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bloom2: Rework divRects calc

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This commit is contained in:
Luke Street
2026-04-13 14:14:19 -06:00
parent 9ba23f060c
commit 71651e1675
1 changed files with 26 additions and 22 deletions
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src/m_Do/m_Do_graphic.cpp
+26 -22
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@@ -1259,7 +1259,7 @@ void mDoGph_gInf_c::bloom_c::remove() {
}
#if TARGET_PC
static void CopyToTexObj(GXTexObj* pDst, uintptr_t texID, int dstWidth, int dstHeight, GXTexFmt dstFmt = GX_TF_RGBA8) {
static void CopyToTexObj(GXTexObj* pDst, uintptr_t texID, u16 dstWidth, u16 dstHeight, GXTexFmt dstFmt = GX_TF_RGBA8) {
GXSetTexCopyDst(dstWidth, dstHeight, dstFmt, FALSE);
GXCopyTex((void*)texID, false);
GXInitTexObj(pDst, (void*)texID, dstWidth, dstHeight, dstFmt, GX_CLAMP, GX_CLAMP, GX_FALSE);
@@ -1311,33 +1311,37 @@ void mDoGph_gInf_c::bloom_c::draw2() {
BlurPass0, BlurPassN = BlurPass0 + MaxDivNum,
MaxTexNum,
};
struct bloom_rect {
struct {
u16 x;
u16 y;
u16 w;
u16 h;
} divRects[MaxDivNum];
divRects[0] = {
0,
0,
static_cast<u16>(width),
static_cast<u16>(height),
};
scissor_class divPorts[MaxDivNum];
divPorts[0] = {0.0f, 0.0f, 1.0f, 1.0f}; // full-size texture
divPorts[1] = {0.0f, 0.0f, 0.5f, 0.5f}; // bloom texture (wide enough, half-tall)
divPorts[2] = {0.5f, 0.0f, 0.25f, 0.25f};
for (int i = 3; i < ARRAY_SIZE(divPorts); i++) {
auto& port = divPorts[i];
auto const& prev = divPorts[i - 1];
port.x_orig = prev.x_orig;
port.y_orig = prev.y_orig + prev.height;
port.width = prev.width * 0.5f;
port.height = prev.height * 0.5f;
}
bloom_rect divRects[MaxDivNum];
for (int i = 0; i < ARRAY_SIZE(divPorts); i++) {
auto const& port = divPorts[i];
divRects[1] = {
0,
0,
static_cast<u16>(divRects[0].w / 2),
static_cast<u16>(divRects[0].h / 2),
};
divRects[2] = {
divRects[1].w,
0,
static_cast<u16>(divRects[1].w / 2),
static_cast<u16>(divRects[1].h / 2),
};
for (int i = 3; i < ARRAY_SIZE(divRects); i++) {
const auto& prev = divRects[i - 1];
divRects[i] = {
static_cast<u16>(port.x_orig * width),
static_cast<u16>(port.y_orig * height),
static_cast<u16>(port.width * width),
static_cast<u16>(port.height * height),
prev.x,
static_cast<u16>(prev.y + prev.h),
static_cast<u16>(prev.w / 2),
static_cast<u16>(prev.h / 2),
};
}