void ClientOSRenderer::OnPaint(CefRefPtr<CefBrowser> browser,
CefRenderHandler::PaintElementType type,
const CefRenderHandler::RectList& dirtyRects,
const void* buffer, int width, int height) {
if (!initialized_)
Initialize();
if (transparent_) {
// Enable alpha blending.
glEnable(GL_BLEND); VERIFY_NO_ERROR;
}
// Enable 2D textures.
glEnable(GL_TEXTURE_2D); VERIFY_NO_ERROR;
DCHECK_NE(texture_id_, 0U);
glBindTexture(GL_TEXTURE_2D, texture_id_); VERIFY_NO_ERROR;
if (type == PET_VIEW) {
int old_width = view_width_;
int old_height = view_height_;
view_width_ = width;
view_height_ = height;
{
int linebyte = (((width << 5) + 31) >> 5) << 2;
int lineInval = 4 - ((width << 5) >> 3) & 3;
}
if (show_update_rect_)
update_rect_ = dirtyRects[0];
glPixelStorei(GL_UNPACK_ROW_LENGTH, view_width_); VERIFY_NO_ERROR;
if (old_width != view_width_ || old_height != view_height_ ||
(dirtyRects.size() == 1 &&
dirtyRects[0] == CefRect(0, 0, view_width_, view_height_))) {
// Update/resize the whole texture.
glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0); VERIFY_NO_ERROR;
glPixelStorei(GL_UNPACK_SKIP_ROWS, 0); VERIFY_NO_ERROR;
test32Bmp(buffer, width, height);
glTexImage2D(
GL_TEXTURE_2D, 0, GL_RGBA, view_width_, view_height_, 0,
GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, buffer); VERIFY_NO_ERROR;
} else {
// Update just the dirty rectangles.
CefRenderHandler::RectList::const_iterator i = dirtyRects.begin();
for (; i != dirtyRects.end(); ++i) {
const CefRect& rect = *i;
glPixelStorei(GL_UNPACK_SKIP_PIXELS, rect.x); VERIFY_NO_ERROR;
glPixelStorei(GL_UNPACK_SKIP_ROWS, rect.y); VERIFY_NO_ERROR;
test32Bmp(buffer, width, height);
glTexSubImage2D(GL_TEXTURE_2D, 0, rect.x, rect.y, rect.width,
rect.height, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV,
buffer); VERIFY_NO_ERROR;
}
}
} else if (type == PET_POPUP && popup_rect_.width > 0 &&
void ClientOSRenderer::OnPaint(CefRefPtr<CefBrowser> browser,
CefRenderHandler::PaintElementType type,
const CefRenderHandler::RectList& dirtyRects,
const void* buffer, int width, int height) {
if (!initialized_)
Initialize();
if (transparent_) {
// Enable alpha blending.
glEnable(GL_BLEND);
}
// Enable 2D textures.
glEnable(GL_TEXTURE_2D);
ASSERT(texture_id_ != 0);
glBindTexture(GL_TEXTURE_2D, texture_id_);
if (type == PET_VIEW) {
int old_width = view_width_;
int old_height = view_height_;
view_width_ = width;
view_height_ = height;
glPixelStorei(GL_UNPACK_ROW_LENGTH, view_width_);
if (old_width != view_width_ || old_height != view_height_) {
// Update/resize the whole texture.
glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, view_width_, view_height_, 0,
GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, buffer);
} else {
// Update just the dirty rectangles.
CefRenderHandler::RectList::const_iterator i = dirtyRects.begin();
for (; i != dirtyRects.end(); ++i) {
const CefRect& rect = *i;
glPixelStorei(GL_UNPACK_SKIP_PIXELS, rect.x);
glPixelStorei(GL_UNPACK_SKIP_ROWS, rect.y);
glTexSubImage2D(GL_TEXTURE_2D, 0, rect.x, rect.y, rect.width,
rect.height, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV,
buffer);
}
}
} else if (type == PET_POPUP && popup_rect_.width > 0 &&
popup_rect_.height > 0) {
int skip_pixels = 0, x = popup_rect_.x;
int skip_rows = 0, y = popup_rect_.y;
int w = width;
int h = height;
// Adjust the popup to fit inside the view.
if (x < 0) {
skip_pixels = -x;
x = 0;
}
if (y < 0) {
skip_rows = -y;
y = 0;
}
if (x + w > view_width_)
w -= x + w - view_width_;
if (y + h > view_height_)
h -= y + h - view_height_;
// Update the popup rectangle.
glPixelStorei(GL_UNPACK_ROW_LENGTH, width);
glPixelStorei(GL_UNPACK_SKIP_PIXELS, skip_pixels);
glPixelStorei(GL_UNPACK_SKIP_ROWS, skip_rows);
glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, w, h, GL_BGRA,
GL_UNSIGNED_INT_8_8_8_8_REV, buffer);
}
// Disable 2D textures.
glDisable(GL_TEXTURE_2D);
if (transparent_) {
// Disable alpha blending.
glDisable(GL_BLEND);
}
}