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GPU: Add proper framebuffer register handling.

master
Tony Wasserka 2014-07-11 19:10:08 +07:00
parent bbc6f314eb
commit 0b4055c152
2 changed files with 105 additions and 11 deletions
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53
src/core/hw/gpu.cpp
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@ -84,6 +84,10 @@ const u8* GetFramebufferPointer(const u32 address) {
template <typename T>
inline void Read(T &var, const u32 addr) {
switch (addr) {
case Registers::FramebufferTopSize:
var = g_regs.top_framebuffer.size;
break;
case Registers::FramebufferTopLeft1:
var = g_regs.framebuffer_top_left_1;
break;
@ -92,6 +96,18 @@ inline void Read(T &var, const u32 addr) {
var = g_regs.framebuffer_top_left_2;
break;
case Registers::FramebufferTopFormat:
var = g_regs.top_framebuffer.format;
break;
case Registers::FramebufferTopSwapBuffers:
var = g_regs.top_framebuffer.active_fb;
break;
case Registers::FramebufferTopStride:
var = g_regs.top_framebuffer.stride;
break;
case Registers::FramebufferTopRight1:
var = g_regs.framebuffer_top_right_1;
break;
@ -100,6 +116,10 @@ inline void Read(T &var, const u32 addr) {
var = g_regs.framebuffer_top_right_2;
break;
case Registers::FramebufferSubSize:
var = g_regs.sub_framebuffer.size;
break;
case Registers::FramebufferSubLeft1:
var = g_regs.framebuffer_sub_left_1;
break;
@ -108,6 +128,26 @@ inline void Read(T &var, const u32 addr) {
var = g_regs.framebuffer_sub_right_1;
break;
case Registers::FramebufferSubFormat:
var = g_regs.sub_framebuffer.format;
break;
case Registers::FramebufferSubSwapBuffers:
var = g_regs.sub_framebuffer.active_fb;
break;
case Registers::FramebufferSubStride:
var = g_regs.sub_framebuffer.stride;
break;
case Registers::FramebufferSubLeft2:
var = g_regs.framebuffer_sub_left_2;
break;
case Registers::FramebufferSubRight2:
var = g_regs.framebuffer_sub_right_2;
break;
case Registers::DisplayInputBufferAddr:
var = g_regs.display_transfer.input_address;
break;
@ -154,6 +194,17 @@ inline void Read(T &var, const u32 addr) {
template <typename T>
inline void Write(u32 addr, const T data) {
switch (static_cast<Registers::Id>(addr)) {
// TODO: Framebuffer registers!!
case Registers::FramebufferTopSwapBuffers:
g_regs.top_framebuffer.active_fb = data;
// TODO: Not sure if this should only be done upon a change!
break;
case Registers::FramebufferSubSwapBuffers:
g_regs.sub_framebuffer.active_fb = data;
// TODO: Not sure if this should only be done upon a change!
break;
case Registers::DisplayInputBufferAddr:
g_regs.display_transfer.input_address = data;
break;
@ -195,7 +246,7 @@ inline void Write(u32 addr, const T data) {
g_regs.display_transfer.output_height * g_regs.display_transfer.output_width * 4,
g_regs.display_transfer.GetPhysicalInputAddress(), (int)g_regs.display_transfer.input_width, (int)g_regs.display_transfer.input_height,
g_regs.display_transfer.GetPhysicalOutputAddress(), (int)g_regs.display_transfer.output_width, (int)g_regs.display_transfer.output_height,
(int)g_regs.display_transfer.output_format);
(int)g_regs.display_transfer.output_format.Value());
}
break;

47
src/core/hw/gpu.h
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@ -14,12 +14,21 @@ static const u32 kFrameTicks = kFrameCycles / 3; ///< Approximate number of i
struct Registers {
enum Id : u32 {
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
@ -36,6 +45,15 @@ struct Registers {
ProcessCommandList = 0x1EF018F0,
};
enum class FramebufferFormat : u32 {
RGBA8 = 0,
RGB8 = 1,
RGB565 = 2,
RGB5A1 = 3,
RGBA4 = 4,
};
// TODO: Move these into the framebuffer struct
u32 framebuffer_top_left_1;
u32 framebuffer_top_left_2;
u32 framebuffer_top_right_1;
@ -45,6 +63,31 @@ struct Registers {
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;
@ -75,8 +118,8 @@ struct Registers {
u32 flags;
BitField< 0, 1, u32> flip_data;
BitField< 8, 3, u32> input_format;
BitField<12, 3, u32> output_format;
BitField< 8, 3, FramebufferFormat> input_format;
BitField<12, 3, FramebufferFormat> output_format;
BitField<16, 1, u32> output_tiled;
};