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remove copying from CreateTexBuffer

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This commit is contained in:
Ricardo Luís Vaz Silva 2024-04-11 21:14:09 -03:00 • committed by Rachael Alexanderson
commit 1c3764ec89
3 changed files with 23 additions and 6 deletions
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22
src/common/textures/texture.cpp
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@ -354,17 +354,29 @@ FTextureBuffer FTexture::CreateTexBuffer(int translation, int flags)
if (!checkonly)
{
buffer = new unsigned char[W * (H + 1) * 4];
memset(buffer, 0, W * (H + 1) * 4);
auto remap = translation <= 0 || IsLuminosityTranslation(translation) ? nullptr : GPalette.TranslationToTable(translation);
if (remap && remap->Inactive) remap = nullptr;
if (remap) translation = remap->Index;
FBitmap bmp(buffer, W * 4, W, H);
int trans;
auto Pixels = GetBgraBitmap(remap ? remap->Palette : nullptr, &trans);
bmp.Blit(exx, exx, Pixels);
if(!exx && Pixels.ClipRect.x == 0 && Pixels.ClipRect.y == 0 && Pixels.ClipRect.width == Pixels.Width && Pixels.ClipRect.height == Pixels.Height && (Pixels.FreeBuffer || !IsLuminosityTranslation(translation)))
{
buffer = Pixels.data;
result.mFreeBuffer = Pixels.FreeBuffer;
Pixels.FreeBuffer = false;
}
else
{
buffer = new unsigned char[W * (H + 1) * 4];
memset(buffer, 0, W * (H + 1) * 4);
FBitmap bmp(buffer, W * 4, W, H);
bmp.Blit(exx, exx, Pixels);
}
if (IsLuminosityTranslation(translation))
{
V_ApplyLuminosityTranslation(LuminosityTranslationDesc::fromInt(translation), buffer, W * H);