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Automatically select a suitable light environment layer

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fincs 2015-11-26 12:18:44 +01:00
parent 497a4ff9b7
commit b7daa13f59
1 changed files with 25 additions and 0 deletions
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25
source/lightenv.c
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@ -24,6 +24,30 @@ static void C3Di_LightLutUpload(u32 config, C3D_LightLut* lut)
GPUCMD_AddWrites(GPUREG_LIGHTING_LUT_DATA0, &lut->data[i], 8);
}
static void C3Di_LightEnvSelectLayer(C3D_LightEnv* env)
{
static const u8 layer_enabled[] =
{
BIT(GPU_LUT_D0) | BIT(GPU_LUT_RR) | BIT(GPU_LUT_SP) | BIT(GPU_LUT_DA),
BIT(GPU_LUT_FR) | BIT(GPU_LUT_RR) | BIT(GPU_LUT_SP) | BIT(GPU_LUT_DA),
BIT(GPU_LUT_D0) | BIT(GPU_LUT_D1) | BIT(GPU_LUT_RR) | BIT(GPU_LUT_DA),
BIT(GPU_LUT_D0) | BIT(GPU_LUT_D1) | BIT(GPU_LUT_FR) | BIT(GPU_LUT_DA),
0xFF &~ BIT(GPU_LUT_FR),
0xFF &~ BIT(GPU_LUT_D1),
0xFF &~ (BIT(GPU_LUT_RB) | BIT(GPU_LUT_RG)),
};
u32 reg = ~env->conf.config[1];
if (reg & (0xFF<< 8)) reg |= GPU_LC1_LUTBIT(GPU_LUT_SP);
if (reg & (0xFF<<24)) reg |= GPU_LC1_LUTBIT(GPU_LUT_DA);
reg = (reg >> 16) & 0xFF;
int i;
for (i = 0; i < 7; i ++)
if ((layer_enabled[i] & reg) == reg) // Check if the layer supports all LUTs we need
break;
env->conf.config[0] = (env->conf.config[0] &~ (0xF<<4)) | (GPU_LIGHT_ENV_LAYER_CONFIG(i)<<4);
}
static void C3Di_LightEnvUpdate(C3D_LightEnv* env)
{
int i;
@ -54,6 +78,7 @@ static void C3Di_LightEnvUpdate(C3D_LightEnv* env)
if (env->flags & C3DF_LightEnv_Dirty)
{
C3Di_LightEnvSelectLayer(env);
GPUCMD_AddWrite(GPUREG_LIGHTING_AMBIENT, conf->ambient);
GPUCMD_AddIncrementalWrites(GPUREG_LIGHTING_NUM_LIGHTS, (u32*)&conf->numLights, 3);
GPUCMD_AddIncrementalWrites(GPUREG_LIGHTING_LUTINPUT_ABS, (u32*)&conf->lutInput, 3);