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Compositor: Replace OSG camera resize function by own implementation

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This commit is contained in:
Fernando García Liñán 2021-07-29 08:38:18 +02:00
parent 7f4fb15636
commit df66decdda
2 changed files with 79 additions and 15 deletions
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86
simgear/scene/viewer/Compositor.cxx
View File

@ -18,8 +18,14 @@
#include <algorithm>
#include <osg/Texture1D>
#include <osg/Texture2D>
#include <osg/Texture2DArray>
#include <osg/Texture2DMultisample>
#include <osg/Texture3D>
#include <osg/TextureRectangle>
#include <osg/TextureCubeMap>
#include <osgUtil/IntersectionVisitor>
#include <osgViewer/Renderer>
#include <osgViewer/Viewer>
@ -251,14 +257,78 @@ Compositor::resized()
// viewport size.
for (const auto &pass : _passes) {
osg::Camera *camera = pass->camera;
if (!camera->isRenderToTextureCamera() ||
pass->viewport_width_scale == 0.0f ||
pass->viewport_height_scale == 0.0f)
continue;
if (camera && camera->isRenderToTextureCamera()
&& pass->viewport_width_scale != 0.0f
&& pass->viewport_height_scale != 0.0f) {
// Resize both the viewport and its texture attachments
camera->resize(pass->viewport_width_scale * _viewport->width(),
pass->viewport_height_scale * _viewport->height());
// Resize the viewport
camera->setViewport(0, 0,
pass->viewport_width_scale * _viewport->width(),
pass->viewport_height_scale * _viewport->height());
// Force the OSG rendering backend to handle the new sizes
camera->dirtyAttachmentMap();
}
}
// Resize buffers that must be a multiple of the screen size
for (const auto &buffer : _buffers) {
osg::Texture *texture = buffer.second->texture;
if (texture
&& buffer.second->width_scale != 0.0f
&& buffer.second->height_scale != 0.0f) {
int width = buffer.second->width_scale * _viewport->width();
int height = buffer.second->height_scale * _viewport->height();
{
auto tex = dynamic_cast<osg::Texture1D *>(texture);
if (tex) {
tex->setTextureWidth(width);
tex->dirtyTextureObject();
}
}
{
auto tex = dynamic_cast<osg::Texture2D *>(texture);
if (tex) {
tex->setTextureSize(width, height);
tex->dirtyTextureObject();
}
}
{
auto tex = dynamic_cast<osg::Texture2DArray *>(texture);
if (tex) {
tex->setTextureSize(width, height, tex->getTextureDepth());
tex->dirtyTextureObject();
}
}
{
auto tex = dynamic_cast<osg::Texture2DMultisample *>(texture);
if (tex) {
tex->setTextureSize(width, height);
tex->dirtyTextureObject();
}
}
{
auto tex = dynamic_cast<osg::Texture3D *>(texture);
if (tex) {
tex->setTextureSize(width, height, tex->getTextureDepth());
tex->dirtyTextureObject();
}
}
{
auto tex = dynamic_cast<osg::TextureRectangle *>(texture);
if (tex) {
tex->setTextureSize(width, height);
tex->dirtyTextureObject();
}
}
{
auto tex = dynamic_cast<osg::TextureCubeMap *>(texture);
if (tex) {
tex->setTextureSize(width, height);
tex->dirtyTextureObject();
}
}
}
}
}

8
simgear/scene/viewer/CompositorPass.cxx
View File

@ -395,9 +395,7 @@ public:
camera->setProjectionMatrix(osg::Matrix::ortho2D(0, 1, 0, 1));
// Do not automatically add a depth renderbuffer
camera->setImplicitBufferAttachmentMask(
osg::DisplaySettings::IMPLICIT_COLOR_BUFFER_ATTACHMENT,
osg::DisplaySettings::IMPLICIT_COLOR_BUFFER_ATTACHMENT);
camera->setImplicitBufferAttachmentMask(0, 0);
float left = 0.0f, bottom = 0.0f, width = 1.0f, height = 1.0f, scale = 1.0f;
const SGPropertyNode *p_geometry = root->getNode("geometry");
@ -432,10 +430,6 @@ public:
for (const auto &uniform : compositor->getUniforms())
ss->addUniform(uniform);
int cubemap_face = root->getIntValue("cubemap-face", -1);
if (cubemap_face >= 0)
ss->addUniform(new osg::Uniform("fg_CubemapFace", cubemap_face));
return pass.release();
}
protected: