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author | Yuri Kunde Schlesner <yuriks@yuriks.net> | 2015-06-08 03:24:03 +0200 |
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committer | Yuri Kunde Schlesner <yuriks@yuriks.net> | 2015-06-22 01:58:55 +0200 |
commit | 3e6663da433d98a0bf4db1256ea3ccdefd404a0c (patch) | |
tree | 88dc92d21b40edc99edf6c818a9c304b7f75cb1b /src/core/hle/service/y2r_u.h | |
parent | Y2R: Re-organize how params are stored. Support SetConversionParams (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/core/hle/service/y2r_u.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/core/hle/service/y2r_u.h b/src/core/hle/service/y2r_u.h index 171aecfd1..7df47fcb9 100644 --- a/src/core/hle/service/y2r_u.h +++ b/src/core/hle/service/y2r_u.h @@ -4,6 +4,10 @@ #pragma once +#include <array> + +#include "common/common_types.h" + #include "core/hle/service/service.h" //////////////////////////////////////////////////////////////////////////////////////////////////// @@ -11,6 +15,98 @@ namespace Y2R_U { +enum class InputFormat : u8 { + /// 8-bit input, with YUV components in separate planes and 4:2:2 subsampling. + YUV422_Indiv8 = 0, + /// 8-bit input, with YUV components in separate planes and 4:2:0 subsampling. + YUV420_Indiv8 = 1, + + /// 16-bit input (only LSB used), with YUV components in separate planes and 4:2:2 subsampling. + YUV422_Indiv16 = 2, + /// 16-bit input (only LSB used), with YUV components in separate planes and 4:2:0 subsampling. + YUV420_Indiv16 = 3, + + /// 8-bit input, with a single interleaved stream in YUYV format and 4:2:2 subsampling. + YUYV422_Interleaved = 4, +}; + +enum class OutputFormat : u8 { + RGBA8 = 0, + RGB8 = 1, + RGB5A1 = 2, + RGB565 = 3, +}; + +enum class Rotation : u8 { + None = 0, + Clockwise_90 = 1, + Clockwise_180 = 2, + Clockwise_270 = 3, +}; + +enum class BlockAlignment : u8 { + /// Image is output in linear format suitable for use as a framebuffer. + Linear = 0, + /// Image is output in tiled PICA format, suitable for use as a texture. + Block8x8 = 1, +}; + +enum class StandardCoefficient : u8 { + /// ITU Rec. BT.601 primaries, with PC ranges. + ITU_Rec601 = 0, + /// ITU Rec. BT.709 primaries, with PC ranges. + ITU_Rec709 = 1, + /// ITU Rec. BT.601 primaries, with TV ranges. + ITU_Rec601_Scaling = 2, + /// ITU Rec. BT.709 primaries, with TV ranges. + ITU_Rec709_Scaling = 3, +}; + +/** + * A set of coefficients configuring the RGB to YUV conversion. Coefficients 0-4 are unsigned 2.8 + * fixed pointer numbers representing entries on the conversion matrix, while coefficient 5-7 are + * signed 11.5 fixed point numbers added as offsets to the RGB result. + * + * The overall conversion process formula is: + * ``` + * R = trunc((c_0 * Y + c_1 * V) + c_5 + 0.75) + * G = trunc((c_0 * Y - c_3 * U - c_2 * V) + c_6 + 0.75) + * B = trunc((c_0 * Y + c_4 * U ) + c_7 + 0.75) + * ``` + */ +using CoefficientSet = std::array<s16, 8>; + +struct ConversionBuffer { + /// Current reading/writing address of this buffer. + VAddr address; + /// Remaining amount of bytes to be DMAed, does not include the inter-trasfer gap. + u32 image_size; + /// Size of a single DMA transfer. + u16 transfer_unit; + /// Amount of bytes to be skipped between copying each `transfer_unit` bytes. + u16 gap; +}; + +struct ConversionConfiguration { + InputFormat input_format; + OutputFormat output_format; + Rotation rotation; + BlockAlignment block_alignment; + u16 input_line_width; + u16 input_lines; + CoefficientSet coefficients; + u16 alpha; + + /// Input parameters for the Y (luma) plane + ConversionBuffer src_Y, src_U, src_V, src_YUYV; + /// Output parameters for the conversion results + ConversionBuffer dst; + + ResultCode SetInputLineWidth(u16 width); + ResultCode SetInputLines(u16 lines); + ResultCode SetStandardCoefficient(StandardCoefficient standard_coefficient); +}; + class Interface : public Service::Interface { public: Interface(); |