diff options
Diffstat (limited to 'src/video_core/pica.h')
-rw-r--r-- | src/video_core/pica.h | 86 |
1 files changed, 64 insertions, 22 deletions
diff --git a/src/video_core/pica.h b/src/video_core/pica.h index b67dce1a..8ad47a92 100644 --- a/src/video_core/pica.h +++ b/src/video_core/pica.h @@ -16,7 +16,7 @@ #include "common/common_types.h" #include "common/logging/log.h" -#include "math.h" +#include "math.h" namespace Pica { @@ -162,6 +162,25 @@ struct Regs { ETC1A4 = 13, // compressed }; + enum class LogicOp : u32 { + Clear = 0, + And = 1, + AndReverse = 2, + Copy = 3, + Set = 4, + CopyInverted = 5, + NoOp = 6, + Invert = 7, + Nand = 8, + Or = 9, + Nor = 10, + Xor = 11, + Equiv = 12, + AndInverted = 13, + OrReverse = 14, + OrInverted = 15, + }; + static unsigned NibblesPerPixel(TextureFormat format) { switch (format) { case TextureFormat::RGBA8: @@ -221,6 +240,7 @@ struct Regs { enum class Source : u32 { PrimaryColor = 0x0, PrimaryFragmentColor = 0x1, + SecondaryFragmentColor = 0x2, Texture0 = 0x3, Texture1 = 0x4, @@ -337,7 +357,7 @@ struct Regs { return (stage_index < 4) && (update_mask_a & (1 << stage_index)); } } tev_combiner_buffer_input; - + INSERT_PADDING_WORDS(0xf); TevStageConfig tev_stage4; INSERT_PADDING_WORDS(0x3); @@ -413,12 +433,8 @@ struct Regs { } alpha_blending; union { - enum Op { - Set = 4, - }; - - BitField<0, 4, Op> op; - } logic_op; + BitField<0, 4, LogicOp> logic_op; + }; union { BitField< 0, 8, u32> r; @@ -703,12 +719,38 @@ struct Regs { struct { // Index of the current default attribute u32 index; - + // Writing to these registers sets the "current" default attribute. u32 set_value[3]; } vs_default_attributes_setup; - - INSERT_PADDING_WORDS(0x28); + + INSERT_PADDING_WORDS(0x2); + + struct { + // There are two channels that can be used to configure the next command buffer, which + // can be then executed by writing to the "trigger" registers. There are two reasons why a + // game might use this feature: + // 1) With this, an arbitrary number of additional command buffers may be executed in + // sequence without requiring any intervention of the CPU after the initial one is + // kicked off. + // 2) Games can configure these registers to provide a command list subroutine mechanism. + + BitField< 0, 20, u32> size[2]; ///< Size (in bytes / 8) of each channel's command buffer + BitField< 0, 28, u32> addr[2]; ///< Physical address / 8 of each channel's command buffer + u32 trigger[2]; ///< Triggers execution of the channel's command buffer when written to + + unsigned GetSize(unsigned index) const { + ASSERT(index < 2); + return 8 * size[index]; + } + + PAddr GetPhysicalAddress(unsigned index) const { + ASSERT(index < 2); + return (PAddr)(8 * addr[index]); + } + } command_buffer; + + INSERT_PADDING_WORDS(0x20); enum class TriangleTopology : u32 { List = 0, @@ -861,6 +903,7 @@ struct Regs { ADD_FIELD(trigger_draw); ADD_FIELD(trigger_draw_indexed); ADD_FIELD(vs_default_attributes_setup); + ADD_FIELD(command_buffer); ADD_FIELD(triangle_topology); ADD_FIELD(vs_bool_uniforms); ADD_FIELD(vs_int_uniforms); @@ -938,6 +981,7 @@ ASSERT_REG_POSITION(num_vertices, 0x228); ASSERT_REG_POSITION(trigger_draw, 0x22e); ASSERT_REG_POSITION(trigger_draw_indexed, 0x22f); ASSERT_REG_POSITION(vs_default_attributes_setup, 0x232); +ASSERT_REG_POSITION(command_buffer, 0x238); ASSERT_REG_POSITION(triangle_topology, 0x25e); ASSERT_REG_POSITION(vs_bool_uniforms, 0x2b0); ASSERT_REG_POSITION(vs_int_uniforms, 0x2b1); @@ -1053,21 +1097,12 @@ private: float value; }; -union CommandHeader { - CommandHeader(u32 h) : hex(h) {} - - u32 hex; - - BitField< 0, 16, u32> cmd_id; - BitField<16, 4, u32> parameter_mask; - BitField<20, 11, u32> extra_data_length; - BitField<31, 1, u32> group_commands; -}; - /// Struct used to describe current Pica state struct State { + /// Pica registers Regs regs; + /// Vertex shader memory struct { struct { Math::Vec4<float24> f[96]; @@ -1080,6 +1115,13 @@ struct State { std::array<u32, 1024> program_code; std::array<u32, 1024> swizzle_data; } vs; + + /// Current Pica command list + struct { + const u32* head_ptr; + const u32* current_ptr; + u32 length; + } cmd_list; }; /// Initialize Pica state |