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-rw-r--r--src/video_core/CMakeLists.txt1
-rw-r--r--src/video_core/pica.h278
-rw-r--r--src/video_core/regs_lighting.h292
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.h8
-rw-r--r--src/video_core/renderer_opengl/gl_shader_gen.cpp72
-rw-r--r--src/video_core/renderer_opengl/pica_to_gl.h2
6 files changed, 341 insertions, 312 deletions
diff --git a/src/video_core/CMakeLists.txt b/src/video_core/CMakeLists.txt
index 718c709e5..3c6ea42be 100644
--- a/src/video_core/CMakeLists.txt
+++ b/src/video_core/CMakeLists.txt
@@ -33,6 +33,7 @@ set(HEADERS
rasterizer.h
rasterizer_interface.h
regs_framebuffer.h
+ regs_lighting.h
regs_rasterizer.h
regs_texturing.h
renderer_base.h
diff --git a/src/video_core/pica.h b/src/video_core/pica.h
index 50a549c42..371bcdb84 100644
--- a/src/video_core/pica.h
+++ b/src/video_core/pica.h
@@ -19,6 +19,7 @@
#include "common/logging/log.h"
#include "common/vector_math.h"
#include "video_core/regs_framebuffer.h"
+#include "video_core/regs_lighting.h"
#include "video_core/regs_rasterizer.h"
#include "video_core/regs_texturing.h"
@@ -53,281 +54,7 @@ struct Regs {
RasterizerRegs rasterizer;
TexturingRegs texturing;
FramebufferRegs framebuffer;
-
- enum class LightingSampler {
- Distribution0 = 0,
- Distribution1 = 1,
- Fresnel = 3,
- ReflectBlue = 4,
- ReflectGreen = 5,
- ReflectRed = 6,
- SpotlightAttenuation = 8,
- DistanceAttenuation = 16,
- };
-
- /**
- * Pica fragment lighting supports using different LUTs for each lighting component:
- * Reflectance R, G, and B channels, distribution function for specular components 0 and 1,
- * fresnel factor, and spotlight attenuation. Furthermore, which LUTs are used for each channel
- * (or whether a channel is enabled at all) is specified by various pre-defined lighting
- * configurations. With configurations that require more LUTs, more cycles are required on HW to
- * perform lighting computations.
- */
- enum class LightingConfig {
- Config0 = 0, ///< Reflect Red, Distribution 0, Spotlight
- Config1 = 1, ///< Reflect Red, Fresnel, Spotlight
- Config2 = 2, ///< Reflect Red, Distribution 0/1
- Config3 = 3, ///< Distribution 0/1, Fresnel
- Config4 = 4, ///< Reflect Red/Green/Blue, Distribution 0/1, Spotlight
- Config5 = 5, ///< Reflect Red/Green/Blue, Distribution 0, Fresnel, Spotlight
- Config6 = 6, ///< Reflect Red, Distribution 0/1, Fresnel, Spotlight
- Config7 = 8, ///< Reflect Red/Green/Blue, Distribution 0/1, Fresnel, Spotlight
- ///< NOTE: '8' is intentional, '7' does not appear to be a valid configuration
- };
-
- /// Selects which lighting components are affected by fresnel
- enum class LightingFresnelSelector {
- None = 0, ///< Fresnel is disabled
- PrimaryAlpha = 1, ///< Primary (diffuse) lighting alpha is affected by fresnel
- SecondaryAlpha = 2, ///< Secondary (specular) lighting alpha is affected by fresnel
- Both =
- PrimaryAlpha |
- SecondaryAlpha, ///< Both primary and secondary lighting alphas are affected by fresnel
- };
-
- /// Factor used to scale the output of a lighting LUT
- enum class LightingScale {
- Scale1 = 0, ///< Scale is 1x
- Scale2 = 1, ///< Scale is 2x
- Scale4 = 2, ///< Scale is 4x
- Scale8 = 3, ///< Scale is 8x
- Scale1_4 = 6, ///< Scale is 0.25x
- Scale1_2 = 7, ///< Scale is 0.5x
- };
-
- enum class LightingLutInput {
- NH = 0, // Cosine of the angle between the normal and half-angle vectors
- VH = 1, // Cosine of the angle between the view and half-angle vectors
- NV = 2, // Cosine of the angle between the normal and the view vector
- LN = 3, // Cosine of the angle between the light and the normal vectors
- };
-
- enum class LightingBumpMode : u32 {
- None = 0,
- NormalMap = 1,
- TangentMap = 2,
- };
-
- union LightColor {
- BitField<0, 10, u32> b;
- BitField<10, 10, u32> g;
- BitField<20, 10, u32> r;
-
- Math::Vec3f ToVec3f() const {
- // These fields are 10 bits wide, however 255 corresponds to 1.0f for each color
- // component
- return Math::MakeVec((f32)r / 255.f, (f32)g / 255.f, (f32)b / 255.f);
- }
- };
-
- /// Returns true if the specified lighting sampler is supported by the current Pica lighting
- /// configuration
- 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);
-
- case LightingSampler::Fresnel:
- return (config != LightingConfig::Config0) && (config != LightingConfig::Config2) &&
- (config != LightingConfig::Config4);
-
- case LightingSampler::ReflectRed:
- return (config != LightingConfig::Config3);
-
- case LightingSampler::ReflectGreen:
- case LightingSampler::ReflectBlue:
- return (config == LightingConfig::Config4) || (config == LightingConfig::Config5) ||
- (config == LightingConfig::Config7);
- default:
- UNREACHABLE_MSG("Regs::IsLightingSamplerSupported: Reached "
- "unreachable section, sampler should be one "
- "of Distribution0, Distribution1, Fresnel, "
- "ReflectRed, ReflectGreen or ReflectBlue, instead "
- "got %i",
- static_cast<int>(config));
- }
- }
-
- struct {
- struct LightSrc {
- LightColor specular_0; // material.specular_0 * light.specular_0
- LightColor specular_1; // material.specular_1 * light.specular_1
- LightColor diffuse; // material.diffuse * light.diffuse
- LightColor ambient; // material.ambient * light.ambient
-
- // Encoded as 16-bit floating point
- union {
- BitField<0, 16, u32> x;
- BitField<16, 16, u32> y;
- };
- union {
- BitField<0, 16, u32> z;
- };
-
- INSERT_PADDING_WORDS(0x3);
-
- union {
- BitField<0, 1, u32> directional;
- BitField<1, 1, u32> two_sided_diffuse; // When disabled, clamp dot-product to 0
- } config;
-
- BitField<0, 20, u32> dist_atten_bias;
- BitField<0, 20, u32> dist_atten_scale;
-
- INSERT_PADDING_WORDS(0x4);
- };
- static_assert(sizeof(LightSrc) == 0x10 * sizeof(u32),
- "LightSrc structure must be 0x10 words");
-
- LightSrc light[8];
- LightColor global_ambient; // Emission + (material.ambient * lighting.ambient)
- INSERT_PADDING_WORDS(0x1);
- BitField<0, 3, u32> max_light_index; // Number of enabled lights - 1
-
- union {
- BitField<2, 2, LightingFresnelSelector> fresnel_selector;
- BitField<4, 4, LightingConfig> config;
- BitField<22, 2, u32> bump_selector; // 0: Texture 0, 1: Texture 1, 2: Texture 2
- BitField<27, 1, u32> clamp_highlights;
- BitField<28, 2, LightingBumpMode> bump_mode;
- BitField<30, 1, u32> disable_bump_renorm;
- } config0;
-
- union {
- BitField<16, 1, u32> disable_lut_d0;
- BitField<17, 1, u32> disable_lut_d1;
- BitField<19, 1, u32> disable_lut_fr;
- BitField<20, 1, u32> disable_lut_rr;
- BitField<21, 1, u32> disable_lut_rg;
- BitField<22, 1, u32> disable_lut_rb;
-
- // Each bit specifies whether distance attenuation should be applied for the
- // corresponding light
-
- BitField<24, 1, u32> disable_dist_atten_light_0;
- BitField<25, 1, u32> disable_dist_atten_light_1;
- BitField<26, 1, u32> disable_dist_atten_light_2;
- BitField<27, 1, u32> disable_dist_atten_light_3;
- BitField<28, 1, u32> disable_dist_atten_light_4;
- BitField<29, 1, u32> disable_dist_atten_light_5;
- BitField<30, 1, u32> disable_dist_atten_light_6;
- BitField<31, 1, u32> disable_dist_atten_light_7;
- } config1;
-
- bool IsDistAttenDisabled(unsigned index) const {
- const unsigned disable[] = {
- config1.disable_dist_atten_light_0, config1.disable_dist_atten_light_1,
- config1.disable_dist_atten_light_2, config1.disable_dist_atten_light_3,
- config1.disable_dist_atten_light_4, config1.disable_dist_atten_light_5,
- config1.disable_dist_atten_light_6, config1.disable_dist_atten_light_7};
- return disable[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
- } lut_config;
-
- BitField<0, 1, u32> disable;
- INSERT_PADDING_WORDS(0x1);
-
- // When data is written to any of these registers, it gets written to the lookup table of
- // the selected type at the selected index, specified above in the `lut_config` register.
- // With each write, `lut_config.index` is incremented. It does not matter which of these
- // registers is written to, the behavior will be the same.
- u32 lut_data[8];
-
- // These are used to specify if absolute (abs) value should be used for each LUT index. When
- // abs mode is disabled, LUT indexes are in the range of (-1.0, 1.0). Otherwise, they are in
- // the range of (0.0, 1.0).
- union {
- BitField<1, 1, u32> disable_d0;
- BitField<5, 1, u32> disable_d1;
- BitField<9, 1, u32> disable_sp;
- BitField<13, 1, u32> disable_fr;
- BitField<17, 1, u32> disable_rb;
- BitField<21, 1, u32> disable_rg;
- BitField<25, 1, u32> disable_rr;
- } abs_lut_input;
-
- union {
- 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 {
- BitField<0, 3, LightingScale> d0;
- BitField<4, 3, LightingScale> d1;
- BitField<8, 3, LightingScale> sp;
- BitField<12, 3, LightingScale> fr;
- BitField<16, 3, LightingScale> rb;
- BitField<20, 3, LightingScale> rg;
- BitField<24, 3, LightingScale> rr;
-
- static float GetScale(LightingScale scale) {
- switch (scale) {
- case LightingScale::Scale1:
- return 1.0f;
- case LightingScale::Scale2:
- return 2.0f;
- case LightingScale::Scale4:
- return 4.0f;
- case LightingScale::Scale8:
- return 8.0f;
- case LightingScale::Scale1_4:
- return 0.25f;
- case LightingScale::Scale1_2:
- return 0.5f;
- }
- return 0.0f;
- }
- } lut_scale;
-
- INSERT_PADDING_WORDS(0x6);
-
- union {
- // There are 8 light enable "slots", corresponding to the total number of lights
- // supported by Pica. For N enabled lights (specified by register 0x1c2, or 'src_num'
- // above), the first N slots below will be set to integers within the range of 0-7,
- // corresponding to the actual light that is enabled for each slot.
-
- BitField<0, 3, u32> slot_0;
- BitField<4, 3, u32> slot_1;
- BitField<8, 3, u32> slot_2;
- BitField<12, 3, u32> slot_3;
- BitField<16, 3, u32> slot_4;
- BitField<20, 3, u32> slot_5;
- BitField<24, 3, u32> slot_6;
- BitField<28, 3, u32> slot_7;
-
- unsigned GetNum(unsigned index) const {
- const unsigned enable_slots[] = {slot_0, slot_1, slot_2, slot_3,
- slot_4, slot_5, slot_6, slot_7};
- return enable_slots[index];
- }
- } light_enable;
- } lighting;
-
- INSERT_PADDING_WORDS(0x26);
+ LightingRegs lighting;
enum class VertexAttributeFormat : u64 {
BYTE = 0,
@@ -702,6 +429,7 @@ ASSERT_REG_POSITION(framebuffer.output_merger, 0x100);
ASSERT_REG_POSITION(framebuffer.framebuffer, 0x110);
ASSERT_REG_POSITION(lighting, 0x140);
+
ASSERT_REG_POSITION(vertex_attributes, 0x200);
ASSERT_REG_POSITION(index_array, 0x227);
ASSERT_REG_POSITION(num_vertices, 0x228);
diff --git a/src/video_core/regs_lighting.h b/src/video_core/regs_lighting.h
new file mode 100644
index 000000000..b14500ff7
--- /dev/null
+++ b/src/video_core/regs_lighting.h
@@ -0,0 +1,292 @@
+// Copyright 2017 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+
+#include "common/bit_field.h"
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+
+namespace Pica {
+
+struct LightingRegs {
+ enum class LightingSampler {
+ Distribution0 = 0,
+ Distribution1 = 1,
+ Fresnel = 3,
+ ReflectBlue = 4,
+ ReflectGreen = 5,
+ ReflectRed = 6,
+ SpotlightAttenuation = 8,
+ DistanceAttenuation = 16,
+ };
+
+ /**
+ * Pica fragment lighting supports using different LUTs for each lighting component: Reflectance
+ * R, G, and B channels, distribution function for specular components 0 and 1, fresnel factor,
+ * and spotlight attenuation. Furthermore, which LUTs are used for each channel (or whether a
+ * channel is enabled at all) is specified by various pre-defined lighting configurations. With
+ * configurations that require more LUTs, more cycles are required on HW to perform lighting
+ * computations.
+ */
+ enum class LightingConfig {
+ Config0 = 0, ///< Reflect Red, Distribution 0, Spotlight
+ Config1 = 1, ///< Reflect Red, Fresnel, Spotlight
+ Config2 = 2, ///< Reflect Red, Distribution 0/1
+ Config3 = 3, ///< Distribution 0/1, Fresnel
+ Config4 = 4, ///< Reflect Red/Green/Blue, Distribution 0/1, Spotlight
+ Config5 = 5, ///< Reflect Red/Green/Blue, Distribution 0, Fresnel, Spotlight
+ Config6 = 6, ///< Reflect Red, Distribution 0/1, Fresnel, Spotlight
+
+ Config7 = 8, ///< Reflect Red/Green/Blue, Distribution 0/1, Fresnel, Spotlight
+ ///< NOTE: '8' is intentional, '7' does not appear to be a valid configuration
+ };
+
+ /// Selects which lighting components are affected by fresnel
+ enum class LightingFresnelSelector {
+ None = 0, ///< Fresnel is disabled
+ PrimaryAlpha = 1, ///< Primary (diffuse) lighting alpha is affected by fresnel
+ SecondaryAlpha = 2, ///< Secondary (specular) lighting alpha is affected by fresnel
+ Both =
+ PrimaryAlpha |
+ SecondaryAlpha, ///< Both primary and secondary lighting alphas are affected by fresnel
+ };
+
+ /// Factor used to scale the output of a lighting LUT
+ enum class LightingScale {
+ Scale1 = 0, ///< Scale is 1x
+ Scale2 = 1, ///< Scale is 2x
+ Scale4 = 2, ///< Scale is 4x
+ Scale8 = 3, ///< Scale is 8x
+
+ Scale1_4 = 6, ///< Scale is 0.25x
+ Scale1_2 = 7, ///< Scale is 0.5x
+ };
+
+ enum class LightingLutInput {
+ NH = 0, // Cosine of the angle between the normal and half-angle vectors
+ VH = 1, // Cosine of the angle between the view and half-angle vectors
+ NV = 2, // Cosine of the angle between the normal and the view vector
+ LN = 3, // Cosine of the angle between the light and the normal vectors
+ };
+
+ enum class LightingBumpMode : u32 {
+ None = 0,
+ NormalMap = 1,
+ TangentMap = 2,
+ };
+
+ union LightColor {
+ BitField<0, 10, u32> b;
+ BitField<10, 10, u32> g;
+ BitField<20, 10, u32> r;
+
+ Math::Vec3f ToVec3f() const {
+ // These fields are 10 bits wide, however 255 corresponds to 1.0f for each color
+ // component
+ return Math::MakeVec((f32)r / 255.f, (f32)g / 255.f, (f32)b / 255.f);
+ }
+ };
+
+ /// Returns true if the specified lighting sampler is supported by the current Pica lighting
+ /// configuration
+ 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);
+
+ case LightingSampler::Fresnel:
+ return (config != LightingConfig::Config0) && (config != LightingConfig::Config2) &&
+ (config != LightingConfig::Config4);
+
+ case LightingSampler::ReflectRed:
+ return (config != LightingConfig::Config3);
+
+ case LightingSampler::ReflectGreen:
+ case LightingSampler::ReflectBlue:
+ return (config == LightingConfig::Config4) || (config == LightingConfig::Config5) ||
+ (config == LightingConfig::Config7);
+ default:
+ UNREACHABLE_MSG("Regs::IsLightingSamplerSupported: Reached "
+ "unreachable section, sampler should be one "
+ "of Distribution0, Distribution1, Fresnel, "
+ "ReflectRed, ReflectGreen or ReflectBlue, instead "
+ "got %i",
+ static_cast<int>(config));
+ }
+ }
+
+ struct LightSrc {
+ LightColor specular_0; // material.specular_0 * light.specular_0
+ LightColor specular_1; // material.specular_1 * light.specular_1
+ LightColor diffuse; // material.diffuse * light.diffuse
+ LightColor ambient; // material.ambient * light.ambient
+
+ // Encoded as 16-bit floating point
+ union {
+ BitField<0, 16, u32> x;
+ BitField<16, 16, u32> y;
+ };
+ union {
+ BitField<0, 16, u32> z;
+ };
+
+ INSERT_PADDING_WORDS(0x3);
+
+ union {
+ BitField<0, 1, u32> directional;
+ BitField<1, 1, u32> two_sided_diffuse; // When disabled, clamp dot-product to 0
+ } config;
+
+ BitField<0, 20, u32> dist_atten_bias;
+ BitField<0, 20, u32> dist_atten_scale;
+
+ INSERT_PADDING_WORDS(0x4);
+ };
+ static_assert(sizeof(LightSrc) == 0x10 * sizeof(u32), "LightSrc structure must be 0x10 words");
+
+ LightSrc light[8];
+ LightColor global_ambient; // Emission + (material.ambient * lighting.ambient)
+ INSERT_PADDING_WORDS(0x1);
+ BitField<0, 3, u32> max_light_index; // Number of enabled lights - 1
+
+ union {
+ BitField<2, 2, LightingFresnelSelector> fresnel_selector;
+ BitField<4, 4, LightingConfig> config;
+ BitField<22, 2, u32> bump_selector; // 0: Texture 0, 1: Texture 1, 2: Texture 2
+ BitField<27, 1, u32> clamp_highlights;
+ BitField<28, 2, LightingBumpMode> bump_mode;
+ BitField<30, 1, u32> disable_bump_renorm;
+ } config0;
+
+ union {
+ BitField<16, 1, u32> disable_lut_d0;
+ BitField<17, 1, u32> disable_lut_d1;
+ BitField<19, 1, u32> disable_lut_fr;
+ BitField<20, 1, u32> disable_lut_rr;
+ BitField<21, 1, u32> disable_lut_rg;
+ BitField<22, 1, u32> disable_lut_rb;
+
+ // Each bit specifies whether distance attenuation should be applied for the corresponding
+ // light.
+ BitField<24, 1, u32> disable_dist_atten_light_0;
+ BitField<25, 1, u32> disable_dist_atten_light_1;
+ BitField<26, 1, u32> disable_dist_atten_light_2;
+ BitField<27, 1, u32> disable_dist_atten_light_3;
+ BitField<28, 1, u32> disable_dist_atten_light_4;
+ BitField<29, 1, u32> disable_dist_atten_light_5;
+ BitField<30, 1, u32> disable_dist_atten_light_6;
+ BitField<31, 1, u32> disable_dist_atten_light_7;
+ } config1;
+
+ bool IsDistAttenDisabled(unsigned index) const {
+ const unsigned disable[] = {
+ config1.disable_dist_atten_light_0, config1.disable_dist_atten_light_1,
+ config1.disable_dist_atten_light_2, config1.disable_dist_atten_light_3,
+ config1.disable_dist_atten_light_4, config1.disable_dist_atten_light_5,
+ config1.disable_dist_atten_light_6, config1.disable_dist_atten_light_7};
+ return disable[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
+ } lut_config;
+
+ BitField<0, 1, u32> disable;
+ INSERT_PADDING_WORDS(0x1);
+
+ // When data is written to any of these registers, it gets written to the lookup table of the
+ // selected type at the selected index, specified above in the `lut_config` register. With each
+ // write, `lut_config.index` is incremented. It does not matter which of these registers is
+ // written to, the behavior will be the same.
+ u32 lut_data[8];
+
+ // These are used to specify if absolute (abs) value should be used for each LUT index. When
+ // abs mode is disabled, LUT indexes are in the range of (-1.0, 1.0). Otherwise, they are in
+ // the range of (0.0, 1.0).
+ union {
+ BitField<1, 1, u32> disable_d0;
+ BitField<5, 1, u32> disable_d1;
+ BitField<9, 1, u32> disable_sp;
+ BitField<13, 1, u32> disable_fr;
+ BitField<17, 1, u32> disable_rb;
+ BitField<21, 1, u32> disable_rg;
+ BitField<25, 1, u32> disable_rr;
+ } abs_lut_input;
+
+ union {
+ 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 {
+ BitField<0, 3, LightingScale> d0;
+ BitField<4, 3, LightingScale> d1;
+ BitField<8, 3, LightingScale> sp;
+ BitField<12, 3, LightingScale> fr;
+ BitField<16, 3, LightingScale> rb;
+ BitField<20, 3, LightingScale> rg;
+ BitField<24, 3, LightingScale> rr;
+
+ static float GetScale(LightingScale scale) {
+ switch (scale) {
+ case LightingScale::Scale1:
+ return 1.0f;
+ case LightingScale::Scale2:
+ return 2.0f;
+ case LightingScale::Scale4:
+ return 4.0f;
+ case LightingScale::Scale8:
+ return 8.0f;
+ case LightingScale::Scale1_4:
+ return 0.25f;
+ case LightingScale::Scale1_2:
+ return 0.5f;
+ }
+ return 0.0f;
+ }
+ } lut_scale;
+
+ INSERT_PADDING_WORDS(0x6);
+
+ union {
+ // There are 8 light enable "slots", corresponding to the total number of lights supported
+ // by Pica. For N enabled lights (specified by register 0x1c2, or 'src_num' above), the
+ // first N slots below will be set to integers within the range of 0-7, corresponding to the
+ // actual light that is enabled for each slot.
+
+ BitField<0, 3, u32> slot_0;
+ BitField<4, 3, u32> slot_1;
+ BitField<8, 3, u32> slot_2;
+ BitField<12, 3, u32> slot_3;
+ BitField<16, 3, u32> slot_4;
+ BitField<20, 3, u32> slot_5;
+ BitField<24, 3, u32> slot_6;
+ BitField<28, 3, u32> slot_7;
+
+ unsigned GetNum(unsigned index) const {
+ const unsigned enable_slots[] = {slot_0, slot_1, slot_2, slot_3,
+ slot_4, slot_5, slot_6, slot_7};
+ return enable_slots[index];
+ }
+ } light_enable;
+
+ INSERT_PADDING_WORDS(0x26);
+};
+
+static_assert(sizeof(LightingRegs) == 0xC0 * sizeof(u32), "LightingRegs struct has incorrect size");
+
+} // namespace Pica
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h
index bfdc0c8a4..3e6850302 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer.h
@@ -192,18 +192,18 @@ union PicaShaderConfig {
bool enable;
unsigned src_num;
- Pica::Regs::LightingBumpMode bump_mode;
+ Pica::LightingRegs::LightingBumpMode bump_mode;
unsigned bump_selector;
bool bump_renorm;
bool clamp_highlights;
- Pica::Regs::LightingConfig config;
- Pica::Regs::LightingFresnelSelector fresnel_selector;
+ Pica::LightingRegs::LightingConfig config;
+ Pica::LightingRegs::LightingFresnelSelector fresnel_selector;
struct {
bool enable;
bool abs_input;
- Pica::Regs::LightingLutInput type;
+ Pica::LightingRegs::LightingLutInput type;
float scale;
} lut_d0, lut_d1, lut_fr, lut_rr, lut_rg, lut_rb;
} lighting;
diff --git a/src/video_core/renderer_opengl/gl_shader_gen.cpp b/src/video_core/renderer_opengl/gl_shader_gen.cpp
index 9c7687f62..0467cccfd 100644
--- a/src/video_core/renderer_opengl/gl_shader_gen.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_gen.cpp
@@ -14,6 +14,7 @@
using Pica::Regs;
using Pica::RasterizerRegs;
+using Pica::LightingRegs;
using TevStageConfig = Pica::TexturingRegs::TevStageConfig;
namespace GLShader {
@@ -365,7 +366,7 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) {
"vec3 refl_value = vec3(0.0);\n";
// Compute fragment normals
- if (lighting.bump_mode == Pica::Regs::LightingBumpMode::NormalMap) {
+ if (lighting.bump_mode == LightingRegs::LightingBumpMode::NormalMap) {
// Bump mapping is enabled using a normal map, read perturbation vector from the selected
// texture
std::string bump_selector = std::to_string(lighting.bump_selector);
@@ -379,7 +380,7 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) {
"(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 (lighting.bump_mode == Pica::Regs::LightingBumpMode::TangentMap) {
+ } else if (lighting.bump_mode == LightingRegs::LightingBumpMode::TangentMap) {
// Bump mapping is enabled using a tangent map
LOG_CRITICAL(HW_GPU, "unimplemented bump mapping mode (tangent mapping)");
UNIMPLEMENTED();
@@ -393,23 +394,24 @@ 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 = [&lighting](unsigned light_num, Regs::LightingLutInput input, bool abs) {
+ auto GetLutIndex = [&lighting](unsigned light_num, LightingRegs::LightingLutInput input,
+ bool abs) {
const std::string half_angle = "normalize(normalize(view) + light_vector)";
std::string index;
switch (input) {
- case Regs::LightingLutInput::NH:
+ case LightingRegs::LightingLutInput::NH:
index = "dot(normal, " + half_angle + ")";
break;
- case Regs::LightingLutInput::VH:
+ case LightingRegs::LightingLutInput::VH:
index = std::string("dot(normalize(view), " + half_angle + ")");
break;
- case Regs::LightingLutInput::NV:
+ case LightingRegs::LightingLutInput::NV:
index = std::string("dot(normal, normalize(view))");
break;
- case Regs::LightingLutInput::LN:
+ case LightingRegs::LightingLutInput::LN:
index = std::string("dot(light_vector, normal)");
break;
@@ -433,7 +435,7 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) {
};
// Gets the lighting lookup table value given the specified sampler and index
- auto GetLutValue = [](Regs::LightingSampler sampler, std::string lut_index) {
+ auto GetLutValue = [](LightingRegs::LightingSampler sampler, std::string lut_index) {
return std::string("texture(lut[" + std::to_string((unsigned)sampler / 4) + "], " +
lut_index + ")[" + std::to_string((unsigned)sampler & 3) + "]");
};
@@ -462,8 +464,8 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) {
light_src + ".position) + " + light_src + ".dist_atten_bias)";
index = "(OFFSET_256 + SCALE_256 * clamp(" + index + ", 0.0, 1.0))";
const unsigned lut_num =
- ((unsigned)Regs::LightingSampler::DistanceAttenuation + light_config.num);
- dist_atten = GetLutValue((Regs::LightingSampler)lut_num, index);
+ ((unsigned)LightingRegs::LightingSampler::DistanceAttenuation + light_config.num);
+ dist_atten = GetLutValue((LightingRegs::LightingSampler)lut_num, index);
}
// If enabled, clamp specular component if lighting result is negative
@@ -473,24 +475,24 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) {
// Specular 0 component
std::string d0_lut_value = "1.0";
if (lighting.lut_d0.enable &&
- Pica::Regs::IsLightingSamplerSupported(lighting.config,
- Pica::Regs::LightingSampler::Distribution0)) {
+ LightingRegs::IsLightingSamplerSupported(
+ lighting.config, LightingRegs::LightingSampler::Distribution0)) {
// Lookup specular "distribution 0" LUT value
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) + ")";
+ GetLutValue(LightingRegs::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 (lighting.lut_rr.enable &&
- Pica::Regs::IsLightingSamplerSupported(lighting.config,
- Pica::Regs::LightingSampler::ReflectRed)) {
+ LightingRegs::IsLightingSamplerSupported(lighting.config,
+ LightingRegs::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) + ")";
+ GetLutValue(LightingRegs::LightingSampler::ReflectRed, index) + ")";
out += "refl_value.r = " + value + ";\n";
} else {
out += "refl_value.r = 1.0;\n";
@@ -498,12 +500,13 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) {
// If enabled, lookup ReflectGreen value, otherwise, ReflectRed value is used
if (lighting.lut_rg.enable &&
- Pica::Regs::IsLightingSamplerSupported(lighting.config,
- Pica::Regs::LightingSampler::ReflectGreen)) {
+ LightingRegs::IsLightingSamplerSupported(lighting.config,
+ LightingRegs::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) + ")";
+ GetLutValue(LightingRegs::LightingSampler::ReflectGreen, index) +
+ ")";
out += "refl_value.g = " + value + ";\n";
} else {
out += "refl_value.g = refl_value.r;\n";
@@ -511,12 +514,13 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) {
// If enabled, lookup ReflectBlue value, otherwise, ReflectRed value is used
if (lighting.lut_rb.enable &&
- Pica::Regs::IsLightingSamplerSupported(lighting.config,
- Pica::Regs::LightingSampler::ReflectBlue)) {
+ LightingRegs::IsLightingSamplerSupported(lighting.config,
+ LightingRegs::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) + ")";
+ GetLutValue(LightingRegs::LightingSampler::ReflectBlue, index) +
+ ")";
out += "refl_value.b = " + value + ";\n";
} else {
out += "refl_value.b = refl_value.r;\n";
@@ -525,35 +529,39 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) {
// Specular 1 component
std::string d1_lut_value = "1.0";
if (lighting.lut_d1.enable &&
- Pica::Regs::IsLightingSamplerSupported(lighting.config,
- Pica::Regs::LightingSampler::Distribution1)) {
+ LightingRegs::IsLightingSamplerSupported(
+ lighting.config, LightingRegs::LightingSampler::Distribution1)) {
// Lookup specular "distribution 1" LUT value
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) + ")";
+ GetLutValue(LightingRegs::LightingSampler::Distribution1, index) + ")";
}
std::string specular_1 =
"(" + d1_lut_value + " * refl_value * " + light_src + ".specular_1)";
// Fresnel
- if (lighting.lut_fr.enable && Pica::Regs::IsLightingSamplerSupported(
- lighting.config, Pica::Regs::LightingSampler::Fresnel)) {
+ if (lighting.lut_fr.enable &&
+ LightingRegs::IsLightingSamplerSupported(lighting.config,
+ LightingRegs::LightingSampler::Fresnel)) {
// Lookup fresnel LUT value
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) + ")";
+ GetLutValue(LightingRegs::LightingSampler::Fresnel, index) + ")";
// Enabled for difffuse lighting alpha component
- if (lighting.fresnel_selector == Pica::Regs::LightingFresnelSelector::PrimaryAlpha ||
- lighting.fresnel_selector == Pica::Regs::LightingFresnelSelector::Both)
+ if (lighting.fresnel_selector == LightingRegs::LightingFresnelSelector::PrimaryAlpha ||
+ lighting.fresnel_selector == LightingRegs::LightingFresnelSelector::Both) {
out += "diffuse_sum.a *= " + value + ";\n";
+ }
// Enabled for the specular lighting alpha component
- if (lighting.fresnel_selector == Pica::Regs::LightingFresnelSelector::SecondaryAlpha ||
- lighting.fresnel_selector == Pica::Regs::LightingFresnelSelector::Both)
+ if (lighting.fresnel_selector ==
+ LightingRegs::LightingFresnelSelector::SecondaryAlpha ||
+ lighting.fresnel_selector == LightingRegs::LightingFresnelSelector::Both) {
out += "specular_sum.a *= " + value + ";\n";
+ }
}
// Compute primary fragment color (diffuse lighting) function
diff --git a/src/video_core/renderer_opengl/pica_to_gl.h b/src/video_core/renderer_opengl/pica_to_gl.h
index c1bf3dc24..97c044918 100644
--- a/src/video_core/renderer_opengl/pica_to_gl.h
+++ b/src/video_core/renderer_opengl/pica_to_gl.h
@@ -210,7 +210,7 @@ inline GLvec4 ColorRGBA8(const u32 color) {
}};
}
-inline std::array<GLfloat, 3> LightColor(const Pica::Regs::LightColor& color) {
+inline std::array<GLfloat, 3> LightColor(const Pica::LightingRegs::LightColor& color) {
return {{
color.r / 255.0f, color.g / 255.0f, color.b / 255.0f,
}};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 15:18:48 +0100