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

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marcizhu 2021-06-21 17:32:11 +02:00
parent 2816b0cbd9
commit aa716726da
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1 changed files with 16 additions and 15 deletions
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31
backends/implot_opengl3.cpp
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@ -56,6 +56,10 @@ struct OpenGLContextData
ImVector<HeatmapData> HeatmapDataList; ///< Array of heatmap data
ImVector<GLuint> ColormapIDs; ///< Texture IDs of the colormap textures
ImGuiStorage PlotIDs; ///< PlotID <-> Heatmap array index table
ImVector<float> temp1;
ImVector<ImS32> temp2;
ImVector<ImU32> temp3;
};
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)
{
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++)
values2[i] = (float)values[i];
Context.temp1[i] = (float)values[i];
SetTextureData(plotID, values2, rows, cols, GL_FLOAT);
delete[] values2;
SetTextureData(plotID, Context.temp1.Data, rows, cols, GL_FLOAT);
}
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++)
values2[i] = (ImS32)values[i];
Context.temp2[i] = (ImS32)values[i];
SetTextureData(plotID, values2, rows, cols, GL_INT);
delete[] values2;
SetTextureData(plotID, Context.temp2.Data, rows, cols, GL_INT);
}
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++)
values2[i] = (ImU32)values[i];
Context.temp3[i] = (ImU32)values[i];
SetTextureData(plotID, values2, rows, cols, GL_UNSIGNED_INT);
delete[] values2;
SetTextureData(plotID, Context.temp3.Data, rows, cols, GL_UNSIGNED_INT);
}
void OpenGL3_RenderHeatmap(int plotID, ImDrawList& DrawList, const ImVec2& bounds_min, const ImVec2& bounds_max, float scale_min, float scale_max, ImPlotColormap colormap)