Marc 48501a3c10 Add GPU-accelerated heatmaps (#254) ... * Add GPU-accelerated heatmaps * Add BustPlotCache() and other small changes * Fixupside-down heatmaps * Prevent new/delete on each call to PlotHeatmap() on certain cases * Add common interface for backends & move context to ImPlotContext * Fix integer heatmaps not working properly * Misc changes - Rename implot_gpu.h -> implot_backend.h - Rename IMPLOT_ENABLE_OPENGL3_ACCELERATION -> IMPLOT_BACKEND_ENABLE_OPENGL3 - Use gp.CurrentItem->ID over gp.CurrentPlot->ID - Add flags for different features supported by backends * Cleanup & maintenance - Removed unnecessary attributes from shader - Renamed functions & structs - Reduced memory footprint of OpenGL backend context * Standandardize backends for future implementations * Added logarithmic X & Y axes * Fix vertically-flipped 2D histograms * Fix incorrect colormap colors		2021-07-02 21:29:37 -07:00
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implot_backend.h	Add GPU-accelerated heatmaps (#254)	2021-07-02 21:29:37 -07:00
implot_impl_opengl3.cpp	Add GPU-accelerated heatmaps (#254)	2021-07-02 21:29:37 -07:00
implot_impl_opengl3.h	Add GPU-accelerated heatmaps (#254)	2021-07-02 21:29:37 -07:00