summaryrefslogtreecommitdiffstats
path: root/src/core/hle/service/y2r_u.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/core/hle/service/y2r_u.h')
-rw-r--r--src/core/hle/service/y2r_u.h96
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();