unsigned int OpenGL::Helper::createProgramFromFiles(const char *name) {
std::string vertex_name = "data/compiled/shader/";
vertex_name += name;
vertex_name += "/vertex.glsl";
std::ifstream file(vertex_name.c_str(), std::ios::binary);
file.seekg(0, std::ios::end);
std::streamsize size = file.tellg();
file.seekg(0, std::ios::beg);
std::vector<char> vertex_buffer(size);
if (!file.read(vertex_buffer.data(), size)) {
fprintf(stderr, "Failed io operation for vertex shader %s\n", vertex_name.c_str());
return -1;
}
vertex_buffer.push_back('\0');
file.close();
std::string frag_name = "data/compiled/shader/";
frag_name += name;
frag_name += "/fragment.glsl";
std::ifstream file2(frag_name.c_str(), std::ios::binary);
file2.seekg(0, std::ios::end);
size = file2.tellg();
file2.seekg(0, std::ios::beg);
std::vector<char> frag_buffer(size);
if (!file2.read(frag_buffer.data(), size)) {
fprintf(stderr, "Failed io operation for frag shader %s\n", frag_name.c_str());
return -1;
}
frag_buffer.push_back('\0');
return createProgramFromMemory(vertex_buffer.data(), frag_buffer.data());
}
void DebugProcessor::draw_all()
{
assert(my_debug_material != nullptr);
if (!my_line_points.empty()) {
Mesh mesh;
VideoService &vs = core().video_service();
uptr<VideoBuffer> vertex_buffer(new VideoBuffer(vs, VideoBufferUsage::STATIC_DRAW));
uptr<VideoBuffer> color_buffer(new VideoBuffer(vs, VideoBufferUsage::STATIC_DRAW));
vertex_buffer->set_bytes(my_line_points.data(), my_line_points.size() * sizeof(Vec3f));
color_buffer->set_bytes(my_line_colors.data(), my_line_colors.size() * sizeof(Vec3f));
mesh.vertex = std::move(vertex_buffer);
mesh.color = std::move(color_buffer);
Uniforms &u = vs.get_uniforms();
u.color = Vec3f(1, 1, 1);
u.transformations.model = Mat4f();
u.model = Mat4f();
u.mvp = u.transformations.model_view_projection();
RenderContext context = { u, vs };
my_debug_material->material().draw_mesh(context, mesh);
}
}
