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Update clay rendering to be able to be rendered to a different layer, and at its own position

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This commit is contained in:
shan
2025-07-07 15:18:29 -07:00
parent 51c46ea279
commit f11f688ea0
10 changed files with 160 additions and 48 deletions
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46
examples/main.odin
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@@ -1,12 +1,12 @@
package main
import clay "../clay"
import "../renderer"
import "core:c"
import "core:fmt"
import "core:log"
import "core:mem"
import "core:os"
import clay "library:clay"
import sdl "vendor:sdl3"
WINDOW_WIDTH :: 1024
@@ -165,8 +165,43 @@ destroy :: proc() {
update :: proc(cmd_buffer: ^sdl.GPUCommandBuffer, delta_time: u64) -> bool {
frame_time := f32(delta_time) / 1000.0
input := input()
render_cmds := layout()
renderer.prepare(device, window, cmd_buffer, &render_cmds, input.mouse_delta, frame_time)
mouse_x, mouse_y: f32
mouse_flags := sdl.GetMouseState(&mouse_x, &mouse_y)
width, height: c.int
sdl.GetWindowSize(window, &width, &height)
layer := renderer.begin_prepare()
// ===== Begin processing primitives for GPU upload =====
// Everything after begin_prepare() is uploaded in-order. We pass the layer down
// until we need a new one, after which we call new_layer()
// Render raw primitive setup
//renderer.prepare_batch(device, window, cmd_buffer, &layer, &primitives) //TODO
clay_layer_bounds := renderer.Rectangle {
x = f32(width) / 2.0,
y = 0.0,
w = f32(width) / 2.0,
h = f32(height),
}
// Create a new layer, because these two scenes cannot be renderer in the same batch due to overlap
layer = renderer.new_layer(&layer, clay_layer_bounds)
clay_batch := clay_layout(clay_layer_bounds)
renderer.prepare_clay_batch(
device,
window,
cmd_buffer,
&layer,
{mouse_x, mouse_y},
mouse_flags,
input.mouse_delta,
frame_time,
&clay_batch,
)
// This uploads the primitive data to the GPU
renderer.end_prepare(device, cmd_buffer, &layer)
return input.should_quit
}
@@ -210,7 +245,8 @@ draw :: proc(cmd_buffer: ^sdl.GPUCommandBuffer) {
}
}
layout :: proc() -> clay.ClayArray(clay.RenderCommand) {
clay_layout :: proc(bounds: renderer.Rectangle) -> renderer.ClayBatch {
clay.SetLayoutDimensions(clay.Dimensions{bounds.w, bounds.h})
clay.BeginLayout()
if clay.UI()(
@@ -247,5 +283,5 @@ layout :: proc() -> clay.ClayArray(clay.RenderCommand) {
clay.Text("Test Text", &body_text)
}
return clay.EndLayout()
return renderer.ClayBatch{bounds, clay.EndLayout()}
}