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added code to LCD modules keep track of framebuffer location in FCRAM or VRAM

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This commit is contained in:
bunnei 2014-04-27 12:39:57 -04:00
parent f78794961e
commit f0525a1eb4
2 changed files with 153 additions and 15 deletions
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91
src/core/hw/lcd.cpp
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@ -6,19 +6,107 @@
#include "common/log.h"
#include "core/core.h"
#include "core/mem_map.h"
#include "core/hw/lcd.h"
#include "video_core/video_core.h"
namespace LCD {
Registers g_regs;
static const u32 kFrameTicks = 268123480 / 60; ///< 268MHz / 60 frames per second
u64 g_last_ticks = 0; ///< Last CPU ticks
/**
* Sets whether the framebuffers are in the GSP heap (FCRAM) or VRAM
* @param
*/
void SetFramebufferLocation(const FramebufferLocation mode) {
switch (mode) {
case FRAMEBUFFER_LOCATION_FCRAM:
g_regs.framebuffer_top_left_1 = PADDR_TOP_LEFT_FRAME1;
g_regs.framebuffer_top_left_2 = PADDR_TOP_LEFT_FRAME2;
g_regs.framebuffer_top_right_1 = PADDR_TOP_RIGHT_FRAME1;
g_regs.framebuffer_top_right_2 = PADDR_TOP_RIGHT_FRAME2;
g_regs.framebuffer_sub_left_1 = PADDR_SUB_FRAME1;
//g_regs.framebuffer_sub_left_2 = unknown;
g_regs.framebuffer_sub_right_1 = PADDR_SUB_FRAME2;
//g_regs.framebufferr_sub_right_2 = unknown;
break;
case FRAMEBUFFER_LOCATION_VRAM:
g_regs.framebuffer_top_left_1 = PADDR_VRAM_TOP_LEFT_FRAME1;
g_regs.framebuffer_top_left_2 = PADDR_VRAM_TOP_LEFT_FRAME2;
g_regs.framebuffer_top_right_1 = PADDR_VRAM_TOP_RIGHT_FRAME1;
g_regs.framebuffer_top_right_2 = PADDR_VRAM_TOP_RIGHT_FRAME2;
g_regs.framebuffer_sub_left_1 = PADDR_VRAM_SUB_FRAME1;
//g_regs.framebuffer_sub_left_2 = unknown;
g_regs.framebuffer_sub_right_1 = PADDR_VRAM_SUB_FRAME2;
//g_regs.framebufferr_sub_right_2 = unknown;
break;
}
}
/**
* Gets the location of the framebuffers
* @return Location of framebuffers as FramebufferLocation enum
*/
const FramebufferLocation GetFramebufferLocation() {
if ((g_regs.framebuffer_top_right_1 & ~Memory::VRAM_MASK) == Memory::VRAM_PADDR) {
return FRAMEBUFFER_LOCATION_VRAM;
} else if ((g_regs.framebuffer_top_right_1 & ~Memory::FCRAM_MASK) == Memory::FCRAM_PADDR) {
return FRAMEBUFFER_LOCATION_FCRAM;
} else {
ERROR_LOG(LCD, "unknown framebuffer location!");
}
return FRAMEBUFFER_LOCATION_UNKNOWN;
}
/**
* 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) {
switch (GetFramebufferLocation()) {
case FRAMEBUFFER_LOCATION_FCRAM:
return (const u8*)Memory::GetPointer(Memory::VirtualAddressFromPhysical_FCRAM(address));
case FRAMEBUFFER_LOCATION_VRAM:
return (const u8*)Memory::GetPointer(Memory::VirtualAddressFromPhysical_VRAM(address));
default:
ERROR_LOG(LCD, "unknown framebuffer location");
}
return NULL;
}
template <typename T>
inline void Read(T &var, const u32 addr) {
ERROR_LOG(LCD, "unknown Read%d @ 0x%08X", sizeof(var) * 8, addr);
switch (addr) {
case REG_FRAMEBUFFER_TOP_LEFT_1:
var = g_regs.framebuffer_top_left_1;
break;
case REG_FRAMEBUFFER_TOP_LEFT_2:
var = g_regs.framebuffer_top_left_2;
break;
case REG_FRAMEBUFFER_TOP_RIGHT_1:
var = g_regs.framebuffer_top_right_1;
break;
case REG_FRAMEBUFFER_TOP_RIGHT_2:
var = g_regs.framebuffer_top_right_2;
break;
case REG_FRAMEBUFFER_SUB_LEFT_1:
var = g_regs.framebuffer_sub_left_1;
break;
case REG_FRAMEBUFFER_SUB_RIGHT_1:
var = g_regs.framebuffer_sub_right_1;
break;
default:
ERROR_LOG(LCD, "unknown Read%d @ 0x%08X", sizeof(var) * 8, addr);
break;
}
}
template <typename T>
@ -51,6 +139,7 @@ void Update() {
/// Initialize hardware
void Init() {
g_last_ticks = Core::g_app_core->GetTicks();
SetFramebufferLocation(FRAMEBUFFER_LOCATION_FCRAM);
NOTICE_LOG(LCD, "initialized OK");
}