diff options
Diffstat (limited to 'source/blender/nodes/composite/nodes/node_composite_movieclip.cc')
| -rw-r--r-- | source/blender/nodes/composite/nodes/node_composite_movieclip.cc | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/source/blender/nodes/composite/nodes/node_composite_movieclip.cc b/source/blender/nodes/composite/nodes/node_composite_movieclip.cc index a4d5f294fe0..b9d9620a214 100644 --- a/source/blender/nodes/composite/nodes/node_composite_movieclip.cc +++ b/source/blender/nodes/composite/nodes/node_composite_movieclip.cc @@ -5,8 +5,13 @@ * \ingroup cmpnodes */ +#include "BLI_math_vec_types.hh" + #include "BKE_context.h" #include "BKE_lib_id.h" +#include "BKE_movieclip.h" +#include "BKE_tracking.h" + #include "DNA_defaults.h" #include "RNA_access.h" @@ -14,6 +19,12 @@ #include "UI_interface.h" #include "UI_resources.h" +#include "GPU_shader.h" +#include "GPU_texture.h" + +#include "COM_node_operation.hh" +#include "COM_utilities.hh" + #include "node_composite_util.hh" namespace blender::nodes::node_composite_movieclip_cc { @@ -79,6 +90,184 @@ static void node_composit_buts_movieclip_ex(uiLayout *layout, bContext *C, Point uiTemplateColorspaceSettings(layout, &clipptr, "colorspace_settings"); } +using namespace blender::realtime_compositor; + +class MovieClipOperation : public NodeOperation { + public: + using NodeOperation::NodeOperation; + + void execute() override + { + GPUTexture *movie_clip_texture = get_movie_clip_texture(); + + compute_image(movie_clip_texture); + compute_alpha(movie_clip_texture); + compute_stabilization_data(movie_clip_texture); + + free_movie_clip_texture(); + } + + void compute_image(GPUTexture *movie_clip_texture) + { + if (!should_compute_output("Image")) { + return; + } + + Result &result = get_result("Image"); + + /* The movie clip texture is invalid or missing, set an appropriate fallback value. */ + if (!movie_clip_texture) { + result.allocate_invalid(); + return; + } + + const int2 size = int2(GPU_texture_width(movie_clip_texture), + GPU_texture_height(movie_clip_texture)); + result.allocate_texture(Domain(size)); + + GPUShader *shader = shader_manager().get("compositor_convert_color_to_half_color"); + GPU_shader_bind(shader); + + const int input_unit = GPU_shader_get_texture_binding(shader, "input_tx"); + GPU_texture_bind(movie_clip_texture, input_unit); + + result.bind_as_image(shader, "output_img"); + + compute_dispatch_threads_at_least(shader, size); + + GPU_shader_unbind(); + GPU_texture_unbind(movie_clip_texture); + result.unbind_as_image(); + } + + void compute_alpha(GPUTexture *movie_clip_texture) + { + if (!should_compute_output("Alpha")) { + return; + } + + Result &result = get_result("Alpha"); + + /* The movie clip texture is invalid or missing, set an appropriate fallback value. */ + if (!movie_clip_texture) { + result.allocate_single_value(); + result.set_float_value(1.0f); + return; + } + + const int2 size = int2(GPU_texture_width(movie_clip_texture), + GPU_texture_height(movie_clip_texture)); + result.allocate_texture(Domain(size)); + + GPUShader *shader = shader_manager().get("compositor_extract_alpha_from_color"); + GPU_shader_bind(shader); + + const int input_unit = GPU_shader_get_texture_binding(shader, "input_tx"); + GPU_texture_bind(movie_clip_texture, input_unit); + + result.bind_as_image(shader, "output_img"); + + compute_dispatch_threads_at_least(shader, size); + + GPU_shader_unbind(); + GPU_texture_unbind(movie_clip_texture); + result.unbind_as_image(); + } + + void compute_stabilization_data(GPUTexture *movie_clip_texture) + { + /* The movie clip texture is invalid or missing, set appropriate fallback values. */ + if (!movie_clip_texture) { + if (should_compute_output("Offset X")) { + Result &result = get_result("Offset X"); + result.allocate_single_value(); + result.set_float_value(0.0f); + } + if (should_compute_output("Offset Y")) { + Result &result = get_result("Offset Y"); + result.allocate_single_value(); + result.set_float_value(0.0f); + } + if (should_compute_output("Scale")) { + Result &result = get_result("Scale"); + result.allocate_single_value(); + result.set_float_value(1.0f); + } + if (should_compute_output("Angle")) { + Result &result = get_result("Angle"); + result.allocate_single_value(); + result.set_float_value(0.0f); + } + return; + } + + MovieClip *movie_clip = get_movie_clip(); + const int frame_number = BKE_movieclip_remap_scene_to_clip_frame(movie_clip, + context().get_frame_number()); + const int width = GPU_texture_width(movie_clip_texture); + const int height = GPU_texture_height(movie_clip_texture); + + /* If the movie clip has no stabilization data, it will initialize the given values with + * fallback values regardless, so no need to handle that case. */ + float2 offset; + float scale, angle; + BKE_tracking_stabilization_data_get( + movie_clip, frame_number, width, height, offset, &scale, &angle); + + if (should_compute_output("Offset X")) { + Result &result = get_result("Offset X"); + result.allocate_single_value(); + result.set_float_value(offset.x); + } + if (should_compute_output("Offset Y")) { + Result &result = get_result("Offset Y"); + result.allocate_single_value(); + result.set_float_value(offset.y); + } + if (should_compute_output("Scale")) { + Result &result = get_result("Scale"); + result.allocate_single_value(); + result.set_float_value(scale); + } + if (should_compute_output("Angle")) { + Result &result = get_result("Angle"); + result.allocate_single_value(); + result.set_float_value(angle); + } + } + + GPUTexture *get_movie_clip_texture() + { + MovieClip *movie_clip = get_movie_clip(); + MovieClipUser *movie_clip_user = get_movie_clip_user(); + BKE_movieclip_user_set_frame(movie_clip_user, context().get_frame_number()); + return BKE_movieclip_get_gpu_texture(movie_clip, movie_clip_user); + } + + void free_movie_clip_texture() + { + MovieClip *movie_clip = get_movie_clip(); + if (movie_clip) { + BKE_movieclip_free_gputexture(movie_clip); + } + } + + MovieClip *get_movie_clip() + { + return (MovieClip *)bnode().id; + } + + MovieClipUser *get_movie_clip_user() + { + return static_cast<MovieClipUser *>(bnode().storage); + } +}; + +static NodeOperation *get_compositor_operation(Context &context, DNode node) +{ + return new MovieClipOperation(context, node); +} + } // namespace blender::nodes::node_composite_movieclip_cc void register_node_type_cmp_movieclip() @@ -91,6 +280,7 @@ void register_node_type_cmp_movieclip() ntype.declare = file_ns::cmp_node_movieclip_declare; ntype.draw_buttons = file_ns::node_composit_buts_movieclip; ntype.draw_buttons_ex = file_ns::node_composit_buts_movieclip_ex; + ntype.get_compositor_operation = file_ns::get_compositor_operation; ntype.initfunc_api = file_ns::init; ntype.flag |= NODE_PREVIEW; node_type_storage( |