// Creates the graphics pipeline object
void create_pipeline() {
// Vulkan shader stage descriptors
auto shader_stage_descriptors = get_layout().shader_stage_descriptors();
// Blend operation descriptor for each attachment
lib::vector<vk::vk_blend_op_descriptor> attachment_blend_ops;
for (auto &a : fb_layout) {
const framebuffer_attachment_layout &attachment = a.second;
// Blend operation is only applicable for color attachments
const bool is_depth_attachment = format_is_depth(attachment.image_format);
if (is_depth_attachment)
continue;
vk::vk_blend_op_descriptor desc = attachment.blend;
attachment_blend_ops.push_back(std::move(desc));
}
// Set viewport and scissor as dynamic states
lib::vector<VkDynamicState> dynamic_states = {
static_cast<VkDynamicState>(pipeline_dynamic_state::viewport),
static_cast<VkDynamicState>(pipeline_dynamic_state::scissor),
};
// Create the graphics pipeline object
graphics_pipeline.emplace(ctx.get().device(),
shader_stage_descriptors,
get_layout(),
device_renderpass.get(),
0,
VkViewport{},
VkRect2D{},
vertex_input_descriptor.vertex_input_binding_descriptors,
vertex_input_descriptor.vertex_input_attribute_descriptors,
static_cast<VkPrimitiveTopology>(pipeline_settings.topology),
pipeline_settings.rasterizer_op,
pipeline_settings.depth_op,
attachment_blend_ops,
pipeline_settings.blend_constants,
dynamic_states,
pipeline_name.data(),
&ctx.get().device().pipeline_cache().current_thread_cache());
}
bool has_depth() const
{
return format_is_depth(depth_stencil);
}
