static void
magOptionsChanged (CompScreen *s,
CompOption *opt,
MagScreenOptions num)
{
MAG_SCREEN (s);
magCleanup (s);
switch (magGetMode (s))
{
case ModeImageOverlay:
if (loadImages (s))
ms->mode = ModeImageOverlay;
else
ms->mode = ModeSimple;
break;
case ModeFisheye:
if (loadFragmentProgram (s))
ms->mode = ModeFisheye;
else
ms->mode = ModeSimple;
break;
default:
ms->mode = ModeSimple;
}
if (ms->zoom != 1.0)
damageScreen (s);
}
void
MagScreen::optionChanged (CompOption *opt,
MagOptions::Options num)
{
cleanup ();
switch (optionGetMode ())
{
case ModeImageOverlay:
if (loadImages ())
mode = MagOptions::ModeImageOverlay;
else
mode = MagOptions::ModeSimple;
break;
case MagOptions::ModeFisheye:
if (loadFragmentProgram ())
mode = MagOptions::ModeFisheye;
else
mode = MagOptions::ModeSimple;
break;
default:
mode = MagOptions::ModeSimple;
}
if (zoom != 1.0)
cScreen->damageScreen ();
}
bool ShaderTextureInterface::InitProgram() {
if (!loadVertexProgram("CG/shaderTexture.cg", "VertexMain")) return false;
if (!loadFragmentProgram("CG/shaderTexture.cg", "FragmentMain")) return false;
// build some parameters by name such that we can set them later...
vertexModelViewProj = cgGetNamedParameter(vertexProgram, "modelViewProj");
fragmentTex = cgGetNamedParameter(fragmentProgram, "tex");
return true;
}
static int loadWaterProgram(CompScreen * s)
{
char buffer[1024];
WATER_SCREEN(s);
if (ws->target == GL_TEXTURE_2D)
sprintf(buffer, waterFpString,
"2D", "2D",
1.0f / ws->width, 1.0f / ws->width,
1.0f / ws->height, 1.0f / ws->height,
"2D", "2D", "2D", "2D");
else
sprintf(buffer, waterFpString,
"RECT", "RECT",
1.0f, 1.0f, 1.0f, 1.0f, "RECT", "RECT", "RECT", "RECT");
return loadFragmentProgram(s, &ws->program, buffer);
}
/*
* Load filters from a list of files for current screen
*/
static int
loadFilters (CompScreen *s,
CompTexture *texture)
{
int i, target, loaded, function, count;
char *name;
CompWindow *w;
FILTER_SCREEN (s);
cfs->filtersLoaded = TRUE;
/* Fetch filters filenames */
const BananaValue *
option_filters = bananaGetOption (bananaIndex,
"filters",
s->screenNum);
count = option_filters->list.nItem;
/* The texture target that will be used for some ops */
if (texture->target == GL_TEXTURE_2D)
target = COMP_FETCH_TARGET_2D;
else
target = COMP_FETCH_TARGET_RECT;
/* Free previously loaded filters and malloc */
unloadFilters (s);
cfs->filtersFunctions = malloc (sizeof (int) * count);
if (!cfs->filtersFunctions)
return 0;
cfs->filtersCount = count;
/* Load each filter one by one */
loaded = 0;
for (i = 0; i < count; i++)
{
name = base_name (option_filters->list.item[i].s);
if (!name || !strlen (name))
{
if (name)
free (name);
cfs->filtersFunctions[i] = 0;
continue;
}
compLogMessage ("colorfilter", CompLogLevelInfo,
"Loading filter %s (item %s).", name,
option_filters->list.item[i].s);
function = loadFragmentProgram (option_filters->list.item[i].s, name, s, target);
free (name);
cfs->filtersFunctions[i] = function;
if (function)
loaded++;
}
/* Warn if there was at least one loading failure */
if (loaded < count)
compLogMessage ("colorfilter", CompLogLevelWarn,
"Tried to load %d filter(s), %d succeeded.",
count, loaded);
if (!loaded)
cfs->filtersCount = 0;
/* Damage currently filtered windows */
for (w = s->windows; w; w = w->next)
{
FILTER_WINDOW (w);
if (cfw->isFiltered)
addWindowDamage (w);
}
return loaded;
}
static Bool
magInitScreen (CompPlugin *p,
CompScreen *s)
{
MagScreen *ms;
MAG_DISPLAY (s->display);
ms = calloc (1, sizeof (MagScreen));
if (!ms)
return FALSE;
s->base.privates[md->screenPrivateIndex].ptr = ms;
WRAP (ms, s, paintScreen, magPaintScreen);
WRAP (ms, s, preparePaintScreen, magPreparePaintScreen);
WRAP (ms, s, donePaintScreen, magDonePaintScreen);
ms->zoom = 1.0;
ms->zVelocity = 0.0;
ms->zTarget = 1.0;
ms->pollHandle = 0;
glGenTextures (1, &ms->texture);
if (s->textureNonPowerOfTwo)
ms->target = GL_TEXTURE_2D;
else
ms->target = GL_TEXTURE_RECTANGLE_ARB;
glEnable (ms->target);
/* Bind the texture */
glBindTexture (ms->target, ms->texture);
/* Load the parameters */
glTexParameteri (ms->target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri (ms->target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri (ms->target, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri (ms->target, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexImage2D (ms->target, 0, GL_RGB, 0, 0, 0,
GL_RGB, GL_UNSIGNED_BYTE, NULL);
ms->width = 0;
ms->height = 0;
glBindTexture (ms->target, 0);
glDisable (ms->target);
initTexture (s, &ms->overlay.tex);
initTexture (s, &ms->mask.tex);
ms->overlay.loaded = FALSE;
ms->mask.loaded = FALSE;
ms->program = 0;
magSetOverlayNotify (s, magOptionsChanged);
magSetMaskNotify (s, magOptionsChanged);
magSetModeNotify (s, magOptionsChanged);
switch (magGetMode (s))
{
case ModeImageOverlay:
if (loadImages (s))
ms->mode = ModeImageOverlay;
else
ms->mode = ModeSimple;
break;
case ModeFisheye:
if (loadFragmentProgram (s))
ms->mode = ModeFisheye;
else
ms->mode = ModeSimple;
break;
default:
ms->mode = ModeSimple;
}
if (!s->fragmentProgram)
compLogMessage ("mag", CompLogLevelWarn,
"GL_ARB_fragment_program not supported. "
"Fisheye mode will not work.");
return TRUE;
}