1 2// Test v*v, v*m, m*v, and m*m argument clamping. 3 4cbuffer Matrix 5{ 6 float4x4 m44; 7 float4x3 m43; 8 float3x4 m34; 9 float3x3 m33; 10 float2x4 m24; 11 float4x2 m42; 12 float4 v4; 13 float3 v3; 14 float2 v2; 15} 16 17float4 main() : SV_Target0 18{ 19 // v*v: 20 float r00 = mul(v2, v3); // float = float2*float3; // clamp to float2 dot product 21 float r01 = mul(v4, v2); // float = float4*float2; // clamp to float2 dot product 22 23 // v*m 24 float4 r10 = mul(v3, m44); // float4 = float3 * float4x4; // clamp mat to float3x4; 25 float4 r11 = mul(v4, m34); // truncate vector to vec3 26 27 // m*v 28 float4 r20 = mul(m44, v3); // float4 = float4x4 * float3; // clamp mat to float4x3; 29 float4 r21 = mul(m43, v4); // truncate vector to vec3 30 31 // m*m 32 float2x3 r30 = mul(m24, m33); // float2x3 = float2x4 * float3x3; 33 float3x4 r31 = mul(m33, m24); // float3x4 = float3x3 * float2x4; 34 float3x2 r32 = mul(m33, m42); // float3x2 = float3x3 * float4x2; 35 float4x3 r33 = mul(m42, m33); // float4x3 = float4x2 * float3x3; 36 37 return r10 + r11 + r20 + r21 + r00 + r01 + r30[0].x + r31[0] + r32[0].x + transpose(r33)[0]; 38} 39