mirror of
https://github.com/OpenSpace/OpenSpace.git
synced 2026-04-20 17:51:19 -05:00
Solve merge conflict.
This commit is contained in:
Kalle Bladin
257
modules/globebrowsing/rendering/patchrenderer.cpp
Normal file
257
modules/globebrowsing/rendering/patchrenderer.cpp
Normal file
@@ -0,0 +1,257 @@
|
||||
/*****************************************************************************************
|
||||
* *
|
||||
* OpenSpace *
|
||||
* *
|
||||
* Copyright (c) 2014-2016 *
|
||||
* *
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
|
||||
* software and associated documentation files (the "Software"), to deal in the Software *
|
||||
* without restriction, including without limitation the rights to use, copy, modify, *
|
||||
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
|
||||
* permit persons to whom the Software is furnished to do so, subject to the following *
|
||||
* conditions: *
|
||||
* *
|
||||
* The above copyright notice and this permission notice shall be included in all copies *
|
||||
* or substantial portions of the Software. *
|
||||
* *
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
|
||||
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
|
||||
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
|
||||
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
|
||||
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
|
||||
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
|
||||
****************************************************************************************/
|
||||
|
||||
#include <modules/globebrowsing/rendering/patchrenderer.h>
|
||||
|
||||
#include <modules/globebrowsing/meshes/clipmapgrid.h>
|
||||
|
||||
// open space includes
|
||||
#include <openspace/engine/wrapper/windowwrapper.h>
|
||||
#include <openspace/engine/openspaceengine.h>
|
||||
#include <openspace/rendering/renderengine.h>
|
||||
|
||||
// ghoul includes
|
||||
#include <ghoul/misc/assert.h>
|
||||
#include <ghoul/opengl/texture.h>
|
||||
#include <ghoul/opengl/textureunit.h>
|
||||
|
||||
|
||||
#define _USE_MATH_DEFINES
|
||||
#include <math.h>
|
||||
|
||||
namespace {
|
||||
const std::string _loggerCat = "PatchRenderer";
|
||||
|
||||
const std::string keyFrame = "Frame";
|
||||
const std::string keyGeometry = "Geometry";
|
||||
const std::string keyShading = "PerformShading";
|
||||
|
||||
const std::string keyBody = "Body";
|
||||
}
|
||||
|
||||
namespace openspace {
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////////////////
|
||||
// PATCH RENDERER //
|
||||
//////////////////////////////////////////////////////////////////////////////////////
|
||||
PatchRenderer::PatchRenderer()
|
||||
: _tileSet(Geodetic2(M_PI, M_PI * 2), Geodetic2(M_PI / 2, -M_PI), 0)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
PatchRenderer::~PatchRenderer() {
|
||||
if (_programObject) {
|
||||
RenderEngine& renderEngine = OsEng.renderEngine();
|
||||
renderEngine.removeRenderProgram(_programObject);
|
||||
_programObject = nullptr;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////////////////
|
||||
// LATLON PATCH RENDERER //
|
||||
//////////////////////////////////////////////////////////////////////////////////////
|
||||
LatLonPatchRenderer::LatLonPatchRenderer(shared_ptr<Grid> grid)
|
||||
: PatchRenderer()
|
||||
, _grid(grid)
|
||||
{
|
||||
_programObject = OsEng.renderEngine().buildRenderProgram(
|
||||
"LatLonSphereMappingProgram",
|
||||
"${MODULE_GLOBEBROWSING}/shaders/latlonpatch_spheremapping_vs.glsl",
|
||||
"${MODULE_GLOBEBROWSING}/shaders/simple_fs.glsl");
|
||||
ghoul_assert(_programObject != nullptr, "Failed to initialize programObject!");
|
||||
|
||||
using IgnoreError = ghoul::opengl::ProgramObject::IgnoreError;
|
||||
_programObject->setIgnoreSubroutineUniformLocationError(IgnoreError::Yes);
|
||||
}
|
||||
|
||||
void LatLonPatchRenderer::renderPatch(
|
||||
const GeodeticPatch& patch, const RenderData& data, const Ellipsoid& ellipsoid)
|
||||
{
|
||||
|
||||
// Get the textures that should be used for rendering
|
||||
TileIndex ti = _tileSet.getTileIndex(patch);
|
||||
|
||||
renderPatch(patch, data, ellipsoid, ti);
|
||||
}
|
||||
|
||||
void LatLonPatchRenderer::renderPatch(
|
||||
const GeodeticPatch& patch,
|
||||
const RenderData& data,
|
||||
const Ellipsoid& ellipsoid,
|
||||
const TileIndex& tileIndex)
|
||||
{
|
||||
|
||||
using namespace glm;
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
// TODO : Model transform should be fetched as a matrix directly.
|
||||
mat4 modelTransform = translate(mat4(1), data.position.vec3());
|
||||
mat4 viewTransform = data.camera.combinedViewMatrix();
|
||||
mat4 modelViewProjectionTransform = data.camera.projectionMatrix()
|
||||
* viewTransform * modelTransform;
|
||||
|
||||
|
||||
// activate shader
|
||||
_programObject->activate();
|
||||
|
||||
// Get the textures that should be used for rendering
|
||||
std::shared_ptr<ghoul::opengl::Texture> tile00;
|
||||
bool usingTile = true;
|
||||
TileIndex ti;
|
||||
ti.level =tileIndex.level;
|
||||
ti.x = tileIndex.y;
|
||||
ti.y = tileIndex.x;
|
||||
tile00 = tileProvider.getTile(ti);
|
||||
|
||||
if (tile00 == nullptr) {
|
||||
tile00 = _tileSet.getTile(tileIndex);
|
||||
usingTile = false;
|
||||
}
|
||||
|
||||
glm::mat3 uvTransform = usingTile ? glm::mat3(1) : _tileSet.getUvTransformationPatchToTile(patch, tileIndex);
|
||||
|
||||
// Bind and use the texture
|
||||
ghoul::opengl::TextureUnit texUnit;
|
||||
texUnit.activate();
|
||||
tile00->bind();
|
||||
_programObject->setUniform("textureSampler", texUnit);
|
||||
_programObject->setUniform("uvTransformPatchToTile", uvTransform);
|
||||
|
||||
Geodetic2 swCorner = patch.southWestCorner();
|
||||
_programObject->setUniform("segmentsPerPatch", _grid->xSegments());
|
||||
_programObject->setUniform("modelViewProjectionTransform", modelViewProjectionTransform);
|
||||
_programObject->setUniform("minLatLon", vec2(swCorner.toLonLatVec2()));
|
||||
_programObject->setUniform("lonLatScalingFactor", vec2(patch.size().toLonLatVec2()));
|
||||
_programObject->setUniform("radiiSquared", vec3(ellipsoid.radiiSquared()));
|
||||
|
||||
glEnable(GL_DEPTH_TEST);
|
||||
glEnable(GL_CULL_FACE);
|
||||
glCullFace(GL_BACK);
|
||||
|
||||
// render
|
||||
_grid->geometry().drawUsingActiveProgram();
|
||||
|
||||
// disable shader
|
||||
_programObject->deactivate();
|
||||
}
|
||||
|
||||
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////////////////
|
||||
// CLIPMAP PATCH RENDERER //
|
||||
//////////////////////////////////////////////////////////////////////////////////////
|
||||
ClipMapPatchRenderer::ClipMapPatchRenderer(shared_ptr<ClipMapGrid> grid)
|
||||
: PatchRenderer()
|
||||
, _grid(grid)
|
||||
{
|
||||
_programObject = OsEng.renderEngine().buildRenderProgram(
|
||||
"LatLonSphereMappingProgram",
|
||||
"${MODULE_GLOBEBROWSING}/shaders/clipmappatch_spheremapping_vs.glsl",
|
||||
"${MODULE_GLOBEBROWSING}/shaders/simple_fs.glsl");
|
||||
ghoul_assert(_programObject != nullptr, "Failed to initialize programObject!");
|
||||
|
||||
using IgnoreError = ghoul::opengl::ProgramObject::IgnoreError;
|
||||
_programObject->setIgnoreSubroutineUniformLocationError(IgnoreError::Yes);
|
||||
}
|
||||
|
||||
void ClipMapPatchRenderer::renderPatch(
|
||||
const Geodetic2& patchSize,
|
||||
const RenderData& data,
|
||||
const Ellipsoid& ellipsoid)
|
||||
{
|
||||
// activate shader
|
||||
_programObject->activate();
|
||||
using namespace glm;
|
||||
|
||||
mat4 viewTransform = data.camera.combinedViewMatrix();
|
||||
|
||||
// TODO : Model transform should be fetched as a matrix directly.
|
||||
mat4 modelTransform = translate(mat4(1), data.position.vec3());
|
||||
|
||||
// Snap patch position
|
||||
int segmentsPerPatch = _grid->segments();
|
||||
Geodetic2 stepSize = Geodetic2(
|
||||
patchSize.lat / segmentsPerPatch,
|
||||
patchSize.lon / segmentsPerPatch);
|
||||
ivec2 patchesToCoverGlobe = ivec2(
|
||||
M_PI / patchSize.lat + 0.5,
|
||||
M_PI * 2 / patchSize.lon + 0.5);
|
||||
Geodetic2 cameraPosLatLon = ellipsoid.cartesianToGeodetic2(data.camera.position().dvec3());
|
||||
ivec2 intSnapCoord = ivec2(
|
||||
cameraPosLatLon.lat / (M_PI * 2) * segmentsPerPatch * patchesToCoverGlobe.y,
|
||||
cameraPosLatLon.lon / (M_PI) * segmentsPerPatch * patchesToCoverGlobe.x);
|
||||
Geodetic2 newPatchCenter = Geodetic2(
|
||||
stepSize.lat * intSnapCoord.x,
|
||||
stepSize.lon * intSnapCoord.y);
|
||||
GeodeticPatch newPatch(
|
||||
newPatchCenter,
|
||||
Geodetic2(patchSize.lat / 2, patchSize.lon / 2));
|
||||
|
||||
ivec2 contraction = ivec2(intSnapCoord.y % 2, intSnapCoord.x % 2);
|
||||
|
||||
//LDEBUG("patch.center = [ " << patch.center.lat << " , " << patch.center.lon << " ]");
|
||||
//LDEBUG("intSnapCoord = [ " << intSnapCoord.x << " , " << intSnapCoord.y << " ]");
|
||||
//LDEBUG("contraction = [ " << contraction.x << " , " << contraction.y << " ]");
|
||||
|
||||
|
||||
// Get the textures that should be used for rendering
|
||||
TileIndex tileIndex = _tileSet.getTileIndex(newPatch);
|
||||
GeodeticPatch tilePatch = _tileSet.getTilePositionAndScale(tileIndex);
|
||||
std::shared_ptr<ghoul::opengl::Texture> tile00 = _tileSet.getTile(tileIndex);
|
||||
glm::mat3 uvTransform = _tileSet.getUvTransformationPatchToTile(newPatch, tileIndex);
|
||||
|
||||
// Bind and use the texture
|
||||
ghoul::opengl::TextureUnit texUnit;
|
||||
texUnit.activate();
|
||||
tile00->bind();
|
||||
_programObject->setUniform("textureSampler", texUnit);
|
||||
_programObject->setUniform("uvTransformPatchToTile", mat3(uvTransform));
|
||||
|
||||
_programObject->setUniform(
|
||||
"modelViewProjectionTransform",
|
||||
data.camera.projectionMatrix() * viewTransform * modelTransform);
|
||||
_programObject->setUniform("segmentsPerPatch", segmentsPerPatch);
|
||||
_programObject->setUniform("minLatLon", vec2(newPatch.southWestCorner().toLonLatVec2()));
|
||||
_programObject->setUniform("lonLatScalingFactor", vec2(patchSize.toLonLatVec2()));
|
||||
_programObject->setUniform("radiiSquared", vec3(ellipsoid.radiiSquared()));
|
||||
_programObject->setUniform("contraction", contraction);
|
||||
|
||||
glEnable(GL_DEPTH_TEST);
|
||||
glEnable(GL_CULL_FACE);
|
||||
glCullFace(GL_BACK);
|
||||
|
||||
// render
|
||||
_grid->geometry().drawUsingActiveProgram();
|
||||
|
||||
// disable shader
|
||||
_programObject->deactivate();
|
||||
}
|
||||
|
||||
} // namespace openspace
|
||||
Reference in New Issue
Block a user