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author | Yuri Kunde Schlesner <yuriks@yuriks.net> | 2017-01-28 05:16:36 +0100 |
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committer | Yuri Kunde Schlesner <yuriks@yuriks.net> | 2017-02-04 22:08:47 +0100 |
commit | 000e78144ce87d0be1749f26b9d0494d3c4ddf2f (patch) | |
tree | ab7180a99b8289dff4b2ee96f7675816e5cc0d2b /src/video_core/regs_rasterizer.h | |
parent | Merge pull request #2476 from yuriks/shader-refactor3 (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/video_core/regs_rasterizer.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/video_core/regs_rasterizer.h b/src/video_core/regs_rasterizer.h new file mode 100644 index 000000000..a471a3b38 --- /dev/null +++ b/src/video_core/regs_rasterizer.h @@ -0,0 +1,129 @@ +// 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 RasterizerRegs { + enum class CullMode : u32 { + // Select which polygons are considered to be "frontfacing". + KeepAll = 0, + KeepClockWise = 1, + KeepCounterClockWise = 2, + // TODO: What does the third value imply? + }; + + union { + BitField<0, 2, CullMode> cull_mode; + }; + + BitField<0, 24, u32> viewport_size_x; + + INSERT_PADDING_WORDS(0x1); + + BitField<0, 24, u32> viewport_size_y; + + INSERT_PADDING_WORDS(0x9); + + BitField<0, 24, u32> viewport_depth_range; // float24 + BitField<0, 24, u32> viewport_depth_near_plane; // float24 + + BitField<0, 3, u32> vs_output_total; + + union VSOutputAttributes { + // Maps components of output vertex attributes to semantics + enum Semantic : u32 { + POSITION_X = 0, + POSITION_Y = 1, + POSITION_Z = 2, + POSITION_W = 3, + + QUATERNION_X = 4, + QUATERNION_Y = 5, + QUATERNION_Z = 6, + QUATERNION_W = 7, + + COLOR_R = 8, + COLOR_G = 9, + COLOR_B = 10, + COLOR_A = 11, + + TEXCOORD0_U = 12, + TEXCOORD0_V = 13, + TEXCOORD1_U = 14, + TEXCOORD1_V = 15, + + TEXCOORD0_W = 16, + + VIEW_X = 18, + VIEW_Y = 19, + VIEW_Z = 20, + + TEXCOORD2_U = 22, + TEXCOORD2_V = 23, + + INVALID = 31, + }; + + BitField<0, 5, Semantic> map_x; + BitField<8, 5, Semantic> map_y; + BitField<16, 5, Semantic> map_z; + BitField<24, 5, Semantic> map_w; + } vs_output_attributes[7]; + + INSERT_PADDING_WORDS(0xe); + + enum class ScissorMode : u32 { + Disabled = 0, + Exclude = 1, // Exclude pixels inside the scissor box + + Include = 3 // Exclude pixels outside the scissor box + }; + + struct { + BitField<0, 2, ScissorMode> mode; + + union { + BitField<0, 16, u32> x1; + BitField<16, 16, u32> y1; + }; + + union { + BitField<0, 16, u32> x2; + BitField<16, 16, u32> y2; + }; + } scissor_test; + + union { + BitField<0, 10, s32> x; + BitField<16, 10, s32> y; + } viewport_corner; + + INSERT_PADDING_WORDS(0x1); + + // TODO: early depth + INSERT_PADDING_WORDS(0x1); + + INSERT_PADDING_WORDS(0x2); + + enum DepthBuffering : u32 { + WBuffering = 0, + ZBuffering = 1, + }; + BitField<0, 1, DepthBuffering> depthmap_enable; + + INSERT_PADDING_WORDS(0x12); +}; + +static_assert(sizeof(RasterizerRegs) == 0x40 * sizeof(u32), + "RasterizerRegs struct has incorrect size"); + +} // namespace Pica |