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Use multiple index buffers to render toolpaths in preview

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This commit is contained in:
enricoturri1966 2020-09-16 15:45:53 +02:00
parent 743d6643ae
commit 7a10e23470
2 changed files with 480 additions and 411 deletions
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860
src/slic3r/GUI/GCodeViewer.cpp
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31
src/slic3r/GUI/GCodeViewer.hpp
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@ -18,6 +18,9 @@ namespace GUI {
class GCodeViewer
{
using Color = std::array<float, 3>;
using IndexBuffer = std::vector<unsigned int>;
using MultiIndexBuffer = std::vector<IndexBuffer>;
static const std::vector<Color> Extrusion_Role_Colors;
static const std::vector<Color> Options_Colors;
static const std::vector<Color> Travel_Colors;
@ -112,10 +115,12 @@ class GCodeViewer
{
struct Endpoint
{
// index into the indices buffer
unsigned int i_id{ 0u };
// sequential id
unsigned int s_id{ 0u };
// index of the index buffer
unsigned int b_id{ 0 };
// index into the index buffer
size_t i_id{ 0 };
// sequential id (index into the vertex buffer)
size_t s_id{ 0 };
Vec3f position{ Vec3f::Zero() };
};
@ -134,14 +139,15 @@ class GCodeViewer
bool matches(const GCodeProcessor::MoveVertex& move) const;
size_t vertices_count() const { return last.s_id - first.s_id + 1; }
bool contains(unsigned int id) const { return first.s_id <= id && id <= last.s_id; }
bool contains(size_t id) const { return first.s_id <= id && id <= last.s_id; }
};
// Used to batch the indices needed to render paths
struct RenderPath
{
Color color;
size_t path_id;
unsigned int path_id;
unsigned int index_buffer_id;
std::vector<unsigned int> sizes;
std::vector<size_t> offsets; // use size_t because we need an unsigned int whose size matches pointer's size (used in the call glMultiDrawElements())
};
@ -158,7 +164,7 @@ class GCodeViewer
ERenderPrimitiveType render_primitive_type;
VBuffer vertices;
IBuffer indices;
std::vector<IBuffer> indices;
std::string shader;
std::vector<Path> paths;
@ -166,7 +172,10 @@ class GCodeViewer
bool visible{ false };
void reset();
void add_path(const GCodeProcessor::MoveVertex& move, unsigned int i_id, unsigned int s_id);
// b_id index of buffer contained in this->indices
// i_id index of first index contained in this->indices[b_id]
// s_id index of first vertex contained in this->vertices
void add_path(const GCodeProcessor::MoveVertex& move, unsigned int b_id, size_t i_id, size_t s_id);
unsigned int indices_per_segment() const {
switch (render_primitive_type)
{
@ -194,6 +203,8 @@ class GCodeViewer
default: { return 0; }
}
}
bool has_data() const { return vertices.id != 0 && !indices.empty() && indices.front().id != 0; }
};
// helper to render shells
@ -350,8 +361,8 @@ public:
struct Endpoints
{
unsigned int first{ 0 };
unsigned int last{ 0 };
size_t first{ 0 };
size_t last{ 0 };
};
Endpoints endpoints;