load material/surface index lookup arrays to the gpu and bind them to textures. also, forgot to include the gpu code for material/surface structures

1 files changed, 35 insertions, 0 deletions

diff --git a/src/materials.h b/src/materials.h
new file mode 100644
index 0000000..05aa121
--- /dev/null
+++ b/src/materials.h
@@ -0,0 +1,35 @@
+struct Material
+{
+	float *refractive_index;
+	float *absorption_length;
+	float *scattering_length;
+};
+
+struct Surface
+{
+	float *absorption;
+	float *reflection_diffuse;
+	float *reflection_specular;
+};
+
+__device__ struct Material materials[100];
+__device__ struct Surface surfaces[100];
+
+extern "C"
+{
+
+__global__ void set_material(int material_index, float *refractive_index, float *absorption_length, float *scattering_length)
+{
+	materials[material_index].refractive_index = refractive_index;
+	materials[material_index].absorption_length = absorption_length;
+	materials[material_index].scattering_length = scattering_length;
+}
+
+__global__ void set_surface(int surface_index, float *absorption, float *reflection_diffuse, float *reflection_specular)
+{
+	surfaces[surface_index].absorption = absorption;
+	surfaces[surface_index].reflection_diffuse = reflection_diffuse;
+	surfaces[surface_index].reflection_specular = reflection_specular;
+}
+
+} // extern "c"