gwm17/implot
1
0
Fork 0
mirror of https://github.com/gwm17/implot.git synced 2025-02-07 06:38:51 -05:00
Code Issues Projects Releases Wiki Activity

Prevent new/delete on each call to PlotHeatmap() on certain cases

Browse Source
This commit is contained in:
marcizhu 2021-06-21 17:32:11 +02:00
parent 2816b0cbd9
commit aa716726da
No known key found for this signature in database
GPG Key ID: 2D8FA5B173E88095
1 changed files with 16 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
backends/implot_opengl3.cpp
View File

@ -56,6 +56,10 @@ struct OpenGLContextData
ImVector<HeatmapData> HeatmapDataList; ///< Array of heatmap data ImVector<HeatmapData> HeatmapDataList; ///< Array of heatmap data
ImVector<GLuint> ColormapIDs; ///< Texture IDs of the colormap textures ImVector<GLuint> ColormapIDs; ///< Texture IDs of the colormap textures
ImGuiStorage PlotIDs; ///< PlotID <-> Heatmap array index table ImGuiStorage PlotIDs; ///< PlotID <-> Heatmap array index table
ImVector<float> temp1;
ImVector<ImS32> temp2;
ImVector<ImU32> temp3;
}; };
static OpenGLContextData Context; static OpenGLContextData Context;
@ -216,38 +220,35 @@ void OpenGL3_SetHeatmapData(int plotID, const float* values, int rows, int cols)
void OpenGL3_SetHeatmapData(int plotID, const double* values, int rows, int cols) void OpenGL3_SetHeatmapData(int plotID, const double* values, int rows, int cols)
{ {
float* values2 = new float[rows*cols]; if(Context.temp1.Size < rows * cols)
Context.temp1.resize(rows * cols);
for(int i = 0; i < rows*cols; i++) for(int i = 0; i < rows*cols; i++)
values2[i] = (float)values[i]; Context.temp1[i] = (float)values[i];
SetTextureData(plotID, values2, rows, cols, GL_FLOAT); SetTextureData(plotID, Context.temp1.Data, rows, cols, GL_FLOAT);
delete[] values2;
} }
void OpenGL3_SetHeatmapData(int plotID, const ImS64* values, int rows, int cols) void OpenGL3_SetHeatmapData(int plotID, const ImS64* values, int rows, int cols)
{ {
ImS32* values2 = new ImS32[rows*cols]; if(Context.temp2.Size < rows * cols)
Context.temp2.resize(rows * cols);
for(int i = 0; i < rows*cols; i++) for(int i = 0; i < rows*cols; i++)
values2[i] = (ImS32)values[i]; Context.temp2[i] = (ImS32)values[i];
SetTextureData(plotID, values2, rows, cols, GL_INT); SetTextureData(plotID, Context.temp2.Data, rows, cols, GL_INT);
delete[] values2;
} }
void OpenGL3_SetHeatmapData(int plotID, const ImU64* values, int rows, int cols) void OpenGL3_SetHeatmapData(int plotID, const ImU64* values, int rows, int cols)
{ {
ImU32* values2 = new ImU32[rows*cols]; if(Context.temp3.Size < rows * cols)
Context.temp3.resize(rows * cols);
for(int i = 0; i < rows*cols; i++) for(int i = 0; i < rows*cols; i++)
values2[i] = (ImU32)values[i]; Context.temp3[i] = (ImU32)values[i];
SetTextureData(plotID, values2, rows, cols, GL_UNSIGNED_INT); SetTextureData(plotID, Context.temp3.Data, rows, cols, GL_UNSIGNED_INT);
delete[] values2;
} }
void OpenGL3_RenderHeatmap(int plotID, ImDrawList& DrawList, const ImVec2& bounds_min, const ImVec2& bounds_max, float scale_min, float scale_max, ImPlotColormap colormap) void OpenGL3_RenderHeatmap(int plotID, ImDrawList& DrawList, const ImVec2& bounds_min, const ImVec2& bounds_max, float scale_min, float scale_max, ImPlotColormap colormap)