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| author | Mirrorbot <mirrorbot@cogarr.net> | 2025-12-27 17:53:06 -0600 |
|---|---|---|
| committer | Mirrorbot <mirrorbot@cogarr.net> | 2025-12-27 17:53:06 -0600 |
| commit | 71e94ee161447b84c0eaabf6567f8fa62262cd3e (patch) | |
| tree | 391064cc6173a6fe75069af2fdc1978af12f623e /media/d3d9.hlsl | |
| download | irrlicht-master.tar.gz irrlicht-master.tar.bz2 irrlicht-master.zip | |
Diffstat (limited to 'media/d3d9.hlsl')
| -rw-r--r-- | media/d3d9.hlsl | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/media/d3d9.hlsl b/media/d3d9.hlsl new file mode 100644 index 0000000..e3f3e42 --- /dev/null +++ b/media/d3d9.hlsl @@ -0,0 +1,84 @@ +// part of the Irrlicht Engine Shader example.
+// These simple Direct3D9 pixel and vertex shaders will be loaded by the shaders
+// example. Please note that these example shaders don't do anything really useful.
+// They only demonstrate that shaders can be used in Irrlicht.
+
+//-----------------------------------------------------------------------------
+// Global variables
+//-----------------------------------------------------------------------------
+float4x4 mWorldViewProj; // World * View * Projection transformation
+float4x4 mInvWorld; // Inverted world matrix
+float4x4 mTransWorld; // Transposed world matrix
+float3 mLightPos; // Light position
+float4 mLightColor; // Light color
+
+
+// Vertex shader output structure
+struct VS_OUTPUT
+{
+ float4 Position : POSITION; // vertex position
+ float4 Diffuse : COLOR0; // vertex diffuse color
+ float2 TexCoord : TEXCOORD0; // tex coords
+};
+
+
+VS_OUTPUT vertexMain(in float4 vPosition : POSITION,
+ in float3 vNormal : NORMAL,
+ float2 texCoord : TEXCOORD0 )
+{
+ VS_OUTPUT Output;
+
+ // transform position to clip space
+ Output.Position = mul(vPosition, mWorldViewProj);
+
+ // transform normal
+ float3 normal = mul(float4(vNormal,0.0), mInvWorld);
+
+ // renormalize normal
+ normal = normalize(normal);
+
+ // position in world coodinates
+ float3 worldpos = mul(mTransWorld, vPosition);
+
+ // calculate light vector, vtxpos - lightpos
+ float3 lightVector = worldpos - mLightPos;
+
+ // normalize light vector
+ lightVector = normalize(lightVector);
+
+ // calculate light color
+ float3 tmp = dot(-lightVector, normal);
+ tmp = lit(tmp.x, tmp.y, 1.0);
+
+ tmp = mLightColor * tmp.y;
+ Output.Diffuse = float4(tmp.x, tmp.y, tmp.z, 0);
+ Output.TexCoord = texCoord;
+
+ return Output;
+}
+
+
+// Pixel shader output structure
+struct PS_OUTPUT
+{
+ float4 RGBColor : COLOR0; // Pixel color
+};
+
+
+sampler2D myTexture;
+
+PS_OUTPUT pixelMain(float2 TexCoord : TEXCOORD0,
+ float4 Position : POSITION,
+ float4 Diffuse : COLOR0 )
+{
+ PS_OUTPUT Output;
+
+ float4 col = tex2D( myTexture, TexCoord ); // sample color map
+
+ // multiply with diffuse and do other senseless operations
+ Output.RGBColor = Diffuse * col;
+ Output.RGBColor *= 4.0;
+
+ return Output;
+}
+
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