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Refactor DC register access

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This commit is contained in:
Maschell
2024-05-10 16:36:47 +02:00
parent 6db59dcc16
commit 4c1131b0bf
3 changed files with 61 additions and 56 deletions
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25
source/utils/DrawUtils.cpp
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@@ -1,5 +1,6 @@
#include "DrawUtils.h"
#include "dc.h"
#include "logger.h"
#include "utils.h"
#include <avm/tv.h>
@@ -24,18 +25,6 @@ static SFT pFont = {};
static Color font_col(0xFFFFFFFF);
#define __SetDCPitchReg ((void (*)(uint32_t, uint32_t))(0x101C400 + 0x1e714))
extern "C" uint32_t __OSPhysicalToEffectiveUncached(uint32_t);
static uint32_t __ReadReg32(uint32_t index) {
if (OSIsECOMode()) {
return 0;
}
auto regs = (uint32_t *) __OSPhysicalToEffectiveUncached(0xc200000);
return regs[index];
}
void DrawUtils::initBuffers(void *tvBuffer_, uint32_t tvSize_, void *drcBuffer_, uint32_t drcSize_) {
DrawUtils::tvBuffer = (uint8_t *) tvBuffer_;
DrawUtils::tvSize = tvSize_;
@@ -75,19 +64,19 @@ void DrawUtils::initBuffers(void *tvBuffer_, uint32_t tvSize_, void *drcBuffer_,
}
}
auto tvScanBufferWidth = __ReadReg32(0x184d + SCREEN_TV * 0x200);
auto tvScanBufferWidth = DCReadReg32(SCREEN_TV, D1GRPH_X_END_REG);
if (tvScanBufferWidth == 640) { // 480i/480p/576i 4:3
DrawUtils::usedTVWidth = 640;
__SetDCPitchReg(SCREEN_TV, 640);
SetDCPitchReg(SCREEN_TV, 640);
DrawUtils::usedTVScale = bigScale ? 0.75 : 0.75f;
} else if (tvScanBufferWidth == 854) { // 480i/480p/576i 16:9
DrawUtils::usedTVWidth = 896;
__SetDCPitchReg(SCREEN_TV, 896);
SetDCPitchReg(SCREEN_TV, 896);
DrawUtils::usedTVScale = bigScale ? 1.0 : 1.0f;
} else if (tvScanBufferWidth == 1280) { // 720p 16:9
DrawUtils::usedTVWidth = 1280;
__SetDCPitchReg(SCREEN_TV, 1280);
SetDCPitchReg(SCREEN_TV, 1280);
if (bigScale) {
DrawUtils::usedTVScale = 1.5;
} else {
@@ -102,11 +91,11 @@ void DrawUtils::initBuffers(void *tvBuffer_, uint32_t tvSize_, void *drcBuffer_,
}
} else if (tvScanBufferWidth == 1920) { // 1080i/1080p 16:9
DrawUtils::usedTVWidth = 1920;
__SetDCPitchReg(SCREEN_TV, 1920);
SetDCPitchReg(SCREEN_TV, 1920);
DrawUtils::usedTVScale = bigScale ? 2.25 : 1.125f;
} else {
DrawUtils::usedTVWidth = tvScanBufferWidth;
__SetDCPitchReg(SCREEN_TV, tvScanBufferWidth);
SetDCPitchReg(SCREEN_TV, tvScanBufferWidth);
DrawUtils::usedTVScale = 1.0f;
DEBUG_FUNCTION_LINE_WARN("Unknown tv width detected, config menu might not show properly");
}