void ImposterCapture::capture( const MatrixF &rotMatrix,
GBitmap **imposterOut,
GBitmap **normalMapOut )
{
GFXTransformSaver saver;
// this version of the snapshot function renders the shape to a black texture, then to white, then reads bitmaps
// back for both renders and combines them, restoring the alpha and color values. this is based on the
// TGE implementation. it is not fast due to the copy and software combination operations. the generated bitmaps
// are upside-down (which is how TGE generated them...)
(*imposterOut) = new GBitmap( mDim, mDim, false, GFXFormatR8G8B8A8 );
(*normalMapOut) = new GBitmap( mDim, mDim, false, GFXFormatR8G8B8A8 );
// The object to world transform.
MatrixF centerMat( true );
centerMat.setPosition( -mCenter );
MatrixF objMatrix( rotMatrix );
objMatrix.mul( centerMat );
GFX->setWorldMatrix( objMatrix );
// The view transform.
MatrixF view( EulerF( M_PI_F / 2.0f, 0, M_PI_F ), Point3F( 0, 0, -10.0f * mRadius ) );
mRenderPass->assignSharedXform( RenderPassManager::View, view );
mRenderPass->assignSharedXform( RenderPassManager::Projection, GFX->getProjectionMatrix() );
// Render the diffuse pass.
mRenderPass->clear();
mMeshRenderBin->getMatOverrideDelegate().bind( ImposterCaptureMaterialHook::getDiffuseInst );
_renderToTexture( mBlackTex, mBlackBmp, ColorI(0, 0, 0, 0) );
_renderToTexture( mWhiteTex, mWhiteBmp, ColorI(255, 255, 255, 255) );
// Now render the normals.
mRenderPass->clear();
mMeshRenderBin->getMatOverrideDelegate().bind( ImposterCaptureMaterialHook::getNormalsInst );
_renderToTexture( mNormalTex, *normalMapOut, ColorI(0, 0, 0, 0) );
_separateAlpha( *imposterOut );
_convertDXT5nm( *normalMapOut );
if ( 0 )
{
// Render out the bitmaps for debug purposes.
FileStream fs;
if ( fs.open( "./blackbmp.png", Torque::FS::File::Write ) )
mBlackBmp->writeBitmap( "png", fs );
fs.close();
if ( fs.open( "./whitebmp.png", Torque::FS::File::Write ) )
mWhiteBmp->writeBitmap( "png", fs );
fs.close();
if ( fs.open( "./normalbmp.png", Torque::FS::File::Write ) )
(*normalMapOut)->writeBitmap( "png", fs );
fs.close();
if ( fs.open( "./finalimposter.png", Torque::FS::File::Write ) )
(*imposterOut)->writeBitmap( "png", fs );
fs.close();
}
}
void renderer::findBest(Camera &camera,Mesh* mesh, particle camPartikel, Shader* _likelihood, Shader* _meshProgram, glm::mat4 m, glm::mat4 v, glm::mat4 p, GLuint mLoc,GLuint vLoc,GLuint pLoc, GLuint handle, glm::vec3 &newCenter, glm::vec3 &newLookAt){
max = 0.0;
cv::Mat_<float> centerMat = camPartikel.getParticleCenterM();
cv::Mat_<float> lookAtMat = camPartikel.getParticleLookAtM();
//querys to count the pixels
const int size = 400;
GLuint queryArray[size];
glGenQueries(size, queryArray);
float meshsRelValue[size] = {0.0};
//bind texture with edgepicture
texLoc = glGetUniformLocation(handle,"tex");
glActiveTexture(GL_TEXTURE0);
glUniform1i(texLoc,0);
glBindTexture(GL_TEXTURE_2D,handle);
//bind likelihoodshader
_likelihood->bind();
m = mesh->computeModelMatrix();
glUniformMatrix4fv(mLoc,1,GL_FALSE,glm::value_ptr(m));
glUniformMatrix4fv(pLoc,1,GL_FALSE,glm::value_ptr(p));
//funktioniert nicht
//glm::mat4 * view = new glm::mat4[size];
//view = camPartikel.getViewArray();
for (int i = 0; i < centerMat.rows; i++) {
cameraPos.x = centerMat(i,0);
cameraPos.y = centerMat(i,1);
cameraPos.z = centerMat(i,2);
camera.setCenter(cameraPos);
for (int j = 0; j < centerMat.rows; j++) {
cameraLookAt.x = lookAtMat(i * centerMat.rows + j, 0);
cameraLookAt.y = lookAtMat(i * centerMat.rows + j, 1);
cameraLookAt.z = lookAtMat(i * centerMat.rows + j, 2);
camera.setLookAt(cameraLookAt);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
v = camera.getViewMatrix();
glUniformMatrix4fv(vLoc,1,GL_FALSE,glm::value_ptr(v));
glBeginQuery(GL_SAMPLES_PASSED, queryArray[i]);
if(mesh != nullptr)
mesh->draw(&cameraPos);
glEndQuery(GL_SAMPLES_PASSED);
glGetQueryObjectuiv(queryArray[i], GL_QUERY_RESULT, &PixelCountSet);
meshsRelValue[i * centerMat.rows + j] = PixelCountSet;
//cout << "PixelCount für " << i * centerMat.rows + j << ": " << PixelCountSet << endl;
}
}
glBindTexture(GL_TEXTURE_2D,0);
_likelihood->unbind();
//bind meshshader
_meshProgram->bind();
for (int i = 0; i < centerMat.rows; i++) {
cameraPos.x = centerMat(i,0);
cameraPos.y = centerMat(i,1);
cameraPos.z = centerMat(i,2);
camera.setCenter(cameraPos);
for (int j = 0; j < centerMat.rows; j++) {
cameraLookAt.x = lookAtMat(i * centerMat.rows + j, 0);
cameraLookAt.y = lookAtMat(i * centerMat.rows + j, 1);
cameraLookAt.z = lookAtMat(i * centerMat.rows + j, 2);
camera.setLookAt(cameraLookAt);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
v = camera.getViewMatrix();
glUniformMatrix4fv(vLoc,1,GL_FALSE,glm::value_ptr(v));
glBeginQuery(GL_SAMPLES_PASSED, queryArray[i]);
if(mesh != nullptr)
mesh->draw(&cameraPos);
glEndQuery(GL_SAMPLES_PASSED);
glGetQueryObjectuiv(queryArray[i], GL_QUERY_RESULT, &PixelCountSet);
meshsRelValue[i * centerMat.rows + j] /= PixelCountSet;
if(meshsRelValue[i * centerMat.rows + j] > max){
max = meshsRelValue[i * centerMat.rows + j];
newCenter.x = centerMat(i,0);
newCenter.y = centerMat(i,1);
newCenter.z = centerMat(i,2);
newLookAt.x = lookAtMat(i * centerMat.rows + j, 0);
newLookAt.y = lookAtMat(i * centerMat.rows + j, 1);
newLookAt.z = lookAtMat(i * centerMat.rows + j, 2);
}
//cout << "PixelCount für " << i * centerMat.rows + j << ": " << meshsRelValue[i * centerMat.rows + j] << endl;
}
}
_meshProgram->unbind();
glDeleteQueries(size, queryArray);
//set camerapose of the best new position
camera.setCenter(newCenter);
camera.setLookAt(newLookAt);
}
