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Update placefile icon texture coordinates when the texture atlas changes

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This commit is contained in:
Dan Paulat 2023-08-19 22:52:38 -05:00
parent e021484bfb
commit 565734217b
7 changed files with 55 additions and 16 deletions
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12
scwx-qt/source/scwx/qt/map/draw_layer.cpp
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@ -24,6 +24,8 @@ public:
std::shared_ptr<MapContext> context_;
std::vector<std::shared_ptr<gl::draw::DrawItem>> drawList_;
GLuint textureAtlas_;
std::uint64_t textureAtlasBuildCount_ {};
};
DrawLayer::DrawLayer(std::shared_ptr<MapContext> context) :
@ -47,13 +49,21 @@ void DrawLayer::Render(const QMapLibreGL::CustomLayerRenderParameters& params)
gl::OpenGLFunctions& gl = p->context_->gl();
p->textureAtlas_ = p->context_->GetTextureAtlas();
// Determine if the texture atlas changed since last render
std::uint64_t newTextureAtlasBuildCount =
p->context_->texture_buffer_count();
bool textureAtlasChanged =
newTextureAtlasBuildCount != p->textureAtlasBuildCount_;
gl.glActiveTexture(GL_TEXTURE0);
gl.glBindTexture(GL_TEXTURE_2D, p->textureAtlas_);
for (auto& item : p->drawList_)
{
item->Render(params);
item->Render(params, textureAtlasChanged);
}
p->textureAtlasBuildCount_ = newTextureAtlasBuildCount;
}
void DrawLayer::Deinitialize()