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authorbunnei <bunneidev@gmail.com>2015-09-13 00:47:15 +0200
committerbunnei <bunneidev@gmail.com>2016-02-05 23:17:26 +0100
commit4369767c721e9633fc6cd9c49b6142ff9b2fa8ea (patch)
tree73de949ed45824b61537d14ff98ec0cf0308a3a0 /src/video_core/pica.h
parentpica: Add pica_types module and move float24 definition. (diff)
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Diffstat (limited to 'src/video_core/pica.h')
-rw-r--r--src/video_core/pica.h105
1 files changed, 104 insertions, 1 deletions
diff --git a/src/video_core/pica.h b/src/video_core/pica.h
index b8db7869a..81a568e88 100644
--- a/src/video_core/pica.h
+++ b/src/video_core/pica.h
@@ -643,7 +643,110 @@ struct Regs {
}
}
- INSERT_PADDING_WORDS(0xe0);
+ INSERT_PADDING_WORDS(0x20);
+
+ struct {
+ union LightColor {
+ BitField< 0, 10, u32> b;
+ BitField<10, 10, u32> g;
+ BitField<20, 10, u32> r;
+
+ Math::Vec3f ToVec3f() const {
+ return Math::MakeVec((f32)r / 255.f, (f32)g / 255.f, (f32)b / 255.f);
+ }
+ };
+
+ struct LightSrc {
+ LightColor specular_0; // material.specular_0 * light.specular_0
+ LightColor specular_1; // material.specular_1 * light.specular_1
+ LightColor diffuse; // material.diffuse * light.diffuse
+ LightColor ambient; // material.ambient * light.ambient
+
+ struct {
+ // Encoded as 16-bit floating point
+ u16 x;
+ u16 y;
+ u16 z;
+ u16 unk;
+
+ INSERT_PADDING_WORDS(0x3);
+
+ // 1.f if 0, otherwise 0.f
+ BitField<0, 1, u32> w;
+ } position;
+
+
+ BitField<0, 20, u32> dist_atten_bias;
+ BitField<0, 20, u32> dist_atten_scale;
+
+ INSERT_PADDING_WORDS(0x4);
+ };
+ static_assert(sizeof(LightSrc) == 0x10 * sizeof(u32), "LightSrc structure must be 0x10 words");
+
+ LightSrc light[8];
+ LightColor global_ambient; // emission + (material.ambient * lighting.ambient)
+ INSERT_PADDING_WORDS(0x1);
+ BitField<0, 3, u32> src_num; // number of enabled lights - 1
+ INSERT_PADDING_WORDS(0x1);
+
+ union {
+ // Each bit specifies whether distance attenuation should be applied for the
+ // corresponding light
+
+ BitField<24, 1, u32> light_0;
+ BitField<25, 1, u32> light_1;
+ BitField<26, 1, u32> light_2;
+ BitField<27, 1, u32> light_3;
+ BitField<28, 1, u32> light_4;
+ BitField<29, 1, u32> light_5;
+ BitField<30, 1, u32> light_6;
+ BitField<31, 1, u32> light_7;
+
+ bool IsEnabled(unsigned index) const {
+ const unsigned enable[] = { light_0, light_1, light_2, light_3, light_4, light_5, light_6, light_7 };
+ return enable[index] == 0;
+ }
+ } dist_atten_enable;
+
+ union {
+ BitField<0, 8, u32> index; ///< Index at which to set data in the LUT
+ BitField<8, 5, u32> type; ///< Type of LUT for which to set data
+ } lut_config;
+
+ BitField<0, 1, u32> disable;
+ INSERT_PADDING_WORDS(0x1);
+
+ // When data is written to any of these registers, it gets written to the lookup table of
+ // the selected type at the selected index, specified above in the `lut_config` register.
+ // With each write, `lut_config.index` is incremented. It does not matter which of these
+ // registers is written to, the behavior will be the same.
+ u32 lut_data[8];
+
+ INSERT_PADDING_WORDS(0x9);
+
+ union {
+ // There are 8 light enable "slots", corresponding to the total number of lights
+ // supported by Pica. For N enabled lights (specified by register 0x1c2, or 'src_num'
+ // above), the first N slots below will be set to integers within the range of 0-7,
+ // corresponding to the actual light that is enabled for each slot.
+
+ BitField< 0, 3, u32> slot_0;
+ BitField< 4, 3, u32> slot_1;
+ BitField< 8, 3, u32> slot_2;
+ BitField<12, 3, u32> slot_3;
+ BitField<16, 3, u32> slot_4;
+ BitField<20, 3, u32> slot_5;
+ BitField<24, 3, u32> slot_6;
+ BitField<28, 3, u32> slot_7;
+
+ unsigned GetNum(unsigned index) const {
+ const unsigned enable_slots[] = { slot_0, slot_1, slot_2, slot_3, slot_4, slot_5, slot_6, slot_7 };
+ return enable_slots[index];
+ }
+ } light_enable;
+ } lighting;
+
+ INSERT_PADDING_WORDS(0x26);
enum class VertexAttributeFormat : u64 {
BYTE = 0,