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git-svn-id: svn://ultimatepp.org/upp/trunk@12249 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
cxl 2018-09-04 21:24:11 +00:00
parent 09953c47ae
commit 00a11f2c47
10 changed files with 56 additions and 18 deletions
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26
uppsrc/GLDraw/Texture.cpp
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@ -10,21 +10,27 @@ struct ImageGLData {
Image img;
GLuint texture_id;
void Init(const Image& img);
void Init(const Image& img, dword flags);
~ImageGLData();
};
void ImageGLData::Init(const Image& img)
void ImageGLData::Init(const Image& img_, dword flags)
{
LTIMING("CreateTexture");
Image img = img_;
Size sz = img.GetSize();
glGenTextures(1, &texture_id);
glBindTexture(GL_TEXTURE_2D, texture_id);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, sz.cx, sz.cy, 0, GL_BGRA, GL_UNSIGNED_BYTE, ~img);
if(flags & TEXTURE_MIPMAP)
glGenerateMipmap(GL_TEXTURE_2D);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, flags & TEXTURE_LINEAR ? GL_LINEAR : GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, flags & TEXTURE_LINEAR ?
flags & TEXTURE_MIPMAP ? GL_LINEAR_MIPMAP_LINEAR
: GL_LINEAR
: GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
@ -33,7 +39,7 @@ void ImageGLData::Init(const Image& img)
SysImageRealized(img);
}
static LRUCache<ImageGLData, Tuple<uint64, uint64> > sTextureCache;
static LRUCache<ImageGLData, Tuple<uint64, uint64, dword> > sTextureCache;
static bool sReset;
ImageGLData::~ImageGLData()
@ -57,23 +63,25 @@ void GLDraw::ResetCache()
sReset = false;
}
struct ImageGLDataMaker : LRUCache<ImageGLData, Tuple2<uint64, uint64> >::Maker {
struct ImageGLDataMaker : LRUCache<ImageGLData, Tuple<uint64, uint64, dword> >::Maker {
Image img;
uint64 context;
dword flags;
virtual Tuple2<uint64, uint64> Key() const { return MakeTuple<uint64, uint64>(img.GetSerialId(), context); }
virtual int Make(ImageGLData& object) const { object.Init(img); return img.GetLength(); }
virtual Tuple<uint64, uint64, dword> Key() const { return MakeTuple(img.GetSerialId(), context, flags); }
virtual int Make(ImageGLData& object) const { object.Init(img, flags); return img.GetLength(); }
};
int max_texture_memory = 4 * 1024 * 768;
int max_texture_count = 1000;
GLuint GetTextureForImage(const Image& img, uint64 context)
GLuint GetTextureForImage(dword flags, const Image& img, uint64 context)
{
sTextureCache.Shrink(max_texture_memory, max_texture_count);
ImageGLDataMaker m;
m.img = img;
m.context = context;
m.flags = flags;
return sTextureCache.Get(m).texture_id;
}