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pica: Add decodings for distance attenuation and LUT registers.
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@ -643,7 +643,110 @@ struct Regs {
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}
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}
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INSERT_PADDING_WORDS(0xe0);
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INSERT_PADDING_WORDS(0x20);
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struct {
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union LightColor {
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BitField< 0, 10, u32> b;
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BitField<10, 10, u32> g;
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BitField<20, 10, u32> r;
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Math::Vec3f ToVec3f() const {
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return Math::MakeVec((f32)r / 255.f, (f32)g / 255.f, (f32)b / 255.f);
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}
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};
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struct LightSrc {
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LightColor specular_0; // material.specular_0 * light.specular_0
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LightColor specular_1; // material.specular_1 * light.specular_1
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LightColor diffuse; // material.diffuse * light.diffuse
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LightColor ambient; // material.ambient * light.ambient
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struct {
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// Encoded as 16-bit floating point
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u16 x;
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u16 y;
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u16 z;
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u16 unk;
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INSERT_PADDING_WORDS(0x3);
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// 1.f if 0, otherwise 0.f
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BitField<0, 1, u32> w;
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} position;
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BitField<0, 20, u32> dist_atten_bias;
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BitField<0, 20, u32> dist_atten_scale;
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INSERT_PADDING_WORDS(0x4);
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};
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static_assert(sizeof(LightSrc) == 0x10 * sizeof(u32), "LightSrc structure must be 0x10 words");
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LightSrc light[8];
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LightColor global_ambient; // emission + (material.ambient * lighting.ambient)
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INSERT_PADDING_WORDS(0x1);
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BitField<0, 3, u32> src_num; // number of enabled lights - 1
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INSERT_PADDING_WORDS(0x1);
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union {
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// Each bit specifies whether distance attenuation should be applied for the
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// corresponding light
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BitField<24, 1, u32> light_0;
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BitField<25, 1, u32> light_1;
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BitField<26, 1, u32> light_2;
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BitField<27, 1, u32> light_3;
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BitField<28, 1, u32> light_4;
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BitField<29, 1, u32> light_5;
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BitField<30, 1, u32> light_6;
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BitField<31, 1, u32> light_7;
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bool IsEnabled(unsigned index) const {
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const unsigned enable[] = { light_0, light_1, light_2, light_3, light_4, light_5, light_6, light_7 };
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return enable[index] == 0;
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}
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} dist_atten_enable;
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union {
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BitField<0, 8, u32> index; ///< Index at which to set data in the LUT
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BitField<8, 5, u32> type; ///< Type of LUT for which to set data
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} lut_config;
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BitField<0, 1, u32> disable;
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INSERT_PADDING_WORDS(0x1);
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// When data is written to any of these registers, it gets written to the lookup table of
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// the selected type at the selected index, specified above in the `lut_config` register.
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// With each write, `lut_config.index` is incremented. It does not matter which of these
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// registers is written to, the behavior will be the same.
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u32 lut_data[8];
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INSERT_PADDING_WORDS(0x9);
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union {
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// There are 8 light enable "slots", corresponding to the total number of lights
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// supported by Pica. For N enabled lights (specified by register 0x1c2, or 'src_num'
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// above), the first N slots below will be set to integers within the range of 0-7,
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// corresponding to the actual light that is enabled for each slot.
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BitField< 0, 3, u32> slot_0;
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BitField< 4, 3, u32> slot_1;
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BitField< 8, 3, u32> slot_2;
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BitField<12, 3, u32> slot_3;
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BitField<16, 3, u32> slot_4;
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BitField<20, 3, u32> slot_5;
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BitField<24, 3, u32> slot_6;
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BitField<28, 3, u32> slot_7;
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unsigned GetNum(unsigned index) const {
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const unsigned enable_slots[] = { slot_0, slot_1, slot_2, slot_3, slot_4, slot_5, slot_6, slot_7 };
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return enable_slots[index];
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}
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} light_enable;
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} lighting;
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INSERT_PADDING_WORDS(0x26);
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enum class VertexAttributeFormat : u64 {
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BYTE = 0,
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