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Delayed loading of the opengl texture for the G-code preview legend,

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as the opengl context may not be ready on some platforms (Linux)
at the time the window gets its focus for the first time.

Changed the G-code preview invalidation to trigger when the print
gets invalidated. At that time the 3D path preview switches to the old
preview, if there is anything valid left.
This commit is contained in:
bubnikv 2018-02-15 14:37:53 +01:00
parent b5bdb46268
commit f9cdda7bfd
6 changed files with 68 additions and 79 deletions
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20
xs/src/slic3r/GUI/3DScene.hpp
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@ -421,20 +421,25 @@ class _3DScene
unsigned int m_tex_height;
public:
LegendTexture();
~LegendTexture();
LegendTexture() : m_tex_id(0), m_tex_width(0), m_tex_height(0) {}
~LegendTexture() { _destroy_texture(); }
bool generate_texture(const GCodePreviewData& preview_data, const std::vector<float>& tool_colors);
// Generate a texture data, but don't load it into the GPU yet, as the glcontext may not be valid yet.
bool generate(const GCodePreviewData& preview_data, const std::vector<float>& tool_colors);
// If not loaded, load the texture data into the GPU. Return a texture ID or 0 if the texture has zero size.
unsigned int finalize();
unsigned int get_texture_id() const;
unsigned int get_texture_width() const;
unsigned int get_texture_height() const;
unsigned int get_texture_id() const { return m_tex_id; }
unsigned int get_texture_width() const { return m_tex_width; }
unsigned int get_texture_height() const { return m_tex_height; }
void reset_texture();
void reset_texture() { _destroy_texture(); }
private:
bool _create_texture(const GCodePreviewData& preview_data, const wxBitmap& bitmap);
void _destroy_texture();
// generate() fills in m_data with the pixels, while finalize() moves the data to the GPU before rendering.
std::vector<unsigned char> m_data;
};
static LegendTexture s_legend_texture;
@ -449,6 +454,7 @@ public:
static unsigned int get_legend_texture_height();
static void reset_legend_texture();
static unsigned int finalize_legend_texture();
static void _load_print_toolpaths(
const Print *print,