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swrasterizer/lighting: implement shadow attenuation

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This commit is contained in:
wwylele 2018-03-12 19:40:17 +02:00
parent 6c63bb11d9
commit ce2ad7436e
2 changed files with 54 additions and 4 deletions
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13
src/video_core/regs_lighting.h
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@ -187,9 +187,15 @@ struct LightingRegs {
BitField<0, 3, u32> max_light_index; // Number of enabled lights - 1
union {
BitField<0, 1, u32> enable_shadow;
BitField<2, 2, LightingFresnelSelector> fresnel_selector;
BitField<4, 4, LightingConfig> config;
BitField<16, 1, u32> shadow_primary;
BitField<17, 1, u32> shadow_secondary;
BitField<18, 1, u32> shadow_invert;
BitField<19, 1, u32> shadow_alpha;
BitField<22, 2, u32> bump_selector; // 0: Texture 0, 1: Texture 1, 2: Texture 2
BitField<24, 2, u32> shadow_selector;
BitField<27, 1, u32> clamp_highlights;
BitField<28, 2, LightingBumpMode> bump_mode;
BitField<30, 1, u32> disable_bump_renorm;
@ -198,6 +204,9 @@ struct LightingRegs {
union {
u32 raw;
// Each bit specifies whether shadow should be applied for the corresponding light.
BitField<0, 8, u32> disable_shadow;
// Each bit specifies whether spot light attenuation should be applied for the corresponding
// light.
BitField<8, 8, u32> disable_spot_atten;
@ -224,6 +233,10 @@ struct LightingRegs {
return (config1.disable_spot_atten & (1 << index)) != 0;
}
bool IsShadowDisabled(unsigned index) const {
return (config1.disable_shadow & (1 << index)) != 0;
}
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