14b53e54ec
Co-authored-by: mwilsnd <mwilsnd@gmail.com> Co-authored-by: Alex Cristici <alex.cristici@gmail.com>
37 lines
1.0 KiB
C++
37 lines
1.0 KiB
C++
#include <mbgl/gl/drawable_gl_builder.hpp>
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#include <mbgl/gfx/drawable_builder_impl.hpp>
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#include <mbgl/gl/drawable_gl.hpp>
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namespace mbgl {
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namespace gl {
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gfx::DrawablePtr DrawableGLBuilder::createDrawable() const {
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return std::make_shared<DrawableGL>();
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};
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void DrawableGLBuilder::init() {
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const auto n = impl->vertices.elements();
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assert(n <= impl->indexes.elements());
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assert(n == impl->colors.size());
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// temp
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const auto vertSize = sizeof(Impl::VT) + 4 * sizeof(float);
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std::vector<uint8_t> rawVert(n * vertSize);
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auto p = &rawVert[0];
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for (auto i = 0ULL; i < n; ++i) {
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*(Impl::VT*)p = impl->vertices.at(i); p += sizeof(Impl::VT);
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*(float*)p = impl->colors[i].r; p += sizeof(float);
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*(float*)p = impl->colors[i].g; p += sizeof(float);
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*(float*)p = impl->colors[i].b; p += sizeof(float);
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*(float*)p = impl->colors[i].a; p += sizeof(float);
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}
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((DrawableGL*)currentDrawable.get())->setVertData(std::move(rawVert), impl->indexes.vector());
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}
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} // namespace gl
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} // namespace mbgl
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