diff options
Diffstat (limited to 'src/gui')
| -rw-r--r-- | src/gui/gui.zig | 1472 |
1 files changed, 751 insertions, 721 deletions
diff --git a/src/gui/gui.zig b/src/gui/gui.zig index ff99bd39..35fbc99d 100644 --- a/src/gui/gui.zig +++ b/src/gui/gui.zig @@ -21,6 +21,7 @@ const c_heap = @import("c_heap"); const ninep_io = @import("../9p_io.zig"); const detached_client = @import("../detached/client.zig"); +const tracy = @import("../tracy.zig"); pub const c = @cImport({ @cDefine("SDL_DISABLE_OLD_NAMES", "1"); @@ -37,6 +38,7 @@ const log = std.log.scoped(.gui); const font_ttf = @embedFile("AdwaitaMono-Regular.ttf"); const vert_spv = @embedFile("ui.vert.spv"); const frag_spv = @embedFile("ui.frag.spv"); +const decor_frag_spv = @embedFile("decor.frag.spv"); const overlay_vert_spv = @embedFile("overlay.vert.spv"); const overlay_frag_spv = @embedFile("overlay.frag.spv"); const image_vert_spv = @embedFile("image.vert.spv"); @@ -443,6 +445,11 @@ const CellInstance = extern struct { progress_bits: u32 = @bitCast(@as(f32, 1)), serial: u32 = 0, cell_coord: u32 = 0, + /// A clip rectangle in target pixels; x1 < x0 is none (ui.vert.glsl). + clip_x0: f32 = 0, + clip_y0: f32 = 0, + clip_x1: f32 = -1, + clip_y1: f32 = -1, }; const OverlayVertex = extern struct { @@ -545,7 +552,8 @@ test "saved native placement retains identity and geometry but no producer bytes } test "shader instance ABI carries aligned transition vectors" { - try std.testing.expectEqual(@as(usize, 104), @sizeOf(CellInstance)); + try std.testing.expectEqual(@as(usize, 120), @sizeOf(CellInstance)); + try std.testing.expectEqual(@as(usize, 104), @offsetOf(CellInstance, "clip_x0")); try std.testing.expectEqual(@as(usize, 56), @offsetOf(CellInstance, "panel_x0")); try std.testing.expectEqual(@as(usize, 72), @offsetOf(CellInstance, "present_x0")); try std.testing.expectEqual(@as(usize, 88), @offsetOf(CellInstance, "effect")); @@ -560,12 +568,17 @@ test "shader instance ABI carries aligned transition vectors" { .{ .pane = 1, .phase = .moving, .effect = .slide }, .{ .pane = 2, .phase = .moving, .effect = .slide }, }; - const plan = makePaintPlan(&tracks, true); - try std.testing.expectEqual(@as(usize, 4), plan.len); - try std.testing.expect(plan.batches[0].track == null); - try std.testing.expectEqual(@as(u8, 1), plan.batches[1].track.?.pane); - try std.testing.expectEqual(@as(u8, 2), plan.batches[2].track.?.pane); - try std.testing.expectEqual(@as(u8, 0), plan.batches[3].track.?.pane); + // Tier 0, the tracks as the core ordered them, then tiers 4 and 5. + const groups = makeGroups(&tracks, true); + try std.testing.expectEqual(@as(usize, 7), groups.len); + try std.testing.expect(groups.items[0].track == null); + try std.testing.expectEqual(@as(u8, 0), groups.items[1].track.?.pane); + try std.testing.expectEqual(@as(u8, 1), groups.items[2].track.?.pane); + try std.testing.expectEqual(@as(u8, 2), groups.items[3].track.?.pane); + try std.testing.expectEqual(@as(usize, 4), groups.notices); + try std.testing.expectEqual(@as(usize, 5), groups.guides); + try std.testing.expectEqual(@as(usize, 6), groups.ink); + for ([_]usize{ groups.notices, groups.guides, groups.ink }) |index| try std.testing.expect(groups.items[index].track == null); } test "GUI paint plan snaps history effects without a frozen grid" { @@ -573,11 +586,11 @@ test "GUI paint plan snaps history effects without a frozen grid" { .{ .pane = 0, .phase = .opening, .effect = .ascii }, .{ .pane = 1, .phase = .closing, .effect = .vertical }, }; - try std.testing.expectEqual(@as(usize, 1), makePaintPlan(&tracks, false).len); - const ready = makePaintPlan(&tracks, true); - try std.testing.expectEqual(@as(usize, 3), ready.len); - try std.testing.expectEqual(pardes.animation.Phase.opening, ready.batches[1].track.?.phase); - try std.testing.expectEqual(pardes.animation.Phase.closing, ready.batches[2].track.?.phase); + try std.testing.expectEqual(@as(usize, 0), makeGroups(&tracks, false).tracks); + const ready = makeGroups(&tracks, true); + try std.testing.expectEqual(@as(usize, 2), ready.tracks); + try std.testing.expectEqual(pardes.animation.Phase.opening, ready.items[1].track.?.phase); + try std.testing.expectEqual(pardes.animation.Phase.closing, ready.items[2].track.?.phase); } test "closing tombstone overlays but never owns canonical cells" { @@ -588,10 +601,10 @@ test "closing tombstone overlays but never owns canonical cells" { .from = .{ .x = 2, .y = 3, .w = 10, .h = 4 }, .to = .{ .x = 2, .y = -1, .w = 10, .h = 4 }, }; - const plan = makePaintPlan(&.{closing}, true); - try std.testing.expectEqual(@as(usize, 0), paintBatchAt(&plan, 4, 4)); - try std.testing.expectEqual(@as(usize, 2), plan.len); - try std.testing.expectEqual(pardes.animation.Phase.closing, plan.batches[1].track.?.phase); + const groups = makeGroups(&.{closing}, true); + try std.testing.expectEqual(@as(usize, 0), groupAt(&groups, 4, 4)); + try std.testing.expectEqual(@as(usize, 1), groups.tracks); + try std.testing.expectEqual(pardes.animation.Phase.closing, groups.items[1].track.?.phase); } fn updateCoreResize(core: *pardes.Pardes, cols: u16, rows: u16, cell_w: u32, cell_h: u32, tag_w: u32, tag_h: u32) bool { @@ -1745,6 +1758,7 @@ const Gui = struct { device: *c.SDL_GPUDevice, swapchain_format: c.SDL_GPUTextureFormat, pipeline: *c.SDL_GPUGraphicsPipeline, + decor_pipeline: *c.SDL_GPUGraphicsPipeline, overlay_pipeline: *c.SDL_GPUGraphicsPipeline, image_pipeline: *c.SDL_GPUGraphicsPipeline, crt_pipeline: *c.SDL_GPUGraphicsPipeline, @@ -1764,9 +1778,11 @@ const Gui = struct { native_images: std.AutoHashMapUnmanaged(pardes.ImageCacheKey, *c.SDL_GPUTexture) = .empty, presented_images: std.ArrayListUnmanaged(SavedImagePlace) = .empty, prepared_images: std.ArrayListUnmanaged(PreparedImage) = .empty, - /// renderFrame's cover of the grid by layers (coverLayers): this frame's - /// layers, then the layers a panel transition is leaving. - layer_cover: std.ArrayListUnmanaged(bool) = .empty, + /// renderFrame's cover of the grid (coverFrame): this frame's, then the + /// frame a panel transition is leaving. + cover: std.ArrayListUnmanaged(Cover) = .empty, + /// renderFrame's decor instances, group by group (buildDecor). + decor: std.ArrayListUnmanaged(CellInstance) = .empty, font: *c.UIFont, font_bytes: []u8 = &.{}, @@ -1996,47 +2012,127 @@ fn taglineLayoutForCell(g: *const Gui, col: u16) CellLayout { const boxContains = pardes.animation.Box.contains; -const PaintBatch = struct { +/// What one tier draws, or one track in tiers 2 and 3 (docs/render-pipeline.md +/// §3.4), in this order: its cells, its images, then its decor. +const Group = struct { track: ?pardes.animation.Track = null, cell_start: u32 = 0, cell_count: u32 = 0, image_start: u32 = 0, image_count: u32 = 0, + decor_start: u32 = 0, + decor_count: u32 = 0, }; -const PaintPlan = struct { - batches: [pardes.MAX_PANES * 2 + 1]PaintBatch = @splat(.{}), - len: usize = 1, +/// The frame's draw groups, bottom to top: tier 0 (the page and the panes +/// standing still), a group for each track in paint order (tier 2 moving and +/// opening, tier 3 closing), tier 4 (floating: the notices, then the guides +/// and the debug box, which the core paints over them) and tier 5 (ink: the +/// bar cursors; the pet and the touch overlay draw after it). Tier 1 is the +/// focus lift, which does not exist yet. +const Groups = struct { + items: [pardes.MAX_PANES * 2 + 4]Group = @splat(.{}), + /// Groups 1 through `tracks` are the tracks'. + tracks: usize = 0, + notices: usize = 1, + guides: usize = 2, + ink: usize = 3, + len: usize = 4, }; -fn makePaintPlan(tracks: []const pardes.animation.Track, has_diff: bool) PaintPlan { - var plan: PaintPlan = .{}; - for ([_]pardes.animation.Phase{ .moving, .opening, .closing }) |phase| { - for (tracks) |track| { - if (!track.active() or track.phase != phase) continue; - if (track.effect.needsPreviousGrid() and !has_diff) continue; - std.debug.assert(plan.len < plan.batches.len); - plan.batches[plan.len].track = track; - plan.len += 1; - } +fn makeGroups(tracks: []const pardes.animation.Track, has_diff: bool) Groups { + var groups: Groups = .{}; + for (tracks) |track| { + if (!track.active()) continue; + if (track.effect.needsPreviousGrid() and !has_diff) continue; + std.debug.assert(groups.tracks < pardes.MAX_PANES * 2); + groups.tracks += 1; + groups.items[groups.tracks].track = track; } - return plan; + groups.notices = groups.tracks + 1; + groups.guides = groups.tracks + 2; + groups.ink = groups.tracks + 3; + groups.len = groups.tracks + 4; + return groups; } -fn paintBatchAt(plan: *const PaintPlan, col: u16, row: u16) usize { - for (plan.batches[1..plan.len], 1..) |batch, index| { - if (batch.track.?.phase == .closing) continue; - if (boxContains(batch.track.?.to, col, row)) return index; +/// The group of the track whose pane covers this cell, else tier 0. +fn groupAt(groups: *const Groups, col: u16, row: u16) usize { + for (groups.items[1..][0..groups.tracks], 1..) |group, index| { + if (group.track.?.phase == .closing) continue; + if (boxContains(group.track.?.to, col, row)) return index; } return 0; } -fn paintBatchForSerial(plan: *const PaintPlan, serial: u32) usize { - for (plan.batches[1..plan.len], 1..) |batch, index| - if (batch.track.?.serial == serial) return index; +fn groupOf(groups: *const Groups, serial: u32) usize { + for (groups.items[1..][0..groups.tracks], 1..) |group, index| + if (group.track.?.serial == serial) return index; return 0; } +/// What draws a grid cell, marked once a frame from the layers and the +/// regions (coverFrame), so the cell loops read it rather than search. +const Cover = packed struct(u16) { + /// A layer draws it; the grid's copy is not drawn. + layer: bool = false, + /// Under a guide or the debug box: drawn from the grid over the panes. + floating: bool = false, + /// In a pane's grip, `grip_offset` cells from its left: the grip's + /// glyph is the cell that far to the left. + grip: bool = false, + grip_offset: u4 = 0, + /// In the focused pane's or column's tag rows. + focus: bool = false, + /// At a column's left edge, where a tag's anchor is inset. + anchor: bool = false, + _: u7 = 0, +}; + +/// Marks the grid cells a body or tag layer covers, which the layers paint +/// themselves, and what the regions say of the rest. Filling each rectangle +/// once replaces scanning every layer for every cell, which was a third of +/// the gui's CPU on a full screen of text. +fn coverFrame(cover: []Cover, cols: u16, rows: u16, body_layers: []const pardes.Layer, tag_layers: []const pardes.Layer, regions: []const pardes.Region) void { + @memset(cover, .{}); + const mark = struct { + fn rect(into: []Cover, width: u16, height: u16, r: pardes.Rect, comptime field: []const u8, value: anytype) void { + const right = @min(width, @as(u32, r.x) + r.w); + if (r.x >= right) return; + var y: u32 = r.y; + while (y < @min(height, @as(u32, r.y) + r.h)) : (y += 1) + for (into[y * width ..][r.x..right]) |*cell| { + @field(cell, field) = value; + }; + } + }; + for (body_layers) |*layer| { + if (layer.rows != 0) mark.rect(cover, cols, rows, layer.viewport, "layer", true); + } + for (tag_layers) |*layer| { + if (layer.rows != 0) mark.rect(cover, cols, rows, .{ .x = layer.viewport.x, .y = layer.viewport.y, .w = layer.viewport.w, .h = layer.rows }, "layer", true); + } + // The column bar's rows, which the focused column's tint spans. + var bar: ?pardes.Rect = null; + for (regions) |region| { + if (region.kind == .column_grip) bar = region.rect; + } + for (regions) |region| switch (region.kind) { + .grip => { + mark.rect(cover, cols, rows, region.rect, "grip", true); + for (0..@min(region.rect.w, 16)) |offset| mark.rect(cover, cols, rows, .{ .x = region.rect.x +| @as(u16, @intCast(offset)), .y = region.rect.y, .w = 1, .h = region.rect.h }, "grip_offset", @as(u4, @intCast(offset))); + if (region.active) mark.rect(cover, cols, rows, region.rect, "focus", true); + }, + .tag => if (region.active) mark.rect(cover, cols, rows, region.rect, "focus", true), + .column => { + mark.rect(cover, cols, rows, .{ .x = region.rect.x, .y = 0, .w = 1, .h = rows }, "anchor", true); + if (region.active) if (bar) |b| mark.rect(cover, cols, rows, .{ .x = region.rect.x, .y = b.y, .w = region.rect.w, .h = b.h }, "focus", true); + }, + .guide, .debug => mark.rect(cover, cols, rows, region.rect, "floating", true), + else => {}, + }; +} + fn panelCellCoord(track: pardes.animation.Track, col: u16, row: u16) u32 { const source = track.contentBox(); const x0: u16 = @intFromFloat(@max(0.0, @floor(source.x))); @@ -2101,6 +2197,15 @@ fn setTransitionFields( instance.progress_bits = @bitCast(active.amount()); instance.serial = active.serial; instance.cell_coord = cell_coord; + // A vertical transition shows its pane only inside the box it grows + // into, in whole pixels. + if (@hasField(@TypeOf(instance.*), "clip_x0") and active.effect == .vertical) { + const box = active.contentBox(); + instance.clip_x0 = std.math.clamp(@floor(box.x * layout.w), 0, win_w); + instance.clip_y0 = std.math.clamp(@floor(box.y * layout.h), 0, win_h); + instance.clip_x1 = std.math.clamp(@ceil((box.x + box.w) * layout.w), instance.clip_x0, win_w); + instance.clip_y1 = std.math.clamp(@ceil((box.y + box.h) * layout.h), instance.clip_y0, win_h); + } } pub const run = runNative; @@ -2276,7 +2381,8 @@ fn runNative(init: std.process.Init, opts_in: pardes.Options, attach: ?[]const u var ax_info = c.SDL_GPUTransferBufferCreateInfo{ .usage = c.SDL_GPU_TRANSFERBUFFERUSAGE_UPLOAD, .size = atlas_w * atlas_h, .props = 0 }; const atlas_xfer = c.SDL_CreateGPUTransferBuffer(device, &ax_info) orelse return error.GpuCreate; - const pipeline = try makePipeline(device, swapchain_format); + const pipeline = try makePipeline(device, swapchain_format, frag_spv, 1, std.mem.zeroes(c.SDL_GPUColorTargetBlendState)); + const decor_pipeline = try makePipeline(device, swapchain_format, decor_frag_spv, 0, backgroundLayerBlend()); const overlay_pipeline = try makeOverlayPipeline(device, swapchain_format); const image_pipeline = try makeImagePipeline(device, swapchain_format); const crt_pipeline = try makeCrtPipeline(device, swapchain_format); @@ -2306,6 +2412,7 @@ fn runNative(init: std.process.Init, opts_in: pardes.Options, attach: ?[]const u .device = device, .swapchain_format = swapchain_format, .pipeline = pipeline, + .decor_pipeline = decor_pipeline, .overlay_pipeline = overlay_pipeline, .image_pipeline = image_pipeline, .crt_pipeline = crt_pipeline, @@ -2343,6 +2450,7 @@ fn runNative(init: std.process.Init, opts_in: pardes.Options, attach: ?[]const u // regrown to; the image ones are released below. defer { c.SDL_ReleaseGPUGraphicsPipeline(device, g.pipeline); + c.SDL_ReleaseGPUGraphicsPipeline(device, g.decor_pipeline); c.SDL_ReleaseGPUGraphicsPipeline(device, g.overlay_pipeline); c.SDL_ReleaseGPUGraphicsPipeline(device, g.crt_pipeline); c.SDL_ReleaseGPUTexture(device, g.atlas_tex); @@ -2368,7 +2476,8 @@ fn runNative(init: std.process.Init, opts_in: pardes.Options, attach: ?[]const u g.native_images.deinit(gpa); g.presented_images.deinit(gpa); g.prepared_images.deinit(gpa); - g.layer_cover.deinit(gpa); + g.cover.deinit(gpa); + g.decor.deinit(gpa); } defer c.SDL_ReleaseGPUTransferBuffer(device, g.image_vxfer); defer c.SDL_ReleaseGPUBuffer(device, g.image_vbuf); @@ -2479,6 +2588,7 @@ fn localSession( .watches = &watches, .fs = fs, .test_mode = test_mode, + .test_clock = if (test_mode) host_io.testClock() else null, }; defer shell.shutdownPtys(); const host = shell.host(); @@ -2668,24 +2778,12 @@ fn attachedLoop(gpa: std.mem.Allocator, g: *Gui, client: *detached_client.Client } fn paintAttached(g: *Gui, gpa: std.mem.Allocator, client: *detached_client.Client) void { - var surface: pardes.Surface = .{ - .cols = client.cols, - .rows = client.rows, - .cells = client.grid.items, - .cursor = if (client.cursor) |cu| .{ .x = cu.x, .y = cu.y, .bar = cu.bar } else null, - .pointer_shape = client.pointer_shape, - .body_layers = client.body_layers, - .tag_layers = client.tag_layers, - }; - const chrome = frameChromeBg(&surface); + var surface = attachedSurface(client); _ = renderFrame( g, gpa, null, &surface, - null, - chrome, - chrome, .{}, false, ) catch |err| blk: { @@ -2694,17 +2792,67 @@ fn paintAttached(g: *Gui, gpa: std.mem.Allocator, client: *detached_client.Clien }; } -fn frameChromeBg(surface: *const pardes.Surface) [3]u8 { - if (surface.rows == 0 or surface.cols == 0) return bg_default; - for (surface.cells[0..surface.cols]) |cell| { - if (cell.default or cell.style.font_role != .tagline) continue; - return switch (cell.style.bg) { - .default => bg_default, - .index => |i| palColor(i), - .rgb => |rgb| rgb, - }; - } - return bg_default; +/// The session's frame as a surface: its cells, layers, regions and palette, +/// so its chrome is drawn from them as a local one's is. +fn attachedSurface(client: *const detached_client.Client) pardes.Surface { + var surface: pardes.Surface = .{ + .cols = client.cols, + .rows = client.rows, + .cells = client.grid.items, + .cursor = if (client.cursor) |cu| .{ .x = cu.x, .y = cu.y, .bar = cu.bar } else null, + .pointer_shape = client.pointer_shape, + .body_layers = client.body_layers, + .tag_layers = client.tag_layers, + .chrome = client.chrome, + }; + const placed = client.regions.items[0..@min(client.regions.items.len, surface.regions.len)]; + @memcpy(surface.regions[0..placed.len], placed); + surface.nregions = @intCast(placed.len); + return surface; +} + +test "an attached frontend draws the session's chrome from its frame alone" { + const gpa = std.testing.allocator; + const core = try pardes.Pardes.init(gpa, .{ .cols = 80, .rows = 24 }); + defer core.deinit(); + // A gui-shaped core, whose tags and notices are layers. + core.update(.{ .resize = .{ .cols = 80, .rows = 24, .row_metrics = .{ .body_w = 10, .body_h = 20, .tagline_w = 6, .tagline_h = 12 } } }); + _ = try core.newShell(1, ""); + try std.testing.expect(pardes.layout.splitColumn(core, 0, 1, false)); + core.settings.focus_tint = true; + try std.testing.expect(core.executeBuiltinLine(0, "Msg a notice with a rule under it")); + pardes.test_api.sync(core); + // Past its slide into place, where its rule shows. + for (0..30) |_| core.update(.tick); + const s = try core.render(core.scratch.allocator()); + + const wire = @import("../detached/wire.zig"); + var client: detached_client.Client = .{ .gpa = gpa }; + defer client.deinit(); + var welcome: [64]u8 = undefined; + try client.in.appendSlice(gpa, try wire.encodeServer(&welcome, .{ .welcome = .{ .slot = 0, .cols = s.cols, .rows = s.rows } })); + const out = try gpa.alloc(u8, wire.frameBound(s.cols, s.rows) + wire.layersBound(&s.body_layers, &s.tag_layers, s.regionList())); + defer gpa.free(out); + try client.in.appendSlice(gpa, try wire.encodeFrameLayers(out, s.cols, s.rows, null, s.pointer_shape, s.cells, &.{}, &s.body_layers, &s.tag_layers, s.regionList(), s.chrome)); + _ = try client.next(); + _ = try client.next(); + const attached = attachedSurface(&client); + + var g: Gui = undefined; + g.cell_w = 10; + g.cell_h = 20; + g.tagline_width = 6; + g.tagline_height = 12; + g.decor = .empty; + defer g.decor.deinit(gpa); + var groups = makeGroups(&.{}, false); + try buildDecor(&g, gpa, s, &groups, fixedCellLayout(&g), 800, 480, true); + const local = try gpa.dupe(CellInstance, g.decor.items); + defer gpa.free(local); + try std.testing.expect(local.len > 8); + try std.testing.expect(groups.items[groups.notices].decor_count != 0); + try buildDecor(&g, gpa, &attached, &groups, fixedCellLayout(&g), 800, 480, true); + try std.testing.expectEqualSlices(u8, std.mem.sliceAsBytes(local), std.mem.sliceAsBytes(g.decor.items)); } fn runGrid(init: std.process.Init, opts_in: pardes.Options) !void { @@ -3708,6 +3856,8 @@ const Shell = struct { saw_event: bool = false, dump_err: ?anyerror = null, retired_shells: [pardes.MAX_PANES]RetiredShell = @splat(.{}), + /// PARDES_TEST_CLOCK's virtual time (host_io.testClock), in test mode. + test_clock: ?u64 = null, fn reap(s: *Shell) void { const now = shellClock(); @@ -3898,13 +4048,31 @@ fn waitInput(ctx: ?*anyopaque, timeout_ms: u32) void { var in: Input = .{ .core = core }; if (s.gui) |g| { var sev = std.mem.zeroes(c.SDL_Event); + // Idle is asleep until an event: SDL's own, and the user events the + // shell's queue raises for a terminal's output, a completion, a file + // system request. What the shell moves or times itself polls every + // frame: a smooth scroll, a gamepad's sticks, the test stdin feed, + // a retired shell waiting to be killed, a present to retry. A + // minimized window sleeps through the core's animation too: nothing + // shows it, and it is caught up at once when the window is back. + const retiring = for (s.retired_shells) |child| { + if (child.kill_at != 0) break true; + } else for (s.ptys) |slot| { + if (slot) |pt| if (pt.kill_at != 0) break true; + } else false; + const polls = g.scroll_lag != 0 or g.scroll_delta != 0 or g.gamepad != null or s.test_mode or core.needs_frame or retiring; + const minimized = !s.test_mode and c.SDL_GetWindowFlags(g.window) & (c.SDL_WINDOW_MINIMIZED | c.SDL_WINDOW_OCCLUDED) != 0; // A latency trace is fed on stdin, whose poll below paces the loop: // waiting here too would make every tick cost two frames. - const ms: c_int = if (latency_fd >= 0) 0 else if (timeout_ms != 0) @intCast(timeout_ms) else 16; + const ms: c_int = if (latency_fd >= 0) 0 else if (minimized) -1 else if (timeout_ms != 0) @intCast(timeout_ms) else if (polls) 16 else -1; // The wait is the 9P connections' turn with the core. pardes.turn.rest(); const got = c.SDL_WaitEventTimeout(&sev, ms); pardes.turn.wake(); + // The core's wake ran out: a virtual clock moves exactly there. + if (!got and timeout_ms != 0) if (s.test_clock) |*virtual| { + virtual.* = @max(virtual.*, core.nextWake() orelse virtual.*); + }; if (got) { // A run of queued motions is one move to its last position (the // handler reads only absolute x/y and held buttons): acting on @@ -4044,9 +4212,6 @@ fn present(ctx: ?*anyopaque, surface: *const pardes.Surface) void { s.gpa, core, frame, - core.theme().bg, - config.gui_topbar_pane_border_rgb orelse core.chromeTheme().border, - core.chromeTheme().tag_bg, core.settings.scene_effects, core.settings.debug, ) catch |err| blk: { @@ -4078,8 +4243,8 @@ fn postPresent(ctx: ?*anyopaque) void { s.core.acknowledgePanelPresentation(frame.panelTracks()); } -fn guiNow(_: ?*anyopaque) u64 { - return c.SDL_GetTicksNS(); +fn guiNow(ctx: ?*anyopaque) u64 { + return shellOf(ctx).test_clock orelse c.SDL_GetTicksNS(); } fn gridPollFrame(ctx: ?*anyopaque) void { @@ -4846,7 +5011,7 @@ fn prepareNativeImages( gpa: std.mem.Allocator, cmd: *c.SDL_GPUCommandBuffer, surface: *pardes.Surface, - plan: *PaintPlan, + groups: *Groups, sw: u32, sh: u32, ) bool { @@ -4872,9 +5037,9 @@ fn prepareNativeImages( } g.prepared_images.clearRetainingCapacity(); - for (plan.batches[0..plan.len], 0..) |*batch, batch_index| { - batch.image_start = std.math.cast(u32, g.prepared_images.items.len) orelse return false; - const track = batch.track; + for (groups.items[0..groups.len], 0..) |*group, group_index| { + group.image_start = std.math.cast(u32, g.prepared_images.items.len) orelse return false; + const track = group.track; if (track) |active| { if (active.phase == .closing) { @@ -4894,7 +5059,7 @@ fn prepareNativeImages( for (surface.images[0..surface.nimages]) |maybe| { const current = maybe orelse continue; if (validImageBytes(current) == null or - paintBatchForSerial(plan, current.serial) != batch_index) continue; + groupOf(groups, current.serial) != group_index) continue; const saved = SavedImagePlace.from(current); const current_track = if (track) |active| switch (active.effect) { .dissolve => if (snapshotContainsPlacement(g, current)) null else active, @@ -4903,7 +5068,7 @@ fn prepareNativeImages( appendPreparedImage(g, gpa, saved, current_track, null, false); } } - if (batch_index == 0) for (plan.batches[1..plan.len]) |tracked| { + if (group_index == 0) for (groups.items[1..][0..groups.tracks]) |tracked| { const active = tracked.track.?; if (active.effect != .vertical or active.phase != .opening) continue; for (g.presented_images.items) |saved| { @@ -4912,7 +5077,7 @@ fn prepareNativeImages( } }; const image_end = std.math.cast(u32, g.prepared_images.items.len) orelse return false; - batch.image_count = image_end - batch.image_start; + group.image_count = image_end - group.image_start; } const capacity = std.math.cast(u32, g.prepared_images.items.len) orelse return false; @@ -4981,11 +5146,10 @@ fn drawNativeImagesGpu( g: *Gui, rp: ?*c.SDL_GPURenderPass, surface: *pardes.Surface, - plan: *const PaintPlan, - batch_index: usize, + batch: Group, + whole: c.SDL_Rect, ) void { const pass = rp orelse return; - const batch = plan.batches[batch_index]; c.SDL_BindGPUGraphicsPipeline(pass, g.image_pipeline); const max_w = @as(u32, surface.cols) * g.cell_w; const max_h = @as(u32, surface.rows) * g.cell_h; @@ -5004,12 +5168,8 @@ fn drawNativeImagesGpu( idx += 1; } std.debug.assert(idx == batch.image_start + batch.image_count); - const whole = c.SDL_Rect{ - .x = 0, - .y = 0, - .w = @intCast(@as(u32, surface.cols) * g.cell_w), - .h = @intCast(@as(u32, surface.rows) * g.cell_h), - }; + // Back to the whole target: what draws after a picture may run on past + // the grid, as a rule and a band do. c.SDL_SetGPUScissor(pass, &whole); } @@ -5018,9 +5178,6 @@ fn renderFrame( gpa: std.mem.Allocator, core: ?*const pardes.Pardes, surface: *pardes.Surface, - theme_bg: ?[3]u8, - topbar_pane_border_rgb: [3]u8, - tagline_rgb: [3]u8, scene_effects: pardes.animation.SceneEffect, debug_on: bool, ) !bool { @@ -5084,45 +5241,39 @@ fn renderFrame( }; const scene: *c.SDL_GPUTexture = if (scene_on) g.scene_tex.? else target; + // The frame's CPU side: groups, decor, cover and every instance, up to + // their upload. + const build_zone = tracy.zone(@src(), "gui frame build"); + var building = true; + defer if (building) build_zone.end(); const layout = fixedCellLayout(g); - var paint_plan = makePaintPlan(surface.panelTracks(), surface.hasPanelDiff()); - var overlay_count = buildOverlay( - g, - core, - surface, - layout, - sw, - sh, - topbar_pane_border_rgb, - tagline_rgb, - paint_plan.len == 1, - debug_on, - ); + const chrome = &surface.chrome; + var groups = makeGroups(surface.panelTracks(), surface.hasPanelDiff()); + // Cursors stand still while panes move, as they always have. + const cursors_shown = groups.tracks == 0; + var overlay_count = buildOverlay(g, core, surface, sw, sh, debug_on); if (overlay_count != 0 and !uploadOverlayGpu(g, cmd, overlay_count)) overlay_count = 0; - if (!prepareNativeImages(g, gpa, cmd, surface, &paint_plan, sw, sh)) { + if (!prepareNativeImages(g, gpa, cmd, surface, &groups, sw, sh)) { g.prepared_images.clearRetainingCapacity(); - for (paint_plan.batches[0..paint_plan.len]) |*batch| { - batch.image_start = 0; - batch.image_count = 0; + for (groups.items[0..groups.len]) |*group| { + group.image_start = 0; + group.image_count = 0; } } const cells: u32 = @as(u32, surface.cols) * surface.rows; - try g.layer_cover.resize(gpa, @as(usize, cells) * 2); - const covered = g.layer_cover.items[0..cells]; - coverLayers(covered, surface.cols, surface.rows, surface.bodyLayers(), surface.tagLayers()); + try g.cover.resize(gpa, @as(usize, cells) * 2); + const covered = g.cover.items[0..cells]; + coverFrame(covered, surface.cols, surface.rows, surface.bodyLayers(), surface.tagLayers(), surface.regionList()); // Only a panel transition paints the grid under the layers it leaves. - const previous_covered = g.layer_cover.items[cells..]; - if (paint_plan.len > 1) - coverLayers(previous_covered, surface.cols, surface.rows, surface.previous_body_layers, surface.previous_tag_layers); + const previous_covered = g.cover.items[cells..]; + if (groups.tracks != 0) + coverFrame(previous_covered, surface.cols, surface.rows, surface.previous_body_layers, surface.previous_tag_layers, surface.previous_regions); + try buildDecor(g, gpa, surface, &groups, layout, win_w, win_h, cursors_shown); - const page = ground(theme_bg, g.transparent); + const page = ground(chrome.page, g.transparent); const background_opacity = backgroundOpacity(g.applied_window_opacity); - const tagline_base = pardes.Cell{ - .style = .{ .bg = .{ .rgb = tagline_rgb }, .font_role = .tagline }, - .default = false, - }; var color_target = std.mem.zeroes(c.SDL_GPUColorTargetInfo); color_target.texture = scene; color_target.clear_color = if (page.clear) .{ .r = 0, .g = 0, .b = 0, .a = 0 } else .{ @@ -5139,28 +5290,21 @@ fn renderFrame( while (row < surface.rows) : (row += 1) { var col: u16 = 0; while (col < surface.cols) : (col += 1) { - if (covered[@as(usize, row) * surface.cols + col]) continue; - const batch_index = paintBatchAt(&paint_plan, col, row); - const track = paint_plan.batches[batch_index].track; - const data_effect = if (track) |active| - active.effect == .dissolve - else - false; - const data_diff = data_effect and gripCellChanged(surface, col, row); - const logical_idx: u32 = @as(u32, row) * surface.cols + col; + const at = @as(usize, row) * surface.cols + col; + if (covered[at].layer and !covered[at].floating) continue; + const group_index = if (covered[at].floating) groups.guides else groupAt(&groups, col, row); + const track = groups.items[group_index].track; + const data_effect = if (track) |active| active.effect == .dissolve else false; + const data_diff = data_effect and gripCellChanged(surface, covered, previous_covered, col, row); const instance_count = if (data_diff) - cellInstanceCount(&surface.previous_cells[logical_idx]) + cellInstanceCount(surface.at(col, row)) + cellInstanceCount(&surface.previous_cells[at]) + cellInstanceCount(&surface.cells[at]) else - cellInstanceCount(surface.at(col, row)); - paint_plan.batches[batch_index].cell_count = std.math.add( - u32, - paint_plan.batches[batch_index].cell_count, - instance_count, - ) catch return error.GpuCapacity; + cellInstanceCount(&surface.cells[at]); + groups.items[group_index].cell_count = std.math.add(u32, groups.items[group_index].cell_count, instance_count) catch return error.GpuCapacity; } } - for (paint_plan.batches[1..paint_plan.len]) |*batch| { - const track = batch.track.?; + for (groups.items[1..][0..groups.tracks]) |*group| { + const track = group.track.?; const duplicate_under = track.effect == .vertical and track.phase == .opening; if (!duplicate_under and track.phase != .closing) continue; row = 0; @@ -5168,33 +5312,29 @@ fn renderFrame( var col: u16 = 0; while (col < surface.cols) : (col += 1) { if (!boxContains(track.contentBox(), col, row)) continue; - if (previous_covered[@as(usize, row) * surface.cols + col]) continue; - const destination = if (duplicate_under) &paint_plan.batches[0] else batch; - const logical_idx: u32 = @as(u32, row) * surface.cols + col; - destination.cell_count = std.math.add( - u32, - destination.cell_count, - cellInstanceCount(&surface.previous_cells[logical_idx]), - ) catch return error.GpuCapacity; + const at = @as(usize, row) * surface.cols + col; + if (previous_covered[at].layer) continue; + const destination = if (duplicate_under) &groups.items[0] else group; + destination.cell_count = std.math.add(u32, destination.cell_count, cellInstanceCount(&surface.previous_cells[at])) catch return error.GpuCapacity; } } } for (surface.bodyLayers()) |*layer| { if (layer.rows == 0) continue; - const batch = &paint_plan.batches[paintBatchAt(&paint_plan, layer.viewport.x, layer.viewport.y)]; + const group = &groups.items[groupAt(&groups, layer.viewport.x, layer.viewport.y)]; const bottom = @as(f32, @floatFromInt(layer.viewport.y + layer.viewport.h)) * layout.h; for (0..layer.rows) |lr| { if (layer.rowTop(@intCast(lr), layout.h, @floatFromInt(g.tagline_height)) >= bottom) break; - batch.cell_count += layer.cols + @as(u32, if (lr < layer.context_rows) 1 else 0) + @as(u32, @intFromBool(layer.hasContextBorderAfter(lr))); + group.cell_count += layer.cols + @as(u32, if (lr < layer.context_rows) 1 else 0) + @as(u32, @intFromBool(layer.hasContextBorderAfter(lr))); } } - for (paint_plan.batches[1..paint_plan.len], 1..) |batch, batch_index| { - const track = batch.track.?; + for (groups.items[1..][0..groups.tracks], 1..) |group, index| { + const track = group.track.?; const under = track.effect == .vertical and track.phase == .opening; if (!under and track.phase != .closing and track.effect != .dissolve) continue; for (surface.previous_body_layers) |*layer| { if (layer.rows == 0 or layer.serial != track.serial) continue; - const destination = if (under) &paint_plan.batches[0] else &paint_plan.batches[batch_index]; + const destination = &groups.items[if (under) 0 else index]; const bottom = @as(f32, @floatFromInt(layer.viewport.y + layer.viewport.h)) * layout.h; for (0..layer.rows) |lr| { if (layer.rowTop(@intCast(lr), layout.h, @floatFromInt(g.tagline_height)) >= bottom) break; @@ -5204,28 +5344,28 @@ fn renderFrame( } for (surface.tagLayers()) |*layer| { if (layer.rows == 0) continue; - const batch = &paint_plan.batches[paintBatchAt(&paint_plan, layer.viewport.x, layer.viewport.y)]; - batch.cell_count += (tagLayerCellCount(g, layer) + 1) * layer.rows; + const group_index = if (layer.kind == .notice) groups.notices else groupAt(&groups, layer.viewport.x, layer.viewport.y); + groups.items[group_index].cell_count += (tagLayerCellCount(g, layer) + 1) * layer.rows; } - for (paint_plan.batches[1..paint_plan.len], 1..) |batch, batch_index| { - const track = batch.track.?; + for (groups.items[1..][0..groups.tracks], 1..) |group, index| { + const track = group.track.?; const under = track.effect == .vertical and track.phase == .opening; if (!under and track.phase != .closing and track.effect != .dissolve) continue; for (surface.previous_tag_layers) |*layer| { if (layer.rows == 0 or layer.kind != .pane or layer.serial != track.serial) continue; - const destination = if (under) &paint_plan.batches[0] else &paint_plan.batches[batch_index]; - destination.cell_count += (tagLayerCellCount(g, layer) + 1) * layer.rows; + groups.items[if (under) 0 else index].cell_count += (tagLayerCellCount(g, layer) + 1) * layer.rows; } } - var cell_next: [pardes.MAX_PANES * 2 + 1]u32 = @splat(0); + var cell_next: [pardes.MAX_PANES * 2 + 4]u32 = @splat(0); var cell_total: u32 = 0; - for (paint_plan.batches[0..paint_plan.len], 0..) |*batch, batch_index| { - batch.cell_start = cell_total; - cell_next[batch_index] = cell_total; - cell_total = std.math.add(u32, cell_total, batch.cell_count) catch return error.GpuCapacity; + for (groups.items[0..groups.len], 0..) |*group, index| { + group.cell_start = cell_total; + cell_next[index] = cell_total; + cell_total = std.math.add(u32, cell_total, group.cell_count) catch return error.GpuCapacity; } - if (cell_total != 0) { - const capacity = std.math.add(u32, cell_total, cells) catch return error.GpuCapacity; + const decor_len: u32 = @intCast(g.decor.items.len); + if (cell_total != 0 or decor_len != 0) { + const capacity = std.math.add(u32, cell_total, cells + decor_len) catch return error.GpuCapacity; try ensureVbuf(g, capacity); const vptr: [*]u8 = @ptrCast(c.SDL_MapGPUTransferBuffer(g.device, g.vxfer.?, false) orelse { @@ -5239,45 +5379,40 @@ fn renderFrame( row = 0; while (row < surface.rows) : (row += 1) { const line = surface.cells[@as(usize, row) * surface.cols ..][0..surface.cols]; + const line_cover = covered[@as(usize, row) * surface.cols ..][0..surface.cols]; const line_cursor: ?usize = if (surface.cursor) |cu| if (cu.y == row) cu.x else null else null; var col: u16 = 0; while (col < surface.cols) : (col += 1) { - if (covered[@as(usize, row) * surface.cols + col]) continue; - const batch_index = paintBatchAt(&paint_plan, col, row); - const track = paint_plan.batches[batch_index].track; - const logical_idx: u32 = @as(u32, row) * surface.cols + col; - const data_effect = if (track) |active| - active.effect == .dissolve - else - false; - const data_diff = data_effect and gripCellChanged(surface, col, row); - if (data_diff) { - emitSurfaceCell( - g, - core, - instances, - &cell_next[batch_index], - col, - row, - layout, - win_w, - win_h, - track, - surface.previous_cells[@as(usize, row) * surface.cols ..][0..surface.cols], - col, - null, - &tagline_base, - paneGripCell(surface.previous_tag_layers, surface.previous_cells, surface.cols, col, row), - true, - false, - page, - ); - } + const at = @as(usize, row) * surface.cols + col; + if (covered[at].layer and !covered[at].floating) continue; + const group_index = if (covered[at].floating) groups.guides else groupAt(&groups, col, row); + const track = groups.items[group_index].track; + const data_effect = if (track) |active| active.effect == .dissolve else false; + const data_diff = data_effect and gripCellChanged(surface, covered, previous_covered, col, row); + if (data_diff) emitSurfaceCell( + g, + chrome, + instances, + &cell_next[group_index], + col, + row, + layout, + win_w, + win_h, + track, + surface.previous_cells[@as(usize, row) * surface.cols ..][0..surface.cols], + previous_covered[@as(usize, row) * surface.cols ..][0..surface.cols], + col, + null, + true, + false, + page, + ); emitSurfaceCell( g, - core, + chrome, instances, - &cell_next[batch_index], + &cell_next[group_index], col, row, layout, @@ -5285,12 +5420,11 @@ fn renderFrame( win_h, if (data_effect and !data_diff) null else track, line, + line_cover, col, line_cursor, - &tagline_base, - paneGripCell(surface.tagLayers(), surface.cells, surface.cols, col, row), false, - paint_plan.len == 1 and logical_idx == cursor_idx and !cursor_bar and bodyLayerAt(surface, col, row) == null, + cursors_shown and at == cursor_idx and !cursor_bar and bodyLayerAt(surface, col, row) == null, page, ); } @@ -5299,36 +5433,36 @@ fn renderFrame( // is a tag layer, and instances paint in emission order. for (surface.bodyLayers()) |*layer| { if (layer.rows == 0) continue; - const batch_index = paintBatchAt(&paint_plan, layer.viewport.x, layer.viewport.y); - emitBodyLayer(g, instances, &cell_next[batch_index], layer, win_w, win_h, paint_plan.batches[batch_index].track, page, paint_plan.len == 1, false, topbar_pane_border_rgb); + const group_index = groupAt(&groups, layer.viewport.x, layer.viewport.y); + emitBodyLayer(g, instances, &cell_next[group_index], layer, win_w, win_h, groups.items[group_index].track, page, cursors_shown, false, chrome.topbar_rule); } for (surface.tagLayers()) |*layer| { if (layer.rows == 0) continue; - const batch_index = paintBatchAt(&paint_plan, layer.viewport.x, layer.viewport.y); - emitTagLayer(g, instances, &cell_next[batch_index], layer, win_w, win_h, paint_plan.batches[batch_index].track, page, paint_plan.len == 1, false); + const track_index = groupAt(&groups, layer.viewport.x, layer.viewport.y); + // A notice floats over the panes, moving with its own. + const group_index = if (layer.kind == .notice) groups.notices else track_index; + emitTagLayer(g, instances, &cell_next[group_index], layer, win_w, win_h, groups.items[track_index].track, page, cursors_shown, false); } - for (paint_plan.batches[1..paint_plan.len], 1..) |batch, batch_index| { - const track = batch.track.?; + for (groups.items[1..][0..groups.tracks], 1..) |group, index| { + const track = group.track.?; const under = track.effect == .vertical and track.phase == .opening; if (!under and track.phase != .closing and track.effect != .dissolve) continue; for (surface.previous_tag_layers) |*layer| { if (layer.rows == 0 or layer.kind != .pane or layer.serial != track.serial) continue; - const destination: usize = if (under) 0 else batch_index; - emitTagLayer(g, instances, &cell_next[destination], layer, win_w, win_h, if (under) null else track, page, false, track.effect == .dissolve); + emitTagLayer(g, instances, &cell_next[if (under) 0 else index], layer, win_w, win_h, if (under) null else track, page, false, track.effect == .dissolve); } } - for (paint_plan.batches[1..paint_plan.len], 1..) |batch, batch_index| { - const track = batch.track.?; + for (groups.items[1..][0..groups.tracks], 1..) |group, index| { + const track = group.track.?; const under = track.effect == .vertical and track.phase == .opening; if (!under and track.phase != .closing and track.effect != .dissolve) continue; for (surface.previous_body_layers) |*layer| { if (layer.rows == 0 or layer.serial != track.serial) continue; - const destination: usize = if (under) 0 else batch_index; - emitBodyLayer(g, instances, &cell_next[destination], layer, win_w, win_h, if (under) null else track, page, false, track.effect == .dissolve, topbar_pane_border_rgb); + emitBodyLayer(g, instances, &cell_next[if (under) 0 else index], layer, win_w, win_h, if (under) null else track, page, false, track.effect == .dissolve, chrome.topbar_rule); } } - for (paint_plan.batches[1..paint_plan.len], 1..) |batch, batch_index| { - const track = batch.track.?; + for (groups.items[1..][0..groups.tracks], 1..) |group, index| { + const track = group.track.?; const duplicate_under = track.effect == .vertical and track.phase == .opening; if (!duplicate_under and track.phase != .closing) continue; row = 0; @@ -5336,13 +5470,12 @@ fn renderFrame( var col: u16 = 0; while (col < surface.cols) : (col += 1) { if (!boxContains(track.contentBox(), col, row)) continue; - if (previous_covered[@as(usize, row) * surface.cols + col]) continue; - const destination: usize = if (duplicate_under) 0 else batch_index; + if (previous_covered[@as(usize, row) * surface.cols + col].layer) continue; emitSurfaceCell( g, - core, + chrome, instances, - &cell_next[destination], + &cell_next[if (duplicate_under) 0 else index], col, row, layout, @@ -5350,10 +5483,9 @@ fn renderFrame( win_h, if (duplicate_under) null else track, surface.previous_cells[@as(usize, row) * surface.cols ..][0..surface.cols], + previous_covered[@as(usize, row) * surface.cols ..][0..surface.cols], col, null, - &tagline_base, - paneGripCell(surface.previous_tag_layers, surface.previous_cells, surface.cols, col, row), false, false, page, @@ -5361,57 +5493,56 @@ fn renderFrame( } } } - for (paint_plan.batches[0..paint_plan.len], 0..) |batch, batch_index| - std.debug.assert(cell_next[batch_index] == batch.cell_start + batch.cell_count); + for (groups.items[0..groups.len], 0..) |group, index| + std.debug.assert(cell_next[index] == group.cell_start + group.cell_count); shifted = emitScrollRows(g, instances, cell_total, surface, layout, win_w, win_h, page); + @memcpy(instances[cell_total + shifted ..][0..decor_len], g.decor.items); c.SDL_UnmapGPUTransferBuffer(g.device, g.vxfer.?); if (g.atlas_dirty_top < g.atlas_dirty_bottom) uploadAtlas(g, cmd); const copy = c.SDL_BeginGPUCopyPass(cmd); const src = c.SDL_GPUTransferBufferLocation{ .transfer_buffer = g.vxfer.?, .offset = 0 }; - const dst = c.SDL_GPUBufferRegion{ .buffer = g.vbuf.?, .offset = 0, .size = (cell_total + shifted) * @sizeOf(CellInstance) }; + const dst = c.SDL_GPUBufferRegion{ .buffer = g.vbuf.?, .offset = 0, .size = (cell_total + shifted + decor_len) * @sizeOf(CellInstance) }; c.SDL_UploadToGPUBuffer(copy, &src, &dst, false); c.SDL_EndGPUCopyPass(copy); } + build_zone.end(); + building = false; const rp = c.SDL_BeginGPURenderPass(cmd, &color_target, 1, null); pushLayerOpacity(cmd, rp, background_opacity); const whole = c.SDL_Rect{ .x = 0, .y = 0, .w = @intCast(sw), .h = @intCast(sh) }; - for (paint_plan.batches[0..paint_plan.len], 0..) |batch, batch_index| { - const has_shifted = batch_index == 0 and shifted != 0; - if ((batch.cell_count != 0 or has_shifted) and g.vbuf != null) { + const decor_base = cell_total + shifted; + for (groups.items[0..groups.len], 0..) |group, index| { + const has_shifted = index == 0 and shifted != 0; + if ((group.cell_count != 0 or has_shifted) and g.vbuf != null) { c.SDL_BindGPUGraphicsPipeline(rp, g.pipeline); const samp_binding = c.SDL_GPUTextureSamplerBinding{ .texture = g.atlas_tex, .sampler = g.atlas_sampler }; c.SDL_BindGPUFragmentSamplers(rp, 0, &samp_binding, 1); - if (batch.cell_count != 0) { - const panel_clipped = if (batch.track) |active| active.effect == .vertical else false; - if (panel_clipped) { - const clip = panelBoxScissor(g, batch.track.?.contentBox(), sw, sh); - c.SDL_SetGPUScissor(rp, &clip); - } - const binding = c.SDL_GPUBufferBinding{ - .buffer = g.vbuf.?, - .offset = batch.cell_start * @sizeOf(CellInstance), - }; + if (group.cell_count != 0) { + const binding = c.SDL_GPUBufferBinding{ .buffer = g.vbuf.?, .offset = group.cell_start * @sizeOf(CellInstance) }; c.SDL_BindGPUVertexBuffers(rp, 0, &binding, 1); - c.SDL_DrawGPUPrimitives(rp, 6, batch.cell_count, 0, 0); - if (panel_clipped) c.SDL_SetGPUScissor(rp, &whole); + c.SDL_DrawGPUPrimitives(rp, 6, group.cell_count, 0, 0); } if (has_shifted) { const clip = scrollScissor(g, layout, sw, sh); c.SDL_SetGPUScissor(rp, &clip); - const binding = c.SDL_GPUBufferBinding{ - .buffer = g.vbuf.?, - .offset = cell_total * @sizeOf(CellInstance), - }; + const binding = c.SDL_GPUBufferBinding{ .buffer = g.vbuf.?, .offset = cell_total * @sizeOf(CellInstance) }; c.SDL_BindGPUVertexBuffers(rp, 0, &binding, 1); c.SDL_DrawGPUPrimitives(rp, 6, shifted, 0, 0); c.SDL_SetGPUScissor(rp, &whole); } } - if (batch.image_count != 0) - drawNativeImagesGpu(g, rp, surface, &paint_plan, batch_index); + if (group.image_count != 0) drawNativeImagesGpu(g, rp, surface, group, whole); + if (group.decor_count != 0 and g.vbuf != null) { + c.SDL_BindGPUGraphicsPipeline(rp, g.decor_pipeline); + // Ink keeps its colour at any WindowOpacity. + pushLayerOpacity(cmd, rp, if (index == groups.ink) 1 else background_opacity); + const binding = c.SDL_GPUBufferBinding{ .buffer = g.vbuf.?, .offset = (decor_base + group.decor_start) * @sizeOf(CellInstance) }; + c.SDL_BindGPUVertexBuffers(rp, 0, &binding, 1); + c.SDL_DrawGPUPrimitives(rp, 6, group.decor_count, 0, 0); + } } drawOverlayGpu(g, cmd, rp, overlay_count); c.SDL_EndGPURenderPass(rp); @@ -5455,23 +5586,23 @@ fn renderFrame( } if (g.capture) { command_consumed = true; - try captureFrame(g, gpa, cmd, target, sw, sh); + try captureFrame(g, gpa, cmd, target, sw, sh, if (groups.tracks != 0) groups.items[1].track.?.frame else null); g.presented_scene = rendered_scene; - if (paint_plan.len == 1) rememberPresentedImages(g, gpa, surface); + if (groups.tracks == 0) rememberPresentedImages(g, gpa, surface); return true; } if (g.soft_present) { command_consumed = true; try softPresentFrame(g, cmd, target, sw, sh); g.presented_scene = rendered_scene; - if (paint_plan.len == 1) rememberPresentedImages(g, gpa, surface); + if (groups.tracks == 0) rememberPresentedImages(g, gpa, surface); return true; } command_consumed = true; const submitted = c.SDL_SubmitGPUCommandBuffer(cmd); if (submitted) { g.presented_scene = rendered_scene; - if (paint_plan.len == 1) rememberPresentedImages(g, gpa, surface); + if (groups.tracks == 0) rememberPresentedImages(g, gpa, surface); } return submitted; } @@ -5487,24 +5618,6 @@ const ResolvedCell = struct { const topbarPaneBorderPixels = pardes.topbarPaneBorderPixels; const taglineBandOffset = pardes.taglineBandOffset; -fn topbarPaneBorderHeight(surface: *const pardes.Surface, top: u16, cell_h: u32, tagline_h: u32) ?u32 { - if (top == 0 or surface.rows <= top) return null; - const height = topbarPaneBorderPixels(cell_h, tagline_h); - if (height == 0) return null; - const base = @as(usize, top) * surface.cols; - for (surface.cells[base..][0..surface.cols]) |cell| - if (!cell.default and cell.style.font_role == .tagline) return height; - return null; -} - -fn bottomTaglinePresent(surface: *const pardes.Surface) bool { - if (surface.rows == 0) return false; - const base = @as(usize, surface.rows - 1) * surface.cols; - for (surface.cells[base..][0..surface.cols]) |cell| - if (!cell.default and cell.style.font_role == .tagline) return true; - return false; -} - test "tagline bands center in their cells and Tagbottom faces the window edge" { const cell_h: u32 = 20; const tagline_h: u32 = 16; @@ -5587,40 +5700,6 @@ fn cellInstanceCount(cell: *const pardes.Cell) u32 { return if (cellFontRole(cell) == .tagline) 2 else 1; } -fn taglineBaseRgb(core: *const pardes.Pardes, col: u16, row: u16) [3]u8 { - const chrome = core.chromeTheme(); - if (!core.settings.focus_tint) return chrome.tag_bg; - if (row >= core.topBarHeight() and row < core.topBarHeight() + core.columnBarHeight()) { - for (0..core.ncol) |column| for (core.col_panes[column][0..core.col_n[column]]) |id| { - if (id != core.active) continue; - const x = core.col_x[column]; - if (col >= x and col - x < core.col_w[column]) return chrome.tag_active_bg; - }; - } - const r = core.rects[core.active]; - const pane = core.panes[core.active] orelse return chrome.tag_bg; - const tag_y = core.tagTop(pane, r); - return if (r.h > 0 and row >= tag_y and row < tag_y + pane.tag_rows and col >= r.x and col - r.x < r.w) chrome.tag_active_bg else chrome.tag_bg; -} - -test "compact column and pane underlays share focus tint without tinting the global tag" { - const core = try pardes.Pardes.init(std.testing.allocator, .{ .cols = 120, .rows = 24 }); - defer core.deinit(); - _ = try core.newShell(1, ""); - try std.testing.expect(pardes.layout.splitColumn(core, 0, 1, false)); - pardes.test_api.sync(core); - core.active = 1; - const active = core.rects[1]; - const inactive = core.rects[0]; - const chrome = core.chromeTheme(); - try std.testing.expectEqual(chrome.tag_bg, taglineBaseRgb(core, active.x, 0)); - try std.testing.expectEqual(chrome.tag_active_bg, taglineBaseRgb(core, active.x, pardes.TOPBAR_H)); - try std.testing.expectEqual(chrome.tag_bg, taglineBaseRgb(core, inactive.x, pardes.TOPBAR_H)); - try std.testing.expectEqual(chrome.tag_active_bg, taglineBaseRgb(core, active.x, active.y)); - core.settings.focus_tint = false; - try std.testing.expectEqual(chrome.tag_bg, taglineBaseRgb(core, active.x, pardes.TOPBAR_H)); -} - fn tagLayerIn(layers: []const pardes.Layer, col: u16, row: u16) ?*const pardes.Layer { for (layers) |*layer| { const r = layer.viewport; @@ -5629,34 +5708,10 @@ fn tagLayerIn(layers: []const pardes.Layer, col: u16, row: u16) ?*const pardes.L return null; } -/// Marks the grid cells a body or tag layer covers, which the layers paint -/// themselves: the grid's cell loops skip them. Filling each layer's rectangle -/// once replaces scanning every layer for every cell, which was a third of the -/// gui's CPU on a full screen of text. It marks exactly the cells bodyLayerIn -/// and tagLayerIn find a layer for: a tag layer covers its rows, and a -/// viewport past the grid covers the grid's part of it. -fn coverLayers(cover: []bool, cols: u16, rows: u16, body_layers: []const pardes.Layer, tag_layers: []const pardes.Layer) void { - @memset(cover, false); - for (body_layers) |*layer| { - const r = layer.viewport; - const right = @min(cols, @as(u32, r.x) + r.w); - if (layer.rows == 0 or r.x >= right) continue; - var y: u32 = r.y; - while (y < @min(rows, @as(u32, r.y) + r.h)) : (y += 1) @memset(cover[y * cols ..][r.x..right], true); - } - for (tag_layers) |*layer| { - const r = layer.viewport; - const right = @min(cols, @as(u32, r.x) + r.w); - if (layer.rows == 0 or r.x >= right) continue; - var y: u32 = r.y; - while (y < @min(rows, @as(u32, r.y) + layer.rows)) : (y += 1) @memset(cover[y * cols ..][r.x..right], true); - } -} - -fn expectCoverIsScan(cover: []const bool, cols: u16, rows: u16, body_layers: []const pardes.Layer, tag_layers: []const pardes.Layer) !void { +fn expectCoverIsScan(cover: []const Cover, cols: u16, rows: u16, body_layers: []const pardes.Layer, tag_layers: []const pardes.Layer) !void { for (0..rows) |row| for (0..cols) |col| { const scan = bodyLayerIn(body_layers, @intCast(col), @intCast(row)) != null or tagLayerIn(tag_layers, @intCast(col), @intCast(row)) != null; - try std.testing.expectEqual(scan, cover[row * cols + col]); + try std.testing.expectEqual(scan, cover[row * cols + col].layer); }; } @@ -5670,7 +5725,7 @@ test "the layer cover is the per-cell layer scan, over a core's layouts and rand try std.testing.expect(pardes.layout.splitColumn(core, 0, 1, false)); pardes.layout.insert(core, 1, 1, 2); pardes.layout.insert(core, 0, 1, 3); - var cover: [97 * 31]bool = undefined; + var cover: [97 * 31]Cover = undefined; var notices = false; for (0..32) |step| { core.settings.tag_bottom = step & 1 != 0; @@ -5683,9 +5738,20 @@ test "the layer cover is the per-cell layer scan, over a core's layouts and rand } const s = try core.render(core.scratch.allocator()); try std.testing.expectEqual(@as(usize, cover.len), @as(usize, s.cols) * s.rows); - @memset(&cover, true); // what an earlier frame left - coverLayers(&cover, s.cols, s.rows, s.bodyLayers(), s.tagLayers()); + @memset(&cover, .{ .layer = true, .floating = true, .grip = true, .focus = true }); // what an earlier frame left + coverFrame(&cover, s.cols, s.rows, s.bodyLayers(), s.tagLayers(), s.regionList()); try expectCoverIsScan(&cover, s.cols, s.rows, s.bodyLayers(), s.tagLayers()); + // A grip's cells know their way to its glyph, and the focused + // pane's tag rows are the focused ones. + for (s.regionList()) |region| { + if (region.kind != .grip) continue; + for (0..region.rect.w) |offset| { + const cell = cover[@as(usize, region.rect.y) * s.cols + region.rect.x + offset]; + try std.testing.expect(cell.grip); + try std.testing.expectEqual(offset, cell.grip_offset); + try std.testing.expectEqual(region.owner == core.active, cell.focus); + } + } for (s.tagLayers()) |layer| notices = notices or (layer.rows != 0 and layer.kind == .notice); } try std.testing.expect(notices); @@ -5705,18 +5771,18 @@ test "the layer cover is the per-cell layer scan, over a core's layouts and rand const random = prng.random(); var body: [pardes.MAX_PANES]pardes.Layer = undefined; var tag: [pardes.MAX_TAG_LAYERS]pardes.Layer = undefined; - var grid: [64 * 40]bool = undefined; + var grid: [64 * 40]Cover = undefined; for (0..3000) |_| { const cols = random.intRangeAtMost(u16, 1, 64); const rows = random.intRangeAtMost(u16, 1, 40); const empty = random.intRangeAtMost(u8, 2, 5); // about one layer in `empty` is empty for (&body) |*layer| layer.* = .{ .rows = @intFromBool(random.uintLessThan(u8, empty) != 0), .viewport = gen.rect(random, cols, rows) }; - for (&tag) |*layer| layer.* = .{ .cols = @intFromBool(random.uintLessThan(u8, empty) != 0), .viewport = gen.rect(random, cols, rows) }; + for (&tag) |*layer| layer.* = .{ .rows = @intFromBool(random.uintLessThan(u8, empty) != 0), .viewport = gen.rect(random, cols, rows) }; const bodies = body[0..random.uintAtMost(usize, body.len)]; const tags = tag[0..random.uintAtMost(usize, tag.len)]; const cells = grid[0 .. @as(usize, cols) * rows]; - @memset(cells, random.boolean()); - coverLayers(cells, cols, rows, bodies, tags); + @memset(cells, .{ .layer = random.boolean() }); + coverFrame(cells, cols, rows, bodies, tags, &.{}); try expectCoverIsScan(cells, cols, rows, bodies, tags); } } @@ -5844,42 +5910,23 @@ fn emitBodyLayer(g: *Gui, instances: [*]CellInstance, next: *u32, layer: *const } } -const GripCell = struct { cell: *const pardes.Cell, offset: u16 }; - -fn gripCellChanged(surface: *const pardes.Surface, col: u16, row: u16) bool { +/// A dissolving cell changes with its grip's glyph, which is the cell its +/// grip offset to the left, in this frame's grip or the last one's. +fn gripCellChanged(surface: *const pardes.Surface, covered: []const Cover, previous_covered: []const Cover, col: u16, row: u16) bool { if (surface.panelCellChanged(col, row)) return true; - if (paneGripCell(surface.tagLayers(), surface.cells, surface.cols, col, row)) |grip| { - if (surface.panelCellChanged(col - grip.offset, row)) return true; - } - if (paneGripCell(surface.previous_tag_layers, surface.previous_cells, surface.cols, col, row)) |grip| { - if (surface.panelCellChanged(col - grip.offset, row)) return true; - } + const at = @as(usize, row) * surface.cols + col; + for ([_]Cover{ covered[at], previous_covered[at] }) |cover| + if (cover.grip and surface.panelCellChanged(col -| cover.grip_offset, row)) return true; return false; } -fn paneGripCell(layers: []const pardes.Layer, cells: []const pardes.Cell, cols: u16, col: u16, row: u16) ?GripCell { - const at = @as(usize, row) * cols + col; - if (at >= cells.len or cells[at].default or cells[at].style.font_role != .tagline) return null; - for (layers) |layer| { - if (layer.rows == 0 or layer.kind != .pane or layer.viewport.x < pardes.TAG_TEXT_INSET or row < layer.viewport.y or row - layer.viewport.y >= layer.rows) continue; - const x = layer.viewport.x - pardes.TAG_TEXT_INSET; - if (col < x or col - x >= config.GUTTER) continue; - const index = @as(usize, row) * cols + x; - if (index >= cells.len) return null; - const cell = &cells[index]; - if (cell.default or cell.printableAscii() == ' ' or cell.style.invisible) return null; - return .{ .cell = cell, .offset = col - x }; - } - return null; -} - fn anchorInset(g: *const Gui, row: u16, win_h: f32) u32 { return taglineBandOffset(row, win_h, g.cell_h, g.tagline_height); } fn emitSurfaceCell( g: *Gui, - core: ?*const pardes.Pardes, + chrome: *const pardes.Chrome, instances: [*]CellInstance, next: *u32, col: u16, @@ -5889,18 +5936,20 @@ fn emitSurfaceCell( win_h: f32, track: ?pardes.animation.Track, line: []const pardes.Cell, + line_cover: []const Cover, at: usize, cursor: ?usize, - tagline_base: *const pardes.Cell, - grip: ?GripCell, old_layer: bool, is_cursor: bool, page: Ground, ) void { const role = cellFontRole(&line[at]); if (role == .tagline) { - var band_base = tagline_base.*; - if (core) |p| band_base.style.bg = .{ .rgb = taglineBaseRgb(p, col, row) }; + const here = line_cover[at]; + const band_base: pardes.Cell = .{ + .style = .{ .bg = .{ .rgb = if (here.focus) chrome.tag_focus_bg else chrome.tag_bg }, .font_role = .tagline }, + .default = false, + }; // The smaller font changes the ink, not the chrome's coverage. Painting // this underlay at tagline height leaves page-colored gutters between // adjacent workspace, column and pane tags at TaglineSize < 100. @@ -5908,27 +5957,32 @@ fn emitSurfaceCell( next.* += 1; // Tag glyphs keep their font size inside a full physical-width grip. emitInstance(g, instances, next.*, col, row, body_layout, win_w, win_h, track, .tagline, line, at, cursor, old_layer, is_cursor, page); + // A grip's glyph is the cell at its left edge, and a blank one is + // no glyph: its marks are decor. + const glyph = &line[at - @min(here.grip_offset, at)]; + const grip = here.grip and !glyph.default and glyph.printableAscii() != ' ' and !glyph.style.invisible; + const offset: u16 = if (grip) @min(here.grip_offset, at) else 0; // An anchor starts at its column's rule: its left edge is inset by // its top margin so the band frames it on the left as above and // below, and its mark moves right by half that to stay centered. - const inset: u32 = if (core) |p| if (std.mem.indexOfScalar(u16, p.col_x[0..p.ncol], col -| (if (grip) |indicator| indicator.offset else 0)) != null) anchorInset(g, row, win_h) else 0 else 0; - if (grip) |indicator| { + const inset: u32 = if (line_cover[at - offset].anchor) anchorInset(g, row, win_h) else 0; + if (grip) { // A grip is one glyph centered across the gutter, not text: it is // looked up by its codepoint's glyph, never shaped. - const drawn = glyphForCodepoint(g, cellCodepoint(indicator.cell)); - const cached = cachedGlyph(g, .{ .face = drawn.face, .glyph = drawn.glyph, .role = .tagline, .decoration = GlyphDecoration.fromCell(indicator.cell), .centered = true }); + const drawn = glyphForCodepoint(g, cellCodepoint(glyph)); + const cached = cachedGlyph(g, .{ .face = drawn.face, .glyph = drawn.glyph, .role = .tagline, .decoration = GlyphDecoration.fromCell(glyph), .centered = true }); const slot = cached orelse g.space_slot; - const offset: f32 = if (cached != null) @as(f32, @floatFromInt(@as(u32, indicator.offset) * g.cell_w)) - @as(f32, @floatFromInt(inset / 2)) else 0; - const resolved = resolveCell(g, indicator.cell[0..1], 0, null, .tagline, false, page); + const shift: f32 = if (cached != null) @as(f32, @floatFromInt(@as(u32, offset) * g.cell_w)) - @as(f32, @floatFromInt(inset / 2)) else 0; + const resolved = resolveCell(g, glyph[0..1], 0, null, .tagline, false, page); instances[next.*].fr = @as(f32, @floatFromInt(resolved.fg[0])) / 255; instances[next.*].fg = @as(f32, @floatFromInt(resolved.fg[1])) / 255; instances[next.*].fb = @as(f32, @floatFromInt(resolved.fg[2])) / 255; - instances[next.*].u0 = (@as(f32, @floatFromInt(slot.u)) + offset) / atlas_w; + instances[next.*].u0 = (@as(f32, @floatFromInt(slot.u)) + shift) / atlas_w; instances[next.*].v0 = @as(f32, @floatFromInt(slot.v)) / atlas_h; instances[next.*].v1 = @as(f32, @floatFromInt(slot.v + g.tagline_height)) / atlas_h; } instances[next.*].u1 = instances[next.*].u0 + @as(f32, @floatFromInt(g.cell_w)) / atlas_w; - if (inset > 0 and (grip == null or grip.?.offset == 0)) { + if (inset > 0 and (!grip or offset == 0)) { instances[next.*].x0 += @as(f32, @floatFromInt(inset)) / win_w * 2; instances[next.*].u0 += @as(f32, @floatFromInt(inset)) / atlas_w; } @@ -5940,8 +5994,7 @@ fn emitSurfaceCell( } test "small tagline fonts leave no background gutters between adjacent tags" { - const core = try pardes.Pardes.init(std.testing.allocator, .{ .cols = 80, .rows = 24 }); - defer core.deinit(); + const chrome: pardes.Chrome = .{}; var g: Gui = undefined; g.words = .{}; g.cell_w = 10; @@ -5954,7 +6007,7 @@ test "small tagline fonts leave no background gutters between adjacent tags" { var next: u32 = 0; for (0..3) |row| { // Column 1: past the anchor's inset edge at the column's left. - emitSurfaceCell(&g, core, &instances, &next, 1, @intCast(row), fixedCellLayout(&g), 800, 480, null, (&cell)[0..1], 0, null, &cell, null, false, false, Ground.opaqueRgb(bg_default)); + emitSurfaceCell(&g, &chrome, &instances, &next, 1, @intCast(row), fixedCellLayout(&g), 800, 480, null, (&cell)[0..1], &.{.{}}, 0, null, false, false, Ground.opaqueRgb(bg_default)); const base = instances[row * 2]; const ink = instances[row * 2 + 1]; try std.testing.expectApproxEqAbs(@as(f32, 20.0 / 480.0 * 2), base.y0 - base.y1, 0.0001); @@ -5967,12 +6020,12 @@ test "small tagline fonts leave no background gutters between adjacent tags" { // Column 0 is an anchor's edge: its ink is inset by the band's margin // (2 px here) and its underlay still covers the whole cell. next = 0; - emitSurfaceCell(&g, core, &instances, &next, 0, 1, fixedCellLayout(&g), 800, 480, null, (&cell)[0..1], 0, null, &cell, null, false, false, Ground.opaqueRgb(bg_default)); + emitSurfaceCell(&g, &chrome, &instances, &next, 0, 1, fixedCellLayout(&g), 800, 480, null, (&cell)[0..1], &.{.{ .anchor = true }}, 0, null, false, false, Ground.opaqueRgb(bg_default)); try std.testing.expectApproxEqAbs(@as(f32, 10.0 / 800.0 * 2), instances[0].x1 - instances[0].x0, 0.0001); try std.testing.expectApproxEqAbs(@as(f32, 8.0 / 800.0 * 2), instances[1].x1 - instances[1].x0, 0.0001); try std.testing.expectApproxEqAbs(@as(f32, 8) / atlas_w, instances[1].u1 - instances[1].u0, 0.0001); next = 0; - emitSurfaceCell(&g, null, &instances, &next, 0, 2, fixedCellLayout(&g), 800, 480, null, (&cell)[0..1], 0, null, &cell, null, true, false, Ground.opaqueRgb(bg_default)); + emitSurfaceCell(&g, &chrome, &instances, &next, 0, 2, fixedCellLayout(&g), 800, 480, null, (&cell)[0..1], &.{.{}}, 0, null, true, false, Ground.opaqueRgb(bg_default)); try std.testing.expectEqual(@as(u32, 2), next); try std.testing.expectApproxEqAbs(@as(f32, 16.0 / 480.0 * 2), instances[1].y0 - instances[1].y1, 0.0001); } @@ -6086,24 +6139,25 @@ test "insert cursor overlays without replacing the character beneath it" { }; try std.testing.expectEqual(@as(u32, 'x'), cellCodepoint(&cell)); - var vertices: [6]OverlayVertex = undefined; - var builder: OverlayBuilder = .{ - .vertices = &vertices, - .win_w = 100, - .win_h = 100, - }; - addCursorBar(&builder, 2, 3, true, 8, .{ - .x_off = 0, - .y_off = 0, - .w = 10, - .h = 20, - }, .{ 32, 48, 64 }); - try std.testing.expectEqual(@as(usize, 6), builder.len); - try std.testing.expectApproxEqAbs(@as(f32, -0.32), vertices[0].y, 0.0001); - try std.testing.expectApproxEqAbs(@as(f32, -0.48), vertices[2].y, 0.0001); - try std.testing.expectApproxEqAbs(@as(f32, 32.0 / 255.0), vertices[0].r, 0.0001); - for (vertices) |vertex| try std.testing.expectEqual(@as(u32, 1), vertex.ink); - try std.testing.expect(!builder.ink); + // A bar at a tag cell: tagline-tall, centered in its row, in the + // cell's ink, drawn as decor over it. + var cells: [25]pardes.Cell = @splat(.{}); + cells[3 * 5 + 2] = .{ .default = false, .style = .{ .fg = .{ .rgb = .{ 32, 48, 64 } }, .font_role = .tagline } }; + const surface: pardes.Surface = .{ .cols = 5, .rows = 5, .cells = &cells, .cursor = .{ .x = 2, .y = 3, .bar = true } }; + var g: Gui = undefined; + g.decor = .empty; + defer g.decor.deinit(std.testing.allocator); + g.cell_w = 10; + g.cell_h = 20; + g.tagline_width = 8; + g.tagline_height = 8; + try cursorDecor(&g, std.testing.allocator, &surface, fixedCellLayout(&g), 100, 100); + try std.testing.expectEqual(@as(usize, 1), g.decor.items.len); + const bar = g.decor.items[0]; + try std.testing.expectApproxEqAbs(@as(f32, -0.32), bar.y0, 0.0001); + try std.testing.expectApproxEqAbs(@as(f32, -0.48), bar.y1, 0.0001); + try std.testing.expectApproxEqAbs(@as(f32, 32.0 / 255.0), bar.br, 0.0001); + try std.testing.expectEqual(@as(f32, 1), bar.fr); } fn palColor(idx: u8) [3]u8 { @@ -6613,17 +6667,24 @@ test "pane indicator halves share dissolve changes and safe exhausted atlas" { cells[0].text[0] = '$'; var previous = cells; previous[0].text[0] = '^'; - var layers = [_]pardes.Layer{.{ .kind = .pane, .serial = 1, .viewport = .{ .x = pardes.TAG_TEXT_INSET, .y = 0, .w = 3, .h = 1 }, .cols = 3, .rows = 1 }}; var diffs: [12]pardes.PanelCellDiff = @splat(.unchanged); diffs[0] = pardes.PanelCellDiff.between(&previous[0], &cells[0]); - var surface: pardes.Surface = .{ .cols = 6, .rows = 2, .cells = &cells, .previous_cells = &previous, .previous_tag_layers = &layers, .cell_diffs = &diffs }; - surface.tag_layers[0] = layers[0]; - try std.testing.expect(gripCellChanged(&surface, 0, 0)); - try std.testing.expect(gripCellChanged(&surface, 1, 0)); - try std.testing.expect(!gripCellChanged(&surface, 2, 0)); - try std.testing.expect(paneGripCell(surface.tagLayers(), &cells, 6, 2, 0) == null); - layers[0].kind = .column; - try std.testing.expect(paneGripCell(&layers, &cells, 6, 0, 0) == null); + const surface: pardes.Surface = .{ .cols = 6, .rows = 2, .cells = &cells, .previous_cells = &previous, .cell_diffs = &diffs }; + // A grip two cells wide at the top left, in both frames. + const grip = [_]pardes.Region{.{ .kind = .grip, .serial = 1, .rect = .{ .x = 0, .y = 0, .w = 2, .h = 1 } }}; + var cover: [12]Cover = undefined; + var previous_cover: [12]Cover = undefined; + coverFrame(&cover, 6, 2, &.{}, &.{}, &grip); + coverFrame(&previous_cover, 6, 2, &.{}, &.{}, &grip); + try std.testing.expect(gripCellChanged(&surface, &cover, &previous_cover, 0, 0)); + try std.testing.expect(gripCellChanged(&surface, &cover, &previous_cover, 1, 0)); + try std.testing.expect(!gripCellChanged(&surface, &cover, &previous_cover, 2, 0)); + try std.testing.expect(!cover[2].grip); + // A column's grip has no glyph of a pane's. + coverFrame(&cover, 6, 2, &.{}, &.{}, &.{.{ .kind = .column_grip, .rect = .{ .x = 0, .y = 0, .w = 2, .h = 1 } }}); + try std.testing.expect(!cover[0].grip); + coverFrame(&cover, 6, 2, &.{}, &.{}, &grip); + const chrome: pardes.Chrome = .{}; const font = c.ui_font_new(font_ttf.ptr, @intCast(font_ttf.len)).?; defer c.ui_font_free(font); @@ -6647,7 +6708,7 @@ test "pane indicator halves share dissolve changes and safe exhausted atlas" { var instances: [4]CellInstance = undefined; var next: u32 = 0; for (0..2) |col| { - emitSurfaceCell(&g, null, &instances, &next, @intCast(col), 0, fixedCellLayout(&g), 100, 100, null, cells[0..6], col, null, &cells[2], .{ .cell = &cells[0], .offset = @intCast(col) }, old, false, Ground.opaqueRgb(bg_default)); + emitSurfaceCell(&g, &chrome, &instances, &next, @intCast(col), 0, fixedCellLayout(&g), 100, 100, null, cells[0..6], cover[0..6], col, null, old, false, Ground.opaqueRgb(bg_default)); try std.testing.expectEqual(@as(f32, 0), instances[col * 2 + 1].u0); try std.testing.expectEqual(old, instances[col * 2 + 1].effect & old_layer_bit != 0); } @@ -6802,10 +6863,12 @@ fn ensureVbuf(g: *Gui, cells: u32) !void { g.vbuf_cells = capacity; } -fn makePipeline(device: *c.SDL_GPUDevice, color_format: c.SDL_GPUTextureFormat) !*c.SDL_GPUGraphicsPipeline { +/// A pipeline over cell instances: the cells' own (ui.frag, the atlas, no +/// blending) or the decor's (decor.frag, blended like the overlay). +fn makePipeline(device: *c.SDL_GPUDevice, color_format: c.SDL_GPUTextureFormat, frag: []const u8, samplers: u32, blend: c.SDL_GPUColorTargetBlendState) !*c.SDL_GPUGraphicsPipeline { const vs = try makeShader(device, vert_spv, c.SDL_GPU_SHADERSTAGE_VERTEX, 0, 0); defer c.SDL_ReleaseGPUShader(device, vs); - const fs = try makeShader(device, frag_spv, c.SDL_GPU_SHADERSTAGE_FRAGMENT, 1, 1); + const fs = try makeShader(device, frag, c.SDL_GPU_SHADERSTAGE_FRAGMENT, samplers, 1); defer c.SDL_ReleaseGPUShader(device, fs); var vbuf_desc = c.SDL_GPUVertexBufferDescription{ @@ -6822,8 +6885,9 @@ fn makePipeline(device: *c.SDL_GPUDevice, color_format: c.SDL_GPUTextureFormat) .{ .location = 4, .buffer_slot = 0, .format = c.SDL_GPU_VERTEXELEMENTFORMAT_FLOAT4, .offset = @offsetOf(CellInstance, "panel_x0") }, .{ .location = 5, .buffer_slot = 0, .format = c.SDL_GPU_VERTEXELEMENTFORMAT_FLOAT4, .offset = @offsetOf(CellInstance, "present_x0") }, .{ .location = 6, .buffer_slot = 0, .format = c.SDL_GPU_VERTEXELEMENTFORMAT_UINT4, .offset = @offsetOf(CellInstance, "effect") }, + .{ .location = 7, .buffer_slot = 0, .format = c.SDL_GPU_VERTEXELEMENTFORMAT_FLOAT4, .offset = @offsetOf(CellInstance, "clip_x0") }, }; - var col_desc = c.SDL_GPUColorTargetDescription{ .format = color_format, .blend_state = std.mem.zeroes(c.SDL_GPUColorTargetBlendState) }; + var col_desc = c.SDL_GPUColorTargetDescription{ .format = color_format, .blend_state = blend }; var info = std.mem.zeroes(c.SDL_GPUGraphicsPipelineCreateInfo); info.vertex_shader = vs; @@ -7135,7 +7199,10 @@ fn latencyNote(comptime fmt: []const u8, args: anytype) void { _ = libc.write(latency_fd, line.ptr, line.len); } -fn captureFrame(g: *Gui, gpa: std.mem.Allocator, cmd: *c.SDL_GPUCommandBuffer, target: *c.SDL_GPUTexture, sw: u32, sh: u32) !void { +/// Writes the frame to latest.ppm in the capture directory, and a panel +/// transition's frame `transition` to transition-<frame>.ppm too, so a test +/// can hold one partway (test/gui_golden.py). +fn captureFrame(g: *Gui, gpa: std.mem.Allocator, cmd: *c.SDL_GPUCommandBuffer, target: *c.SDL_GPUTexture, sw: u32, sh: u32, transition: ?u16) !void { const size = c.SDL_CalculateGPUTextureFormatSize(g.swapchain_format, sw, sh, 1); if (size == 0) { _ = c.SDL_SubmitGPUCommandBuffer(cmd); @@ -7168,10 +7235,12 @@ fn captureFrame(g: *Gui, gpa: std.mem.Allocator, cmd: *c.SDL_GPUCommandBuffer, t const mapped = c.SDL_MapGPUTransferBuffer(g.device, xfer, false) orelse return error.GpuMap; defer c.SDL_UnmapGPUTransferBuffer(g.device, xfer); const pixels: [*]const u8 = @ptrCast(mapped); - try writeCapturePpm(g, gpa, pixels[0..size], sw, sh); + try writeCapturePpm(g, gpa, pixels[0..size], sw, sh, "latest"); + var name: [24]u8 = undefined; + if (transition) |frame| try writeCapturePpm(g, gpa, pixels[0..size], sw, sh, std.fmt.bufPrint(&name, "transition-{d}", .{frame}) catch unreachable); } -fn writeCapturePpm(g: *Gui, gpa: std.mem.Allocator, pixels: []const u8, width: u32, height: u32) !void { +fn writeCapturePpm(g: *Gui, gpa: std.mem.Allocator, pixels: []const u8, width: u32, height: u32, name: []const u8) !void { // A latency trace times frames, and an 8 MB file write per frame would // stall the loop it is timing. if (g.capture_dir.len == 0 or latency_fd >= 0) return; @@ -7185,8 +7254,8 @@ fn writeCapturePpm(g: *Gui, gpa: std.mem.Allocator, pixels: []const u8, width: u var tmp_buf: [4096]u8 = undefined; var final_buf: [4096]u8 = undefined; - const tmp_path = std.fmt.bufPrintSentinel(&tmp_buf, "{s}/latest.ppm.tmp", .{g.capture_dir}, 0) catch return error.CapturePathTooLong; - const final_path = std.fmt.bufPrintSentinel(&final_buf, "{s}/latest.ppm", .{g.capture_dir}, 0) catch return error.CapturePathTooLong; + const tmp_path = std.fmt.bufPrintSentinel(&tmp_buf, "{s}/{s}.ppm.tmp", .{ g.capture_dir, name }, 0) catch return error.CapturePathTooLong; + const final_path = std.fmt.bufPrintSentinel(&final_buf, "{s}/{s}.ppm", .{ g.capture_dir, name }, 0) catch return error.CapturePathTooLong; const fd = libc.open(tmp_path, .{ .ACCMODE = .WRONLY, .CREAT = true, .TRUNC = true }, @as(libc.mode_t, 0o644)); if (fd < 0) return error.CaptureWriteFailed; @@ -7212,116 +7281,263 @@ fn writeCapturePpm(g: *Gui, gpa: std.mem.Allocator, pixels: []const u8, width: u if (libc.rename(tmp_path, final_path) != 0) return error.CaptureWriteFailed; } -fn addCursorBar( - builder: *OverlayBuilder, - x: u16, - y: u16, - bar: bool, - visual_height: f32, - layout: CellLayout, - rgb: [3]u8, -) void { - if (!bar) return; - const previous_ink = builder.ink; - builder.ink = true; - defer builder.ink = previous_ink; - const x0 = layout.x_off + @as(f32, @floatFromInt(x)) * layout.w; - const height = std.math.clamp(visual_height, 1.0, layout.h); - const y0 = layout.y_off + @as(f32, @floatFromInt(y)) * layout.h + - @as(f32, @floatFromInt(taglineBandOffset(y, builder.win_h, @intFromFloat(layout.h), @intFromFloat(height)))); - builder.addRect( - x0, - y0, - x0 + @max(1.0, layout.w / 8.0), - y0 + height, - .{ - .r = @as(f32, @floatFromInt(rgb[0])) / 255.0, - .g = @as(f32, @floatFromInt(rgb[1])) / 255.0, - .b = @as(f32, @floatFromInt(rgb[2])) / 255.0, - .a = 1.0, - }, - ); +/// One flat, hard-edged rectangle of decor, in window pixels: clipped to the +/// window and dropped when empty, as the triangle overlay drew it, and moved +/// by `track` as its pane's cells are. +fn addDecor(g: *Gui, gpa: std.mem.Allocator, x0_in: f32, y0_in: f32, x1_in: f32, y1_in: f32, rgb: [3]u8, alpha: f32, track: ?pardes.animation.Track, win_w: f32, win_h: f32) !void { + const x0 = std.math.clamp(@min(x0_in, x1_in), 0.0, win_w); + const x1 = std.math.clamp(@max(x0_in, x1_in), 0.0, win_w); + const y0 = std.math.clamp(@min(y0_in, y1_in), 0.0, win_h); + const y1 = std.math.clamp(@max(y0_in, y1_in), 0.0, win_h); + if (x1 <= x0 or y1 <= y0) return; + // decor.frag.glsl reads the colour from the ground and the coverage + // from the ink's red. + var instance: CellInstance = .{ + .x0 = (x0 / win_w) * 2.0 - 1.0, + .y0 = 1.0 - (y0 / win_h) * 2.0, + .x1 = (x1 / win_w) * 2.0 - 1.0, + .y1 = 1.0 - (y1 / win_h) * 2.0, + .u0 = 0, + .v0 = 0, + .u1 = 0, + .v1 = 0, + .fr = alpha, + .fg = 0, + .fb = 0, + .br = @as(f32, @floatFromInt(rgb[0])) / 255.0, + .bg = @as(f32, @floatFromInt(rgb[1])) / 255.0, + .bb = @as(f32, @floatFromInt(rgb[2])) / 255.0, + }; + setTransitionFields(&instance, track, fixedCellLayout(g), win_w, win_h, 0); + try g.decor.append(gpa, instance); } -fn buildOverlay( - g: *Gui, - core: ?*const pardes.Pardes, - surface: *const pardes.Surface, - layout: CellLayout, - sw: u32, - sh: u32, - topbar_pane_border_rgb: [3]u8, - tagline_rgb: [3]u8, - transient_on: bool, - debug_on: bool, -) u32 { - if (g.overlay_vertices.len == 0 or sw == 0 or sh == 0) return 0; - const win_w: f32 = @floatFromInt(sw); - const win_h: f32 = @floatFromInt(sh); - var builder = OverlayBuilder{ .vertices = g.overlay_vertices, .win_w = win_w, .win_h = win_h }; - appendWorkspacePet(g, core, surface, &builder); - // The workspace tag grows a row per line, so the border follows its foot. - const top_rows: u16 = if (core) |p| p.topBarHeight() else pardes.TOPBAR_H; - if (topbarPaneBorderHeight(surface, top_rows, g.cell_h, g.tagline_height)) |height| { - const y0: f32 = @floatFromInt(top_rows * g.cell_h - height / 2); - const rgb = topbar_pane_border_rgb; - builder.addRect(0, y0, win_w, y0 + @as(f32, @floatFromInt(height)), .{ - .r = @as(f32, @floatFromInt(rgb[0])) / 255.0, - .g = @as(f32, @floatFromInt(rgb[1])) / 255.0, - .b = @as(f32, @floatFromInt(rgb[2])) / 255.0, - .a = 1.0, - }); +/// The frame's decor, group by group (docs/render-pipeline.md §3.4), all of it +/// read from the regions and the palette: the page's rules and the still +/// panes' rails, rules and grip marks in tier 0, a moving or closing pane's +/// in its track's group, notice rules in tier 4, bar cursors in tier 5. +fn buildDecor(g: *Gui, gpa: std.mem.Allocator, surface: *const pardes.Surface, groups: *Groups, layout: CellLayout, win_w: f32, win_h: f32, cursors_shown: bool) !void { + g.decor.clearRetainingCapacity(); + const chrome = &surface.chrome; + const regions = surface.regionList(); + for (groups.items[0..groups.len], 0..) |*group, index| { + group.decor_start = @intCast(g.decor.items.len); + defer group.decor_count = @as(u32, @intCast(g.decor.items.len)) - group.decor_start; + if (index == 0) { + const top = for (regions) |region| { + if (region.kind == .workspace_tag) break region.rect.h; + } else 0; + // The workspace tag is ruled off from the tags right under it. + const tag_under = for (regions) |region| switch (region.kind) { + .grip, .tag, .column_grip, .column_tag => if (region.rect.y == top) break true, + else => {}, + } else false; + const height = topbarPaneBorderPixels(g.cell_h, g.tagline_height); + if (top != 0 and top < surface.rows and tag_under and height != 0) { + const y0: f32 = @floatFromInt(top * g.cell_h - height / 2); + try addDecor(g, gpa, 0, y0, win_w, y0 + @as(f32, @floatFromInt(height)), chrome.topbar_rule, 1, null, win_w, win_h); + } + // The column bar is ruled off from the panes under it. + for (regions) |bar| { + if (bar.kind != .column_grip) continue; + const y = @as(f32, @floatFromInt(bar.rect.y + bar.rect.h)) * layout.h; + try addDecor(g, gpa, 0, y - 1, win_w, y, chrome.border, 1, null, win_w, win_h); + break; + } + // A tag on the last row runs on through the pixels under the grid. + const grid_bottom = @as(f32, @floatFromInt(surface.rows)) * layout.h; + const tag_last = for (regions) |region| switch (region.kind) { + .grip, .tag, .column_grip, .column_tag, .workspace_tag => if (region.rect.h != 0 and region.rect.y + region.rect.h == surface.rows) break true, + else => {}, + } else false; + if (grid_bottom < win_h and tag_last) try addDecor(g, gpa, 0, grid_bottom, win_w, win_h, chrome.tag_bg, 1, null, win_w, win_h); + } + if (index <= groups.tracks) { + const track = group.track; + // A closing pane is gone: its chrome is the last frame's. + const closing = if (track) |active| active.phase == .closing else false; + const placed = if (closing) surface.previous_regions else regions; + const grid = if (closing) surface.previous_cells else surface.cells; + try paneDecor(g, gpa, placed, groups, index, chrome, layout, surface.cols, surface.rows, win_w, win_h, track); + // A single spine runs down each column, through every tag and body. + if (index == 0) for (regions) |column| { + if (column.kind != .column) continue; + const x = @as(f32, @floatFromInt(column.rect.x)) * layout.w; + const y0 = @as(f32, @floatFromInt(column.rect.y)) * layout.h; + const grid_y1 = @as(f32, @floatFromInt(surface.rows)) * layout.h; + const y1 = if (win_h - grid_y1 < layout.h) @max(grid_y1, win_h) else grid_y1; + if (y1 > y0) try addDecor(g, gpa, x, y0, x + 1, y1, chrome.border, 1, null, win_w, win_h); + }; + try gripDecor(g, gpa, placed, grid, groups, index, layout, surface.cols, surface.rows, win_w, win_h, track); + } + // A notice chip is tagline hung over the body's top rows, so it is + // ruled off from the text beneath it the way a tag is: the same + // colour and thickness along its bottom, running to the window's + // edge when it does, fading up and dissolving with its band. + if (index == groups.notices) for (surface.tagLayers()) |*layer| { + if (layer.rows == 0 or layer.kind != .notice) continue; + const x0 = @as(f32, @floatFromInt(layer.viewport.x)) * layout.w; + const x1 = x0 + @as(f32, @floatFromInt(layer.viewport.w)) * layout.w; + const rule_x1 = if (win_w - x1 < layout.w) @max(x1, win_w) else x1; + const top = @as(f32, @floatFromInt(layer.viewport.y)) * layout.h; + // A band still falling into place is cut at its row's top; its + // rule comes with it, and shows only once it is below that cut. + const rule_y = top + (1 + layer.slide) * layout.h; + if (rule_y - 1 < top) continue; + const track = groups.items[groupAt(groups, layer.viewport.x, layer.viewport.y)].track; + try addDecor(g, gpa, x0, rule_y - 1, rule_x1, rule_y, chrome.border, layer.fade, track, win_w, win_h); + }; + if (index == groups.ink and cursors_shown) try cursorDecor(g, gpa, surface, layout, win_w, win_h); + } +} + +/// Each pane's rule between its tag and body, and its scroll rail: a page +/// coloured gutter with a thin track and its thumb, running down through the +/// pixels past the last whole row. Only the panes of group `index`. +fn paneDecor(g: *Gui, gpa: std.mem.Allocator, regions: []const pardes.Region, groups: *const Groups, index: usize, chrome: *const pardes.Chrome, layout: CellLayout, cols: u16, rows: u16, win_w: f32, win_h: f32, track: ?pardes.animation.Track) !void { + const page = chrome.page orelse bg_default; + for (regions) |rail| { + if (rail.kind != .rail or rail.rect.h == 0 or groupOf(groups, rail.serial) != index) continue; + const tag = for (regions) |region| { + if (region.kind == .tag and region.owner == rail.owner) break region; + } else continue; + if (@as(u32, tag.rect.x) + tag.rect.w > cols or @as(u32, tag.rect.y) + tag.rect.h > rows or + @as(u32, rail.rect.y) + rail.rect.h > rows) continue; + const x0 = @as(f32, @floatFromInt(rail.rect.x)) * layout.w; + const x1 = @as(f32, @floatFromInt(tag.rect.x + tag.rect.w)) * layout.w; + // Like the band above it, the rule of a pane at the right edge runs + // on through the pixels past the last whole cell. Under a tag on + // top, over one below its body. + const rule_x1 = if (win_w - x1 < layout.w) @max(x1, win_w) else x1; + const tag_bottom = tag.rect.y > rail.rect.y; + const rule_y = @as(f32, @floatFromInt(if (tag_bottom) tag.rect.y else tag.rect.y + tag.rect.h)) * layout.h; + try addDecor(g, gpa, x0, if (tag_bottom) rule_y else rule_y - 1, rule_x1, if (tag_bottom) rule_y + 1 else rule_y, chrome.border, 1, track, win_w, win_h); + + const y0 = @as(f32, @floatFromInt(rail.rect.y)) * layout.h; + const body_end = rail.rect.y + rail.rect.h; + const body_y1 = @as(f32, @floatFromInt(body_end)) * layout.h; + const y1 = if (body_end == rows and win_h - body_y1 < layout.h) @max(body_y1, win_h) else body_y1; + try addDecor(g, gpa, x0, y0, x0 + layout.w, y1, page, 1, track, win_w, win_h); + try addDecor(g, gpa, x0, y0, x0 + @min(layout.w, 2), y1, chrome.scroll_track, 1, track, win_w, win_h); + if (rail.thumb_h != 0) { + const thumb_y0 = @as(f32, @floatFromInt(rail.rect.y + rail.thumb_y)) * layout.h; + const thumb_y1 = if (rail.thumb_y + rail.thumb_h == rail.rect.h) y1 else @as(f32, @floatFromInt(rail.rect.y + rail.thumb_y + rail.thumb_h)) * layout.h; + try addDecor(g, gpa, x0, thumb_y0, x0 + @min(layout.w, @max(2, @floor(layout.w * 0.5))), thumb_y1, chrome.scroll_thumb, 1, track, win_w, win_h); + } } - if (core) |p| if (p.columnBarHeight() > 0) { - const y = @as(f32, @floatFromInt(top_rows + p.columnBarHeight())) * layout.h; - builder.addRect(0, y - 1, win_w, y, overlayRgb(p.chromeTheme().border)); +} + +/// The two short bars on each row of a grip with no mode glyph there, +/// centered in its anchor. Only the panes of group `index`. +fn gripDecor(g: *Gui, gpa: std.mem.Allocator, regions: []const pardes.Region, cells: []const pardes.Cell, groups: *const Groups, index: usize, layout: CellLayout, cols: u16, rows: u16, win_w: f32, win_h: f32, track: ?pardes.animation.Track) !void { + if (g.tagline_height < 6 or g.tagline_width < 3) return; + for (regions) |grip| { + if (grip.kind != .grip or groupOf(groups, grip.serial) != index) continue; + const x = grip.rect.x; + for (0..grip.rect.h) |line| { + const y = grip.rect.y + @as(u16, @intCast(line)); + if (x >= cols or y >= rows) continue; + const cell = &cells[@as(usize, y) * cols + x]; + if (cell.default or cell.printableAscii() != ' ') continue; + const rgb = switch (cell.style.fg) { + .rgb => |rgb| rgb, + else => continue, + }; + const center_x = (@as(f32, @floatFromInt(x)) + @as(f32, @floatFromInt(config.GUTTER)) / 2) * layout.w + @as(f32, @floatFromInt(anchorInset(g, y, win_h) / 2)); + const center_y = @as(f32, @floatFromInt(y)) * layout.h + @as(f32, @floatFromInt(taglineBandOffset(y, win_h, g.cell_h, g.tagline_height))) + @as(f32, @floatFromInt(g.tagline_height)) / 2; + const half_w = @max(1, @min(3, layout.w - 2)); + try addDecor(g, gpa, @floor(center_x - half_w), @floor(center_y - 2), @floor(center_x + half_w), @floor(center_y - 1), rgb, 1, track, win_w, win_h); + try addDecor(g, gpa, @floor(center_x - half_w), @floor(center_y + 1), @floor(center_x + half_w), @floor(center_y + 2), rgb, 1, track, win_w, win_h); + } + } +} + +test "decor is read from the regions, each pane's in its own group" { + const gpa = std.testing.allocator; + const core = try pardes.Pardes.init(gpa, .{ .cols = 80, .rows = 24 }); + defer core.deinit(); + _ = try core.newShell(1, ""); + try std.testing.expect(pardes.layout.splitColumn(core, 0, 1, false)); + pardes.test_api.sync(core); + const s = try core.render(core.scratch.allocator()); + var g: Gui = undefined; + g.decor = .empty; + defer g.decor.deinit(gpa); + g.cell_w = 10; + g.cell_h = 20; + g.tagline_width = 6; + g.tagline_height = 12; + const layout = fixedCellLayout(&g); + const ndc = struct { + fn x(px: f32) f32 { + return px / 800 * 2 - 1; + } }; - const grid_bottom = @as(f32, @floatFromInt(surface.rows)) * layout.h; - if (grid_bottom < win_h and bottomTaglinePresent(surface)) { - const rgb = tagline_rgb; - builder.addRect(0, grid_bottom, win_w, win_h, .{ - .r = @as(f32, @floatFromInt(rgb[0])) / 255.0, - .g = @as(f32, @floatFromInt(rgb[1])) / 255.0, - .b = @as(f32, @floatFromInt(rgb[2])) / 255.0, - .a = 1.0, - }); + var groups = makeGroups(&.{}, false); + try buildDecor(&g, gpa, s, &groups, layout, 800, 480, true); + // A spine one pixel wide at each column's left edge, down from under the + // workspace tag; a rail two pixels wide at each pane's. + for (core.col_x[0..core.ncol]) |x| { + const left = ndc.x(@as(f32, @floatFromInt(x)) * 10); + const spine = for (g.decor.items) |item| { + if (item.x0 == left and @abs(item.x1 - ndc.x(@as(f32, @floatFromInt(x)) * 10 + 1)) < 0.0001) break item; + } else return error.TestExpectedSpine; + try std.testing.expectApproxEqAbs(@as(f32, 1 - 20.0 / 480.0 * 2), spine.y0, 0.0001); + try std.testing.expectEqual(@as(f32, -1), spine.y1); + const rail = for (g.decor.items) |item| { + if (item.x0 == left and @abs(item.x1 - ndc.x(@as(f32, @floatFromInt(x)) * 10 + 2)) < 0.0001) break item; + } else return error.TestExpectedRail; + try std.testing.expectApproxEqAbs(@as(f32, s.chrome.scroll_track[0]) / 255, rail.br, 0.0001); } - if (transient_on) { - if (core) |p| appendPaneChrome(p, surface, layout, &builder); - appendTagGrips(g, surface, layout, &builder); - if (surface.cursor) |cursor| { - if (cursor.x < surface.cols and cursor.y < surface.rows and bodyLayerAt(surface, cursor.x, cursor.y) == null and tagLayerIn(surface.tagLayers(), cursor.x, cursor.y) == null) { - const cell = surface.cells[@as(usize, cursor.y) * surface.cols + cursor.x]; - const role = cellFontRole(&cell); - const visual_height: f32 = if (role == .tagline) - @floatFromInt(g.tagline_height) - else - layout.h; - const cursor_layout = if (role == .tagline) - taglineLayoutForCell(g, cursor.x) - else - layout; - addCursorBar(&builder, cursor.x, cursor.y, cursor.bar, visual_height, cursor_layout, cursorColor(core, &cell, role)); - } + try std.testing.expectEqual(@as(u32, 0), groups.items[groups.notices].decor_count); + const still = groups.items[0].decor_count; + + // Pane 1 moving: its rule and rail leave tier 0 for its track's group, + // which moves them with it. + const serial = core.panes[1].?.serial; + const moving: pardes.animation.Track = .{ .pane = 1, .serial = serial, .phase = .moving, .effect = .slide, .from = .{ .x = 0, .y = 1, .w = 40, .h = 23 }, .to = .{ .x = 40, .y = 1, .w = 40, .h = 23 } }; + groups = makeGroups(&.{moving}, true); + try buildDecor(&g, gpa, s, &groups, layout, 800, 480, groups.tracks == 0); + const tracked = groups.items[1]; + try std.testing.expect(tracked.decor_count >= 4); + try std.testing.expectEqual(still, groups.items[0].decor_count + tracked.decor_count); + for (g.decor.items[tracked.decor_start..][0..tracked.decor_count]) |item| + try std.testing.expectEqual(@as(u32, @intFromEnum(pardes.animation.Transition.slide)), item.effect); + // Cursors stand still while panes move. + try std.testing.expectEqual(@as(u32, 0), groups.items[groups.ink].decor_count); +} + +/// The bar cursors: the grid's where no layer has the cell, and each layer's +/// at its own pitch. +fn cursorDecor(g: *Gui, gpa: std.mem.Allocator, surface: *const pardes.Surface, layout: CellLayout, win_w: f32, win_h: f32) !void { + const chrome = &surface.chrome; + if (surface.cursor) |cursor| { + if (cursor.bar and cursor.x < surface.cols and cursor.y < surface.rows and bodyLayerAt(surface, cursor.x, cursor.y) == null and tagLayerIn(surface.tagLayers(), cursor.x, cursor.y) == null) { + const cell = &surface.cells[@as(usize, cursor.y) * surface.cols + cursor.x]; + const role = cellFontRole(cell); + const width: f32 = if (role == .tagline) @floatFromInt(g.tagline_width) else layout.w; + const height = std.math.clamp(if (role == .tagline) @as(f32, @floatFromInt(g.tagline_height)) else layout.h, 1.0, layout.h); + const x0 = @as(f32, @floatFromInt(cursor.x)) * layout.w; + const y0 = @as(f32, @floatFromInt(cursor.y)) * layout.h + @as(f32, @floatFromInt(taglineBandOffset(cursor.y, win_h, @intFromFloat(layout.h), @intFromFloat(height)))); + try addDecor(g, gpa, x0, y0, x0 + @max(1.0, width / 8.0), y0 + height, cursorColor(chrome, cell, role), 1, null, win_w, win_h); } } - if (transient_on) for (surface.bodyLayers()) |*layer| { + for (surface.bodyLayers()) |*layer| { if (layer.rows == 0) continue; + const cursor = layer.cursor orelse continue; + if (!cursor.bar or cursor.y >= layer.rows or cursor.x >= layer.cols) continue; const left = @as(f32, @floatFromInt(layer.viewport.x)) * layout.w; const bottom = @as(f32, @floatFromInt(layer.viewport.y + layer.viewport.h)) * layout.h; - if (layer.cursor) |cursor| { - if (!cursor.bar or cursor.y >= layer.rows or cursor.x >= layer.cols) continue; - const top = layer.rowTop(cursor.y, layout.h, @floatFromInt(g.tagline_height)); - if (top >= bottom) continue; - const height = layer.rowHeight(cursor.y, layout.h, @floatFromInt(g.tagline_height)); - const role: pardes.FontRole = if (cursor.y < layer.context_rows) .tagline else .body; - const width: f32 = if (role == .tagline) @floatFromInt(g.tagline_width) else layout.w; - const x = left + @as(f32, @floatFromInt(cursor.x)) * width; - const cell = &layer.cells[@as(usize, cursor.y) * layer.cols + cursor.x]; - builder.addRect(x, top, x + @max(1, width / 8), @min(bottom, top + height), overlayRgb(cursorColor(core, cell, role))); - } - }; - if (transient_on) for (surface.tagLayers()) |*layer| { + const top = layer.rowTop(cursor.y, layout.h, @floatFromInt(g.tagline_height)); + if (top >= bottom) continue; + const height = layer.rowHeight(cursor.y, layout.h, @floatFromInt(g.tagline_height)); + const role: pardes.FontRole = if (cursor.y < layer.context_rows) .tagline else .body; + const width: f32 = if (role == .tagline) @floatFromInt(g.tagline_width) else layout.w; + const x = left + @as(f32, @floatFromInt(cursor.x)) * width; + const cell = &layer.cells[@as(usize, cursor.y) * layer.cols + cursor.x]; + try addDecor(g, gpa, x, top, x + @max(1, width / 8), @min(bottom, top + height), cursorColor(chrome, cell, role), 1, null, win_w, win_h); + } + for (surface.tagLayers()) |*layer| { if (layer.rows == 0) continue; const cursor = layer.cursor orelse continue; if (!cursor.bar or cursor.x >= layer.cols or cursor.y >= layer.rows) continue; @@ -7331,10 +7547,25 @@ fn buildOverlay( const x = left + @as(f32, @floatFromInt(cursor.x)) * width; if (x >= right) continue; const y = layer.viewport.y + cursor.y; - const top = @as(f32, @floatFromInt(y)) * layout.h + @as(f32, @floatFromInt(taglineBandOffset(y, builder.win_h, g.cell_h, g.tagline_height))); - builder.addRect(x, top, @min(right, x + @max(1, width / 8)), top + @as(f32, @floatFromInt(g.tagline_height)), overlayRgb(cursorColor(core, &layer.cells[@as(usize, cursor.y) * layer.cols + cursor.x], .tagline))); - }; - if (transient_on) appendTouchOverlay(g, &builder, debug_on); + const top = @as(f32, @floatFromInt(y)) * layout.h + @as(f32, @floatFromInt(taglineBandOffset(y, win_h, g.cell_h, g.tagline_height))); + try addDecor(g, gpa, x, top, @min(right, x + @max(1, width / 8)), top + @as(f32, @floatFromInt(g.tagline_height)), cursorColor(chrome, &layer.cells[@as(usize, cursor.y) * layer.cols + cursor.x], .tagline), 1, null, win_w, win_h); + } +} + +/// The triangle overlay: the workspace pet and the touch debug view, over +/// everything. +fn buildOverlay( + g: *Gui, + core: ?*const pardes.Pardes, + surface: *const pardes.Surface, + sw: u32, + sh: u32, + debug_on: bool, +) u32 { + if (g.overlay_vertices.len == 0 or sw == 0 or sh == 0) return 0; + var builder = OverlayBuilder{ .vertices = g.overlay_vertices, .win_w = @floatFromInt(sw), .win_h = @floatFromInt(sh) }; + appendWorkspacePet(g, core, surface, &builder); + appendTouchOverlay(g, &builder, debug_on); return @intCast(builder.len); } @@ -7409,33 +7640,11 @@ test "pet overlay stays beyond workspace text and vanishes while its tag is edit try std.testing.expectEqual(@as(usize, 0), builder.len); } -fn cursorColor(core: ?*const pardes.Pardes, cell: *const pardes.Cell, role: pardes.FontRole) [3]u8 { - if (core) |p| return if (role == .tagline) switch (cell.style.fg) { +fn cursorColor(chrome: *const pardes.Chrome, cell: *const pardes.Cell, role: pardes.FontRole) [3]u8 { + return if (role == .tagline) switch (cell.style.fg) { .rgb => |rgb| rgb, - else => p.chromeTheme().tag_fg, - } else p.theme().fg orelse fg_default; - return switch (cell.style.fg) { - .rgb => |rgb| rgb, - .index => |index| palColor(index), - // Detached frames carry explicit page backgrounds but blank cells need - // not carry foreground ink. Keep their insertion caret visible too. - .default => switch (cell.style.bg) { - .rgb => |rgb| if ((@as(u16, rgb[0]) * 3 + @as(u16, rgb[1]) * 6 + rgb[2]) / 10 > 140) - .{ 32, 32, 32 } - else - fg_default, - else => fg_default, - }, - }; -} - -test "detached insertion caret contrasts with blank light and dark pages" { - var cell: pardes.Cell = .{ .default = false, .style = .{ .bg = .{ .rgb = .{ 248, 246, 237 } } } }; - try std.testing.expectEqual([3]u8{ 32, 32, 32 }, cursorColor(null, &cell, .body)); - cell.style.bg = .{ .rgb = .{ 24, 28, 32 } }; - try std.testing.expectEqual(fg_default, cursorColor(null, &cell, .body)); - cell.style.fg = .{ .rgb = .{ 122, 188, 160 } }; - try std.testing.expectEqual([3]u8{ 122, 188, 160 }, cursorColor(null, &cell, .body)); + else => chrome.tag_fg, + } else chrome.fg orelse fg_default; } fn overlayRgb(rgb: [3]u8) OverlayColor { @@ -7447,185 +7656,6 @@ fn overlayRgb(rgb: [3]u8) OverlayColor { }; } -fn cellBackgroundIs(cell: *const pardes.Cell, rgb: [3]u8) bool { - return !cell.default and switch (cell.style.bg) { - .rgb => |bg| std.mem.eql(u8, &bg, &rgb), - else => false, - }; -} - -// The canonical surface still owns scrollbar positions and hit targets. Only -// their pixel ink is inset here; no layout, selection or mouse coordinates move. -fn appendPaneChrome( - core: *const pardes.Pardes, - surface: *const pardes.Surface, - layout: CellLayout, - builder: *OverlayBuilder, -) void { - const chrome = core.chromeTheme(); - const page = overlayRgb(core.theme().bg orelse bg_default); - for (core.panes, core.rects) |slot, r| { - const pane = slot orelse continue; - if (r.w <= config.GUTTER or r.h <= pane.tag_rows) continue; - if (@as(u32, r.x) + r.w > surface.cols or @as(u32, r.y) + r.h > surface.rows) continue; - const tag_y = core.tagTop(pane, r); - const body_y = core.bodyTop(pane, r); - const body_end = body_y + (r.h -| pane.tag_rows); - const x0 = @as(f32, @floatFromInt(r.x)) * layout.w; - const x1 = x0 + @as(f32, @floatFromInt(r.w)) * layout.w; - const tag_cells = surface.cells[@as(usize, tag_y) * surface.cols + r.x + pardes.TAG_TEXT_INSET ..][0 .. r.w - pardes.TAG_TEXT_INSET]; - const tag_visible = for (tag_cells) |*cell| { - if (cellFontRole(cell) != .tagline) break false; - } else true; - if (tag_visible) { - const rule_y = @as(f32, @floatFromInt(tag_y + (if (core.settings.tag_bottom) 0 else pane.tag_rows))) * layout.h; - // Like the band above it, the rule of a pane at the right edge - // runs on through the pixels past the last whole cell. - const rule_x1 = if (builder.win_w - x1 < layout.w) @max(x1, builder.win_w) else x1; - builder.addRect(x0, rule_y - @as(f32, if (core.settings.tag_bottom) 0 else 1), rule_x1, rule_y + @as(f32, if (core.settings.tag_bottom) 1 else 0), overlayRgb(chrome.border)); - } - - // Do not paint over resize previews or debug text occupying the rail. - var thumb_start: ?u16 = null; - var thumb_end: u16 = body_y; - var row = body_y; - while (row < body_end) : (row += 1) { - const cell = &surface.cells[@as(usize, row) * surface.cols + r.x]; - if (cell.printableAscii() != ' ') break; - if (cellBackgroundIs(cell, chrome.scroll_thumb)) { - if (thumb_start == null) thumb_start = row; - thumb_end = row + 1; - } else if (!cellBackgroundIs(cell, chrome.scroll_track)) break; - } - if (row != body_end) continue; - const y0 = @as(f32, @floatFromInt(body_y)) * layout.h; - const body_y1 = @as(f32, @floatFromInt(body_end)) * layout.h; - const y1 = if (body_end == surface.rows and builder.win_h - body_y1 < layout.h) @max(body_y1, builder.win_h) else body_y1; - builder.addRect(x0, y0, x0 + layout.w, y1, page); - appendSquareRail(builder, x0, y0, y1, layout.w, false, overlayRgb(chrome.scroll_track)); - if (thumb_start) |first| { - const thumb_y0 = @as(f32, @floatFromInt(first)) * layout.h; - const thumb_y1 = if (thumb_end == body_end) y1 else @as(f32, @floatFromInt(thumb_end)) * layout.h; - appendSquareRail(builder, x0, thumb_y0, thumb_y1, layout.w, true, overlayRgb(chrome.scroll_thumb)); - } - } - // A notice chip is tagline hung over the body's top rows, so it is ruled - // off from the text beneath it the way a tagline is: the same colour and - // thickness along its bottom, running to the window edge when it does. - for (surface.tagLayers()) |*layer| { - if (layer.rows == 0 or layer.kind != .notice) continue; - const x0 = @as(f32, @floatFromInt(layer.viewport.x)) * layout.w; - const x1 = x0 + @as(f32, @floatFromInt(layer.viewport.w)) * layout.w; - const rule_x1 = if (builder.win_w - x1 < layout.w) @max(x1, builder.win_w) else x1; - const top = @as(f32, @floatFromInt(layer.viewport.y)) * layout.h; - // A band still falling into place is cut at its row's top; its rule - // comes with it, and shows only once it is below that cut. - const rule_y = top + (1 + layer.slide) * layout.h; - if (rule_y - 1 < top) continue; - // ...and fades up and dissolves with it rather than standing alone. - var rule = overlayRgb(chrome.border); - rule.a = layer.fade; - builder.addRect(x0, rule_y - 1, rule_x1, rule_y, rule); - } - appendColumnSpines(core, surface.rows, layout, builder); -} - -// Tag handles use the canonical physical cells, including detached frames. -// Their tag text begins at the layer viewport and may use a narrower font. -fn appendTagGrips(g: *const Gui, surface: *const pardes.Surface, layout: CellLayout, builder: *OverlayBuilder) void { - if (g.tagline_height < 6 or g.tagline_width < 3) return; - for (surface.tagLayers()) |layer| { - if (layer.rows == 0 or layer.kind != .pane or layer.viewport.x < pardes.TAG_TEXT_INSET) continue; - const x = layer.viewport.x - pardes.TAG_TEXT_INSET; - // A mark on each of the tag's rows whose grip cell is blank: every - // row but the one with the mode's glyph. - for (0..layer.rows) |index| { - const y = layer.viewport.y + @as(u16, @intCast(index)); - if (x >= surface.cols or y >= surface.rows) continue; - const cell = &surface.cells[@as(usize, y) * surface.cols + x]; - if (cell.default or cell.printableAscii() != ' ') continue; - const rgb = switch (cell.style.fg) { - .rgb => |rgb| rgb, - else => continue, - }; - const center_x = (@as(f32, @floatFromInt(x)) + @as(f32, @floatFromInt(config.GUTTER)) / 2) * layout.w + @as(f32, @floatFromInt(anchorInset(g, y, builder.win_h) / 2)); - const center_y = @as(f32, @floatFromInt(y)) * layout.h + @as(f32, @floatFromInt(taglineBandOffset(y, builder.win_h, g.cell_h, g.tagline_height))) + @as(f32, @floatFromInt(g.tagline_height)) / 2; - const half_w = @max(1, @min(3, layout.w - 2)); - builder.addRect(@floor(center_x - half_w), @floor(center_y - 2), @floor(center_x + half_w), @floor(center_y - 1), overlayRgb(rgb)); - builder.addRect(@floor(center_x - half_w), @floor(center_y + 1), @floor(center_x + half_w), @floor(center_y + 2), overlayRgb(rgb)); - } - } -} - -test "column grips stay unmarked while pane marks retain physical centering" { - var g: Gui = undefined; - g.tagline_height = 12; - g.tagline_width = 6; - g.cell_h = 20; - var cells: [80]pardes.Cell = @splat(.{ .default = false, .style = .{ .fg = .{ .rgb = .{ 100, 120, 140 } } } }); - var surface: pardes.Surface = .{ .cols = 20, .rows = 4, .cells = &cells }; - surface.tag_layers[0] = .{ .kind = .column, .viewport = .{ .x = 8, .y = 1, .w = 13, .h = 1 }, .cols = 20, .rows = 1 }; - surface.tag_layers[1] = .{ .kind = .pane, .viewport = .{ .x = 8, .y = 3, .w = 13, .h = 1 }, .cols = 20, .rows = 1 }; - var vertices: [24]OverlayVertex = undefined; - var builder: OverlayBuilder = .{ .vertices = &vertices, .win_w = 200, .win_h = 80 }; - appendTagGrips(&g, &surface, .{ .w = 10, .h = 20, .x_off = 0, .y_off = 0 }, &builder); - try std.testing.expectEqual(@as(usize, 12), builder.len); - // Centered in the anchor, whose left edge is inset by the band's offset - // (8 px on this last row): the mark moves right by half of it. - try std.testing.expectApproxEqAbs(@as(f32, 61.0 / 200.0 * 2.0 - 1.0), vertices[0].x, 0.0001); -} - -fn appendSquareRail(builder: *OverlayBuilder, x: f32, y0: f32, y1: f32, cell_w: f32, thumb: bool, color: OverlayColor) void { - const width = @min(cell_w, if (thumb) @max(2, @floor(cell_w * 0.5)) else 2); - builder.addRect(x, y0, x + width, y1, color); -} - -fn appendColumnSpines(core: *const pardes.Pardes, rows: u16, layout: CellLayout, builder: *OverlayBuilder) void { - const y0 = @as(f32, @floatFromInt(core.topBarHeight())) * layout.h; - const grid_y1 = @as(f32, @floatFromInt(rows)) * layout.h; - // Down through the pixels past the last whole row, as tags run right. - const y1 = if (builder.win_h - grid_y1 < layout.h) @max(grid_y1, builder.win_h) else grid_y1; - if (y1 <= y0) return; - // A single boundary spans all panes, including their tags. Its left edge - // agrees with the square scroll markers and existing move-box hit area. - for (core.col_x[0..core.ncol], core.col_w[0..core.ncol]) |col, width| { - if (width == 0) continue; - const x = @as(f32, @floatFromInt(col)) * layout.w; - builder.addRect(x, y0, x + 1, y1, overlayRgb(core.chromeTheme().border)); - } -} - -test "square scroll markers share the column edge and have no rounded end inset" { - var vertices: [12]OverlayVertex = undefined; - var builder: OverlayBuilder = .{ .vertices = &vertices, .win_w = 800, .win_h = 480 }; - appendSquareRail(&builder, 400, 40, 480, 10, false, overlayRgb(.{ 40, 40, 40 })); - appendSquareRail(&builder, 400, 80, 160, 10, true, overlayRgb(.{ 100, 100, 100 })); - try std.testing.expectEqual(@as(usize, 12), builder.len); - try std.testing.expectEqual(vertices[0].x, vertices[6].x); - try std.testing.expectApproxEqAbs(@as(f32, 1 - 80.0 / 480.0 * 2), vertices[6].y, 0.0001); - try std.testing.expectApproxEqAbs(@as(f32, 1 - 160.0 / 480.0 * 2), vertices[8].y, 0.0001); - try std.testing.expectApproxEqAbs(@as(f32, 5.0 / 800.0 * 2), vertices[7].x - vertices[6].x, 0.0001); -} - -test "column spines remain continuous across every pane tag and body" { - const core = try pardes.Pardes.init(std.testing.allocator, .{ .cols = 80, .rows = 24 }); - defer core.deinit(); - _ = try core.newShell(1, ""); - try std.testing.expect(pardes.layout.splitColumn(core, 0, 1, false)); - pardes.test_api.sync(core); - var vertices: [12]OverlayVertex = undefined; - var builder: OverlayBuilder = .{ .vertices = &vertices, .win_w = 800, .win_h = 480 }; - appendColumnSpines(core, 24, .{ .w = 10, .h = 20, .x_off = 0, .y_off = 0 }, &builder); - try std.testing.expectEqual(@as(usize, 12), builder.len); - for (0..2) |col| { - const first = vertices[col * 6]; - const bottom = vertices[col * 6 + 2]; - try std.testing.expectApproxEqAbs(@as(f32, 1 - 20.0 / 480.0 * 2), first.y, 0.0001); - try std.testing.expectEqual(@as(f32, -1), bottom.y); - try std.testing.expectApproxEqAbs(@as(f32, @floatFromInt(core.col_x[col])) * 10.0 / 800.0 * 2 - 1, first.x, 0.0001); - } -} - fn appendTouchOverlay(g: *Gui, builder: *OverlayBuilder, debug_on: bool) void { if (!debug_on) { g.touch.click_flash_frames = 0; |