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Add the ability to specify a custom shader for the RenderableGalaxy class

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This commit is contained in:
Alexander Bock
2023-09-28 09:40:51 +02:00
parent 38308a4cde
commit 46ed8382e8
6 changed files with 168 additions and 4 deletions
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12
modules/galaxy/rendering/renderablegalaxy.cpp
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@@ -175,6 +175,10 @@ namespace {
// [[codegen::verbatim(EmissionMultiplyInfo.description)]]
std::optional<float> emissionMultiply;
// If this value is specified, the default raycasting shader is overwritten and
// the shader found at the provided location is used instead
std::optional<std::filesystem::path> raycastingShader;
enum class [[codegen::map(StarRenderingMethod)]] StarRenderingMethod {
Points,
Billboards
@@ -285,6 +289,7 @@ RenderableGalaxy::RenderableGalaxy(const ghoul::Dictionary& dictionary)
_stepSize = p.stepSizeInfo.value_or(_stepSize);
_absorptionMultiply = p.absorptionMultiply.value_or(_absorptionMultiply);
_emissionMultiply = p.emissionMultiply.value_or(_emissionMultiply);
_raycastingShader = p.raycastingShader.value_or(_raycastingShader);
_starRenderingMethod.addOptions({
{ StarRenderingMethod::Points, "Points" },
@@ -417,7 +422,12 @@ void RenderableGalaxy::initializeGL() {
_texture->setDimensions(_volume->dimensions());
_texture->uploadTexture();
_raycaster = std::make_unique<GalaxyRaycaster>(*_texture);
if (_raycastingShader.empty()) {
_raycaster = std::make_unique<GalaxyRaycaster>(*_texture);
}
else {
_raycaster = std::make_unique<GalaxyRaycaster>(*_texture, _raycastingShader);
}
_raycaster->initialize();
// We no longer need the data