CompRegion
CompRegion::xored (const CompRegion &r) const
{
CompRegion rv;
rv.priv->makeReal ();
XXorRegion (handle (), r.handle (), rv.handle ());
return rv;
}
CompRegion
CompRegion::united (const CompRegion &r) const
{
CompRegion rv;
rv.priv->makeReal ();
XUnionRegion (handle (), r.handle (), rv.handle ());
return rv;
}
CompRegion
CompRegion::subtracted (const CompRegion &r) const
{
CompRegion rv;
rv.priv->makeReal ();
XSubtractRegion (handle (), r.handle (), rv.handle ());
return rv;
}
CompRegion
CompRegion::intersected (const CompRect &r) const
{
CompRegion reg (r);
reg.priv->makeReal ();
XIntersectRegion (reg.handle (), handle (), reg.handle ());
return reg;
}
void
GLWindow::glAddGeometry (const GLTexture::MatrixList &matrix,
const CompRegion ®ion,
const CompRegion &clip,
unsigned int maxGridWidth,
unsigned int maxGridHeight)
{
WRAPABLE_HND_FUNCTN (glAddGeometry, matrix, region, clip)
BoxRec full;
int nMatrix = matrix.size ();
full = clip.handle ()->extents;
if (region.handle ()->extents.x1 > full.x1)
full.x1 = region.handle ()->extents.x1;
if (region.handle ()->extents.y1 > full.y1)
full.y1 = region.handle ()->extents.y1;
if (region.handle ()->extents.x2 < full.x2)
full.x2 = region.handle ()->extents.x2;
if (region.handle ()->extents.y2 < full.y2)
full.y2 = region.handle ()->extents.y2;
if (full.x1 < full.x2 && full.y1 < full.y2)
{
BoxPtr pBox;
int nBox;
BoxPtr pClip;
int nClip;
BoxRec cbox;
int it, x1, y1, x2, y2;
bool rect = true;
for (it = 0; it < nMatrix; it++)
{
if (matrix[it].xy != 0.0f || matrix[it].yx != 0.0f)
{
rect = false;
break;
}
}
pBox = const_cast <Region> (region.handle ())->rects;
nBox = const_cast <Region> (region.handle ())->numRects;
while (nBox--)
{
x1 = pBox->x1;
y1 = pBox->y1;
x2 = pBox->x2;
y2 = pBox->y2;
pBox++;
if (x1 < full.x1)
x1 = full.x1;
if (y1 < full.y1)
y1 = full.y1;
if (x2 > full.x2)
x2 = full.x2;
if (y2 > full.y2)
y2 = full.y2;
if (x1 < x2 && y1 < y2)
{
nClip = const_cast <Region> (clip.handle ())->numRects;
if (nClip == 1)
{
addQuads (priv->vertexBuffer, matrix, nMatrix,
x1, y1, x2, y2,
rect,
maxGridWidth, maxGridHeight);
}
else
{
pClip = const_cast <Region> (clip.handle ())->rects;
while (nClip--)
{
cbox = *pClip;
pClip++;
if (cbox.x1 < x1)
cbox.x1 = x1;
if (cbox.y1 < y1)
cbox.y1 = y1;
if (cbox.x2 > x2)
cbox.x2 = x2;
if (cbox.y2 > y2)
cbox.y2 = y2;
if (cbox.x1 < cbox.x2 && cbox.y1 < cbox.y2)
{
addQuads (priv->vertexBuffer, matrix, nMatrix,
cbox.x1, cbox.y1, cbox.x2, cbox.y2,
rect,
maxGridWidth, maxGridHeight);
}
}
}
}
}
}
}
void
PrivateGLScreen::paintBackground (const GLMatrix &transform,
const CompRegion ®ion,
bool transformed)
{
GLVertexBuffer *streamingBuffer = GLVertexBuffer::streamingBuffer ();
GLfloat vertexData[18];
GLushort colorData[4];
BoxPtr pBox = const_cast <Region> (region.handle ())->rects;
int n, nBox = const_cast <Region> (region.handle ())->numRects;
if (!nBox)
return;
if (screen->desktopWindowCount ())
{
if (!backgroundTextures.empty ())
{
backgroundTextures.clear ();
}
backgroundLoaded = false;
return;
}
else
{
if (!backgroundLoaded)
updateScreenBackground ();
backgroundLoaded = true;
}
if (backgroundTextures.empty ())
{
streamingBuffer->begin (GL_TRIANGLES);
n = nBox;
while (n--)
{
vertexData[0] = pBox->x1;
vertexData[1] = pBox->y1;
vertexData[2] = 0.0f;
vertexData[3] = pBox->x1;
vertexData[4] = pBox->y2;
vertexData[5] = 0.0f;
vertexData[6] = pBox->x2;
vertexData[7] = pBox->y1;
vertexData[8] = 0.0f;
vertexData[9] = pBox->x1;
vertexData[10] = pBox->y2;
vertexData[11] = 0.0f;
vertexData[12] = pBox->x2;
vertexData[13] = pBox->y2;
vertexData[14] = 0.0f;
vertexData[15] = pBox->x2;
vertexData[16] = pBox->y1;
vertexData[17] = 0.0f;
streamingBuffer->addVertices (6, vertexData);
pBox++;
}
colorData[0] = colorData[1] = colorData[2] = 0;
colorData[3] = std::numeric_limits <unsigned short>::max ();
streamingBuffer->addColors (1, colorData);
streamingBuffer->end ();
streamingBuffer->render (transform);
}
else
{
n = nBox;
for (unsigned int i = 0; i < backgroundTextures.size (); i++)
{
GLfloat textureData[12];
GLTexture *bg = backgroundTextures[i];
CompRegion r = region & *bg;
pBox = const_cast <Region> (r.handle ())->rects;
nBox = const_cast <Region> (r.handle ())->numRects;
n = nBox;
streamingBuffer->begin (GL_TRIANGLES);
while (n--)
{
GLfloat tx1 = COMP_TEX_COORD_X (bg->matrix (), pBox->x1);
GLfloat tx2 = COMP_TEX_COORD_X (bg->matrix (), pBox->x2);
GLfloat ty1 = COMP_TEX_COORD_Y (bg->matrix (), pBox->y1);
GLfloat ty2 = COMP_TEX_COORD_Y (bg->matrix (), pBox->y2);
vertexData[0] = pBox->x1;
vertexData[1] = pBox->y1;
vertexData[2] = 0.0f;
vertexData[3] = pBox->x1;
vertexData[4] = pBox->y2;
vertexData[5] = 0.0f;
vertexData[6] = pBox->x2;
vertexData[7] = pBox->y1;
vertexData[8] = 0.0f;
vertexData[9] = pBox->x1;
vertexData[10] = pBox->y2;
vertexData[11] = 0.0f;
vertexData[12] = pBox->x2;
vertexData[13] = pBox->y2;
vertexData[14] = 0.0f;
vertexData[15] = pBox->x2;
vertexData[16] = pBox->y1;
vertexData[17] = 0.0f;
textureData[0] = tx1;
textureData[1] = ty1;
textureData[2] = tx1;
textureData[3] = ty2;
textureData[4] = tx2;
textureData[5] = ty1;
textureData[6] = tx1;
textureData[7] = ty2;
textureData[8] = tx2;
textureData[9] = ty2;
textureData[10] = tx2;
textureData[11] = ty1;
streamingBuffer->addVertices (6, vertexData);
streamingBuffer->addTexCoords (0, 6, textureData);
pBox++;
}
streamingBuffer->end ();
if (bg->name ())
{
if (transformed)
bg->enable (GLTexture::Good);
else
bg->enable (GLTexture::Fast);
streamingBuffer->render (transform);
bg->disable ();
}
}
}
}
void
GLScreen::glPaintCompositedOutput (const CompRegion ®ion,
GLFramebufferObject *fbo,
unsigned int mask)
{
WRAPABLE_HND_FUNCTN (glPaintCompositedOutput, region, fbo, mask)
GLMatrix sTransform;
const GLTexture::Matrix & texmatrix = fbo->tex ()->matrix ();
GLVertexBuffer *streamingBuffer = GLVertexBuffer::streamingBuffer ();
streamingBuffer->begin (GL_TRIANGLES);
if (mask & COMPOSITE_SCREEN_DAMAGE_ALL_MASK)
{
GLfloat tx1 = COMP_TEX_COORD_X (texmatrix, 0.0f);
GLfloat tx2 = COMP_TEX_COORD_X (texmatrix, screen->width ());
GLfloat ty1 = 1.0 - COMP_TEX_COORD_Y (texmatrix, 0.0f);
GLfloat ty2 = 1.0 - COMP_TEX_COORD_Y (texmatrix, screen->height ());
const GLfloat vertexData[] = {
0.0f, 0.0f, 0.0f,
0.0f, (float)screen->height (), 0.0f,
(float)screen->width (), 0.0f, 0.0f,
0.0f, (float)screen->height (), 0.0f,
(float)screen->width (), (float)screen->height (), 0.0f,
(float)screen->width (), 0.0f, 0.0f,
};
const GLfloat textureData[] = {
tx1, ty1,
tx1, ty2,
tx2, ty1,
tx1, ty2,
tx2, ty2,
tx2, ty1,
};
streamingBuffer->addVertices (6, &vertexData[0]);
streamingBuffer->addTexCoords (0, 6, &textureData[0]);
}
else
{
BoxPtr pBox = const_cast <Region> (region.handle ())->rects;
int nBox = const_cast <Region> (region.handle ())->numRects;
while (nBox--)
{
GLfloat tx1 = COMP_TEX_COORD_X (texmatrix, pBox->x1);
GLfloat tx2 = COMP_TEX_COORD_X (texmatrix, pBox->x2);
GLfloat ty1 = 1.0 - COMP_TEX_COORD_Y (texmatrix, pBox->y1);
GLfloat ty2 = 1.0 - COMP_TEX_COORD_Y (texmatrix, pBox->y2);
const GLfloat vertexData[] = {
(float)pBox->x1, (float)pBox->y1, 0.0f,
(float)pBox->x1, (float)pBox->y2, 0.0f,
(float)pBox->x2, (float)pBox->y1, 0.0f,
(float)pBox->x1, (float)pBox->y2, 0.0f,
(float)pBox->x2, (float)pBox->y2, 0.0f,
(float)pBox->x2, (float)pBox->y1, 0.0f,
};
const GLfloat textureData[] = {
tx1, ty1,
tx1, ty2,
tx2, ty1,
tx1, ty2,
tx2, ty2,
tx2, ty1,
};
streamingBuffer->addVertices (6, &vertexData[0]);
streamingBuffer->addTexCoords (0, 6, &textureData[0]);
pBox++;
}
}
streamingBuffer->end ();
fbo->tex ()->enable (GLTexture::Fast);
sTransform.toScreenSpace (&screen->fullscreenOutput (), -DEFAULT_Z_CAMERA);
streamingBuffer->render (sTransform);
fbo->tex ()->disable ();
}
bool
CompRegion::operator== (const CompRegion &c) const
{
return XEqualRegion (handle (), c.handle ());
}
