diff options
Diffstat (limited to 'source/blender/nodes/composite/nodes/node_composite_filter.cc')
| -rw-r--r-- | source/blender/nodes/composite/nodes/node_composite_filter.cc | 130 |
1 files changed, 128 insertions, 2 deletions
diff --git a/source/blender/nodes/composite/nodes/node_composite_filter.cc b/source/blender/nodes/composite/nodes/node_composite_filter.cc index c343c21feb2..bd7b443e17e 100644 --- a/source/blender/nodes/composite/nodes/node_composite_filter.cc +++ b/source/blender/nodes/composite/nodes/node_composite_filter.cc @@ -5,9 +5,14 @@ * \ingroup cmpnodes */ +#include "BLI_float3x3.hh" + #include "UI_interface.h" #include "UI_resources.h" +#include "COM_node_operation.hh" +#include "COM_utilities.hh" + #include "node_composite_util.hh" /* **************** FILTER ******************** */ @@ -16,8 +21,15 @@ namespace blender::nodes::node_composite_filter_cc { static void cmp_node_filter_declare(NodeDeclarationBuilder &b) { - b.add_input<decl::Float>(N_("Fac")).default_value(1.0f).min(0.0f).max(1.0f).subtype(PROP_FACTOR); - b.add_input<decl::Color>(N_("Image")).default_value({1.0f, 1.0f, 1.0f, 1.0f}); + b.add_input<decl::Float>(N_("Fac")) + .default_value(1.0f) + .min(0.0f) + .max(1.0f) + .subtype(PROP_FACTOR) + .compositor_domain_priority(1); + b.add_input<decl::Color>(N_("Image")) + .default_value({1.0f, 1.0f, 1.0f, 1.0f}) + .compositor_domain_priority(0); b.add_output<decl::Color>(N_("Image")); } @@ -26,6 +38,119 @@ static void node_composit_buts_filter(uiLayout *layout, bContext *UNUSED(C), Poi uiItemR(layout, ptr, "filter_type", UI_ITEM_R_SPLIT_EMPTY_NAME, "", ICON_NONE); } +using namespace blender::realtime_compositor; + +class FilterOperation : public NodeOperation { + public: + using NodeOperation::NodeOperation; + + void execute() override + { + GPUShader *shader = shader_manager().get(get_shader_name()); + GPU_shader_bind(shader); + + GPU_shader_uniform_mat3_as_mat4(shader, "kernel", get_filter_kernel().ptr()); + + const Result &input_image = get_input("Image"); + input_image.bind_as_texture(shader, "input_tx"); + + const Result &factor = get_input("Fac"); + factor.bind_as_texture(shader, "factor_tx"); + + const Domain domain = compute_domain(); + + Result &output_image = get_result("Image"); + output_image.allocate_texture(domain); + output_image.bind_as_image(shader, "output_img"); + + compute_dispatch_threads_at_least(shader, domain.size); + + input_image.unbind_as_texture(); + factor.unbind_as_texture(); + output_image.unbind_as_image(); + GPU_shader_unbind(); + } + + CMPNodeFilterMethod get_filter_method() + { + return (CMPNodeFilterMethod)bnode().custom1; + } + + float3x3 get_filter_kernel() + { + /* Initialize the kernels as arrays of rows with the top row first. Edge detection kernels + * return the kernel in the X direction, while the kernel in the Y direction will be computed + * inside the shader by transposing the kernel in the X direction. */ + switch (get_filter_method()) { + case CMP_NODE_FILTER_SOFT: { + const float kernel[3][3] = {{1.0f / 16.0f, 2.0f / 16.0f, 1.0f / 16.0f}, + {2.0f / 16.0f, 4.0f / 16.0f, 2.0f / 16.0f}, + {1.0f / 16.0f, 2.0f / 16.0f, 1.0f / 16.0f}}; + return float3x3(kernel); + } + case CMP_NODE_FILTER_SHARP_BOX: { + const float kernel[3][3] = { + {-1.0f, -1.0f, -1.0f}, {-1.0f, 9.0f, -1.0f}, {-1.0f, -1.0f, -1.0f}}; + return float3x3(kernel); + } + case CMP_NODE_FILTER_LAPLACE: { + const float kernel[3][3] = {{-1.0f / 8.0f, -1.0f / 8.0f, -1.0f / 8.0f}, + {-1.0f / 8.0f, 1.0f, -1.0f / 8.0f}, + {-1.0f / 8.0f, -1.0f / 8.0f, -1.0f / 8.0f}}; + return float3x3(kernel); + } + case CMP_NODE_FILTER_SOBEL: { + const float kernel[3][3] = {{1.0f, 0.0f, -1.0f}, {2.0f, 0.0f, -2.0f}, {1.0f, 0.0f, -1.0f}}; + return float3x3(kernel); + } + case CMP_NODE_FILTER_PREWITT: { + const float kernel[3][3] = {{1.0f, 0.0f, -1.0f}, {1.0f, 0.0f, -1.0f}, {1.0f, 0.0f, -1.0f}}; + return float3x3(kernel); + } + case CMP_NODE_FILTER_KIRSCH: { + const float kernel[3][3] = { + {5.0f, -3.0f, -2.0f}, {5.0f, -3.0f, -2.0f}, {5.0f, -3.0f, -2.0f}}; + return float3x3(kernel); + } + case CMP_NODE_FILTER_SHADOW: { + const float kernel[3][3] = {{1.0f, 2.0f, 1.0f}, {0.0f, 1.0f, 0.0f}, {-1.0f, -2.0f, -1.0f}}; + return float3x3(kernel); + } + case CMP_NODE_FILTER_SHARP_DIAMOND: { + const float kernel[3][3] = { + {0.0f, -1.0f, 0.0f}, {-1.0f, 5.0f, -1.0f}, {0.0f, -1.0f, 0.0f}}; + return float3x3(kernel); + } + default: { + const float kernel[3][3] = {{0.0f, 0.0f, 0.0f}, {0.0f, 1.0f, 0.0f}, {0.0f, 0.0f, 0.0f}}; + return float3x3(kernel); + } + } + } + + const char *get_shader_name() + { + switch (get_filter_method()) { + case CMP_NODE_FILTER_LAPLACE: + case CMP_NODE_FILTER_SOBEL: + case CMP_NODE_FILTER_PREWITT: + case CMP_NODE_FILTER_KIRSCH: + return "compositor_edge_filter"; + case CMP_NODE_FILTER_SOFT: + case CMP_NODE_FILTER_SHARP_BOX: + case CMP_NODE_FILTER_SHADOW: + case CMP_NODE_FILTER_SHARP_DIAMOND: + default: + return "compositor_filter"; + } + } +}; + +static NodeOperation *get_compositor_operation(Context &context, DNode node) +{ + return new FilterOperation(context, node); +} + } // namespace blender::nodes::node_composite_filter_cc void register_node_type_cmp_filter() @@ -39,6 +164,7 @@ void register_node_type_cmp_filter() ntype.draw_buttons = file_ns::node_composit_buts_filter; ntype.labelfunc = node_filter_label; ntype.flag |= NODE_PREVIEW; + ntype.get_compositor_operation = file_ns::get_compositor_operation; nodeRegisterType(&ntype); } |