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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#pragma once
#include "common/common_types.h"
#include "common/bit_field.h"
namespace GPU {
static const u32 kFrameCycles = 268123480 / 60; ///< 268MHz / 60 frames per second
static const u32 kFrameTicks = kFrameCycles / 3; ///< Approximate number of instructions/frame
struct Registers {
enum Id : u32 {
MemoryFillStart1 = 0x1EF00010,
MemoryFillEnd1 = 0x1EF00014,
MemoryFillSize1 = 0x1EF00018,
MemoryFillValue1 = 0x1EF0001C,
MemoryFillStart2 = 0x1EF00020,
MemoryFillEnd2 = 0x1EF00024,
MemoryFillSize2 = 0x1EF00028,
MemoryFillValue2 = 0x1EF0002C,
FramebufferTopSize = 0x1EF0045C,
FramebufferTopLeft1 = 0x1EF00468, // Main LCD, first framebuffer for 3D left
FramebufferTopLeft2 = 0x1EF0046C, // Main LCD, second framebuffer for 3D left
FramebufferTopFormat = 0x1EF00470,
FramebufferTopSwapBuffers = 0x1EF00478,
FramebufferTopStride = 0x1EF00490, // framebuffer row stride?
FramebufferTopRight1 = 0x1EF00494, // Main LCD, first framebuffer for 3D right
FramebufferTopRight2 = 0x1EF00498, // Main LCD, second framebuffer for 3D right
FramebufferSubSize = 0x1EF0055C,
FramebufferSubLeft1 = 0x1EF00568, // Sub LCD, first framebuffer
FramebufferSubLeft2 = 0x1EF0056C, // Sub LCD, second framebuffer
FramebufferSubFormat = 0x1EF00570,
FramebufferSubSwapBuffers = 0x1EF00578,
FramebufferSubStride = 0x1EF00590, // framebuffer row stride?
FramebufferSubRight1 = 0x1EF00594, // Sub LCD, unused first framebuffer
FramebufferSubRight2 = 0x1EF00598, // Sub LCD, unused second framebuffer
DisplayInputBufferAddr = 0x1EF00C00,
DisplayOutputBufferAddr = 0x1EF00C04,
DisplayOutputBufferSize = 0x1EF00C08,
DisplayInputBufferSize = 0x1EF00C0C,
DisplayTransferFlags = 0x1EF00C10,
// Unknown??
DisplayTriggerTransfer = 0x1EF00C18,
CommandListSize = 0x1EF018E0,
CommandListAddress = 0x1EF018E8,
ProcessCommandList = 0x1EF018F0,
};
enum class FramebufferFormat : u32 {
RGBA8 = 0,
RGB8 = 1,
RGB565 = 2,
RGB5A1 = 3,
RGBA4 = 4,
};
struct MemoryFillConfig {
u32 address_start;
u32 address_end; // ?
u32 size;
u32 value; // ?
inline u32 GetStartAddress() const {
return address_start * 8;
}
inline u32 GetEndAddress() const {
return address_end * 8;
}
};
MemoryFillConfig memory_fill[2];
// TODO: Move these into the framebuffer struct
u32 framebuffer_top_left_1;
u32 framebuffer_top_left_2;
u32 framebuffer_top_right_1;
u32 framebuffer_top_right_2;
u32 framebuffer_sub_left_1;
u32 framebuffer_sub_left_2;
u32 framebuffer_sub_right_1;
u32 framebuffer_sub_right_2;
struct FrameBufferConfig {
union {
u32 size;
BitField< 0, 16, u32> width;
BitField<16, 16, u32> height;
};
union {
u32 format;
BitField< 0, 3, FramebufferFormat> color_format;
};
union {
u32 active_fb;
BitField<0, 1, u32> second_fb_active;
};
u32 stride;
};
FrameBufferConfig top_framebuffer;
FrameBufferConfig sub_framebuffer;
struct {
u32 input_address;
u32 output_address;
inline u32 GetPhysicalInputAddress() const {
return input_address * 8;
}
inline u32 GetPhysicalOutputAddress() const {
return output_address * 8;
}
union {
u32 output_size;
BitField< 0, 16, u32> output_width;
BitField<16, 16, u32> output_height;
};
union {
u32 input_size;
BitField< 0, 16, u32> input_width;
BitField<16, 16, u32> input_height;
};
union {
u32 flags;
BitField< 0, 1, u32> flip_data;
BitField< 8, 3, FramebufferFormat> input_format;
BitField<12, 3, FramebufferFormat> output_format;
BitField<16, 1, u32> output_tiled;
};
u32 unknown;
u32 trigger;
} display_transfer;
u32 command_list_size;
u32 command_list_address;
u32 command_processing_enabled;
};
extern Registers g_regs;
enum {
TOP_ASPECT_X = 0x5,
TOP_ASPECT_Y = 0x3,
TOP_HEIGHT = 240,
TOP_WIDTH = 400,
BOTTOM_WIDTH = 320,
// Physical addresses in FCRAM (chosen arbitrarily)
PADDR_TOP_LEFT_FRAME1 = 0x201D4C00,
PADDR_TOP_LEFT_FRAME2 = 0x202D4C00,
PADDR_TOP_RIGHT_FRAME1 = 0x203D4C00,
PADDR_TOP_RIGHT_FRAME2 = 0x204D4C00,
PADDR_SUB_FRAME1 = 0x205D4C00,
PADDR_SUB_FRAME2 = 0x206D4C00,
// Physical addresses in FCRAM used by ARM9 applications
/* PADDR_TOP_LEFT_FRAME1 = 0x20184E60,
PADDR_TOP_LEFT_FRAME2 = 0x201CB370,
PADDR_TOP_RIGHT_FRAME1 = 0x20282160,
PADDR_TOP_RIGHT_FRAME2 = 0x202C8670,
PADDR_SUB_FRAME1 = 0x202118E0,
PADDR_SUB_FRAME2 = 0x20249CF0,*/
// Physical addresses in VRAM
// TODO: These should just be deduced from the ones above
PADDR_VRAM_TOP_LEFT_FRAME1 = 0x181D4C00,
PADDR_VRAM_TOP_LEFT_FRAME2 = 0x182D4C00,
PADDR_VRAM_TOP_RIGHT_FRAME1 = 0x183D4C00,
PADDR_VRAM_TOP_RIGHT_FRAME2 = 0x184D4C00,
PADDR_VRAM_SUB_FRAME1 = 0x185D4C00,
PADDR_VRAM_SUB_FRAME2 = 0x186D4C00,
// Physical addresses in VRAM used by ARM9 applications
/* PADDR_VRAM_TOP_LEFT_FRAME2 = 0x181CB370,
PADDR_VRAM_TOP_RIGHT_FRAME1 = 0x18282160,
PADDR_VRAM_TOP_RIGHT_FRAME2 = 0x182C8670,
PADDR_VRAM_SUB_FRAME1 = 0x182118E0,
PADDR_VRAM_SUB_FRAME2 = 0x18249CF0,*/
};
/// Framebuffer location
enum FramebufferLocation {
FRAMEBUFFER_LOCATION_UNKNOWN, ///< Framebuffer location is unknown
FRAMEBUFFER_LOCATION_FCRAM, ///< Framebuffer is in the GSP heap
FRAMEBUFFER_LOCATION_VRAM, ///< Framebuffer is in VRAM
};
/**
* Sets whether the framebuffers are in the GSP heap (FCRAM) or VRAM
* @param
*/
void SetFramebufferLocation(const FramebufferLocation mode);
/**
* Gets a read-only pointer to a framebuffer in memory
* @param address Physical address of framebuffer
* @return Returns const pointer to raw framebuffer
*/
const u8* GetFramebufferPointer(const u32 address);
/**
* Gets the location of the framebuffers
*/
const FramebufferLocation GetFramebufferLocation();
template <typename T>
inline void Read(T &var, const u32 addr);
template <typename T>
inline void Write(u32 addr, const T data);
/// Update hardware
void Update();
/// Initialize hardware
void Init();
/// Shutdown hardware
void Shutdown();
} // namespace
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