diff options
| -rw-r--r-- | src/video_core/pica.h | 27 | ||||
| -rw-r--r-- | src/video_core/renderer_opengl/gl_rasterizer.h | 8 | ||||
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_gen.cpp | 17 |
3 files changed, 41 insertions, 11 deletions
diff --git a/src/video_core/pica.h b/src/video_core/pica.h index 5d27da5d1..83af6a127 100644 --- a/src/video_core/pica.h +++ b/src/video_core/pica.h @@ -713,6 +713,16 @@ struct Regs { } }; + static bool IsLightingSamplerSupported(LightingConfig config, LightingSampler sampler) { + switch (sampler) { + case LightingSampler::Distribution0: + return (config != LightingConfig::Config1); + case LightingSampler::Distribution1: + return (config != LightingConfig::Config0) && (config != LightingConfig::Config1) && (config != LightingConfig::Config5); + } + return false; + } + struct { struct LightSrc { LightColor specular_0; // material.specular_0 * light.specular_0 @@ -751,12 +761,13 @@ struct Regs { BitField<0, 3, u32> src_num; // number of enabled lights - 1 union { - BitField< 4, 4, u32> config; + BitField< 4, 4, LightingConfig> config; BitField<27, 1, u32> clamp_highlights; // 1: GL_TRUE, 0: GL_FALSE }; union { BitField<16, 1, u32> lut_enable_d0; // 0: GL_TRUE, 1: GL_FALSE + BitField<17, 1, u32> lut_enable_d1; // 0: GL_TRUE, 1: GL_FALSE // Each bit specifies whether distance attenuation should be applied for the // corresponding light @@ -804,13 +815,13 @@ struct Regs { } abs_lut_input; union { - BitField< 0, 3, u32> d0; - BitField< 4, 3, u32> d1; - BitField< 8, 3, u32> sp; - BitField<12, 3, u32> fr; - BitField<16, 3, u32> rb; - BitField<20, 3, u32> rg; - BitField<24, 3, u32> rr; + BitField< 0, 3, LightingLutInput> d0; + BitField< 4, 3, LightingLutInput> d1; + BitField< 8, 3, LightingLutInput> sp; + BitField<12, 3, LightingLutInput> fr; + BitField<16, 3, LightingLutInput> rb; + BitField<20, 3, LightingLutInput> rg; + BitField<24, 3, LightingLutInput> rr; } lut_input; union { diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h index 72ded8f22..788618ed2 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.h +++ b/src/video_core/renderer_opengl/gl_rasterizer.h @@ -91,6 +91,13 @@ struct PicaShaderConfig { res.lighting.lut_d0.abs_input = regs.lighting.abs_lut_input.d0 == 0; res.lighting.lut_d0.type = (Pica::Regs::LightingLutInput)regs.lighting.lut_input.d0.Value(); res.lighting.lut_d0.scale = regs.lighting.lut_scale.GetScale(regs.lighting.lut_scale.d0); + + res.lighting.lut_d1.enable = regs.lighting.lut_enable_d1 == 0; + res.lighting.lut_d1.abs_input = regs.lighting.abs_lut_input.d1 == 0; + res.lighting.lut_d1.type = (Pica::Regs::LightingLutInput)regs.lighting.lut_input.d1.Value(); + res.lighting.lut_d1.scale = regs.lighting.lut_scale.GetScale(regs.lighting.lut_scale.d1); + + res.lighting.config = regs.lighting.config; res.lighting.clamp_highlights = regs.lighting.clamp_highlights != 0; return res; @@ -126,6 +133,7 @@ struct PicaShaderConfig { bool enable = false; unsigned src_num = 0; bool clamp_highlights = false; + Pica::Regs::LightingConfig config = Pica::Regs::LightingConfig::Config0; struct { bool enable = false; diff --git a/src/video_core/renderer_opengl/gl_shader_gen.cpp b/src/video_core/renderer_opengl/gl_shader_gen.cpp index 9044a3813..4f8b675bf 100644 --- a/src/video_core/renderer_opengl/gl_shader_gen.cpp +++ b/src/video_core/renderer_opengl/gl_shader_gen.cpp @@ -408,15 +408,26 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) { // If enabled, clamp specular component if lighting result is negative std::string clamp_highlights = config.lighting.clamp_highlights ? "(dot(light_vector, normal) <= 0.0 ? 0.0 : 1.0)" : "1.0"; - // Lookup specular "distribution 0" LUT value + // Specular 0 component std::string d0_lut_value = "1.0"; - if (config.lighting.lut_d0.enable) { + if (config.lighting.lut_d0.enable && Pica::Regs::IsLightingSamplerSupported(config.lighting.config, Pica::Regs::LightingSampler::Distribution0)) { + // Lookup specular "distribution 0" LUT value std::string d0_lut_index = GetLutIndex(light_config.num, config.lighting.lut_d0.type, config.lighting.lut_d0.abs_input); d0_lut_value = "(" + std::to_string(config.lighting.lut_d0.scale) + " * " + GetLutValue(Regs::LightingSampler::Distribution0, d0_lut_index) + ")"; } + std::string specular_0 = "(" + d0_lut_value + " * " + light_src + ".specular_0)"; + + // Specular 1 component + std::string d1_lut_value = "1.0"; + if (config.lighting.lut_d1.enable && Pica::Regs::IsLightingSamplerSupported(config.lighting.config, Pica::Regs::LightingSampler::Distribution1)) { + // Lookup specular "distribution 1" LUT value + std::string d1_lut_index = GetLutIndex(light_config.num, config.lighting.lut_d1.type, config.lighting.lut_d1.abs_input); + d1_lut_value = "(" + std::to_string(config.lighting.lut_d1.scale) + " * " + GetLutValue(Regs::LightingSampler::Distribution1, d1_lut_index) + ")"; + } + std::string specular_1 = "(" + d1_lut_value + " * " + light_src + ".specular_1)"; // Compute secondary fragment color (specular lighting) function - out += "specular_sum += " + clamp_highlights + " * " + d0_lut_value + " * " + light_src + ".specular_0 * " + dist_atten + ";\n"; + out += "specular_sum += (" + specular_0 + " + " + specular_1 + ") * " + clamp_highlights + " * " + dist_atten + ";\n"; } // Sum final lighting result |