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[ShaderGen] Avoid setting lighting states if components aren't enable…
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…d (#6895)

* [ShaderGen] Avoid setting lighting states if components aren't enabled

* [Squash] clang-format
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@m4xw
m4xw authored Aug 21, 2023
1 parent cf54210 commit e129f07
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Showing 2 changed files with 183 additions and 138 deletions.
158 changes: 91 additions & 67 deletions src/video_core/renderer_opengl/gl_shader_gen.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -109,75 +109,99 @@ PicaFSConfig PicaFSConfig::BuildFromRegs(const Pica::Regs& regs, bool use_normal
<< 4;

// Fragment lighting

state.lighting.enable = !regs.lighting.disable;
state.lighting.src_num = regs.lighting.max_light_index + 1;

for (unsigned light_index = 0; light_index < state.lighting.src_num; ++light_index) {
unsigned num = regs.lighting.light_enable.GetNum(light_index);
const auto& light = regs.lighting.light[num];
state.lighting.light[light_index].num = num;
state.lighting.light[light_index].directional = light.config.directional != 0;
state.lighting.light[light_index].two_sided_diffuse = light.config.two_sided_diffuse != 0;
state.lighting.light[light_index].geometric_factor_0 = light.config.geometric_factor_0 != 0;
state.lighting.light[light_index].geometric_factor_1 = light.config.geometric_factor_1 != 0;
state.lighting.light[light_index].dist_atten_enable =
!regs.lighting.IsDistAttenDisabled(num);
state.lighting.light[light_index].spot_atten_enable =
!regs.lighting.IsSpotAttenDisabled(num);
state.lighting.light[light_index].shadow_enable = !regs.lighting.IsShadowDisabled(num);
}
if (state.lighting.enable) {
state.lighting.src_num = regs.lighting.max_light_index + 1;

for (unsigned light_index = 0; light_index < state.lighting.src_num; ++light_index) {
unsigned num = regs.lighting.light_enable.GetNum(light_index);
const auto& light = regs.lighting.light[num];
state.lighting.light[light_index].num = num;
state.lighting.light[light_index].directional = light.config.directional != 0;
state.lighting.light[light_index].two_sided_diffuse =
light.config.two_sided_diffuse != 0;
state.lighting.light[light_index].geometric_factor_0 =
light.config.geometric_factor_0 != 0;
state.lighting.light[light_index].geometric_factor_1 =
light.config.geometric_factor_1 != 0;
state.lighting.light[light_index].dist_atten_enable =
!regs.lighting.IsDistAttenDisabled(num);
state.lighting.light[light_index].spot_atten_enable =
!regs.lighting.IsSpotAttenDisabled(num);
state.lighting.light[light_index].shadow_enable = !regs.lighting.IsShadowDisabled(num);
}

state.lighting.lut_d0.enable = regs.lighting.config1.disable_lut_d0 == 0;
if (state.lighting.lut_d0.enable) {
state.lighting.lut_d0.abs_input = regs.lighting.abs_lut_input.disable_d0 == 0;
state.lighting.lut_d0.type = regs.lighting.lut_input.d0.Value();
state.lighting.lut_d0.scale =
regs.lighting.lut_scale.GetScale(regs.lighting.lut_scale.d0);
}

state.lighting.lut_d1.enable = regs.lighting.config1.disable_lut_d1 == 0;
if (state.lighting.lut_d1.enable) {
state.lighting.lut_d1.abs_input = regs.lighting.abs_lut_input.disable_d1 == 0;
state.lighting.lut_d1.type = regs.lighting.lut_input.d1.Value();
state.lighting.lut_d1.scale =
regs.lighting.lut_scale.GetScale(regs.lighting.lut_scale.d1);
}

// this is a dummy field due to lack of the corresponding register
state.lighting.lut_sp.enable = true;
state.lighting.lut_sp.abs_input = regs.lighting.abs_lut_input.disable_sp == 0;
state.lighting.lut_sp.type = regs.lighting.lut_input.sp.Value();
state.lighting.lut_sp.scale = regs.lighting.lut_scale.GetScale(regs.lighting.lut_scale.sp);

state.lighting.lut_fr.enable = regs.lighting.config1.disable_lut_fr == 0;
if (state.lighting.lut_fr.enable) {
state.lighting.lut_fr.abs_input = regs.lighting.abs_lut_input.disable_fr == 0;
state.lighting.lut_fr.type = regs.lighting.lut_input.fr.Value();
state.lighting.lut_fr.scale =
regs.lighting.lut_scale.GetScale(regs.lighting.lut_scale.fr);
}

state.lighting.lut_d0.enable = regs.lighting.config1.disable_lut_d0 == 0;
state.lighting.lut_d0.abs_input = regs.lighting.abs_lut_input.disable_d0 == 0;
state.lighting.lut_d0.type = regs.lighting.lut_input.d0.Value();
state.lighting.lut_d0.scale = regs.lighting.lut_scale.GetScale(regs.lighting.lut_scale.d0);

state.lighting.lut_d1.enable = regs.lighting.config1.disable_lut_d1 == 0;
state.lighting.lut_d1.abs_input = regs.lighting.abs_lut_input.disable_d1 == 0;
state.lighting.lut_d1.type = regs.lighting.lut_input.d1.Value();
state.lighting.lut_d1.scale = regs.lighting.lut_scale.GetScale(regs.lighting.lut_scale.d1);

// this is a dummy field due to lack of the corresponding register
state.lighting.lut_sp.enable = true;
state.lighting.lut_sp.abs_input = regs.lighting.abs_lut_input.disable_sp == 0;
state.lighting.lut_sp.type = regs.lighting.lut_input.sp.Value();
state.lighting.lut_sp.scale = regs.lighting.lut_scale.GetScale(regs.lighting.lut_scale.sp);

state.lighting.lut_fr.enable = regs.lighting.config1.disable_lut_fr == 0;
state.lighting.lut_fr.abs_input = regs.lighting.abs_lut_input.disable_fr == 0;
state.lighting.lut_fr.type = regs.lighting.lut_input.fr.Value();
state.lighting.lut_fr.scale = regs.lighting.lut_scale.GetScale(regs.lighting.lut_scale.fr);

state.lighting.lut_rr.enable = regs.lighting.config1.disable_lut_rr == 0;
state.lighting.lut_rr.abs_input = regs.lighting.abs_lut_input.disable_rr == 0;
state.lighting.lut_rr.type = regs.lighting.lut_input.rr.Value();
state.lighting.lut_rr.scale = regs.lighting.lut_scale.GetScale(regs.lighting.lut_scale.rr);

state.lighting.lut_rg.enable = regs.lighting.config1.disable_lut_rg == 0;
state.lighting.lut_rg.abs_input = regs.lighting.abs_lut_input.disable_rg == 0;
state.lighting.lut_rg.type = regs.lighting.lut_input.rg.Value();
state.lighting.lut_rg.scale = regs.lighting.lut_scale.GetScale(regs.lighting.lut_scale.rg);

state.lighting.lut_rb.enable = regs.lighting.config1.disable_lut_rb == 0;
state.lighting.lut_rb.abs_input = regs.lighting.abs_lut_input.disable_rb == 0;
state.lighting.lut_rb.type = regs.lighting.lut_input.rb.Value();
state.lighting.lut_rb.scale = regs.lighting.lut_scale.GetScale(regs.lighting.lut_scale.rb);

state.lighting.config = regs.lighting.config0.config;
state.lighting.enable_primary_alpha = regs.lighting.config0.enable_primary_alpha;
state.lighting.enable_secondary_alpha = regs.lighting.config0.enable_secondary_alpha;
state.lighting.bump_mode = regs.lighting.config0.bump_mode;
state.lighting.bump_selector = regs.lighting.config0.bump_selector;
state.lighting.bump_renorm = regs.lighting.config0.disable_bump_renorm == 0;
state.lighting.clamp_highlights = regs.lighting.config0.clamp_highlights != 0;

state.lighting.enable_shadow = regs.lighting.config0.enable_shadow != 0;
state.lighting.shadow_primary = regs.lighting.config0.shadow_primary != 0;
state.lighting.shadow_secondary = regs.lighting.config0.shadow_secondary != 0;
state.lighting.shadow_invert = regs.lighting.config0.shadow_invert != 0;
state.lighting.shadow_alpha = regs.lighting.config0.shadow_alpha != 0;
state.lighting.shadow_selector = regs.lighting.config0.shadow_selector;
state.lighting.lut_rr.enable = regs.lighting.config1.disable_lut_rr == 0;
if (state.lighting.lut_rr.enable) {
state.lighting.lut_rr.abs_input = regs.lighting.abs_lut_input.disable_rr == 0;
state.lighting.lut_rr.type = regs.lighting.lut_input.rr.Value();
state.lighting.lut_rr.scale =
regs.lighting.lut_scale.GetScale(regs.lighting.lut_scale.rr);
}

state.lighting.lut_rg.enable = regs.lighting.config1.disable_lut_rg == 0;
if (state.lighting.lut_rg.enable) {
state.lighting.lut_rg.abs_input = regs.lighting.abs_lut_input.disable_rg == 0;
state.lighting.lut_rg.type = regs.lighting.lut_input.rg.Value();
state.lighting.lut_rg.scale =
regs.lighting.lut_scale.GetScale(regs.lighting.lut_scale.rg);
}

state.lighting.lut_rb.enable = regs.lighting.config1.disable_lut_rb == 0;
if (state.lighting.lut_rb.enable) {
state.lighting.lut_rb.abs_input = regs.lighting.abs_lut_input.disable_rb == 0;
state.lighting.lut_rb.type = regs.lighting.lut_input.rb.Value();
state.lighting.lut_rb.scale =
regs.lighting.lut_scale.GetScale(regs.lighting.lut_scale.rb);
}

state.lighting.config = regs.lighting.config0.config;
state.lighting.enable_primary_alpha = regs.lighting.config0.enable_primary_alpha;
state.lighting.enable_secondary_alpha = regs.lighting.config0.enable_secondary_alpha;
state.lighting.bump_mode = regs.lighting.config0.bump_mode;
state.lighting.bump_selector = regs.lighting.config0.bump_selector;
state.lighting.bump_renorm = regs.lighting.config0.disable_bump_renorm == 0;
state.lighting.clamp_highlights = regs.lighting.config0.clamp_highlights != 0;

state.lighting.enable_shadow = regs.lighting.config0.enable_shadow != 0;
if (state.lighting.enable_shadow) {
state.lighting.shadow_primary = regs.lighting.config0.shadow_primary != 0;
state.lighting.shadow_secondary = regs.lighting.config0.shadow_secondary != 0;
state.lighting.shadow_invert = regs.lighting.config0.shadow_invert != 0;
state.lighting.shadow_alpha = regs.lighting.config0.shadow_alpha != 0;
state.lighting.shadow_selector = regs.lighting.config0.shadow_selector;
}
}

state.proctex.enable = regs.texturing.main_config.texture3_enable;
if (state.proctex.enable) {
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