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Fix some minor details from 6d61375

This commit is contained in:
kwolekr 2015-04-01 00:19:10 -04:00
parent 6d61375cc7
commit ddf96c7a17
4 changed files with 37 additions and 30 deletions
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4
minetest.conf.example
View File

@ -177,9 +177,9 @@
# pixels when scaling down, at the cost of blurring some
# edge pixels when images are scaled by non-integer sizes.
#gui_scaling_filter = false
# When gui_scaling_filter = true, all GUI images need to be
# When gui_scaling_filter is true, all GUI images need to be
# filtered in software, but some images are generated directly
# to hardare (e.g. render-to-texture for nodes in inventory).
# to hardware (e.g. render-to-texture for nodes in inventory).
# When gui_scaling_filter_txr2img is true, copy those images
# from hardware to software for scaling. When false, fall back
# to the old scaling method, for video drivers that don't

6
src/guiFormSpecMenu.cpp
View File

@ -1308,8 +1308,10 @@ void GUIFormSpecMenu::parseImageButton(parserData* data,std::string element,
}
e->setUseAlphaChannel(true);
e->setImage(guiScalingImageButton(Environment->getVideoDriver(), texture, geom.X, geom.Y));
e->setPressedImage(guiScalingImageButton(Environment->getVideoDriver(), pressed_texture, geom.X, geom.Y));
e->setImage(guiScalingImageButton(
Environment->getVideoDriver(), texture, geom.X, geom.Y));
e->setPressedImage(guiScalingImageButton(
Environment->getVideoDriver(), pressed_texture, geom.X, geom.Y));
e->setScaleImage(true);
e->setNotClipped(noclip);
e->setDrawBorder(drawborder);

49
src/guiscalingfilter.cpp
View File

@ -28,54 +28,58 @@ with this program; if not, write to the Free Software Foundation, Inc.,
* converting textures back into images repeatedly, and some don't even
* allow it at all.
*/
std::map<io::path, video::IImage *> imgCache;
std::map<io::path, video::IImage *> g_imgCache;
/* Maintain a static cache of all pre-scaled textures. These need to be
* cleared as well when the cached images.
*/
std::map<io::path, video::ITexture *> txrCache;
std::map<io::path, video::ITexture *> g_txrCache;
/* Manually insert an image into the cache, useful to avoid texture-to-image
* conversion whenever we can intercept it.
*/
void guiScalingCache(io::path key, video::IVideoDriver *driver, video::IImage *value) {
void guiScalingCache(io::path key, video::IVideoDriver *driver, video::IImage *value)
{
if (!g_settings->getBool("gui_scaling_filter"))
return;
video::IImage *copied = driver->createImage(value->getColorFormat(),
value->getDimension());
value->copyTo(copied);
imgCache[key] = copied;
g_imgCache[key] = copied;
}
// Manually clear the cache, e.g. when switching to different worlds.
void guiScalingCacheClear(video::IVideoDriver *driver) {
for (std::map<io::path, video::IImage *>::iterator it = imgCache.begin();
it != imgCache.end(); it++) {
void guiScalingCacheClear(video::IVideoDriver *driver)
{
for (std::map<io::path, video::IImage *>::iterator it = g_imgCache.begin();
it != g_imgCache.end(); it++) {
if (it->second != NULL)
it->second->drop();
}
imgCache.clear();
for (std::map<io::path, video::ITexture *>::iterator it = txrCache.begin();
it != txrCache.end(); it++) {
g_imgCache.clear();
for (std::map<io::path, video::ITexture *>::iterator it = g_txrCache.begin();
it != g_txrCache.end(); it++) {
if (it->second != NULL)
driver->removeTexture(it->second);
}
txrCache.clear();
g_txrCache.clear();
}
/* Get a cached, high-quality pre-scaled texture for display purposes. If the
* texture is not already cached, attempt to create it. Returns a pre-scaled texture,
* or the original texture if unable to pre-scale it.
*/
video::ITexture *guiScalingResizeCached(video::IVideoDriver *driver, video::ITexture *src,
const core::rect<s32> &srcrect, const core::rect<s32> &destrect) {
video::ITexture *guiScalingResizeCached(video::IVideoDriver *driver,
video::ITexture *src, const core::rect<s32> &srcrect,
const core::rect<s32> &destrect)
{
if (!g_settings->getBool("gui_scaling_filter"))
return src;
// Calculate scaled texture name.
char rectstr[200];
sprintf(rectstr, "%d:%d:%d:%d:%d:%d",
snprintf(rectstr, sizeof(rectstr), "%d:%d:%d:%d:%d:%d",
srcrect.UpperLeftCorner.X,
srcrect.UpperLeftCorner.Y,
srcrect.getWidth(),
@ -86,20 +90,20 @@ video::ITexture *guiScalingResizeCached(video::IVideoDriver *driver, video::ITex
io::path scalename = origname + "@guiScalingFilter:" + rectstr;
// Search for existing scaled texture.
video::ITexture *scaled = txrCache[scalename];
video::ITexture *scaled = g_txrCache[scalename];
if (scaled)
return scaled;
// Try to find the texture converted to an image in the cache.
// If the image was not found, try to extract it from the texture.
video::IImage* srcimg = imgCache[origname];
video::IImage* srcimg = g_imgCache[origname];
if (srcimg == NULL) {
if (!g_settings->getBool("gui_scaling_filter_txr2img"))
return src;
srcimg = driver->createImageFromData(src->getColorFormat(),
src->getSize(), src->lock(), false);
src->unlock();
imgCache[origname] = srcimg;
g_imgCache[origname] = srcimg;
}
// Create a new destination image and scale the source into it.
@ -125,7 +129,7 @@ video::ITexture *guiScalingResizeCached(video::IVideoDriver *driver, video::ITex
// Convert the scaled image back into a texture.
scaled = driver->addTexture(scalename, destimg, NULL);
destimg->drop();
txrCache[scalename] = scaled;
g_txrCache[scalename] = scaled;
return scaled;
}
@ -133,8 +137,9 @@ video::ITexture *guiScalingResizeCached(video::IVideoDriver *driver, video::ITex
/* Convenience wrapper for guiScalingResizeCached that accepts parameters that
* are available at GUI imagebutton creation time.
*/
video::ITexture *guiScalingImageButton(video::IVideoDriver *driver, video::ITexture *src,
s32 width, s32 height) {
video::ITexture *guiScalingImageButton(video::IVideoDriver *driver,
video::ITexture *src, s32 width, s32 height)
{
return guiScalingResizeCached(driver, src,
core::rect<s32>(0, 0, src->getSize().Width, src->getSize().Height),
core::rect<s32>(0, 0, width, height));
@ -146,8 +151,8 @@ video::ITexture *guiScalingImageButton(video::IVideoDriver *driver, video::IText
void draw2DImageFilterScaled(video::IVideoDriver *driver, video::ITexture *txr,
const core::rect<s32> &destrect, const core::rect<s32> &srcrect,
const core::rect<s32> *cliprect, const video::SColor *const colors,
bool usealpha) {
bool usealpha)
{
// Attempt to pre-scale image in software in high quality.
video::ITexture *scaled = guiScalingResizeCached(driver, txr, srcrect, destrect);

8
src/imagefilters.cpp
View File

@ -31,8 +31,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
* transparent. Should be 127 for 3d where alpha is threshold, but 0 for
* 2d where alpha is blended.
*/
void imageCleanTransparent(video::IImage *src, u32 threshold) {
void imageCleanTransparent(video::IImage *src, u32 threshold)
{
core::dimension2d<u32> dim = src->getDimension();
// Walk each pixel looking for fully transparent ones.
@ -85,8 +85,8 @@ void imageCleanTransparent(video::IImage *src, u32 threshold) {
* filter is designed to produce the most accurate results for both upscaling
* and downscaling.
*/
void imageScaleNNAA(video::IImage *src, const core::rect<s32> &srcrect, video::IImage *dest) {
void imageScaleNNAA(video::IImage *src, const core::rect<s32> &srcrect, video::IImage *dest)
{
double sx, sy, minsx, maxsx, minsy, maxsy, area, ra, ga, ba, aa, pw, ph, pa;
u32 dy, dx;
video::SColor pxl;