bool
GLScreen::glPaintOutput (const GLScreenPaintAttrib &sAttrib,
const GLMatrix &transform,
const CompRegion ®ion,
CompOutput *output,
unsigned int mask)
{
WRAPABLE_HND_FUNCTN_RETURN (bool, glPaintOutput, sAttrib, transform,
region, output, mask)
GLMatrix sTransform = transform;
if (mask & PAINT_SCREEN_REGION_MASK)
{
if (mask & PAINT_SCREEN_TRANSFORMED_MASK)
{
if (mask & PAINT_SCREEN_FULL_MASK)
{
glPaintTransformedOutput (sAttrib, sTransform,
CompRegion (*output), output, mask);
return true;
}
return false;
}
setLighting (false);
sTransform.toScreenSpace (output, -DEFAULT_Z_CAMERA);
/*
* Sometimes region might be empty but we still need to force the
* repaint. This can happen when a fullscreen window is unredirected,
* and damageScreen is called. CompositeScreen::handlePaintTimeout
* then subtracts the whole screen of damage because it's an overlay
* and we're left with an empty damage region.
* Even when this happens we may want to force the repaint if
* windows are getting transformed (and so the unredirected window
* needs to be redirected again).
*/
if (!region.isEmpty () ||
(mask & PAINT_SCREEN_FULL_MASK) ||
(mask & PAINT_SCREEN_WITH_TRANSFORMED_WINDOWS_MASK))
priv->paintOutputRegion (sTransform, region, output, mask);
return true;
}
else if (mask & PAINT_SCREEN_FULL_MASK)
{
glPaintTransformedOutput (sAttrib, sTransform, CompRegion (*output),
output, mask);
return true;
}
else
{
return false;
}
}
bool
ShowrepaintScreen::glPaintOutput (const GLScreenPaintAttrib &attrib,
const GLMatrix &transform,
const CompRegion ®ion,
CompOutput *output,
unsigned int mask)
{
bool status;
GLMatrix sTransform; // initially identity matrix
unsigned short color[4];
status = gScreen->glPaintOutput (attrib, transform, region, output, mask);
tmpRegion = region.intersected (*output);
if (tmpRegion.isEmpty ())
return status;
sTransform.toScreenSpace (output, -DEFAULT_Z_CAMERA);
color[3] = optionGetIntensity () * 0xffff / 100;
color[0] = (rand () & 7) * color[3] / 8;
color[1] = (rand () & 7) * color[3] / 8;
color[2] = (rand () & 7) * color[3] / 8;
glColor4usv (color);
glPushMatrix ();
glLoadMatrixf (sTransform.getMatrix ());
glEnable (GL_BLEND);
glBegin (GL_QUADS);
foreach (const CompRect &box, tmpRegion.rects ())
{
glVertex2i (box.x1 (), box.y1 ());
glVertex2i (box.x1 (), box.y2 ());
glVertex2i (box.x2 (), box.y2 ());
glVertex2i (box.x2 (), box.y1 ());
}
glEnd ();
glDisable (GL_BLEND);
glPopMatrix();
glColor4usv (defaultColor);
return status;
}
bool
WSNamesScreen::glPaintOutput (const GLScreenPaintAttrib &attrib,
const GLMatrix &transform,
const CompRegion ®ion,
CompOutput *output,
unsigned int mask)
{
bool status;
status = gScreen->glPaintOutput (attrib, transform, region, output, mask);
if (textData.getWidth () && textData.getHeight ())
{
GLMatrix sTransform (transform);
sTransform.toScreenSpace (output, -DEFAULT_Z_CAMERA);
drawText (sTransform);
}
return status;
}
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 ();
}
void
GLScreen::glPaintTransformedOutput (const GLScreenPaintAttrib &sAttrib,
const GLMatrix &transform,
const CompRegion ®ion,
CompOutput *output,
unsigned int mask)
{
WRAPABLE_HND_FUNCTN (glPaintTransformedOutput, sAttrib, transform,
region, output, mask)
GLMatrix sTransform = transform;
if (mask & PAINT_SCREEN_CLEAR_MASK)
clearTargetOutput (GL_COLOR_BUFFER_BIT);
setLighting (true);
glApplyTransform (sAttrib, output, &sTransform);
if ((mask & CLIP_PLANE_MASK) == CLIP_PLANE_MASK)
{
if (transformIsSimple (sTransform))
{
glEnableOutputClipping (sTransform, region, output);
sTransform.toScreenSpace (output, -sAttrib.zTranslate);
priv->paintOutputRegion (sTransform, region, output, mask);
glDisableOutputClipping ();
}
else if ( (GL::fboEnabled && GL::fboStencilSupported) ||
GL::stencilBuffer )
{
sTransform.toScreenSpace (output, -sAttrib.zTranslate);
glClearStencil (0);
glClear (GL_STENCIL_BUFFER_BIT);
glEnable (GL_STENCIL_TEST);
glStencilFunc (GL_ALWAYS, 1, 1);
glStencilOp (GL_KEEP, GL_KEEP, GL_REPLACE);
GLVertexBuffer vb;
vb.setAutoProgram (priv->autoProgram);
glBufferStencil (sTransform, vb, output);
glColorMask (GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
glStencilMask (1);
vb.render (sTransform);
glColorMask (GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
glStencilFunc (GL_EQUAL, 1, 1);
glStencilOp (GL_KEEP, GL_KEEP, GL_KEEP);
priv->paintOutputRegion (sTransform, region, output, mask);
glDisable (GL_STENCIL_TEST);
}
else
{
// This won't look quite right but should never happen.
// Give a warning?
sTransform.toScreenSpace (output, -sAttrib.zTranslate);
priv->paintOutputRegion (sTransform, region, output, mask);
}
}
else
{
sTransform.toScreenSpace (output, -sAttrib.zTranslate);
priv->paintOutputRegion (sTransform, region, output, mask);
}
}
void
ResizeScreen::glPaintRectangle (const GLScreenPaintAttrib &sAttrib,
const GLMatrix &transform,
CompOutput *output,
unsigned short *borderColor,
unsigned short *fillColor)
{
GLVertexBuffer *streamingBuffer = GLVertexBuffer::streamingBuffer ();
BoxRec box;
GLMatrix sTransform (transform);
GLfloat vertexData [12];
GLfloat vertexData2[24];
GLint origSrc, origDst;
GLushort fc[4], bc[4];
#ifdef USE_GLES
GLint origSrcAlpha, origDstAlpha;
glGetIntegerv (GL_BLEND_SRC_RGB, &origSrc);
glGetIntegerv (GL_BLEND_DST_RGB, &origDst);
glGetIntegerv (GL_BLEND_SRC_ALPHA, &origSrcAlpha);
glGetIntegerv (GL_BLEND_DST_ALPHA, &origDstAlpha);
#else
glGetIntegerv (GL_BLEND_SRC, &origSrc);
glGetIntegerv (GL_BLEND_DST, &origDst);
#endif
/* Premultiply the alpha values */
bc[3] = (float) borderColor[3] / (float) 65535.0f;
bc[0] = ((float) borderColor[0] / 65535.0f) * bc[3];
bc[1] = ((float) borderColor[1] / 65535.0f) * bc[3];
bc[2] = ((float) borderColor[2] / 65535.0f) * bc[3];
logic.getPaintRectangle (&box);
vertexData[0] = box.x1;
vertexData[1] = box.y1;
vertexData[2] = 0.0f;
vertexData[3] = box.x1;
vertexData[4] = box.y2;
vertexData[5] = 0.0f;
vertexData[6] = box.x2;
vertexData[7] = box.y1;
vertexData[8] = 0.0f;
vertexData[9] = box.x2;
vertexData[10] = box.y2;
vertexData[11] = 0.0f;
// FIXME: this is a quick work-around.
// GL_LINE_LOOP and GL_LINE_STRIP primitive types in the SGX Pvr X11 driver
// take special number of vertices (and reorder them). Thus, usage of
// those line primitive is currently not supported by our GLVertexBuffer
// implementation. This is a quick workaround to make it all work until
// we come up with a better GLVertexBuffer::render(...) function.
vertexData2[0] = box.x1;
vertexData2[1] = box.y1;
vertexData2[2] = 0.0f;
vertexData2[3] = box.x1;
vertexData2[4] = box.y2;
vertexData2[5] = 0.0f;
vertexData2[6] = box.x1;
vertexData2[7] = box.y2;
vertexData2[8] = 0.0f;
vertexData2[9] = box.x2;
vertexData2[10] = box.y2;
vertexData2[11] = 0.0f;
vertexData2[12] = box.x2;
vertexData2[13] = box.y2;
vertexData2[14] = 0.0f;
vertexData2[15] = box.x2;
vertexData2[16] = box.y1;
vertexData2[17] = 0.0f;
vertexData2[18] = box.x2;
vertexData2[19] = box.y1;
vertexData2[20] = 0.0f;
vertexData2[21] = box.x1;
vertexData2[22] = box.y1;
vertexData2[23] = 0.0f;
sTransform.toScreenSpace (output, -DEFAULT_Z_CAMERA);
glEnable (GL_BLEND);
glBlendFunc (GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
/* fill rectangle */
if (fillColor)
{
fc[3] = fillColor[3];
fc[0] = fillColor[0] * (unsigned long)fc[3] / 65535;
fc[1] = fillColor[1] * (unsigned long)fc[3] / 65535;
fc[2] = fillColor[2] * (unsigned long)fc[3] / 65535;
streamingBuffer->begin (GL_TRIANGLE_STRIP);
streamingBuffer->addColors (1, fc);
streamingBuffer->addVertices (4, &vertexData[0]);
streamingBuffer->end ();
streamingBuffer->render (sTransform);
}
/* draw outline */
static const int borderWidth = 2;
glLineWidth (borderWidth);
streamingBuffer->begin (GL_LINES);
streamingBuffer->addColors (1, borderColor);
streamingBuffer->addVertices (8, &vertexData2[0]);
streamingBuffer->end ();
streamingBuffer->render (sTransform);
glDisable (GL_BLEND);
#ifdef USE_GLES
glBlendFuncSeparate (origSrc, origDst,
origSrcAlpha, origDstAlpha);
#else
glBlendFunc (origSrc, origDst);
#endif
CompositeScreen *cScreen = CompositeScreen::get (screen);
CompRect damage (box.x1 - borderWidth,
box.y1 - borderWidth,
box.x2 - box.x1 + 2 * borderWidth,
box.y2 - box.y1 + 2 * borderWidth);
cScreen->damageRegion (damage);
}
bool
FireScreen::glPaintOutput (const GLScreenPaintAttrib &attrib,
const GLMatrix &transform,
const CompRegion ®ion,
CompOutput *output,
unsigned int mask)
{
bool status = gScreen->glPaintOutput (attrib, transform, region, output, mask);
if ((!init && ps.active) || brightness < 1.0)
{
GLMatrix sTransform = transform;
sTransform.toScreenSpace (output, -DEFAULT_Z_CAMERA);
if (brightness < 1.0)
{
/* cover the screen with a rectangle and darken it
* (coded as two GL_TRIANGLES for GLES compatibility)
*/
GLfloat vertices[18];
GLushort colors[24];
vertices[0] = (GLfloat)output->region ()->extents.x1;
vertices[1] = (GLfloat)output->region ()->extents.y1;
vertices[2] = 0.0f;
vertices[3] = (GLfloat)output->region ()->extents.x1;
vertices[4] = (GLfloat)output->region ()->extents.y2;
vertices[5] = 0.0f;
vertices[6] = (GLfloat)output->region ()->extents.x2;
vertices[7] = (GLfloat)output->region ()->extents.y2;
vertices[8] = 0.0f;
vertices[9] = (GLfloat)output->region ()->extents.x2;
vertices[10] = (GLfloat)output->region ()->extents.y2;
vertices[11] = 0.0f;
vertices[12] = (GLfloat)output->region ()->extents.x2;
vertices[13] = (GLfloat)output->region ()->extents.y1;
vertices[14] = 0.0f;
vertices[15] = (GLfloat)output->region ()->extents.x1;
vertices[16] = (GLfloat)output->region ()->extents.y1;
vertices[17] = 0.0f;
for (int i = 0; i <= 5; ++i)
{
colors[i*4+0] = 0;
colors[i*4+1] = 0;
colors[i*4+2] = 0;
colors[i*4+3] = (1.0 - brightness) * 65535.0f;
}
GLVertexBuffer *stream = GLVertexBuffer::streamingBuffer ();
GLboolean glBlendEnabled = glIsEnabled (GL_BLEND);
if (!glBlendEnabled)
glEnable (GL_BLEND);
stream->begin (GL_TRIANGLES);
stream->addVertices (6, vertices);
stream->addColors (6, colors);
if (stream->end ())
stream->render (sTransform);
/* only disable blending if it was already disabled */
if (!glBlendEnabled)
glDisable (GL_BLEND);
}
if (!init && ps.active)
ps.drawParticles (sTransform);
}
return status;
}
bool
ShowrepaintScreen::glPaintOutput (const GLScreenPaintAttrib &attrib,
const GLMatrix &transform,
const CompRegion ®ion,
CompOutput *output,
unsigned int mask)
{
bool status;
GLMatrix sTransform; // initially identity matrix
unsigned short color[4];
status = gScreen->glPaintOutput (attrib, transform, region, output, mask);
tmpRegion = region.intersected (*output);
if (tmpRegion.isEmpty ())
return status;
sTransform.toScreenSpace (output, -DEFAULT_Z_CAMERA);
color[3] = optionGetIntensity () * 0xffff / 100;
color[0] = (rand () & 7) * color[3] / 8;
color[1] = (rand () & 7) * color[3] / 8;
color[2] = (rand () & 7) * color[3] / 8;
GLboolean glBlendEnabled = glIsEnabled (GL_BLEND);
if (!glBlendEnabled)
glEnable (GL_BLEND);
std::vector<GLfloat> vertices;
/* for each rectangle, use two triangles to display it */
foreach (const CompRect &box, tmpRegion.rects ())
{
//first triangle
vertices.push_back (box.x1 ());
vertices.push_back (box.y1 ());
vertices.push_back (0.0f);
vertices.push_back (box.x1 ());
vertices.push_back (box.y2 ());
vertices.push_back (0.0f);
vertices.push_back (box.x2 ());
vertices.push_back (box.y2 ());
vertices.push_back (0.0f);
//second triangle
vertices.push_back (box.x2 ());
vertices.push_back (box.y2 ());
vertices.push_back (0.0f);
vertices.push_back (box.x2 ());
vertices.push_back (box.y1 ());
vertices.push_back (0.0f);
vertices.push_back (box.x1 ());
vertices.push_back (box.y1 ());
vertices.push_back (0.0f);
}
GLVertexBuffer *stream = GLVertexBuffer::streamingBuffer ();
stream->begin (GL_TRIANGLES);
stream->color4f ((float)color[0] / 65535.0f, (float)color[1] / 65535.0f, (float)color[2] / 65535.0f, (float)color[3] / 65535.0f);
stream->addVertices (vertices.size () / 3, &vertices[0]);
if (stream->end ())
stream->render (sTransform);
stream->colorDefault ();
/* only disable blending if it was disabled before */
if (!glBlendEnabled)
glDisable (GL_BLEND);
return status;
}