| 34 | explicit GLMeshObjectImpl(ref_ptr<dp::MeshObject> mesh) : m_mesh(mesh) {} |
| 35 | |
| 36 | void Build(ref_ptr<dp::GraphicsContext> context, ref_ptr<dp::GpuProgram> program) override |
| 37 | { |
| 38 | UNUSED_VALUE(context); |
| 39 | |
| 40 | m_VAO = GLFunctions::glGenVertexArray(); |
| 41 | GLFunctions::glBindVertexArray(m_VAO); |
| 42 | |
| 43 | for (auto & buffer : m_mesh->m_buffers) |
| 44 | { |
| 45 | buffer->m_bufferId = GLFunctions::glGenBuffer(); |
| 46 | GLFunctions::glBindBuffer(buffer->m_bufferId, gl_const::GLArrayBuffer); |
| 47 | |
| 48 | if (buffer->GetSizeInBytes() != 0) |
| 49 | { |
| 50 | GLFunctions::glBufferData(gl_const::GLArrayBuffer, buffer->GetSizeInBytes(), buffer->GetData(), |
| 51 | gl_const::GLStaticDraw); |
| 52 | } |
| 53 | |
| 54 | if (!m_mesh->m_indices.empty()) |
| 55 | { |
| 56 | m_indexBuffer = GLFunctions::glGenBuffer(); |
| 57 | GLFunctions::glBindBuffer(m_indexBuffer, gl_const::GLElementArrayBuffer); |
| 58 | GLFunctions::glBufferData(gl_const::GLElementArrayBuffer, |
| 59 | static_cast<uint32_t>(m_mesh->m_indices.size() * sizeof(uint16_t)), |
| 60 | m_mesh->m_indices.data(), gl_const::GLStaticDraw); |
| 61 | } |
| 62 | |
| 63 | ref_ptr<dp::GLGpuProgram> p = program; |
| 64 | for (auto const & attribute : buffer->m_attributes) |
| 65 | { |
| 66 | int8_t const attributePosition = p->GetAttributeLocation(attribute.m_attributeName); |
| 67 | ASSERT_NOT_EQUAL(attributePosition, -1, ()); |
| 68 | GLFunctions::glEnableVertexAttribute(attributePosition); |
| 69 | GLFunctions::glVertexAttributePointer(attributePosition, attribute.m_componentsCount, attribute.m_type, false, |
| 70 | buffer->GetStrideInBytes(), attribute.m_offset); |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | GLFunctions::glBindVertexArray(0); |
| 75 | GLFunctions::glBindBuffer(0, gl_const::GLArrayBuffer); |
| 76 | if (!m_mesh->m_indices.empty()) |
| 77 | GLFunctions::glBindBuffer(0, gl_const::GLElementArrayBuffer); |
| 78 | } |
| 79 | |
| 80 | void Reset() override |
| 81 | { |
nothing calls this directly
no test coverage detected