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Move replacePixels from Image to Texture

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This commit is contained in:
Alex Szpakowski
2020-02-04 19:05:43 -04:00
parent 63c5df6aa7
commit 4716211c14
12 changed files with 168 additions and 143 deletions
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src/modules/graphics/Texture.cpp
+82
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@@ -175,6 +175,7 @@ Texture::Texture(TextureType texType)
, requestedMSAA(1)
, samplerState()
, graphicsMemorySize(0)
, usingDefaultTexture(false)
{
auto gfx = Module::getInstance<Graphics>(Module::M_GRAPHICS);
if (gfx != nullptr)
@@ -358,6 +359,87 @@ void Texture::drawLayer(Graphics *gfx, int layer, Quad *q, const Matrix4 &m)
}
}
void Texture::uploadImageData(love::image::ImageDataBase *d, int level, int slice, int x, int y)
{
love::image::ImageData *id = dynamic_cast<love::image::ImageData *>(d);
love::thread::EmptyLock lock;
if (id != nullptr)
lock.setLock(id->getMutex());
Rect rect = {x, y, d->getWidth(), d->getHeight()};
uploadByteData(d->getFormat(), d->getData(), d->getSize(), level, slice, rect, d);
}
void Texture::replacePixels(love::image::ImageDataBase *d, int slice, int mipmap, int x, int y, bool reloadmipmaps)
{
if (!isReadable())
throw love::Exception("replacePixels can only be called on readable Textures.");
if (getMSAA() > 1)
throw love::Exception("replacePixels cannot be called on a MSAA Texture.");
auto gfx = Module::getInstance<Graphics>(Module::M_GRAPHICS);
if (gfx != nullptr && gfx->isRenderTargetActive(this))
throw love::Exception("replacePixels cannot be called on this Texture while it's an active render target.");
// No effect if the texture hasn't been created yet.
if (getHandle() == 0 || usingDefaultTexture)
return;
if (d->getFormat() != getPixelFormat())
throw love::Exception("Pixel formats must match.");
if (mipmap < 0 || mipmap >= getMipmapCount())
throw love::Exception("Invalid texture mipmap index %d.", mipmap + 1);
if (slice < 0 || (texType == TEXTURE_CUBE && slice >= 6)
|| (texType == TEXTURE_VOLUME && slice >= getDepth(mipmap))
|| (texType == TEXTURE_2D_ARRAY && slice >= getLayerCount()))
{
throw love::Exception("Invalid texture slice index %d.", slice + 1);
}
Rect rect = {x, y, d->getWidth(), d->getHeight()};
int mipw = getPixelWidth(mipmap);
int miph = getPixelHeight(mipmap);
if (rect.x < 0 || rect.y < 0 || rect.w <= 0 || rect.h <= 0
|| (rect.x + rect.w) > mipw || (rect.y + rect.h) > miph)
{
throw love::Exception("Invalid rectangle dimensions (x=%d, y=%d, w=%d, h=%d) for %dx%d Texture.", rect.x, rect.y, rect.w, rect.h, mipw, miph);
}
// We don't currently support partial updates of compressed textures.
if (isPixelFormatCompressed(d->getFormat()) && (rect.x != 0 || rect.y != 0 || rect.w != mipw || rect.h != miph))
throw love::Exception("Compressed textures only support replacing the entire Texture.");
Graphics::flushStreamDrawsGlobal();
uploadImageData(d, mipmap, slice, x, y);
if (reloadmipmaps && mipmap == 0 && getMipmapCount() > 1)
generateMipmaps();
}
void Texture::replacePixels(const void *data, size_t size, int slice, int mipmap, const Rect &rect, bool reloadmipmaps)
{
if (!isReadable() || getMSAA() > 1)
return;
auto gfx = Module::getInstance<Graphics>(Module::M_GRAPHICS);
if (gfx != nullptr && gfx->isRenderTargetActive(this))
return;
Graphics::flushStreamDrawsGlobal();
uploadByteData(format, data, size, mipmap, slice, rect, nullptr);
if (reloadmipmaps && mipmap == 0 && getMipmapCount() > 1)
generateMipmaps();
}
int Texture::getWidth(int mip) const
{
return std::max(width >> mip, 1);