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RegisterSet: Simplify code by using structs for register definition instead of unions.

This commit is contained in:
Tony Wasserka 2014-07-16 11:27:58 +02:00
parent 75775e9ef4
commit 246cb75584
4 changed files with 137 additions and 145 deletions
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10
src/common/register_set.h
View File

@ -34,7 +34,7 @@
/* /*
* Standardized way to define a group of registers and corresponding data structures. To define * Standardized way to define a group of registers and corresponding data structures. To define
* a new register set, first define struct containing an enumeration called "Id" containing * a new register set, first define struct containing an enumeration called "Id" containing
* all register IDs and a template union called "Struct". Specialize the Struct union for any * all register IDs and a template struct called "Struct". Specialize the Struct struct for any
* register ID which needs to be accessed in a specialized way. You can then declare the object * register ID which needs to be accessed in a specialized way. You can then declare the object
* containing all register values using the RegisterSet<BaseType, DefiningStruct> type, where * containing all register values using the RegisterSet<BaseType, DefiningStruct> type, where
* BaseType is the underlying type of each register (e.g. u32). * BaseType is the underlying type of each register (e.g. u32).
@ -54,7 +54,7 @@
* *
* // declare register definition structures * // declare register definition structures
* template<Id id> * template<Id id>
* union Struct; * struct Struct;
* }; * };
* *
* // Define register set object * // Define register set object
@ -62,10 +62,12 @@
* *
* // define register definition structures * // define register definition structures
* template<> * template<>
* union Regs::Struct<Regs::Value1> { * struct Regs::Struct<Regs::Value1> {
* union {
* BitField<0, 4, u32> some_field; * BitField<0, 4, u32> some_field;
* BitField<4, 3, u32> some_other_field; * BitField<4, 3, u32> some_other_field;
* }; * };
* };
* *
* Usage in external code (within SomeNamespace scope): * Usage in external code (within SomeNamespace scope):
* *
@ -77,7 +79,7 @@
* *
* *
* @tparam BaseType Base type used for storing individual registers, e.g. u32 * @tparam BaseType Base type used for storing individual registers, e.g. u32
* @tparam RegDefinition Class defining an enumeration called "Id" and a template<Id id> union, as described above. * @tparam RegDefinition Class defining an enumeration called "Id" and a template<Id id> struct, as described above.
* @note RegDefinition::Id needs to have an enum value called NumIds defining the number of registers to be allocated. * @note RegDefinition::Id needs to have an enum value called NumIds defining the number of registers to be allocated.
*/ */
template<typename BaseType, typename RegDefinition> template<typename BaseType, typename RegDefinition>

100
src/core/hw/gpu.cpp
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@ -30,14 +30,14 @@ void SetFramebufferLocation(const FramebufferLocation mode) {
auto& framebuffer_top = g_regs.Get<Regs::FramebufferTop>(); auto& framebuffer_top = g_regs.Get<Regs::FramebufferTop>();
auto& framebuffer_sub = g_regs.Get<Regs::FramebufferBottom>(); auto& framebuffer_sub = g_regs.Get<Regs::FramebufferBottom>();
framebuffer_top.data.address_left1 = PADDR_TOP_LEFT_FRAME1; framebuffer_top.address_left1 = PADDR_TOP_LEFT_FRAME1;
framebuffer_top.data.address_left2 = PADDR_TOP_LEFT_FRAME2; framebuffer_top.address_left2 = PADDR_TOP_LEFT_FRAME2;
framebuffer_top.data.address_right1 = PADDR_TOP_RIGHT_FRAME1; framebuffer_top.address_right1 = PADDR_TOP_RIGHT_FRAME1;
framebuffer_top.data.address_right2 = PADDR_TOP_RIGHT_FRAME2; framebuffer_top.address_right2 = PADDR_TOP_RIGHT_FRAME2;
framebuffer_sub.data.address_left1 = PADDR_SUB_FRAME1; framebuffer_sub.address_left1 = PADDR_SUB_FRAME1;
//framebuffer_sub.data.address_left2 = unknown; //framebuffer_sub.address_left2 = unknown;
framebuffer_sub.data.address_right1 = PADDR_SUB_FRAME2; framebuffer_sub.address_right1 = PADDR_SUB_FRAME2;
//framebuffer_sub.data.address_right2 = unknown; //framebuffer_sub.address_right2 = unknown;
break; break;
} }
@ -46,14 +46,14 @@ void SetFramebufferLocation(const FramebufferLocation mode) {
auto& framebuffer_top = g_regs.Get<Regs::FramebufferTop>(); auto& framebuffer_top = g_regs.Get<Regs::FramebufferTop>();
auto& framebuffer_sub = g_regs.Get<Regs::FramebufferBottom>(); auto& framebuffer_sub = g_regs.Get<Regs::FramebufferBottom>();
framebuffer_top.data.address_left1 = PADDR_VRAM_TOP_LEFT_FRAME1; framebuffer_top.address_left1 = PADDR_VRAM_TOP_LEFT_FRAME1;
framebuffer_top.data.address_left2 = PADDR_VRAM_TOP_LEFT_FRAME2; framebuffer_top.address_left2 = PADDR_VRAM_TOP_LEFT_FRAME2;
framebuffer_top.data.address_right1 = PADDR_VRAM_TOP_RIGHT_FRAME1; framebuffer_top.address_right1 = PADDR_VRAM_TOP_RIGHT_FRAME1;
framebuffer_top.data.address_right2 = PADDR_VRAM_TOP_RIGHT_FRAME2; framebuffer_top.address_right2 = PADDR_VRAM_TOP_RIGHT_FRAME2;
framebuffer_sub.data.address_left1 = PADDR_VRAM_SUB_FRAME1; framebuffer_sub.address_left1 = PADDR_VRAM_SUB_FRAME1;
//framebuffer_sub.data.address_left2 = unknown; //framebuffer_sub.address_left2 = unknown;
framebuffer_sub.data.address_right1 = PADDR_VRAM_SUB_FRAME2; framebuffer_sub.address_right1 = PADDR_VRAM_SUB_FRAME2;
//framebuffer_sub.data.address_right2 = unknown; //framebuffer_sub.address_right2 = unknown;
break; break;
} }
} }
@ -135,14 +135,14 @@ inline void Write(u32 addr, const T data) {
const auto& config = g_regs.Get<Regs::MemoryFill>(static_cast<Regs::Id>(index - 3)); const auto& config = g_regs.Get<Regs::MemoryFill>(static_cast<Regs::Id>(index - 3));
// TODO: Not sure if this check should be done at GSP level instead // TODO: Not sure if this check should be done at GSP level instead
if (config.data.address_start) { if (config.address_start) {
// TODO: Not sure if this algorithm is correct, particularly because it doesn't use the size member at all // TODO: Not sure if this algorithm is correct, particularly because it doesn't use the size member at all
u32* start = (u32*)Memory::GetPointer(config.data.GetStartAddress()); u32* start = (u32*)Memory::GetPointer(config.GetStartAddress());
u32* end = (u32*)Memory::GetPointer(config.data.GetEndAddress()); u32* end = (u32*)Memory::GetPointer(config.GetEndAddress());
for (u32* ptr = start; ptr < end; ++ptr) for (u32* ptr = start; ptr < end; ++ptr)
*ptr = bswap32(config.data.value); // TODO: This is just a workaround to missing framebuffer format emulation *ptr = bswap32(config.value); // TODO: This is just a workaround to missing framebuffer format emulation
DEBUG_LOG(GPU, "MemoryFill from %x to %x", config.data.GetStartAddress(), config.data.GetEndAddress()); DEBUG_LOG(GPU, "MemoryFill from %x to %x", config.GetStartAddress(), config.GetEndAddress());
} }
break; break;
} }
@ -150,20 +150,20 @@ inline void Write(u32 addr, const T data) {
case Regs::DisplayTransfer + 6: case Regs::DisplayTransfer + 6:
{ {
const auto& config = g_regs.Get<Regs::DisplayTransfer>(); const auto& config = g_regs.Get<Regs::DisplayTransfer>();
if (config.data.trigger & 1) { if (config.trigger & 1) {
u8* source_pointer = Memory::GetPointer(config.data.GetPhysicalInputAddress()); u8* source_pointer = Memory::GetPointer(config.GetPhysicalInputAddress());
u8* dest_pointer = Memory::GetPointer(config.data.GetPhysicalOutputAddress()); u8* dest_pointer = Memory::GetPointer(config.GetPhysicalOutputAddress());
for (int y = 0; y < config.data.output_height; ++y) { for (int y = 0; y < config.output_height; ++y) {
// TODO: Why does the register seem to hold twice the framebuffer width? // TODO: Why does the register seem to hold twice the framebuffer width?
for (int x = 0; x < config.data.output_width / 2; ++x) { for (int x = 0; x < config.output_width / 2; ++x) {
int source[4] = { 0, 0, 0, 0}; // rgba; int source[4] = { 0, 0, 0, 0}; // rgba;
switch (config.data.input_format) { switch (config.input_format) {
case Regs::FramebufferFormat::RGBA8: case Regs::FramebufferFormat::RGBA8:
{ {
// TODO: Most likely got the component order messed up. // TODO: Most likely got the component order messed up.
u8* srcptr = source_pointer + x * 4 + y * config.data.input_width * 4 / 2; u8* srcptr = source_pointer + x * 4 + y * config.input_width * 4 / 2;
source[0] = srcptr[0]; // blue source[0] = srcptr[0]; // blue
source[1] = srcptr[1]; // green source[1] = srcptr[1]; // green
source[2] = srcptr[2]; // red source[2] = srcptr[2]; // red
@ -172,15 +172,15 @@ inline void Write(u32 addr, const T data) {
} }
default: default:
ERROR_LOG(GPU, "Unknown source framebuffer format %x", config.data.input_format.Value()); ERROR_LOG(GPU, "Unknown source framebuffer format %x", config.input_format.Value());
break; break;
} }
switch (config.data.output_format) { switch (config.output_format) {
/*case Regs::FramebufferFormat::RGBA8: /*case Regs::FramebufferFormat::RGBA8:
{ {
// TODO: Untested // TODO: Untested
u8* dstptr = (u32*)(dest_pointer + x * 4 + y * config.data.output_width * 4); u8* dstptr = (u32*)(dest_pointer + x * 4 + y * config.output_width * 4);
dstptr[0] = source[0]; dstptr[0] = source[0];
dstptr[1] = source[1]; dstptr[1] = source[1];
dstptr[2] = source[2]; dstptr[2] = source[2];
@ -190,7 +190,7 @@ inline void Write(u32 addr, const T data) {
case Regs::FramebufferFormat::RGB8: case Regs::FramebufferFormat::RGB8:
{ {
u8* dstptr = dest_pointer + x * 3 + y * config.data.output_width * 3 / 2; u8* dstptr = dest_pointer + x * 3 + y * config.output_width * 3 / 2;
dstptr[0] = source[0]; // blue dstptr[0] = source[0]; // blue
dstptr[1] = source[1]; // green dstptr[1] = source[1]; // green
dstptr[2] = source[2]; // red dstptr[2] = source[2]; // red
@ -198,17 +198,17 @@ inline void Write(u32 addr, const T data) {
} }
default: default:
ERROR_LOG(GPU, "Unknown destination framebuffer format %x", config.data.output_format.Value()); ERROR_LOG(GPU, "Unknown destination framebuffer format %x", config.output_format.Value());
break; break;
} }
} }
} }
DEBUG_LOG(GPU, "DisplayTriggerTransfer: %x bytes from %x(%xx%x)-> %x(%xx%x), dst format %x", DEBUG_LOG(GPU, "DisplayTriggerTransfer: %x bytes from %x(%xx%x)-> %x(%xx%x), dst format %x",
config.data.output_height * config.data.output_width * 4, config.output_height * config.output_width * 4,
config.data.GetPhysicalInputAddress(), (int)config.data.input_width, (int)config.data.input_height, config.GetPhysicalInputAddress(), (int)config.input_width, (int)config.input_height,
config.data.GetPhysicalOutputAddress(), (int)config.data.output_width, (int)config.data.output_height, config.GetPhysicalOutputAddress(), (int)config.output_width, (int)config.output_height,
config.data.output_format.Value()); config.output_format.Value());
} }
break; break;
} }
@ -216,10 +216,10 @@ inline void Write(u32 addr, const T data) {
case Regs::CommandProcessor + 4: case Regs::CommandProcessor + 4:
{ {
const auto& config = g_regs.Get<Regs::CommandProcessor>(); const auto& config = g_regs.Get<Regs::CommandProcessor>();
if (config.data.trigger & 1) if (config.trigger & 1)
{ {
// u32* buffer = (u32*)Memory::GetPointer(config.data.address << 3); // u32* buffer = (u32*)Memory::GetPointer(config.address << 3);
ERROR_LOG(GPU, "Beginning %x bytes of commands from address %x", config.data.size, config.data.address << 3); ERROR_LOG(GPU, "Beginning %x bytes of commands from address %x", config.size, config.address << 3);
// TODO: Process command list! // TODO: Process command list!
} }
break; break;
@ -263,17 +263,17 @@ void Init() {
auto& framebuffer_top = g_regs.Get<Regs::FramebufferTop>(); auto& framebuffer_top = g_regs.Get<Regs::FramebufferTop>();
auto& framebuffer_sub = g_regs.Get<Regs::FramebufferBottom>(); auto& framebuffer_sub = g_regs.Get<Regs::FramebufferBottom>();
// TODO: Width should be 240 instead? // TODO: Width should be 240 instead?
framebuffer_top.data.width = 480; framebuffer_top.width = 480;
framebuffer_top.data.height = 400; framebuffer_top.height = 400;
framebuffer_top.data.stride = 480*3; framebuffer_top.stride = 480*3;
framebuffer_top.data.color_format = Regs::FramebufferFormat::RGB8; framebuffer_top.color_format = Regs::FramebufferFormat::RGB8;
framebuffer_top.data.active_fb = 0; framebuffer_top.active_fb = 0;
framebuffer_sub.data.width = 480; framebuffer_sub.width = 480;
framebuffer_sub.data.height = 400; framebuffer_sub.height = 400;
framebuffer_sub.data.stride = 480*3; framebuffer_sub.stride = 480*3;
framebuffer_sub.data.color_format = Regs::FramebufferFormat::RGB8; framebuffer_sub.color_format = Regs::FramebufferFormat::RGB8;
framebuffer_sub.data.active_fb = 0; framebuffer_sub.active_fb = 0;
NOTICE_LOG(GPU, "initialized OK"); NOTICE_LOG(GPU, "initialized OK");
} }

24
src/core/hw/gpu.h
View File

@ -29,7 +29,7 @@ struct Regs {
}; };
template<Id id> template<Id id>
union Struct; struct Struct;
enum class FramebufferFormat : u32 { enum class FramebufferFormat : u32 {
RGBA8 = 0, RGBA8 = 0,
@ -38,12 +38,10 @@ struct Regs {
RGB5A1 = 3, RGB5A1 = 3,
RGBA4 = 4, RGBA4 = 4,
}; };
}; };
template<> template<>
union Regs::Struct<Regs::MemoryFill> { struct Regs::Struct<Regs::MemoryFill> {
struct {
u32 address_start; u32 address_start;
u32 address_end; // ? u32 address_end; // ?
u32 size; u32 size;
@ -56,15 +54,13 @@ union Regs::Struct<Regs::MemoryFill> {
inline u32 GetEndAddress() const { inline u32 GetEndAddress() const {
return address_end * 8; return address_end * 8;
} }
} data;
}; };
static_assert(sizeof(Regs::Struct<Regs::MemoryFill>) == 0x10, "Structure size and register block length don't match"); static_assert(sizeof(Regs::Struct<Regs::MemoryFill>) == 0x10, "Structure size and register block length don't match");
template<> template<>
union Regs::Struct<Regs::FramebufferTop> { struct Regs::Struct<Regs::FramebufferTop> {
using Format = Regs::FramebufferFormat; using Format = Regs::FramebufferFormat;
struct {
union { union {
u32 size; u32 size;
@ -97,20 +93,17 @@ union Regs::Struct<Regs::FramebufferTop> {
u32 address_right1; u32 address_right1;
u32 address_right2; u32 address_right2;
} data;
}; };
template<> template<>
union Regs::Struct<Regs::FramebufferBottom> { struct Regs::Struct<Regs::FramebufferBottom> : public Regs::Struct<Regs::FramebufferTop> {
using Type = decltype(Regs::Struct<Regs::FramebufferTop>::data);
Type data;
}; };
static_assert(sizeof(Regs::Struct<Regs::FramebufferTop>) == 0x40, "Structure size and register block length don't match"); static_assert(sizeof(Regs::Struct<Regs::FramebufferTop>) == 0x40, "Structure size and register block length don't match");
template<> template<>
union Regs::Struct<Regs::DisplayTransfer> { struct Regs::Struct<Regs::DisplayTransfer> {
using Format = Regs::FramebufferFormat; using Format = Regs::FramebufferFormat;
struct {
u32 input_address; u32 input_address;
u32 output_address; u32 output_address;
@ -147,19 +140,16 @@ union Regs::Struct<Regs::DisplayTransfer> {
u32 unknown; u32 unknown;
u32 trigger; u32 trigger;
} data;
}; };
static_assert(sizeof(Regs::Struct<Regs::DisplayTransfer>) == 0x1C, "Structure size and register block length don't match"); static_assert(sizeof(Regs::Struct<Regs::DisplayTransfer>) == 0x1C, "Structure size and register block length don't match");
template<> template<>
union Regs::Struct<Regs::CommandProcessor> { struct Regs::Struct<Regs::CommandProcessor> {
struct {
u32 size; u32 size;
u32 pad0; u32 pad0;
u32 address; u32 address;
u32 pad1; u32 pad1;
u32 trigger; u32 trigger;
} data;
}; };
static_assert(sizeof(Regs::Struct<Regs::CommandProcessor>) == 0x14, "Structure size and register block length don't match"); static_assert(sizeof(Regs::Struct<Regs::CommandProcessor>) == 0x14, "Structure size and register block length don't match");

18
src/video_core/renderer_opengl/renderer_opengl.cpp
View File

@ -80,17 +80,17 @@ void RendererOpenGL::RenderXFB(const common::Rect& src_rect, const common::Rect&
const auto& framebuffer_top = GPU::g_regs.Get<GPU::Regs::FramebufferTop>(); const auto& framebuffer_top = GPU::g_regs.Get<GPU::Regs::FramebufferTop>();
const auto& framebuffer_sub = GPU::g_regs.Get<GPU::Regs::FramebufferBottom>(); const auto& framebuffer_sub = GPU::g_regs.Get<GPU::Regs::FramebufferBottom>();
const u32 active_fb_top = (framebuffer_top.data.active_fb == 1) const u32 active_fb_top = (framebuffer_top.active_fb == 1)
? framebuffer_top.data.address_left2 ? framebuffer_top.address_left2
: framebuffer_top.data.address_left1; : framebuffer_top.address_left1;
const u32 active_fb_sub = (framebuffer_sub.data.active_fb == 1) const u32 active_fb_sub = (framebuffer_sub.active_fb == 1)
? framebuffer_sub.data.address_left2 ? framebuffer_sub.address_left2
: framebuffer_sub.data.address_left1; : framebuffer_sub.address_left1;
DEBUG_LOG(GPU, "RenderXFB: %x bytes from %x(%xx%x), fmt %x", DEBUG_LOG(GPU, "RenderXFB: %x bytes from %x(%xx%x), fmt %x",
framebuffer_top.data.stride * framebuffer_top.data.height, framebuffer_top.stride * framebuffer_top.height,
GPU::GetFramebufferAddr(active_fb_top), (int)framebuffer_top.data.width, GPU::GetFramebufferAddr(active_fb_top), (int)framebuffer_top.width,
(int)framebuffer_top.data.height, (int)framebuffer_top.data.format); (int)framebuffer_top.height, (int)framebuffer_top.format);
// TODO: This should consider the GPU registers for framebuffer width, height and stride. // TODO: This should consider the GPU registers for framebuffer width, height and stride.
FlipFramebuffer(GPU::GetFramebufferPointer(active_fb_top), m_xfb_top_flipped); FlipFramebuffer(GPU::GetFramebufferPointer(active_fb_top), m_xfb_top_flipped);