diff options
Diffstat (limited to 'src/video_core')
| -rw-r--r-- | src/video_core/regs_lighting.h | 2 | ||||
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_gen.cpp | 17 | ||||
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_gen.h | 2 |
3 files changed, 20 insertions, 1 deletions
diff --git a/src/video_core/regs_lighting.h b/src/video_core/regs_lighting.h index f383b8b4f..7221d1688 100644 --- a/src/video_core/regs_lighting.h +++ b/src/video_core/regs_lighting.h @@ -168,6 +168,8 @@ struct LightingRegs { union { BitField<0, 1, u32> directional; BitField<1, 1, u32> two_sided_diffuse; // When disabled, clamp dot-product to 0 + BitField<2, 1, u32> geometric_factor_0; + BitField<3, 1, u32> geometric_factor_1; } config; BitField<0, 20, u32> dist_atten_bias; diff --git a/src/video_core/renderer_opengl/gl_shader_gen.cpp b/src/video_core/renderer_opengl/gl_shader_gen.cpp index 14be1201f..04e7cb0c4 100644 --- a/src/video_core/renderer_opengl/gl_shader_gen.cpp +++ b/src/video_core/renderer_opengl/gl_shader_gen.cpp @@ -73,6 +73,8 @@ PicaShaderConfig PicaShaderConfig::BuildFromRegs(const Pica::Regs& regs) { 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 = @@ -518,7 +520,8 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) { "vec4 specular_sum = vec4(0.0, 0.0, 0.0, 1.0);\n" "vec3 light_vector = vec3(0.0);\n" "vec3 refl_value = vec3(0.0);\n" - "vec3 spot_dir = vec3(0.0);\n;"; + "vec3 spot_dir = vec3(0.0);\n" + "float geo_factor = 1.0;\n"; // Compute fragment normals and tangents const std::string pertubation = @@ -671,6 +674,12 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) { std::string clamp_highlights = lighting.clamp_highlights ? "(dot(light_vector, normal) <= 0.0 ? 0.0 : 1.0)" : "1.0"; + if (light_config.geometric_factor_0 || light_config.geometric_factor_1) { + out += "geo_factor = 1 + dot(light_vector, normalize(view));\n" + "geo_factor = geo_factor == 0.0 ? 0.0 : min(0.5 * " + + dot_product + " / geo_factor, 1.0);\n"; + } + // Specular 0 component std::string d0_lut_value = "1.0"; if (lighting.lut_d0.enable && @@ -683,6 +692,9 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) { GetLutValue(LightingRegs::LightingSampler::Distribution0, index) + ")"; } std::string specular_0 = "(" + d0_lut_value + " * " + light_src + ".specular_0)"; + if (light_config.geometric_factor_0) { + specular_0 = "(" + specular_0 + " * geo_factor)"; + } // If enabled, lookup ReflectRed value, otherwise, 1.0 is used if (lighting.lut_rr.enable && @@ -738,6 +750,9 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) { } std::string specular_1 = "(" + d1_lut_value + " * refl_value * " + light_src + ".specular_1)"; + if (light_config.geometric_factor_1) { + specular_1 = "(" + specular_1 + " * geo_factor)"; + } // Fresnel if (lighting.lut_fr.enable && diff --git a/src/video_core/renderer_opengl/gl_shader_gen.h b/src/video_core/renderer_opengl/gl_shader_gen.h index 9c90eadf9..2302ae453 100644 --- a/src/video_core/renderer_opengl/gl_shader_gen.h +++ b/src/video_core/renderer_opengl/gl_shader_gen.h @@ -94,6 +94,8 @@ union PicaShaderConfig { bool two_sided_diffuse; bool dist_atten_enable; bool spot_atten_enable; + bool geometric_factor_0; + bool geometric_factor_1; } light[8]; bool enable; |