diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h index 82fa61742a..4f9a032fb2 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.h +++ b/src/video_core/renderer_opengl/gl_rasterizer.h @@ -39,14 +39,24 @@ struct ScreenInfo; * directly accessing Pica registers. This should reduce the risk of bugs in shader generation where * Pica state is not being captured in the shader cache key, thereby resulting in (what should be) * two separate shaders sharing the same key. + * + * We use a union because "implicitly-defined copy/move constructor for a union X copies the object representation of X." + * and "implicitly-defined copy assignment operator for a union X copies the object representation (3.9) of X." + * = Bytewise copy instead of memberwise copy. + * This is important because the padding bytes are included in the hash and comparison between objects. */ -struct PicaShaderConfig { +union PicaShaderConfig { + /// Construct a PicaShaderConfig with the current Pica register configuration. static PicaShaderConfig CurrentConfig() { PicaShaderConfig res; + + auto& state = res.state; + std::memset(&state, 0, sizeof(PicaShaderConfig::State)); + const auto& regs = Pica::g_state.regs; - res.alpha_test_func = regs.output_merger.alpha_test.enable ? + state.alpha_test_func = regs.output_merger.alpha_test.enable ? regs.output_merger.alpha_test.func.Value() : Pica::Regs::CompareFunc::Always; // Copy relevant tev stages fields. @@ -56,123 +66,151 @@ struct PicaShaderConfig { DEBUG_ASSERT(res.tev_stages.size() == tev_stages.size()); for (size_t i = 0; i < tev_stages.size(); i++) { const auto& tev_stage = tev_stages[i]; - res.tev_stages[i].sources_raw = tev_stage.sources_raw; - res.tev_stages[i].modifiers_raw = tev_stage.modifiers_raw; - res.tev_stages[i].ops_raw = tev_stage.ops_raw; - res.tev_stages[i].scales_raw = tev_stage.scales_raw; + state.tev_stages[i].sources_raw = tev_stage.sources_raw; + state.tev_stages[i].modifiers_raw = tev_stage.modifiers_raw; + state.tev_stages[i].ops_raw = tev_stage.ops_raw; + state.tev_stages[i].scales_raw = tev_stage.scales_raw; } - res.combiner_buffer_input = + state.combiner_buffer_input = regs.tev_combiner_buffer_input.update_mask_rgb.Value() | regs.tev_combiner_buffer_input.update_mask_a.Value() << 4; // Fragment lighting - res.lighting.enable = !regs.lighting.disable; - res.lighting.src_num = regs.lighting.num_lights + 1; + state.lighting.enable = !regs.lighting.disable; + state.lighting.src_num = regs.lighting.num_lights + 1; - for (unsigned light_index = 0; light_index < res.lighting.src_num; ++light_index) { + 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]; - res.lighting.light[light_index].num = num; - res.lighting.light[light_index].directional = light.directional != 0; - res.lighting.light[light_index].two_sided_diffuse = light.two_sided_diffuse != 0; - res.lighting.light[light_index].dist_atten_enable = !regs.lighting.IsDistAttenDisabled(num); - res.lighting.light[light_index].dist_atten_bias = Pica::float20::FromRaw(light.dist_atten_bias).ToFloat32(); - res.lighting.light[light_index].dist_atten_scale = Pica::float20::FromRaw(light.dist_atten_scale).ToFloat32(); + state.lighting.light[light_index].num = num; + state.lighting.light[light_index].directional = light.directional != 0; + state.lighting.light[light_index].two_sided_diffuse = light.two_sided_diffuse != 0; + state.lighting.light[light_index].dist_atten_enable = !regs.lighting.IsDistAttenDisabled(num); + state.lighting.light[light_index].dist_atten_bias = Pica::float20::FromRaw(light.dist_atten_bias).ToFloat32(); + state.lighting.light[light_index].dist_atten_scale = Pica::float20::FromRaw(light.dist_atten_scale).ToFloat32(); } - res.lighting.lut_d0.enable = regs.lighting.disable_lut_d0 == 0; - res.lighting.lut_d0.abs_input = regs.lighting.abs_lut_input.disable_d0 == 0; - res.lighting.lut_d0.type = regs.lighting.lut_input.d0.Value(); - res.lighting.lut_d0.scale = regs.lighting.lut_scale.GetScale(regs.lighting.lut_scale.d0); + state.lighting.lut_d0.enable = regs.lighting.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); - res.lighting.lut_d1.enable = regs.lighting.disable_lut_d1 == 0; - res.lighting.lut_d1.abs_input = regs.lighting.abs_lut_input.disable_d1 == 0; - res.lighting.lut_d1.type = regs.lighting.lut_input.d1.Value(); - res.lighting.lut_d1.scale = regs.lighting.lut_scale.GetScale(regs.lighting.lut_scale.d1); + state.lighting.lut_d1.enable = regs.lighting.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); - res.lighting.lut_fr.enable = regs.lighting.disable_lut_fr == 0; - res.lighting.lut_fr.abs_input = regs.lighting.abs_lut_input.disable_fr == 0; - res.lighting.lut_fr.type = regs.lighting.lut_input.fr.Value(); - res.lighting.lut_fr.scale = regs.lighting.lut_scale.GetScale(regs.lighting.lut_scale.fr); + state.lighting.lut_fr.enable = regs.lighting.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); - res.lighting.lut_rr.enable = regs.lighting.disable_lut_rr == 0; - res.lighting.lut_rr.abs_input = regs.lighting.abs_lut_input.disable_rr == 0; - res.lighting.lut_rr.type = regs.lighting.lut_input.rr.Value(); - res.lighting.lut_rr.scale = regs.lighting.lut_scale.GetScale(regs.lighting.lut_scale.rr); + state.lighting.lut_rr.enable = regs.lighting.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); - res.lighting.lut_rg.enable = regs.lighting.disable_lut_rg == 0; - res.lighting.lut_rg.abs_input = regs.lighting.abs_lut_input.disable_rg == 0; - res.lighting.lut_rg.type = regs.lighting.lut_input.rg.Value(); - res.lighting.lut_rg.scale = regs.lighting.lut_scale.GetScale(regs.lighting.lut_scale.rg); + state.lighting.lut_rg.enable = regs.lighting.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); - res.lighting.lut_rb.enable = regs.lighting.disable_lut_rb == 0; - res.lighting.lut_rb.abs_input = regs.lighting.abs_lut_input.disable_rb == 0; - res.lighting.lut_rb.type = regs.lighting.lut_input.rb.Value(); - res.lighting.lut_rb.scale = regs.lighting.lut_scale.GetScale(regs.lighting.lut_scale.rb); + state.lighting.lut_rb.enable = regs.lighting.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); - res.lighting.config = regs.lighting.config; - res.lighting.fresnel_selector = regs.lighting.fresnel_selector; - res.lighting.bump_mode = regs.lighting.bump_mode; - res.lighting.bump_selector = regs.lighting.bump_selector; - res.lighting.bump_renorm = regs.lighting.disable_bump_renorm == 0; - res.lighting.clamp_highlights = regs.lighting.clamp_highlights != 0; + state.lighting.config = regs.lighting.config; + state.lighting.fresnel_selector = regs.lighting.fresnel_selector; + state.lighting.bump_mode = regs.lighting.bump_mode; + state.lighting.bump_selector = regs.lighting.bump_selector; + state.lighting.bump_renorm = regs.lighting.disable_bump_renorm == 0; + state.lighting.clamp_highlights = regs.lighting.clamp_highlights != 0; return res; } bool TevStageUpdatesCombinerBufferColor(unsigned stage_index) const { - return (stage_index < 4) && (combiner_buffer_input & (1 << stage_index)); + return (stage_index < 4) && (state.combiner_buffer_input & (1 << stage_index)); } bool TevStageUpdatesCombinerBufferAlpha(unsigned stage_index) const { - return (stage_index < 4) && ((combiner_buffer_input >> 4) & (1 << stage_index)); + return (stage_index < 4) && ((state.combiner_buffer_input >> 4) & (1 << stage_index)); } bool operator ==(const PicaShaderConfig& o) const { - return std::memcmp(this, &o, sizeof(PicaShaderConfig)) == 0; + return std::memcmp(&state, &o.state, sizeof(PicaShaderConfig::State)) == 0; }; - Pica::Regs::CompareFunc alpha_test_func = Pica::Regs::CompareFunc::Never; - std::array tev_stages = {}; - u8 combiner_buffer_input = 0; + // NOTE: MSVC15 (Update 2) doesn't think `delete`'d constructors and operators are TC. + // This makes BitField not TC when used in a union or struct so we have to resort + // to this ugly hack. + // Once that bug is fixed we can use Pica::Regs::TevStageConfig here. + // Doesn't include const_color because we don't sync it, see comment in CurrentConfig() + struct TevStageConfigRaw { + u32 sources_raw; + u32 modifiers_raw; + u32 ops_raw; + u32 scales_raw; + explicit operator Pica::Regs::TevStageConfig() const noexcept { + Pica::Regs::TevStageConfig stage; + stage.sources_raw = sources_raw; + stage.modifiers_raw = modifiers_raw; + stage.ops_raw = ops_raw; + stage.const_color = 0; + stage.scales_raw = scales_raw; + return stage; + } + }; - struct { - struct { - unsigned num = 0; - bool directional = false; - bool two_sided_diffuse = false; - bool dist_atten_enable = false; - GLfloat dist_atten_scale = 0.0f; - GLfloat dist_atten_bias = 0.0f; - } light[8]; + struct State { - bool enable = false; - unsigned src_num = 0; - Pica::Regs::LightingBumpMode bump_mode = Pica::Regs::LightingBumpMode::None; - unsigned bump_selector = 0; - bool bump_renorm = false; - bool clamp_highlights = false; - - Pica::Regs::LightingConfig config = Pica::Regs::LightingConfig::Config0; - Pica::Regs::LightingFresnelSelector fresnel_selector = Pica::Regs::LightingFresnelSelector::None; + Pica::Regs::CompareFunc alpha_test_func; + std::array tev_stages; + u8 combiner_buffer_input; struct { - bool enable = false; - bool abs_input = false; - Pica::Regs::LightingLutInput type = Pica::Regs::LightingLutInput::NH; - float scale = 1.0f; - } lut_d0, lut_d1, lut_fr, lut_rr, lut_rg, lut_rb; - } lighting; + struct { + unsigned num; + bool directional; + bool two_sided_diffuse; + bool dist_atten_enable; + GLfloat dist_atten_scale; + GLfloat dist_atten_bias; + } light[8]; + + bool enable; + unsigned src_num; + Pica::Regs::LightingBumpMode bump_mode; + unsigned bump_selector; + bool bump_renorm; + bool clamp_highlights; + + Pica::Regs::LightingConfig config; + Pica::Regs::LightingFresnelSelector fresnel_selector; + + struct { + bool enable; + bool abs_input; + Pica::Regs::LightingLutInput type; + float scale; + } lut_d0, lut_d1, lut_fr, lut_rr, lut_rg, lut_rb; + } lighting; + + } state; }; +#if (__GNUC__ >= 5) || defined(__clang__) || defined(_MSC_VER) +static_assert(std::is_trivially_copyable::value, "PicaShaderConfig::State must be trivially copyable"); +#endif namespace std { template <> struct hash { size_t operator()(const PicaShaderConfig& k) const { - return Common::ComputeHash64(&k, sizeof(PicaShaderConfig)); + return Common::ComputeHash64(&k.state, sizeof(PicaShaderConfig::State)); } }; diff --git a/src/video_core/renderer_opengl/gl_shader_gen.cpp b/src/video_core/renderer_opengl/gl_shader_gen.cpp index 9011caa392..0890adb12b 100644 --- a/src/video_core/renderer_opengl/gl_shader_gen.cpp +++ b/src/video_core/renderer_opengl/gl_shader_gen.cpp @@ -287,7 +287,7 @@ static void AppendAlphaTestCondition(std::string& out, Regs::CompareFunc func) { /// Writes the code to emulate the specified TEV stage static void WriteTevStage(std::string& out, const PicaShaderConfig& config, unsigned index) { - auto& stage = config.tev_stages[index]; + const auto stage = static_cast(config.state.tev_stages[index]); if (!IsPassThroughTevStage(stage)) { std::string index_name = std::to_string(index); @@ -331,6 +331,8 @@ static void WriteTevStage(std::string& out, const PicaShaderConfig& config, unsi /// Writes the code to emulate fragment lighting static void WriteLighting(std::string& out, const PicaShaderConfig& config) { + const auto& lighting = config.state.lighting; + // Define lighting globals out += "vec4 diffuse_sum = vec4(0.0, 0.0, 0.0, 1.0);\n" "vec4 specular_sum = vec4(0.0, 0.0, 0.0, 1.0);\n" @@ -338,17 +340,17 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) { "vec3 refl_value = vec3(0.0);\n"; // Compute fragment normals - if (config.lighting.bump_mode == Pica::Regs::LightingBumpMode::NormalMap) { + if (lighting.bump_mode == Pica::Regs::LightingBumpMode::NormalMap) { // Bump mapping is enabled using a normal map, read perturbation vector from the selected texture - std::string bump_selector = std::to_string(config.lighting.bump_selector); + std::string bump_selector = std::to_string(lighting.bump_selector); out += "vec3 surface_normal = 2.0 * texture(tex[" + bump_selector + "], texcoord[" + bump_selector + "]).rgb - 1.0;\n"; // Recompute Z-component of perturbation if 'renorm' is enabled, this provides a higher precision result - if (config.lighting.bump_renorm) { + if (lighting.bump_renorm) { std::string val = "(1.0 - (surface_normal.x*surface_normal.x + surface_normal.y*surface_normal.y))"; out += "surface_normal.z = sqrt(max(" + val + ", 0.0));\n"; } - } else if (config.lighting.bump_mode == Pica::Regs::LightingBumpMode::TangentMap) { + } else if (lighting.bump_mode == Pica::Regs::LightingBumpMode::TangentMap) { // Bump mapping is enabled using a tangent map LOG_CRITICAL(HW_GPU, "unimplemented bump mapping mode (tangent mapping)"); UNIMPLEMENTED(); @@ -361,7 +363,7 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) { out += "vec3 normal = normalize(quaternion_rotate(normquat, surface_normal));\n"; // Gets the index into the specified lookup table for specular lighting - auto GetLutIndex = [config](unsigned light_num, Regs::LightingLutInput input, bool abs) { + auto GetLutIndex = [&lighting](unsigned light_num, Regs::LightingLutInput input, bool abs) { const std::string half_angle = "normalize(normalize(view) + light_vector)"; std::string index; switch (input) { @@ -389,7 +391,7 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) { if (abs) { // LUT index is in the range of (0.0, 1.0) - index = config.lighting.light[light_num].two_sided_diffuse ? "abs(" + index + ")" : "max(" + index + ", 0.f)"; + index = lighting.light[light_num].two_sided_diffuse ? "abs(" + index + ")" : "max(" + index + ", 0.f)"; return "(FLOAT_255 * clamp(" + index + ", 0.0, 1.0))"; } else { // LUT index is in the range of (-1.0, 1.0) @@ -407,8 +409,8 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) { }; // Write the code to emulate each enabled light - for (unsigned light_index = 0; light_index < config.lighting.src_num; ++light_index) { - const auto& light_config = config.lighting.light[light_index]; + for (unsigned light_index = 0; light_index < lighting.src_num; ++light_index) { + const auto& light_config = lighting.light[light_index]; std::string light_src = "light_src[" + std::to_string(light_config.num) + "]"; // Compute light vector (directional or positional) @@ -432,39 +434,39 @@ 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"; + std::string clamp_highlights = lighting.clamp_highlights ? "(dot(light_vector, normal) <= 0.0 ? 0.0 : 1.0)" : "1.0"; // Specular 0 component std::string d0_lut_value = "1.0"; - if (config.lighting.lut_d0.enable && Pica::Regs::IsLightingSamplerSupported(config.lighting.config, Pica::Regs::LightingSampler::Distribution0)) { + if (lighting.lut_d0.enable && Pica::Regs::IsLightingSamplerSupported(lighting.config, Pica::Regs::LightingSampler::Distribution0)) { // Lookup specular "distribution 0" LUT value - std::string 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, index) + ")"; + std::string index = GetLutIndex(light_config.num, lighting.lut_d0.type, lighting.lut_d0.abs_input); + d0_lut_value = "(" + std::to_string(lighting.lut_d0.scale) + " * " + GetLutValue(Regs::LightingSampler::Distribution0, index) + ")"; } std::string specular_0 = "(" + d0_lut_value + " * " + light_src + ".specular_0)"; // If enabled, lookup ReflectRed value, otherwise, 1.0 is used - if (config.lighting.lut_rr.enable && Pica::Regs::IsLightingSamplerSupported(config.lighting.config, Pica::Regs::LightingSampler::ReflectRed)) { - std::string index = GetLutIndex(light_config.num, config.lighting.lut_rr.type, config.lighting.lut_rr.abs_input); - std::string value = "(" + std::to_string(config.lighting.lut_rr.scale) + " * " + GetLutValue(Regs::LightingSampler::ReflectRed, index) + ")"; + if (lighting.lut_rr.enable && Pica::Regs::IsLightingSamplerSupported(lighting.config, Pica::Regs::LightingSampler::ReflectRed)) { + std::string index = GetLutIndex(light_config.num, lighting.lut_rr.type, lighting.lut_rr.abs_input); + std::string value = "(" + std::to_string(lighting.lut_rr.scale) + " * " + GetLutValue(Regs::LightingSampler::ReflectRed, index) + ")"; out += "refl_value.r = " + value + ";\n"; } else { out += "refl_value.r = 1.0;\n"; } // If enabled, lookup ReflectGreen value, otherwise, ReflectRed value is used - if (config.lighting.lut_rg.enable && Pica::Regs::IsLightingSamplerSupported(config.lighting.config, Pica::Regs::LightingSampler::ReflectGreen)) { - std::string index = GetLutIndex(light_config.num, config.lighting.lut_rg.type, config.lighting.lut_rg.abs_input); - std::string value = "(" + std::to_string(config.lighting.lut_rg.scale) + " * " + GetLutValue(Regs::LightingSampler::ReflectGreen, index) + ")"; + if (lighting.lut_rg.enable && Pica::Regs::IsLightingSamplerSupported(lighting.config, Pica::Regs::LightingSampler::ReflectGreen)) { + std::string index = GetLutIndex(light_config.num, lighting.lut_rg.type, lighting.lut_rg.abs_input); + std::string value = "(" + std::to_string(lighting.lut_rg.scale) + " * " + GetLutValue(Regs::LightingSampler::ReflectGreen, index) + ")"; out += "refl_value.g = " + value + ";\n"; } else { out += "refl_value.g = refl_value.r;\n"; } // If enabled, lookup ReflectBlue value, otherwise, ReflectRed value is used - if (config.lighting.lut_rb.enable && Pica::Regs::IsLightingSamplerSupported(config.lighting.config, Pica::Regs::LightingSampler::ReflectBlue)) { - std::string index = GetLutIndex(light_config.num, config.lighting.lut_rb.type, config.lighting.lut_rb.abs_input); - std::string value = "(" + std::to_string(config.lighting.lut_rb.scale) + " * " + GetLutValue(Regs::LightingSampler::ReflectBlue, index) + ")"; + if (lighting.lut_rb.enable && Pica::Regs::IsLightingSamplerSupported(lighting.config, Pica::Regs::LightingSampler::ReflectBlue)) { + std::string index = GetLutIndex(light_config.num, lighting.lut_rb.type, lighting.lut_rb.abs_input); + std::string value = "(" + std::to_string(lighting.lut_rb.scale) + " * " + GetLutValue(Regs::LightingSampler::ReflectBlue, index) + ")"; out += "refl_value.b = " + value + ";\n"; } else { out += "refl_value.b = refl_value.r;\n"; @@ -472,27 +474,27 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) { // 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)) { + if (lighting.lut_d1.enable && Pica::Regs::IsLightingSamplerSupported(lighting.config, Pica::Regs::LightingSampler::Distribution1)) { // Lookup specular "distribution 1" LUT value - std::string 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, index) + ")"; + std::string index = GetLutIndex(light_config.num, lighting.lut_d1.type, lighting.lut_d1.abs_input); + d1_lut_value = "(" + std::to_string(lighting.lut_d1.scale) + " * " + GetLutValue(Regs::LightingSampler::Distribution1, index) + ")"; } std::string specular_1 = "(" + d1_lut_value + " * refl_value * " + light_src + ".specular_1)"; // Fresnel - if (config.lighting.lut_fr.enable && Pica::Regs::IsLightingSamplerSupported(config.lighting.config, Pica::Regs::LightingSampler::Fresnel)) { + if (lighting.lut_fr.enable && Pica::Regs::IsLightingSamplerSupported(lighting.config, Pica::Regs::LightingSampler::Fresnel)) { // Lookup fresnel LUT value - std::string index = GetLutIndex(light_config.num, config.lighting.lut_fr.type, config.lighting.lut_fr.abs_input); - std::string value = "(" + std::to_string(config.lighting.lut_fr.scale) + " * " + GetLutValue(Regs::LightingSampler::Fresnel, index) + ")"; + std::string index = GetLutIndex(light_config.num, lighting.lut_fr.type, lighting.lut_fr.abs_input); + std::string value = "(" + std::to_string(lighting.lut_fr.scale) + " * " + GetLutValue(Regs::LightingSampler::Fresnel, index) + ")"; // Enabled for difffuse lighting alpha component - if (config.lighting.fresnel_selector == Pica::Regs::LightingFresnelSelector::PrimaryAlpha || - config.lighting.fresnel_selector == Pica::Regs::LightingFresnelSelector::Both) + if (lighting.fresnel_selector == Pica::Regs::LightingFresnelSelector::PrimaryAlpha || + lighting.fresnel_selector == Pica::Regs::LightingFresnelSelector::Both) out += "diffuse_sum.a *= " + value + ";\n"; // Enabled for the specular lighting alpha component - if (config.lighting.fresnel_selector == Pica::Regs::LightingFresnelSelector::SecondaryAlpha || - config.lighting.fresnel_selector == Pica::Regs::LightingFresnelSelector::Both) + if (lighting.fresnel_selector == Pica::Regs::LightingFresnelSelector::SecondaryAlpha || + lighting.fresnel_selector == Pica::Regs::LightingFresnelSelector::Both) out += "specular_sum.a *= " + value + ";\n"; } @@ -510,6 +512,8 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) { } std::string GenerateFragmentShader(const PicaShaderConfig& config) { + const auto& state = config.state; + std::string out = R"( #version 330 core #define NUM_TEV_STAGES 6 @@ -555,24 +559,24 @@ vec4 secondary_fragment_color = vec4(0.0); )"; // Do not do any sort of processing if it's obvious we're not going to pass the alpha test - if (config.alpha_test_func == Regs::CompareFunc::Never) { + if (state.alpha_test_func == Regs::CompareFunc::Never) { out += "discard; }"; return out; } - if (config.lighting.enable) + if (state.lighting.enable) WriteLighting(out, config); out += "vec4 combiner_buffer = vec4(0.0);\n"; out += "vec4 next_combiner_buffer = tev_combiner_buffer_color;\n"; out += "vec4 last_tex_env_out = vec4(0.0);\n"; - for (size_t index = 0; index < config.tev_stages.size(); ++index) + for (size_t index = 0; index < state.tev_stages.size(); ++index) WriteTevStage(out, config, (unsigned)index); - if (config.alpha_test_func != Regs::CompareFunc::Always) { + if (state.alpha_test_func != Regs::CompareFunc::Always) { out += "if ("; - AppendAlphaTestCondition(out, config.alpha_test_func); + AppendAlphaTestCondition(out, state.alpha_test_func); out += ") discard;\n"; } diff --git a/src/video_core/renderer_opengl/gl_shader_gen.h b/src/video_core/renderer_opengl/gl_shader_gen.h index 3eb07d57a0..bef3249cf9 100644 --- a/src/video_core/renderer_opengl/gl_shader_gen.h +++ b/src/video_core/renderer_opengl/gl_shader_gen.h @@ -6,7 +6,7 @@ #include -struct PicaShaderConfig; +union PicaShaderConfig; namespace GLShader {