GLuint QGLTexturePool::createTexture(GLenum target,
GLint level,
GLint internalformat,
GLsizei width,
GLsizei height,
GLenum format,
GLenum type,
QGLTexture *texture)
{
GLuint tex;
glGenTextures(1, &tex);
glBindTexture(target, tex);
do {
glTexImage2D(target, level, internalformat, width, height, 0, format, type, 0);
GLenum error = glGetError();
if (error == GL_NO_ERROR) {
if (texture)
moveToHeadOfLRU(texture);
return tex;
} else if (error != GL_OUT_OF_MEMORY) {
qWarning("QGLTexturePool: cannot create temporary texture because of invalid params");
return 0;
}
} while (reclaimSpace(internalformat, width, height, format, type, texture));
qWarning("QGLTexturePool: cannot reclaim sufficient space for a %dx%d texture",
width, height);
return 0;
}
bool QGLTexturePool::createPermanentTexture(GLuint tex,
GLenum target,
GLint level,
GLint internalformat,
GLsizei width,
GLsizei height,
GLenum format,
GLenum type,
const GLvoid *data)
{
glBindTexture(target, tex);
do {
glTexImage2D(target, level, internalformat, width, height, 0, format, type, data);
GLenum error = glGetError();
if (error == GL_NO_ERROR) {
return true;
} else if (error != GL_OUT_OF_MEMORY) {
qWarning("QGLTexturePool: cannot create permanent texture because of invalid params");
return false;
}
} while (reclaimSpace(internalformat, width, height, format, type, 0));
qWarning("QGLTexturePool: cannot reclaim sufficient space for a %dx%d texture",
width, height);
return 0;
}
VGImage QVGImagePool::createPermanentImage(VGImageFormat format,
VGint width, VGint height,
VGbitfield allowedQuality)
{
VGImage image;
do {
image = vgCreateImage(format, width, height, allowedQuality);
if (image != VG_INVALID_HANDLE)
return image;
} while (reclaimSpace(format, width, height, 0));
qWarning("QVGImagePool: cannot reclaim sufficient space for a %dx%d image",
width, height);
return VG_INVALID_HANDLE;
}
VGImage QVGImagePool::createTemporaryImage(VGImageFormat format,
VGint width, VGint height,
VGbitfield allowedQuality,
QVGPixmapData *keepData)
{
VGImage image;
do {
image = vgCreateImage(format, width, height, allowedQuality);
if (image != VG_INVALID_HANDLE)
return image;
} while (reclaimSpace(format, width, height, keepData));
qWarning("QVGImagePool: cannot reclaim sufficient space for a %dx%d temporary image",
width, height);
return VG_INVALID_HANDLE;
}
VGImage QVGImagePool::createImageForPixmap(VGImageFormat format,
VGint width, VGint height,
VGbitfield allowedQuality,
QVGPixmapData *data)
{
VGImage image;
do {
image = vgCreateImage(format, width, height, allowedQuality);
if (image != VG_INVALID_HANDLE) {
if (data)
moveToHeadOfLRU(data);
return image;
}
} while (reclaimSpace(format, width, height, data));
qWarning("QVGImagePool: cannot reclaim sufficient space for a %dx%d pixmap",
width, height);
return VG_INVALID_HANDLE;
}
