diff options
Diffstat (limited to 'src/video_core/pica.h')
-rw-r--r-- | src/video_core/pica.h | 124 |
1 files changed, 100 insertions, 24 deletions
diff --git a/src/video_core/pica.h b/src/video_core/pica.h index 4c3791ad9..89d97e4e9 100644 --- a/src/video_core/pica.h +++ b/src/video_core/pica.h @@ -1,5 +1,5 @@ // Copyright 2014 Citra Emulator Project -// Licensed under GPLv2 +// Licensed under GPLv2 or any later version // Refer to the license.txt file included. #pragma once @@ -8,6 +8,7 @@ #include <cstddef> #include <initializer_list> #include <map> +#include <vector> #include "common/bit_field.h" #include "common/common_types.h" @@ -104,6 +105,11 @@ struct Regs { INSERT_PADDING_WORDS(0x17); struct TextureConfig { + enum WrapMode : u32 { + ClampToEdge = 0, + Repeat = 2, + }; + INSERT_PADDING_WORDS(0x1); union { @@ -111,12 +117,17 @@ struct Regs { BitField<16, 16, u32> width; }; - INSERT_PADDING_WORDS(0x2); + union { + BitField< 8, 2, WrapMode> wrap_s; + BitField<11, 2, WrapMode> wrap_t; + }; + + INSERT_PADDING_WORDS(0x1); u32 address; u32 GetPhysicalAddress() const { - return DecodeAddressRegister(address) - Memory::FCRAM_PADDR + Memory::HEAP_LINEAR_VADDR; + return DecodeAddressRegister(address); } // texture1 and texture2 store the texture format directly after the address @@ -131,36 +142,70 @@ struct Regs { RGBA5551 = 2, RGB565 = 3, RGBA4 = 4, + IA8 = 5, + + I8 = 7, + A8 = 8, + IA4 = 9, + A4 = 11, // TODO: Support for the other formats is not implemented, yet. // Seems like they are luminance formats and compressed textures. }; - static unsigned BytesPerPixel(TextureFormat format) { + static unsigned NibblesPerPixel(TextureFormat format) { switch (format) { case TextureFormat::RGBA8: - return 4; + return 8; case TextureFormat::RGB8: - return 3; + return 6; case TextureFormat::RGBA5551: case TextureFormat::RGB565: case TextureFormat::RGBA4: - return 2; + case TextureFormat::IA8: + return 4; - default: - // placeholder for yet unknown formats + case TextureFormat::A4: return 1; + + case TextureFormat::I8: + case TextureFormat::A8: + case TextureFormat::IA4: + default: // placeholder for yet unknown formats + return 2; } } - BitField< 0, 1, u32> texturing_enable; + union { + BitField< 0, 1, u32> texture0_enable; + BitField< 1, 1, u32> texture1_enable; + BitField< 2, 1, u32> texture2_enable; + }; TextureConfig texture0; INSERT_PADDING_WORDS(0x8); BitField<0, 4, TextureFormat> texture0_format; - - INSERT_PADDING_WORDS(0x31); + INSERT_PADDING_WORDS(0x2); + TextureConfig texture1; + BitField<0, 4, TextureFormat> texture1_format; + INSERT_PADDING_WORDS(0x2); + TextureConfig texture2; + BitField<0, 4, TextureFormat> texture2_format; + INSERT_PADDING_WORDS(0x21); + + struct FullTextureConfig { + const bool enabled; + const TextureConfig config; + const TextureFormat format; + }; + const std::array<FullTextureConfig, 3> GetTextures() const { + return {{ + { texture0_enable.ToBool(), texture0, texture0_format }, + { texture1_enable.ToBool(), texture1, texture1_format }, + { texture2_enable.ToBool(), texture2, texture2_format } + }}; + } // 0xc0-0xff: Texture Combiner (akin to glTexEnv) struct TevStageConfig { @@ -282,11 +327,11 @@ struct Regs { INSERT_PADDING_WORDS(0x1); - inline u32 GetColorBufferAddress() const { - return Memory::PhysicalToVirtualAddress(DecodeAddressRegister(color_buffer_address)); + inline u32 GetColorBufferPhysicalAddress() const { + return DecodeAddressRegister(color_buffer_address); } - inline u32 GetDepthBufferAddress() const { - return Memory::PhysicalToVirtualAddress(DecodeAddressRegister(depth_buffer_address)); + inline u32 GetDepthBufferPhysicalAddress() const { + return DecodeAddressRegister(depth_buffer_address); } inline u32 GetWidth() const { @@ -310,9 +355,8 @@ struct Regs { BitField<0, 29, u32> base_address; - inline u32 GetBaseAddress() const { - // TODO: Ugly, should fix PhysicalToVirtualAddress instead - return DecodeAddressRegister(base_address) - Memory::FCRAM_PADDR + Memory::HEAP_LINEAR_VADDR; + u32 GetPhysicalBaseAddress() const { + return DecodeAddressRegister(base_address); } // Descriptor for internal vertex attributes @@ -448,7 +492,11 @@ struct Regs { BitField<8, 2, TriangleTopology> triangle_topology; - INSERT_PADDING_WORDS(0x5b); + INSERT_PADDING_WORDS(0x51); + + BitField<0, 16, u32> vs_bool_uniforms; + + INSERT_PADDING_WORDS(0x9); // Offset to shader program entry point (in words) BitField<0, 16, u32> vs_main_offset; @@ -542,11 +590,11 @@ struct Regs { static std::string GetCommandName(int index) { std::map<u32, std::string> map; - Regs regs; #define ADD_FIELD(name) \ do { \ map.insert({PICA_REG_INDEX(name), #name}); \ - for (u32 i = PICA_REG_INDEX(name) + 1; i < PICA_REG_INDEX(name) + sizeof(regs.name) / 4; ++i) \ + /* TODO: change to Regs::name when VS2015 and other compilers support it */ \ + for (u32 i = PICA_REG_INDEX(name) + 1; i < PICA_REG_INDEX(name) + sizeof(Regs().name) / 4; ++i) \ map.insert({i, #name + std::string("+") + std::to_string(i-PICA_REG_INDEX(name))}); \ } while(false) @@ -556,9 +604,13 @@ struct Regs { ADD_FIELD(viewport_depth_range); ADD_FIELD(viewport_depth_far_plane); ADD_FIELD(viewport_corner); - ADD_FIELD(texturing_enable); + ADD_FIELD(texture0_enable); ADD_FIELD(texture0); ADD_FIELD(texture0_format); + ADD_FIELD(texture1); + ADD_FIELD(texture1_format); + ADD_FIELD(texture2); + ADD_FIELD(texture2_format); ADD_FIELD(tev_stage0); ADD_FIELD(tev_stage1); ADD_FIELD(tev_stage2); @@ -572,6 +624,7 @@ struct Regs { ADD_FIELD(trigger_draw); ADD_FIELD(trigger_draw_indexed); ADD_FIELD(triangle_topology); + ADD_FIELD(vs_bool_uniforms); ADD_FIELD(vs_main_offset); ADD_FIELD(vs_input_register_map); ADD_FIELD(vs_uniform_setup); @@ -622,9 +675,13 @@ 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_enable, 0x80); ASSERT_REG_POSITION(texture0, 0x81); ASSERT_REG_POSITION(texture0_format, 0x8e); +ASSERT_REG_POSITION(texture1, 0x91); +ASSERT_REG_POSITION(texture1_format, 0x96); +ASSERT_REG_POSITION(texture2, 0x99); +ASSERT_REG_POSITION(texture2_format, 0x9e); ASSERT_REG_POSITION(tev_stage0, 0xc0); ASSERT_REG_POSITION(tev_stage1, 0xc8); ASSERT_REG_POSITION(tev_stage2, 0xd0); @@ -638,6 +695,7 @@ ASSERT_REG_POSITION(num_vertices, 0x228); ASSERT_REG_POSITION(trigger_draw, 0x22e); ASSERT_REG_POSITION(trigger_draw_indexed, 0x22f); ASSERT_REG_POSITION(triangle_topology, 0x25e); +ASSERT_REG_POSITION(vs_bool_uniforms, 0x2b0); ASSERT_REG_POSITION(vs_main_offset, 0x2ba); ASSERT_REG_POSITION(vs_input_register_map, 0x2bb); ASSERT_REG_POSITION(vs_uniform_setup, 0x2c0); @@ -719,6 +777,14 @@ struct float24 { return ToFloat32() <= flt.ToFloat32(); } + bool operator == (const float24& flt) const { + return ToFloat32() == flt.ToFloat32(); + } + + bool operator != (const float24& flt) const { + return ToFloat32() != flt.ToFloat32(); + } + private: // Stored as a regular float, merely for convenience // TODO: Perform proper arithmetic on this! @@ -736,5 +802,15 @@ union CommandHeader { BitField<31, 1, u32> group_commands; }; +// TODO: Ugly, should fix PhysicalToVirtualAddress instead +inline static u32 PAddrToVAddr(u32 addr) { + if (addr >= Memory::VRAM_PADDR && addr < Memory::VRAM_PADDR + Memory::VRAM_SIZE) { + return addr - Memory::VRAM_PADDR + Memory::VRAM_VADDR; + } else if (addr >= Memory::FCRAM_PADDR && addr < Memory::FCRAM_PADDR + Memory::FCRAM_SIZE) { + return addr - Memory::FCRAM_PADDR + Memory::HEAP_LINEAR_VADDR; + } else { + return 0; + } +} } // namespace |