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-rw-r--r--src/video_core/command_processor.cpp15
-rw-r--r--src/video_core/pica.h19
2 files changed, 34 insertions, 0 deletions
diff --git a/src/video_core/command_processor.cpp b/src/video_core/command_processor.cpp
index 59c75042c..7409534b6 100644
--- a/src/video_core/command_processor.cpp
+++ b/src/video_core/command_processor.cpp
@@ -464,6 +464,21 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
break;
}
+ case PICA_REG_INDEX_WORKAROUND(lighting.lut_data[0], 0x1c8):
+ case PICA_REG_INDEX_WORKAROUND(lighting.lut_data[1], 0x1c9):
+ case PICA_REG_INDEX_WORKAROUND(lighting.lut_data[2], 0x1ca):
+ case PICA_REG_INDEX_WORKAROUND(lighting.lut_data[3], 0x1cb):
+ case PICA_REG_INDEX_WORKAROUND(lighting.lut_data[4], 0x1cc):
+ case PICA_REG_INDEX_WORKAROUND(lighting.lut_data[5], 0x1cd):
+ case PICA_REG_INDEX_WORKAROUND(lighting.lut_data[6], 0x1ce):
+ case PICA_REG_INDEX_WORKAROUND(lighting.lut_data[7], 0x1cf):
+ {
+ auto& lut_config = regs.lighting.lut_config;
+ g_state.lighting.luts[lut_config.type][lut_config.index].raw = value;
+ lut_config.index = lut_config.index + 1;
+ break;
+ }
+
default:
break;
}
diff --git a/src/video_core/pica.h b/src/video_core/pica.h
index 81a568e88..b09484de4 100644
--- a/src/video_core/pica.h
+++ b/src/video_core/pica.h
@@ -1156,6 +1156,25 @@ struct State {
ShaderSetup vs;
ShaderSetup gs;
+ struct {
+ union LutEntry {
+ // Used for raw access
+ u32 raw;
+
+ // LUT value, encoded as 12-bit fixed point, with 12 fraction bits
+ BitField< 0, 12, u32> value;
+
+ // Used by HW for efficient interpolation, Citra does not use these
+ BitField<12, 12, u32> difference;
+
+ float ToFloat() {
+ return static_cast<float>(value) / 4095.f;
+ }
+ };
+
+ std::array<LutEntry, 256> luts[24];
+ } lighting;
+
/// Current Pica command list
struct {
const u32* head_ptr;