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Decompile fn_01905 (DeviceOwnerDX7::CalibrateTextureCoordinates)

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Batch #17457 by eAthena: 0 byte-identical, 1 confirmed by peer review.

- fn_01905 DeviceOwnerDX7::CalibrateTextureCoordinates: logic confirmed by peer review

Peer-reviewed-by: Yommy, cremane, bibinir
Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
This commit is contained in:
ragnarok-clanker 2026-11-11 23:17:51 +00:00
commit 1caf3e4ec8
1 changed files with 5 additions and 6 deletions
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11
Source/Render/DX7/TextureCalibrationDX7.cpp
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@ -9,7 +9,7 @@
namespace {
// INLINED
unsigned Component(unsigned pixel, DWORD mask, const DeviceOwnerDX7::Channel& channel) {
return ((pixel & mask) >> (channel.shift & 31)) << (channel.expansion & 31);
return ((pixel & mask) >> channel.shift) << channel.expansion;
}
}
@ -23,15 +23,15 @@ bool DeviceOwnerDX7::CalibrateTextureCoordinates() {
this->device->SetRenderState(D3DRENDERSTATE_ALPHATESTENABLE, 0);
this->device->SetRenderState(D3DRENDERSTATE_ALPHABLENDENABLE, 0);
this->device->SetRenderState(D3DRENDERSTATE_ZENABLE, D3DZB_FALSE);
this->device->SetTextureStageState(0, D3DTSS_MAGFILTER, D3DTFG_LINEAR);
this->device->SetTextureStageState(0, D3DTSS_MINFILTER, D3DTFN_LINEAR);
this->device->SetTextureStageState(0, D3DTSS_MAGFILTER, D3DTFG_LINEAR);
this->device->SetTexture(0, texture.NativeSurface());
unsigned first = 0;
const unsigned columns = this->width >> 2;
const unsigned capacity = columns * (this->height >> 2);
int bestScore = -1024;
int best = 32896;
unsigned first = 0;
do {
this->device->Clear(0, nullptr, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, 0, 1, 0);
@ -67,8 +67,7 @@ bool DeviceOwnerDX7::CalibrateTextureCoordinates() {
this->device->EndScene();
readback.m_surface->Blt(nullptr, this->renderTarget, nullptr, DDBLT_WAIT, nullptr);
DDSURFACEDESC2 locked{};
locked.dwSize = sizeof(locked);
DDSURFACEDESC2 locked = {sizeof(DDSURFACEDESC2)};
if (FAILED(readback.m_surface->Lock(nullptr, &locked, DDLOCK_WAIT, nullptr))) {
return false;
@ -122,8 +121,8 @@ bool DeviceOwnerDX7::CalibrateTextureCoordinates() {
g_textureOffsetX = static_cast<float>(best % 256) * (1.0f / 256.0f);
g_textureOffsetY = static_cast<float>(best / 256) * (1.0f / 256.0f);
this->device->SetTextureStageState(0, D3DTSS_MAGFILTER, D3DTFG_LINEAR);
this->device->SetTextureStageState(0, D3DTSS_MINFILTER, D3DTFN_LINEAR);
this->device->SetTextureStageState(0, D3DTSS_MAGFILTER, D3DTFG_LINEAR);
return true;
}