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first cut at separating opaque from transparent meshes

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This commit is contained in:
ZappoMan 2014-10-15 14:40:42 -07:00
parent c8db8855cc
commit 8a83511942
3 changed files with 76 additions and 17 deletions
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76
interface/src/renderer/Model.cpp
View file

@ -46,7 +46,8 @@ Model::Model(QObject* parent) :
_url("http://invalid.com"),
_blendNumber(0),
_appliedBlendNumber(0),
_calculatedMeshBoxesValid(false) {
_calculatedMeshBoxesValid(false),
_translucentMeshesKnown(false) {
// we may have been created in the network thread, but we live in the main thread
moveToThread(Application::getInstance()->thread());
@ -271,6 +272,8 @@ void Model::reset() {
for (int i = 0; i < _jointStates.size(); i++) {
_jointStates[i].setRotationInConstrainedFrame(geometry.joints.at(i).rotation, 0.0f);
}
_translucentMeshesKnown = false;
}
bool Model::updateGeometry() {
@ -421,6 +424,10 @@ bool Model::render(float alpha, RenderMode mode, RenderArgs* args) {
_dilatedTextures.append(dilated);
}
}
if (!_translucentMeshesKnown) {
calculateTranslucentMeshes();
}
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
@ -451,11 +458,11 @@ bool Model::render(float alpha, RenderMode mode, RenderArgs* args) {
mode == DEFAULT_RENDER_MODE);
const float DEFAULT_ALPHA_THRESHOLD = 0.5f;
renderMeshes(mode, false, DEFAULT_ALPHA_THRESHOLD, args);
int opaqueMeshPartsRendered = renderMeshes(mode, false, DEFAULT_ALPHA_THRESHOLD, args);
// render translucent meshes afterwards
Application::getInstance()->getTextureCache()->setPrimaryDrawBuffers(false, true, true);
renderMeshes(mode, true, 0.75f, args);
int translucentMeshPartsRendered = renderMeshes(mode, true, 0.75f, args);
glDisable(GL_ALPHA_TEST);
glEnable(GL_BLEND);
@ -465,7 +472,7 @@ bool Model::render(float alpha, RenderMode mode, RenderArgs* args) {
Application::getInstance()->getTextureCache()->setPrimaryDrawBuffers(true);
if (mode == DEFAULT_RENDER_MODE || mode == DIFFUSE_RENDER_MODE) {
renderMeshes(mode, true, 0.0f, args);
translucentMeshPartsRendered += renderMeshes(mode, true, 0.0f, args);
}
glDepthMask(true);
@ -488,6 +495,11 @@ bool Model::render(float alpha, RenderMode mode, RenderArgs* args) {
// restore all the default material settings
Application::getInstance()->setupWorldLight();
if (args) {
args->_translucentMeshPartsRendered = translucentMeshPartsRendered;
args->_opaqueMeshPartsRendered = opaqueMeshPartsRendered;
}
return true;
}
@ -1238,21 +1250,45 @@ void Model::deleteGeometry() {
_blendedBlendshapeCoefficients.clear();
}
void Model::renderMeshes(RenderMode mode, bool translucent, float alphaThreshold, RenderArgs* args) {
void Model::calculateTranslucentMeshes() {
_translucentMeshes.clear();
_opaqueMeshes.clear();
const FBXGeometry& geometry = _geometry->getFBXGeometry();
const QVector<NetworkMesh>& networkMeshes = _geometry->getMeshes();
for (int i = 0; i < networkMeshes.size(); i++) {
const NetworkMesh& networkMesh = networkMeshes.at(i);
const FBXMesh& mesh = geometry.meshes.at(i);
bool translucentMesh = networkMesh.getTranslucentPartCount(mesh) == networkMesh.parts.size();
if (translucentMesh) {
_translucentMeshes.append(i);
} else {
_opaqueMeshes.append(i);
}
}
_translucentMeshesKnown = true;
}
int Model::renderMeshes(RenderMode mode, bool translucent, float alphaThreshold, RenderArgs* args) {
int meshPartsRendered = 0;
updateVisibleJointStates();
const FBXGeometry& geometry = _geometry->getFBXGeometry();
const QVector<NetworkMesh>& networkMeshes = _geometry->getMeshes();
bool cullMeshParts = args && !Menu::getInstance()->isOptionChecked(MenuOption::DontCullMeshParts);
for (int i = 0; i < networkMeshes.size(); i++) {
// if we're called in translucent mode, then use our translucent list vs opaque list
QList<int>& list = translucent ? _translucentMeshes : _opaqueMeshes;
// i is the "index" from the original networkMeshes QVector...
foreach (int i, list) {
// exit early if the translucency doesn't match what we're drawing
const NetworkMesh& networkMesh = networkMeshes.at(i);
const FBXMesh& mesh = geometry.meshes.at(i);
if (translucent ? (networkMesh.getTranslucentPartCount(mesh) == 0) :
(networkMesh.getTranslucentPartCount(mesh) == networkMesh.parts.size())) {
continue;
}
const_cast<QOpenGLBuffer&>(networkMesh.indexBuffer).bind();
int vertexCount = mesh.vertices.size();
@ -1424,11 +1460,19 @@ void Model::renderMeshes(RenderMode mode, bool translucent, float alphaThreshold
glActiveTexture(GL_TEXTURE0);
}
}
glDrawRangeElementsEXT(GL_QUADS, 0, vertexCount - 1, part.quadIndices.size(), GL_UNSIGNED_INT, (void*)offset);
offset += part.quadIndices.size() * sizeof(int);
glDrawRangeElementsEXT(GL_TRIANGLES, 0, vertexCount - 1, part.triangleIndices.size(),
GL_UNSIGNED_INT, (void*)offset);
offset += part.triangleIndices.size() * sizeof(int);
meshPartsRendered++;
if (part.quadIndices.size() > 0) {
glDrawRangeElementsEXT(GL_QUADS, 0, vertexCount - 1, part.quadIndices.size(), GL_UNSIGNED_INT, (void*)offset);
offset += part.quadIndices.size() * sizeof(int);
}
if (part.triangleIndices.size() > 0) {
glDrawRangeElementsEXT(GL_TRIANGLES, 0, vertexCount - 1, part.triangleIndices.size(),
GL_UNSIGNED_INT, (void*)offset);
offset += part.triangleIndices.size() * sizeof(int);
}
if (args) {
const int INDICES_PER_TRIANGLE = 3;
@ -1467,6 +1511,8 @@ void Model::renderMeshes(RenderMode mode, bool translucent, float alphaThreshold
activeProgram->release();
}
return meshPartsRendered;
}
void AnimationHandle::setURL(const QUrl& url) {

9
interface/src/renderer/Model.h
View file

@ -251,7 +251,7 @@ private:
void applyNextGeometry();
void deleteGeometry();
void renderMeshes(RenderMode mode, bool translucent, float alphaThreshold = 0.5f, RenderArgs* args = NULL);
int renderMeshes(RenderMode mode, bool translucent, float alphaThreshold = 0.5f, RenderArgs* args = NULL);
QVector<JointState> createJointStates(const FBXGeometry& geometry);
void initJointTransforms();
@ -332,6 +332,13 @@ private:
QVector<AABox> _calculatedMeshBoxes;
bool _calculatedMeshBoxesValid;
void calculateTranslucentMeshes(); // used to calculate our list of translucent vs opaque meshes
bool _translucentMeshesKnown;
QList<int> _translucentMeshes; // indices of the meshes that are translucent
QList<int> _opaqueMeshes; // indices of the meshes that are opaque
};
Q_DECLARE_METATYPE(QPointer<Model>)

8
interface/src/ui/Stats.cpp
View file

@ -461,7 +461,7 @@ void Stats::display(
lines = _expanded ? 14 : 3;
if (_expanded && Menu::getInstance()->isOptionChecked(MenuOption::AudioSpatialProcessing)) {
lines += 9; // spatial audio processing adds 1 spacing line and 8 extra lines of info
lines += 10; // spatial audio processing adds 1 spacing line and 8 extra lines of info
}
drawBackground(backgroundColor, horizontalOffset, 0, glWidget->width() - horizontalOffset,
@ -486,6 +486,12 @@ void Stats::display(
verticalOffset += STATS_PELS_PER_LINE;
drawText(horizontalOffset, verticalOffset, scale, rotation, font, (char*)voxelStats.str().c_str(), color);
voxelStats.str("");
voxelStats << "Mesh Parts Rendered Opaque: " << entities->getOpaqueMeshPartsRendered()
<< " Translucent:" << entities->getTranslucentMeshPartsRendered();
verticalOffset += STATS_PELS_PER_LINE;
drawText(horizontalOffset, verticalOffset, scale, rotation, font, (char*)voxelStats.str().c_str(), color);
// Local Voxel Memory Usage
voxelStats.str("");