diff options
Diffstat (limited to 'src/video_core/pica.h')
| -rw-r--r-- | src/video_core/pica.h | 153 |
1 files changed, 151 insertions, 2 deletions
diff --git a/src/video_core/pica.h b/src/video_core/pica.h index 64083014..cfdc9b93 100644 --- a/src/video_core/pica.h +++ b/src/video_core/pica.h @@ -4,6 +4,7 @@ #pragma once +#include <array> #include <cstddef> #include <initializer_list> #include <map> @@ -57,7 +58,7 @@ struct Regs { INSERT_PADDING_WORDS(0x1); - union { + union VSOutputAttributes { // Maps components of output vertex attributes to semantics enum Semantic : u32 { @@ -94,7 +95,137 @@ struct Regs { BitField<16, 16, u32> y; } viewport_corner; - INSERT_PADDING_WORDS(0xa7); + INSERT_PADDING_WORDS(0x17); + + struct TextureConfig { + INSERT_PADDING_WORDS(0x1); + + union { + BitField< 0, 16, u32> height; + BitField<16, 16, u32> width; + }; + + INSERT_PADDING_WORDS(0x2); + + u32 address; + + u32 GetPhysicalAddress() { + return DecodeAddressRegister(address) - Memory::FCRAM_PADDR + Memory::HEAP_GSP_VADDR; + } + + // texture1 and texture2 store the texture format directly after the address + // whereas texture0 inserts some additional flags inbetween. + // Hence, we store the format separately so that all other parameters can be described + // in a single structure. + }; + + enum class TextureFormat : u32 { + RGBA8 = 0, + RGB8 = 1, + RGBA5551 = 2, + RGB565 = 3, + RGBA4 = 4, + + // TODO: Support for the other formats is not implemented, yet. + // Seems like they are luminance formats and compressed textures. + }; + + BitField<0, 1, u32> texturing_enable; + TextureConfig texture0; + INSERT_PADDING_WORDS(0x8); + BitField<0, 4, TextureFormat> texture0_format; + + INSERT_PADDING_WORDS(0x31); + + // 0xc0-0xff: Texture Combiner (akin to glTexEnv) + struct TevStageConfig { + enum class Source : u32 { + PrimaryColor = 0x0, + Texture0 = 0x3, + Texture1 = 0x4, + Texture2 = 0x5, + Texture3 = 0x6, + // 0x7-0xc = primary color?? + Constant = 0xe, + Previous = 0xf, + }; + + enum class ColorModifier : u32 { + SourceColor = 0, + OneMinusSourceColor = 1, + SourceAlpha = 2, + OneMinusSourceAlpha = 3, + + // Other values seem to be non-standard extensions + }; + + enum class AlphaModifier : u32 { + SourceAlpha = 0, + OneMinusSourceAlpha = 1, + + // Other values seem to be non-standard extensions + }; + + enum class Operation : u32 { + Replace = 0, + Modulate = 1, + Add = 2, + AddSigned = 3, + Lerp = 4, + Subtract = 5, + }; + + union { + BitField< 0, 4, Source> color_source1; + BitField< 4, 4, Source> color_source2; + BitField< 8, 4, Source> color_source3; + BitField<16, 4, Source> alpha_source1; + BitField<20, 4, Source> alpha_source2; + BitField<24, 4, Source> alpha_source3; + }; + + union { + BitField< 0, 4, ColorModifier> color_modifier1; + BitField< 4, 4, ColorModifier> color_modifier2; + BitField< 8, 4, ColorModifier> color_modifier3; + BitField<12, 3, AlphaModifier> alpha_modifier1; + BitField<16, 3, AlphaModifier> alpha_modifier2; + BitField<20, 3, AlphaModifier> alpha_modifier3; + }; + + union { + BitField< 0, 4, Operation> color_op; + BitField<16, 4, Operation> alpha_op; + }; + + union { + BitField< 0, 8, u32> const_r; + BitField< 8, 8, u32> const_g; + BitField<16, 8, u32> const_b; + BitField<24, 8, u32> const_a; + }; + + INSERT_PADDING_WORDS(0x1); + }; + + TevStageConfig tev_stage0; + INSERT_PADDING_WORDS(0x3); + TevStageConfig tev_stage1; + INSERT_PADDING_WORDS(0x3); + TevStageConfig tev_stage2; + INSERT_PADDING_WORDS(0x3); + TevStageConfig tev_stage3; + INSERT_PADDING_WORDS(0x13); + TevStageConfig tev_stage4; + INSERT_PADDING_WORDS(0x3); + TevStageConfig tev_stage5; + INSERT_PADDING_WORDS(0x13); + + const std::array<Regs::TevStageConfig,6> GetTevStages() const { + return { tev_stage0, tev_stage1, + tev_stage2, tev_stage3, + tev_stage4, tev_stage5 }; + }; struct { enum ColorFormat : u32 { @@ -403,6 +534,15 @@ struct Regs { ADD_FIELD(viewport_depth_range); ADD_FIELD(viewport_depth_far_plane); ADD_FIELD(viewport_corner); + ADD_FIELD(texturing_enable); + ADD_FIELD(texture0); + ADD_FIELD(texture0_format); + ADD_FIELD(tev_stage0); + ADD_FIELD(tev_stage1); + ADD_FIELD(tev_stage2); + ADD_FIELD(tev_stage3); + ADD_FIELD(tev_stage4); + ADD_FIELD(tev_stage5); ADD_FIELD(framebuffer); ADD_FIELD(vertex_attributes); ADD_FIELD(index_array); @@ -460,6 +600,15 @@ ASSERT_REG_POSITION(viewport_depth_far_plane, 0x4e); ASSERT_REG_POSITION(vs_output_attributes[0], 0x50); ASSERT_REG_POSITION(vs_output_attributes[1], 0x51); ASSERT_REG_POSITION(viewport_corner, 0x68); +ASSERT_REG_POSITION(texturing_enable, 0x80); +ASSERT_REG_POSITION(texture0, 0x81); +ASSERT_REG_POSITION(texture0_format, 0x8e); +ASSERT_REG_POSITION(tev_stage0, 0xc0); +ASSERT_REG_POSITION(tev_stage1, 0xc8); +ASSERT_REG_POSITION(tev_stage2, 0xd0); +ASSERT_REG_POSITION(tev_stage3, 0xd8); +ASSERT_REG_POSITION(tev_stage4, 0xf0); +ASSERT_REG_POSITION(tev_stage5, 0xf8); ASSERT_REG_POSITION(framebuffer, 0x110); ASSERT_REG_POSITION(vertex_attributes, 0x200); ASSERT_REG_POSITION(index_array, 0x227); |