void NativeTextureGLES::updateRegion(int x, int y, const ImageData& data_)
{
ImageData data = data_;
assert(_width >= data.w - x);
assert(_height >= data.h - y);
glBindTexture(GL_TEXTURE_2D, (GLuint) _id);
glPixel glp = SurfaceFormat2GL(_format);
//saveImage(data, "test1.png");
MemoryTexture mt;
if (_format != data.format)
{
mt.init(data.w, data.h, _format);
mt.fill_zero();
mt.updateRegion(0, 0, data);
data = mt.lock();
}
glTexSubImage2D(GL_TEXTURE_2D, 0,
x, y, data.w, data.h,
glp.format, glp.type, data.data);
CHECKGL();
}
void NativeTextureGLES::init(int w, int h, TextureFormat tf, bool rt)
{
release();
size_t id = createTexture();
if (rt)
{
if (!HAVE_NPOT_RT())
{
w = nextPOT(w);
h = nextPOT(h);
}
}
glPixel p = SurfaceFormat2GL(tf);
glTexImage2D(GL_TEXTURE_2D, 0, p.format, w, h, 0, p.format, p.type, 0);
if (rt)
{
int prevFBO = 0;
glGetIntegerv(GL_FRAMEBUFFER_BINDING, &prevFBO);
glBindTexture(GL_TEXTURE_2D, 0);
unsigned int fbo = 0;
oxglGenFramebuffers(1, &fbo);
oxglBindFramebuffer(GL_FRAMEBUFFER, fbo);
oxglFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, (GLuint)id, 0);
//printf("created fbo: %d\n", fbo);
unsigned int status = oxglCheckFramebufferStatus(GL_FRAMEBUFFER);
//log::message("fbo status %d\n", status);
//GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES
if (status != GL_FRAMEBUFFER_COMPLETE)
{
log::error("status != GL_FRAMEBUFFER_COMPLETE_OES");
}
glViewport(0, 0, w, h);
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
oxglBindFramebuffer(GL_FRAMEBUFFER, prevFBO);
//log::message("fbo bind\n");
glBindTexture(GL_TEXTURE_2D, 0);
_fbo = fbo;
}
_id = id;
_width = w;
_height = h;
_format = tf;
CHECKGL();
}
void NativeTextureGLES::updateRegion(int x, int y, const ImageData &data)
{
assert(_width >= data.w - x);
assert(_height>= data.h - y);
glBindTexture(GL_TEXTURE_2D, _id);
glPixel glp = SurfaceFormat2GL(_format);
//saveImage(data, "test1.png");
glTexSubImage2D(GL_TEXTURE_2D, 0,
x, y, data.w, data.h,
glp.format, glp.type, data.data);
}
void NativeTextureGLES::init(const ImageData& src, bool sysMemCopy)
{
size_t id = createTexture();
glPixel p = SurfaceFormat2GL(src.format);
if (p.compressed)
oxglCompressedTexImage2D(GL_TEXTURE_2D, 0, p.format, src.w, src.h, 0, src.h * src.pitch, src.data);
else
{
glTexImage2D(GL_TEXTURE_2D, 0, p.format, src.w, src.h, 0, p.format, p.type, src.data);
}
OX_ASSERT(sysMemCopy == false);
init((nativeTextureHandle)id, src.w, src.h, src.format);
CHECKGL();
}
void NativeTextureGLES::unlock()
{
if (!_lockFlags)
return;
if (_lockFlags & lock_write)
{
glBindTexture(GL_TEXTURE_2D, (GLuint) _id);
GLenum er = glGetError();
ImageData src = ImageData(_width, _height, (int)(_data.size() / _height), _format, &_data.front());
ImageData locked = src.getRect(_lockRect);
//glPixelStorei (GL_UNPACK_ALIGNMENT, 1);//byte align
er = glGetError();
//todo add EXT_unpack_subimage support
MemoryTexture mt;
mt.init(_lockRect.getWidth(), _lockRect.getHeight(), _format);
ImageData q = mt.lock();
operations::copy(locked, q);
mt.unlock();
glPixel glp = SurfaceFormat2GL(_format);
glTexSubImage2D(GL_TEXTURE_2D, 0,
_lockRect.getX(), _lockRect.getY(), _lockRect.getWidth(), _lockRect.getHeight(),
glp.format, glp.type, locked.data);
er = glGetError();
_lockFlags = 0;
}
CHECKGL();
}
