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chore: decouple rendering & geometry generation logic

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This commit is contained in:
Beriff
2026-03-14 01:50:44 +07:00
parent 5e883e2d27
commit e7dc799f54
3 changed files with 21 additions and 8 deletions
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16
src/ui/vektorcanvas.c
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@@ -45,6 +45,7 @@ static GLuint shader_selection_uMaxLoc;
static GLuint vao;
VertexBuffer vb;
static size_t shape_vertex_count = 0;
static GLuint compile_shader(GLenum type, const char* src) {
GLuint shader = glCreateShader(type);
@@ -135,13 +136,11 @@ static void init_geometry(void) {
glBindVertexArray(0);
}
static gboolean render(GtkGLArea* a, GdkGLContext* ctx,
VektorCanvasRenderInfo* renderInfo) {
vb.count = 0;
void vektor_canvas_geometry_changed(VektorCanvasRenderInfo* renderInfo) {
vb.count = 0;
vektor_rasterize(&vb, renderInfo->shapes, renderInfo->zoom);
size_t shape_vertex_count =
vb.count; // remember how many vertices belong to shapes
shape_vertex_count = vb.count;
if (renderInfo->selectedShape != NULL &&
*(renderInfo->selectedShape) != NULL) {
@@ -166,6 +165,13 @@ static gboolean render(GtkGLArea* a, GdkGLContext* ctx,
vektor_vb_add_quad(&vb, bbox.min, bbox.max,
vektor_color_new(255, 255, 255, 255));
}
}
static gboolean render(GtkGLArea* a, GdkGLContext* ctx,
VektorCanvasRenderInfo* renderInfo) {
//vektor_canvas_geometry_changed(renderInfo);
glBufferData(GL_ARRAY_BUFFER, vb.count * sizeof(Vertex), vb.vertices,
GL_STATIC_DRAW);