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kwin: Rename some variables in GLXBackend

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ctxbuffer       → ctx
glxbuffer       → glxDrawable
buffer          → drawable
fbcbuffer       → fbconfig
fbcbuffer_db    → fbconfig_db
fbcbuffer_nondb → fbconfig_nondb
This commit is contained in:
Fredrik Höglund 2013-03-11 16:05:47 +01:00
parent 649264d738
commit e393cc9069
2 changed files with 67 additions and 67 deletions
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122
glxbackend.cpp
View file

@ -41,12 +41,12 @@ namespace KWin
GlxBackend::GlxBackend()
: OpenGLBackend()
, gcroot(None)
, buffer(None)
, fbcbuffer_db(NULL)
, fbcbuffer_nondb(NULL)
, fbcbuffer(NULL)
, glxbuffer(None)
, ctxbuffer(None)
, drawable(None)
, fbconfig_db(NULL)
, fbconfig_nondb(NULL)
, fbconfig(NULL)
, glxDrawable(None)
, ctx(None)
, haveSwapInterval(false)
{
init();
@ -58,21 +58,21 @@ GlxBackend::~GlxBackend()
// do cleanup after initBuffer()
cleanupGL();
glXMakeCurrent(display(), None, NULL);
if (ctxbuffer)
glXDestroyContext(display(), ctxbuffer);
if (ctx)
glXDestroyContext(display(), ctx);
if (overlayWindow()->window()) {
if (hasGLXVersion(1, 3) && glxbuffer)
glXDestroyWindow(display(), glxbuffer);
if (buffer)
XDestroyWindow(display(), buffer);
if (hasGLXVersion(1, 3) && glxDrawable)
glXDestroyWindow(display(), glxDrawable);
if (drawable)
XDestroyWindow(display(), drawable);
overlayWindow()->destroy();
} else {
if (glxbuffer)
glXDestroyPixmap(display(), glxbuffer);
if (glxDrawable)
glXDestroyPixmap(display(), glxDrawable);
if (gcroot)
XFreeGC(display(), gcroot);
if (buffer)
XFreePixmap(display(), buffer);
if (drawable)
XFreePixmap(display(), drawable);
}
checkGLError("Cleanup");
}
@ -105,7 +105,7 @@ void GlxBackend::init()
// Check whether certain features are supported
haveSwapInterval = glXSwapIntervalMESA || glXSwapIntervalEXT || glXSwapIntervalSGI;
if (options->isGlVSync()) {
if (glXGetVideoSync && haveSwapInterval && glXIsDirect(display(), ctxbuffer)) {
if (glXGetVideoSync && haveSwapInterval && glXIsDirect(display(), ctx)) {
unsigned int sync;
if (glXGetVideoSync(&sync) == 0) {
if (glXWaitVideoSync(1, 0, &sync) == 0) {
@ -123,7 +123,7 @@ void GlxBackend::init()
qWarning() << "NO VSYNC! glXGetVideoSync(&uint) isn't 0 but" << glXGetVideoSync(&sync);
} else
qWarning() << "NO VSYNC! glXGetVideoSync, haveSwapInterval, glXIsDirect" <<
bool(glXGetVideoSync) << haveSwapInterval << glXIsDirect(display(), ctxbuffer);
bool(glXGetVideoSync) << haveSwapInterval << glXIsDirect(display(), ctx);
}
if (glPlatform->isVirtualBox()) {
// VirtualBox does not support glxQueryDrawable
@ -131,7 +131,7 @@ void GlxBackend::init()
// and the GLPlatform has not been initialized at the moment when initGLX() is called.
glXQueryDrawable = NULL;
}
setIsDirectRendering(bool(glXIsDirect(display(), ctxbuffer)));
setIsDirectRendering(bool(glXIsDirect(display(), ctx)));
kDebug(1212) << "DB:" << isDoubleBuffer() << ", Direct:" << isDirectRendering() << endl;
}
@ -140,9 +140,9 @@ bool GlxBackend::initRenderingContext()
{
bool direct_rendering = options->isGlDirect();
KXErrorHandler errs1;
ctxbuffer = glXCreateNewContext(display(), fbcbuffer, GLX_RGBA_TYPE, NULL,
direct_rendering ? GL_TRUE : GL_FALSE);
bool failed = (ctxbuffer == NULL || !glXMakeCurrent(display(), glxbuffer, ctxbuffer));
ctx = glXCreateNewContext(display(), fbconfig, GLX_RGBA_TYPE, NULL,
direct_rendering ? GL_TRUE : GL_FALSE);
bool failed = (ctx == NULL || !glXMakeCurrent(display(), glxDrawable, ctx));
if (errs1.error(true)) // always check for error( having it all in one if () could skip
failed = true; // it due to evaluation short-circuiting
if (failed) {
@ -152,12 +152,12 @@ bool GlxBackend::initRenderingContext()
return false;
}
glXMakeCurrent(display(), None, NULL);
if (ctxbuffer != NULL)
glXDestroyContext(display(), ctxbuffer);
if (ctx != NULL)
glXDestroyContext(display(), ctx);
direct_rendering = false; // try again
KXErrorHandler errs2;
ctxbuffer = glXCreateNewContext(display(), fbcbuffer, GLX_RGBA_TYPE, NULL, GL_FALSE);
bool failed = (ctxbuffer == NULL || !glXMakeCurrent(display(), glxbuffer, ctxbuffer));
ctx = glXCreateNewContext(display(), fbconfig, GLX_RGBA_TYPE, NULL, GL_FALSE);
bool failed = (ctx == NULL || !glXMakeCurrent(display(), glxDrawable, ctx));
if (errs2.error(true))
failed = true;
if (failed) {
@ -173,31 +173,31 @@ bool GlxBackend::initBuffer()
{
if (!initBufferConfigs())
return false;
if (fbcbuffer_db != NULL && overlayWindow()->create()) {
if (fbconfig_db != NULL && overlayWindow()->create()) {
// we have overlay, try to create double-buffered window in it
fbcbuffer = fbcbuffer_db;
XVisualInfo* visual = glXGetVisualFromFBConfig(display(), fbcbuffer);
fbconfig = fbconfig_db;
XVisualInfo* visual = glXGetVisualFromFBConfig(display(), fbconfig);
XSetWindowAttributes attrs;
attrs.colormap = XCreateColormap(display(), rootWindow(), visual->visual, AllocNone);
buffer = XCreateWindow(display(), overlayWindow()->window(), 0, 0, displayWidth(), displayHeight(),
0, visual->depth, InputOutput, visual->visual, CWColormap, &attrs);
drawable = XCreateWindow(display(), overlayWindow()->window(), 0, 0, displayWidth(), displayHeight(),
0, visual->depth, InputOutput, visual->visual, CWColormap, &attrs);
if (hasGLXVersion(1, 3))
glxbuffer = glXCreateWindow(display(), fbcbuffer, buffer, NULL);
glxDrawable = glXCreateWindow(display(), fbconfig, drawable, NULL);
else
glxbuffer = buffer;
overlayWindow()->setup(buffer);
glxDrawable = drawable;
overlayWindow()->setup(drawable);
setDoubleBuffer(true);
XFree(visual);
} else if (fbcbuffer_nondb != NULL) {
} else if (fbconfig_nondb != NULL) {
// cannot get any double-buffered drawable, will double-buffer using a pixmap
fbcbuffer = fbcbuffer_nondb;
XVisualInfo* visual = glXGetVisualFromFBConfig(display(), fbcbuffer);
fbconfig = fbconfig_nondb;
XVisualInfo* visual = glXGetVisualFromFBConfig(display(), fbconfig);
XGCValues gcattr;
gcattr.subwindow_mode = IncludeInferiors;
gcroot = XCreateGC(display(), rootWindow(), GCSubwindowMode, &gcattr);
buffer = XCreatePixmap(display(), rootWindow(), displayWidth(), displayHeight(),
visual->depth);
glxbuffer = glXCreatePixmap(display(), fbcbuffer, buffer, NULL);
drawable = XCreatePixmap(display(), rootWindow(), displayWidth(), displayHeight(),
visual->depth);
glxDrawable = glXCreatePixmap(display(), fbconfig, drawable, NULL);
setDoubleBuffer(false);
XFree(visual);
} else {
@ -205,8 +205,8 @@ bool GlxBackend::initBuffer()
return false; // error
}
int vis_buffer;
glXGetFBConfigAttrib(display(), fbcbuffer, GLX_VISUAL_ID, &vis_buffer);
XVisualInfo* visinfo_buffer = glXGetVisualFromFBConfig(display(), fbcbuffer);
glXGetFBConfigAttrib(display(), fbconfig, GLX_VISUAL_ID, &vis_buffer);
XVisualInfo* visinfo_buffer = glXGetVisualFromFBConfig(display(), fbconfig);
kDebug(1212) << "Buffer visual (depth " << visinfo_buffer->depth << "): 0x" << QString::number(vis_buffer, 16);
XFree(visinfo_buffer);
return true;
@ -216,8 +216,8 @@ bool GlxBackend::initBufferConfigs()
{
int cnt;
GLXFBConfig *fbconfigs = glXGetFBConfigs(display(), DefaultScreen(display()), &cnt);
fbcbuffer_db = NULL;
fbcbuffer_nondb = NULL;
fbconfig_db = NULL;
fbconfig_nondb = NULL;
for (int i = 0; i < 2; i++) {
int back, stencil, depth, caveat, msaa_buffers, msaa_samples, alpha;
@ -296,14 +296,14 @@ bool GlxBackend::initBufferConfigs()
msaa_samples = msaa_samples_value;
if (i > 0)
fbcbuffer_nondb = fbconfigs[ j ];
fbconfig_nondb = fbconfigs[ j ];
else
fbcbuffer_db = fbconfigs[ j ];
fbconfig_db = fbconfigs[ j ];
}
}
if (cnt)
XFree(fbconfigs);
if (fbcbuffer_db == NULL && fbcbuffer_nondb == NULL) {
if (fbconfig_db == NULL && fbconfig_nondb == NULL) {
kError(1212) << "Couldn't find framebuffer configuration for buffer!";
return false;
}
@ -427,7 +427,7 @@ bool GlxBackend::initDrawableConfigs()
void GlxBackend::setSwapInterval(int interval)
{
if (glXSwapIntervalEXT)
glXSwapIntervalEXT(display(), glxbuffer, interval);
glXSwapIntervalEXT(display(), glxDrawable, interval);
else if (glXSwapIntervalMESA)
glXSwapIntervalMESA(interval);
else if (glXSwapIntervalSGI)
@ -479,18 +479,18 @@ void GlxBackend::present()
if (fullRepaint) {
if (haveSwapInterval) {
glXSwapBuffers(display(), glxbuffer);
glXSwapBuffers(display(), glxDrawable);
startRenderTimer();
} else {
waitSync(); // calls startRenderTimer();
glXSwapBuffers(display(), glxbuffer);
glXSwapBuffers(display(), glxDrawable);
}
} else if (glXCopySubBuffer) {
waitSync();
foreach (const QRect & r, lastDamage().rects()) {
// convert to OpenGL coordinates
int y = displayHeight() - r.y() - r.height();
glXCopySubBuffer(display(), glxbuffer, r.x(), y, r.width(), r.height());
glXCopySubBuffer(display(), glxDrawable, r.x(), y, r.width(), r.height());
}
} else { // Copy Pixels
// if a shader is bound or the texture unit is enabled, copy pixels results in a black screen
@ -540,7 +540,7 @@ void GlxBackend::present()
} else {
glXWaitGL();
foreach (const QRect & r, lastDamage().rects())
XCopyArea(display(), buffer, rootWindow(), gcroot, r.x(), r.y(), r.width(), r.height(), r.x(), r.y());
XCopyArea(display(), drawable, rootWindow(), gcroot, r.x(), r.y(), r.width(), r.height(), r.x(), r.y());
}
setLastDamage(QRegion());
XFlush(display());
@ -550,20 +550,20 @@ void GlxBackend::screenGeometryChanged(const QSize &size)
{
if (overlayWindow()->window() == None) {
glXMakeCurrent(display(), None, NULL);
glXDestroyPixmap(display(), glxbuffer);
XFreePixmap(display(), buffer);
XVisualInfo* visual = glXGetVisualFromFBConfig(display(), fbcbuffer);
buffer = XCreatePixmap(display(), rootWindow(), size.width(), size.height(), visual->depth);
glXDestroyPixmap(display(), glxDrawable);
XFreePixmap(display(), drawable);
XVisualInfo* visual = glXGetVisualFromFBConfig(display(), fbconfig);
drawable = XCreatePixmap(display(), rootWindow(), size.width(), size.height(), visual->depth);
XFree(visual);
glxbuffer = glXCreatePixmap(display(), fbcbuffer, buffer, NULL);
glXMakeCurrent(display(), glxbuffer, ctxbuffer);
glxDrawable = glXCreatePixmap(display(), fbconfig, drawable, NULL);
glXMakeCurrent(display(), glxDrawable, ctx);
// TODO: there seems some bug, some clients become black until an eg. un/remap - could be a general pixmap buffer issue, though
} else {
glXMakeCurrent(display(), None, NULL); // deactivate context ////
XMoveResizeWindow(display(), buffer, 0,0, size.width(), size.height());
overlayWindow()->setup(buffer);
XMoveResizeWindow(display(), drawable, 0,0, size.width(), size.height());
overlayWindow()->setup(drawable);
XSync(display(), false); // ensure X11 stuff has applied ////
glXMakeCurrent(display(), glxbuffer, ctxbuffer); // reactivate context ////
glXMakeCurrent(display(), glxDrawable, ctx); // reactivate context ////
glViewport(0,0, size.width(), size.height()); // adjust viewport last - should btw. be superfluous on the Pixmap buffer - iirc glXCreatePixmap sets the context anyway. ////
}
}

12
glxbackend.h
View file

@ -60,13 +60,13 @@ private:
void setSwapInterval(int interval);
GC gcroot;
Drawable buffer;
GLXFBConfig fbcbuffer_db;
GLXFBConfig fbcbuffer_nondb;
Drawable drawable;
GLXFBConfig fbconfig_db;
GLXFBConfig fbconfig_nondb;
FBConfigInfo fbcdrawableinfo[ 32 + 1 ];
GLXFBConfig fbcbuffer;
GLXDrawable glxbuffer;
GLXContext ctxbuffer;
GLXFBConfig fbconfig;
GLXDrawable glxDrawable;
GLXContext ctx;
bool haveSwapInterval;
friend class GlxTexture;
};