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Add simple conditions (no opengl related tests) to buffers, stages and attachments

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This commit is contained in:
Frederic Bouvier 2012-05-12 00:14:36 +02:00
parent b1f098d959
commit bb16463d63
4 changed files with 111 additions and 32 deletions
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3
src/Viewer/CameraGroup.cxx
View file

@ -32,7 +32,6 @@
#include <simgear/structure/OSGVersion.hxx>
#include <simgear/scene/material/EffectCullVisitor.hxx>
#include <simgear/scene/util/RenderConstants.hxx>
#include <simgear/scene/tgdb/userdata.hxx>
#include <algorithm>
#include <cstring>
@ -1036,8 +1035,6 @@ CameraInfo* CameraGroup::buildGUICamera(SGPropertyNode* cameraNode,
CameraGroup* CameraGroup::buildCameraGroup(osgViewer::Viewer* viewer,
SGPropertyNode* gnode)
{
sgUserDataInit( globals->get_props() );
CameraGroup* cgroup = new CameraGroup(viewer);
for (int i = 0; i < gnode->nChildren(); ++i) {
SGPropertyNode* pNode = gnode->getChild(i);

49
src/Viewer/renderer.cxx
View file

@ -79,6 +79,7 @@
#include <simgear/scene/util/SGSceneUserData.hxx>
#include <simgear/scene/tgdb/GroundLightManager.hxx>
#include <simgear/scene/tgdb/pt_lights.hxx>
#include <simgear/scene/tgdb/userdata.hxx>
#include <simgear/structure/OSGUtils.hxx>
#include <simgear/props/props.hxx>
#include <simgear/timing/sg_time.hxx>
@ -502,6 +503,8 @@ public:
void
FGRenderer::init( void )
{
sgUserDataInit( globals->get_props() );
_classicalRenderer = !fgGetBool("/sim/rendering/rembrandt/enabled", false);
_shadowMapSize = fgGetInt( "/sim/rendering/shadows/map-size", 4096 );
fgAddChangeListener( new ShadowMapSizeListener, "/sim/rendering/shadows/map-size" );
@ -822,6 +825,13 @@ osg::Camera* FGRenderer::buildDefaultDeferredGeometryCamera( CameraInfo* info, o
return buildDeferredGeometryCamera(info, gc, GEOMETRY_CAMERA, attachments);
}
void buildAttachments(CameraInfo* info, osg::Camera* camera, const std::string& name, const std::vector<ref_ptr<FGRenderingPipeline::Attachment> > &attachments) {
BOOST_FOREACH(ref_ptr<FGRenderingPipeline::Attachment> attachment, attachments) {
if (attachment->valid())
attachBufferToCamera( info, camera, attachment->component, name, attachment->buffer );
}
}
osg::Camera* FGRenderer::buildDeferredGeometryCamera( CameraInfo* info, osg::GraphicsContext* gc, const std::string& name, const std::vector<ref_ptr<FGRenderingPipeline::Attachment> > &attachments )
{
osg::Camera* camera = new osg::Camera;
@ -837,9 +847,7 @@ osg::Camera* FGRenderer::buildDeferredGeometryCamera( CameraInfo* info, osg::Gra
camera->setRenderTargetImplementation( osg::Camera::FRAME_BUFFER_OBJECT );
camera->setRenderOrder(osg::Camera::NESTED_RENDER, 0);
camera->setViewport( new osg::Viewport );
BOOST_FOREACH(ref_ptr<FGRenderingPipeline::Attachment> attachment, attachments) {
attachBufferToCamera( info, camera, attachment->component, name, attachment->buffer );
}
buildAttachments(info, camera, name, attachments);
camera->setDrawBuffer(GL_FRONT);
camera->setReadBuffer(GL_FRONT);
@ -907,9 +915,7 @@ osg::Camera* FGRenderer::buildDeferredShadowCamera( CameraInfo* info, osg::Graph
mainShadowCamera->setAllowEventFocus(false);
mainShadowCamera->setGraphicsContext(gc);
mainShadowCamera->setRenderTargetImplementation( osg::Camera::FRAME_BUFFER_OBJECT );
BOOST_FOREACH(ref_ptr<FGRenderingPipeline::Attachment> attachment, attachments) {
attachBufferToCamera( info, mainShadowCamera, attachment->component, name, attachment->buffer );
}
buildAttachments(info, mainShadowCamera, name, attachments);
mainShadowCamera->setComputeNearFarMode(osg::Camera::DO_NOT_COMPUTE_NEAR_FAR);
mainShadowCamera->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
mainShadowCamera->setProjectionMatrix(osg::Matrix::identity());
@ -1131,9 +1137,7 @@ osg::Camera* FGRenderer::buildDeferredLightingCamera( CameraInfo* info, osg::Gra
camera->setRenderOrder(osg::Camera::NESTED_RENDER, 50);
camera->setRenderTargetImplementation( osg::Camera::FRAME_BUFFER_OBJECT );
camera->setViewport( new osg::Viewport );
BOOST_FOREACH(ref_ptr<FGRenderingPipeline::Attachment> attachment, attachments) {
attachBufferToCamera( info, camera, attachment->component, name, attachment->buffer );
}
buildAttachments(info, camera, name, attachments);
camera->setDrawBuffer(GL_FRONT);
camera->setReadBuffer(GL_FRONT);
camera->setClearColor( osg::Vec4( 0., 0., 0., 1. ) );
@ -1289,9 +1293,7 @@ FGRenderer::buildDeferredFullscreenCamera( flightgear::CameraInfo* info, osg::Gr
camera->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
camera->setRenderOrder(osg::Camera::NESTED_RENDER, stage->orderNum);
camera->setRenderTargetImplementation( osg::Camera::FRAME_BUFFER_OBJECT );
BOOST_FOREACH(ref_ptr<FGRenderingPipeline::Attachment> attachment, stage->attachments) {
attachBufferToCamera( info, camera, attachment->component, stage->name, attachment->buffer );
}
buildAttachments(info, camera, stage->name, stage->attachments);
camera->setDrawBuffer(GL_FRONT);
camera->setReadBuffer(GL_FRONT);
camera->setClearColor( osg::Vec4( 1., 1., 1., 1. ) );
@ -1405,6 +1407,9 @@ void FGRenderer::buildStage(FGRenderingPipeline* rpipe, CameraInfo* info,
const osg::Matrix& projection,
osg::GraphicsContext* gc)
{
if (!stage->valid())
return;
ref_ptr<Camera> camera;
if (stage->type == "geometry")
camera = buildDeferredGeometryCamera(info, gc, stage->name, stage->attachments);
@ -1432,15 +1437,17 @@ void FGRenderer::buildBuffers(FGRenderingPipeline* rpipe, CameraInfo* info)
{
for (size_t i = 0; i < rpipe->buffers.size(); ++i) {
osg::ref_ptr<FGRenderingPipeline::Buffer> buffer = rpipe->buffers[i];
bool fullscreen = buffer->width == -1 && buffer->height == -1;
info->addBuffer(buffer->name, buildDeferredBuffer( buffer->internalFormat,
buffer->sourceFormat,
buffer->sourceType,
buffer->wrapMode,
buffer->shadowComparison),
fullscreen ? buffer->scaleFactor : 0.0f);
if (!fullscreen) {
info->getBuffer(buffer->name)->setTextureSize(buffer->width, buffer->height);
if (buffer->valid()) {
bool fullscreen = buffer->width == -1 && buffer->height == -1;
info->addBuffer(buffer->name, buildDeferredBuffer( buffer->internalFormat,
buffer->sourceFormat,
buffer->sourceType,
buffer->wrapMode,
buffer->shadowComparison),
fullscreen ? buffer->scaleFactor : 0.0f);
if (!fullscreen) {
info->getBuffer(buffer->name)->setTextureSize(buffer->width, buffer->height);
}
}
}
}

60
src/Viewer/renderingpipeline.cxx
View file

@ -85,6 +85,40 @@ FGRenderingPipeline* makeRenderingPipeline(const std::string& name,
}
void
FGRenderingPipeline::Conditionable::parseCondition(SGPropertyNode* prop)
{
const SGPropertyNode* predProp = prop->getChild("condition");
if (!predProp) {
setAlwaysValid(true);
} else {
try {
flightgear::PipelinePredParser parser;
SGExpressionb* validExp = dynamic_cast<SGExpressionb*>(parser.read(predProp->getChild(0)));
if (validExp)
setValidExpression(validExp);
else
throw simgear::expression::ParseError("pipeline condition is not a boolean expression");
}
catch (simgear::expression::ParseError& except)
{
SG_LOG(SG_INPUT, SG_ALERT,
"parsing pipeline condition " << except.getMessage());
setAlwaysValid(false);
}
}
}
void FGRenderingPipeline::Conditionable::setValidExpression(SGExpressionb* exp)
{
_validExpression = exp;
}
bool FGRenderingPipeline::Conditionable::valid()
{
return _alwaysValid || _validExpression->getValue();
}
template<typename T>
void findAttrOrHex(const simgear::effect::EffectPropertyMap<T>& pMap,
const SGPropertyNode* prop,
@ -172,11 +206,23 @@ FGRenderingPipeline::Buffer::Buffer(SGPropertyNode* prop)
if (!nameProp.valid()) {
throw sg_exception("Buffer name is mandatory");
}
internalFormat = GL_RGBA8;
sourceFormat = GL_RGBA;
sourceType = GL_UNSIGNED_BYTE;
wrapMode = GL_CLAMP_TO_BORDER_ARB;
name = nameProp->getStringValue();
findAttrOrHex(internalFormats, prop->getChild("internal-format"), internalFormat);
findAttrOrHex(sourceFormats, prop->getChild("source-format"), sourceFormat);
findAttrOrHex(sourceTypes, prop->getChild("source-type"), sourceType);
findAttrOrHex(wrapModes, prop->getChild("wrap-mode"), wrapMode);
SGPropertyNode* internalFormatProp = prop->getChild("internal-format");
if (internalFormatProp)
findAttrOrHex(internalFormats, internalFormatProp, internalFormat);
SGPropertyNode* sourceFormatProp = prop->getChild("source-format");
if (sourceFormatProp)
findAttrOrHex(sourceFormats, sourceFormatProp, sourceFormat);
SGPropertyNode* sourceTypeProp = prop->getChild("source-type");
if (sourceTypeProp)
findAttrOrHex(sourceTypes, sourceTypeProp, sourceType);
SGPropertyNode* wrapModeProp = prop->getChild("wrap-mode");
if (wrapModeProp)
findAttrOrHex(wrapModes, wrapModeProp, wrapMode);
SGConstPropertyNode_ptr widthProp = getPropertyChild(prop, "width");
if (!widthProp.valid())
width = -1;
@ -195,6 +241,8 @@ FGRenderingPipeline::Buffer::Buffer(SGPropertyNode* prop)
scaleFactor = prop->getFloatValue("scale-factor", 1.f);
shadowComparison = prop->getBoolValue("shadow-comparison", false);
parseCondition(prop);
}
simgear::effect::EffectNameValue<osg::Camera::BufferComponent> componentsInit[] =
@ -232,6 +280,8 @@ FGRenderingPipeline::Stage::Stage(SGPropertyNode* prop)
for (int i = 0; i < (int)attachments.size(); ++i) {
this->attachments.push_back(new FGRenderingPipeline::Attachment(attachments[i]));
}
parseCondition(prop);
}
FGRenderingPipeline::Attachment::Attachment(SGPropertyNode* prop)
@ -242,6 +292,8 @@ FGRenderingPipeline::Attachment::Attachment(SGPropertyNode* prop)
throw sg_exception("Attachment buffer is mandatory");
}
buffer = bufferProp->getStringValue();
parseCondition(prop);
}
FGRenderingPipeline::FGRenderingPipeline()

31
src/Viewer/renderingpipeline.hxx
View file

@ -6,6 +6,8 @@
#include <osg/Camera>
#include <string>
#include <simgear/structure/SGExpression.hxx>
namespace simgear
{
class SGReaderWriterOptions;
@ -24,7 +26,19 @@ namespace flightgear {
class FGRenderingPipeline : public osg::Referenced {
public:
struct Buffer : public osg::Referenced {
class Conditionable : public osg::Referenced {
public:
Conditionable() : _alwaysValid(false) {}
void parseCondition(SGPropertyNode* prop);
bool getAlwaysValid() const { return _alwaysValid; }
void setAlwaysValid(bool val) { _alwaysValid = val; }
void setValidExpression(SGExpressionb* exp);
bool valid();
protected:
bool _alwaysValid;
SGSharedPtr<SGExpressionb> _validExpression;
};
struct Buffer : public Conditionable {
Buffer(SGPropertyNode* prop);
std::string name;
@ -40,14 +54,14 @@ public:
//osg::Vec4 borderColor;
};
struct Pass : public osg::Referenced {
struct Pass : public Conditionable {
Pass(SGPropertyNode* prop);
std::string name;
std::string type;
};
struct Attachment : public osg::Referenced {
struct Attachment : public Conditionable {
Attachment(SGPropertyNode* prop);
Attachment(osg::Camera::BufferComponent c, const std::string& b ) : component(c), buffer(b) {}
@ -56,7 +70,7 @@ public:
};
typedef std::vector<osg::ref_ptr<Attachment> > AttachmentList;
struct Stage : public osg::Referenced {
struct Stage : public Conditionable {
Stage(SGPropertyNode* prop);
std::string name;
@ -78,4 +92,13 @@ public:
const simgear::SGReaderWriterOptions* options);
};
namespace flightgear {
class PipelinePredParser : public simgear::expression::ExpressionParser
{
public:
protected:
};
}
#endif