanceColor : INSTANCECOLOR;
+};
+struct VS_OUTPUT {
+    float4 Position : SV_POSITION;
+    float4 WorldPosition : WORLDPOSITION;
+    float2 TexCoord : TEXCOORD;
+    float3 Normal : NORMAL;
+    float3 Tangent : TANGENT;
+    float4 Color : COLOR; // Pass instance color to the pixel shader
+};
+
+
+//----------------------
+//  Rasterizer state
+//----------------------
+// RasterizerState gRasterizerState
+// {
+//     CullMode = none;
+//     FrontCounterClockwise = false; //default
+// };
+
+
+//Vertex shader
+VS_OUTPUT VS(VS_INPUT input) {
+
+    VS_OUTPUT output;
+
+    // Reconstruct the world matrix from instance data
+    float4x4 instanceWorld = float4x4(
+        input.InstanceWorld0,
+        input.InstanceWorld1,
+        input.InstanceWorld2,
+        input.InstanceWorld3
+    );
+
+    // Transform the position to world space and then to clip space
+    float4 worldPosition = mul(float4(input.Position, 1.0f), instanceWorld);
+    output.Position = mul(worldPosition, gWorldViewProj); // Transform to clip space using gViewProjMatrix
+    output.WorldPosition = worldPosition; // Pass through the
+//
+    // Extract the 3x3 upper portion of the world matrix for normal and tangent transformations
+    float3x3 instanceWorld3x3 = (float3x3)instanceWorld; // Extract upper 3x3 matrix
+    output.Normal = normalize(mul(input.Normal, instanceWorld3x3)); // Transform and normalize the normal
+    output.Tangent = normalize(mul(input.Tangent, instanceWorld3x3)); // Transform and normalize the tangent
+
+    // Pass through texture coordinates
+    output.TexCoord = input.TexCoord;
+
+    // Pass through the instance color
+    output.Color = input.InstanceColor;
+
+    return output;
+}
+float3 Phong(float ks, float exp, float3 l, float3 v, float3 n)
+{
+    float3 reflected = reflect(l, n);
+    float cosAngle = dot(reflected, v);
+    return ks * pow(max(0.f, cosAngle), exp) * gLightColor;
+}
+float3 Lambert(float kd, float3 cd)
+{
+    return (kd * cd) / PI;
+}
+
+
+float3 Shade(VS_OUTPUT input)
+{
+    // Sample diffuse, specular, and gloss maps
+    float3 diffuseSample = gDiffuseMap.Sample(gSampleState, input.TexCoord).rgb;
+    float3 specularSample = gSpecularMap.Sample(gSampleState, input.TexCoord).rgb;
+    float glossSample = gGlossMap.Sample(gSampleState, input.TexCoord).x;
+    float3 normalSample = gNormalMap.Sample(gSampleState, input.TexCoord).rgb;
+
+    // Compute inversed view and light directions
+    float3 invViewDirection = normalize(gCameraPosition - input.WorldPosition.xyz);
+    float3 invLightDirection = -gLightDirection;
+
+    // Compute tangent space axes if normal mapping is used
+    float3 normal = input.Normal;
+    if (gUseNormal) {
+        float3 binormal = cross(input.Normal, input.Tangent);
+        float3x3 tangentSpaceAxis = float3x3(input.Tangent, binormal, input.Normal);
+
+        // Sample and transform normal map
+        normal = float3(2.f * normalSample.x - 1.f,
+                        2.f * normalSample.y - 1.f,
+                        2.f * normalSample.z - 1.f);
+        normal = mul(normal, tangentSpaceAxis);
+    }
+
+    // Compute Lambert diffuse lighting
+    float3 diffuse = Lambert(gLightIntensity, diffuseSample);
+
+    // Compute Phong specular lighting
+    float ks = (specularSample.x + specularSample.y + specularSample.z) / 3.f;
+    float3 specular = Phong(ks, glossSample * gShininess, invLightDirection, invViewDirection, normal);
+
+    // Compute observed area based on the cosine of the light angle
+    float cosAngle = dot(invLightDirection, normal);
+    float3 observedArea = float3(cosAngle, cosAngle, cosAngle);
+
+    // Combine lighting components
+    float3 color = saturate(diffuse * observedArea + specular + gAmbient * cosAngle);
+
+    return color;
+}
+float4 PS(VS_OUTPUT input) : SV_TARGET {
+    // Normalize vectors
+    float3 norm = normalize(input.Normal);
+    float3 lightDir = normalize(gLightDirection);
+    float3 viewDir = normalize(gCameraPosition - input.WorldPosition.xyz);
+
+    // Compute ambient lighting
+    float3 ambient = gAmbient * gLightColor;
+
+    // Compute diffuse lighting
+    float diff = max(dot(norm, lightDir), 0.0f); // Ensure clamping to non-negative values
+    float3 diffuse = diff * gLightColor;
+
+    // Compute specular lighting
+    float3 reflectDir = reflect(-lightDir, norm); // Reflect light direction around normal
+    float spec = pow(max(dot(reflectDir, viewDir), 0.0f), gShininess); // Apply shininess exponent
+    float3 specular = gSpecularReflectance * spec * gLightColor;
+
+    // Combine the lighting components with input color
+    float3 finalColor = ambient + diffuse + specular;
+//     return float4(finalColor * input.Color.rgb, input.Color.a); // Multiply by vertex color
+    return gDiffuseMap.Sample(gSampleState, input.TexCoord);
+}
+
+float4 PSNormal(VS_OUTPUT input) : SV_TARGET {
+    // Normalize the input normal
+    float3 norm = normalize(input.Normal);
+
+    // Map the normal from [-1, 1] to [0, 1]
+    float3 normalColor = 0.5f * (norm + 1.0f);
+
+    // Output the normal as RGB color
+    return float4(normalColor, 1.0f); // Alpha is set to 1 for full opacity
+}
+
+DepthStencilState gDepthStencilState
+{
+    //enable
+    DepthEnable = true;
+    DepthWriteMask = ALL;
+    DepthFunc = LESS;
+    //stencil
+    StencilEnable = true;
+};
+
+
+technique11 DefaultTechnique {
+    pass P0 {
+        SetDepthStencilState(gDepthStencilState, 0);
+        SetRasterizerState(gRasterizerState);
+        SetVertexShader(CompileShader(vs_5_0, VS()));
+        SetGeometryShader(NULL);
+        SetPixelShader(CompileShader(ps_5_0, PS()));
+    }
+}

project/resources/cube.mtl

@@ -0,0 +1,12 @@
+# Blender 4.3.2 MTL File: 'None'
+# www.blender.org
+
+newmtl Grass
+Ns 360.000000
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2

project/resources/cube.obj

@@ -0,0 +1,34 @@
+# Blender 4.3.2
+# www.blender.org
+mtllib cube.mtl
+o Cube
+v -1.000000 -1.000000 1.000000
+v -1.000000 1.000000 1.000000
+v -1.000000 -1.000000 -1.000000
+v -1.000000 1.000000 -1.000000
+v 1.000000 -1.000000 1.000000
+v 1.000000 1.000000 1.000000
+v 1.000000 -1.000000 -1.000000
+v 1.000000 1.000000 -1.000000
+vn -1.0000 -0.0000 -0.0000
+vn -0.0000 -0.0000 -1.0000
+vn 1.0000 -0.0000 -0.0000
+vn -0.0000 -0.0000 1.0000
+vn -0.0000 -1.0000 -0.0000
+vn -0.0000 1.0000 -0.0000
+vt 0.500000 0.500000
+vt 0.500000 1.000000
+vt 1.000000 1.000000
+vt 1.000000 0.500000
+vt 0.000000 1.000000
+vt 0.000000 0.500000
+vt 0.500000 0.000000
+vt 1.000000 0.000000
+s 1
+usemtl Grass
+f 1/1/1 2/2/1 4/3/1 3/4/1
+f 3/1/2 4/2/2 8/3/2 7/4/2
+f 7/4/3 8/3/3 6/2/3 5/1/3
+f 5/4/4 6/3/4 2/2/4 1/1/4
+f 3/5/5 7/2/5 5/1/5 1/6/5
+f 8/4/6 4/1/6 2/7/6 6/8/6

project/resources/planet/planet.mtl

@@ -0,0 +1,13 @@
+# Blender MTL File: 'None'
+# Material Count: 1
+
+newmtl Mars
+Ns 96.078443
+Ka 1.000000 1.000000 1.000000
+Kd 0.640000 0.640000 0.640000
+Ks 0.500000 0.500000 0.500000
+Ke 0.0 0.0 0.0
+Ni 1.000000
+d 1.000000
+illum 2
+map_Kd mars.png

project/resources/planet/rock/rock.mtl

@@ -0,0 +1,12 @@
+# Blender MTL File: 'Rock1.blend'
+# Material Count: 1
+
+newmtl Material
+Ns 13.725490
+Ka 0.000000 0.000000 0.000000
+Kd 0.640000 0.640000 0.640000
+Ks 0.007937 0.007937 0.007937
+Ni 1.000000
+d 1.000000
+illum 2
+map_Bump rock.png

project/resources/planet/rock/rock.obj

@@ -0,0 +1,559 @@
+# Blender v2.71 (sub 0) OBJ File: 'Rock1.blend'
+# www.blender.org
+mtllib rock.mtl
+o Cube
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project/resources/planet/skybox/skybox.mtl

@@ -0,0 +1,14 @@
+# Blender 4.3.2 MTL File: 'None'
+# www.blender.org
+
+newmtl Sphere
+Ns 360.000000
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.000000
+d 1.000000
+illum 2
+map_Kd space_nebula_6k.png
+