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Add proper layering support and support for non-clay layouts

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This commit is contained in:
shan
2025-07-22 20:59:52 -07:00
parent f11f688ea0
commit b0fe8f0d29
4 changed files with 268 additions and 153 deletions
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59
renderer/quad.odin
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@@ -5,8 +5,6 @@ import "core:mem"
import "core:os"
import sdl "vendor:sdl3"
tmp_quads: [dynamic]Quad
QuadPipeline :: struct {
instance_buffer: Buffer,
num_instances: u32,
@@ -14,12 +12,30 @@ QuadPipeline :: struct {
}
Quad :: struct {
position_scale: [4]f32,
corner_radii: [4]f32,
color: [4]f32,
border_color: [4]f32,
border_width: f32,
_: [3]f32,
position_scale: [4]f32,
corner_radii: [4]f32,
color: [4]f32,
border_color: [4]f32,
border_width: f32,
_: [3]f32,
}
quad :: proc(
pos: [2]f32,
size: [2]f32,
color: [4]f32,
corner_radii := [4]f32{0, 0, 0, 0},
border_color := [4]f32{0, 0, 0, 0},
border_width: f32 = 0,
) -> Quad {
return Quad {
{pos.x, pos.y, size.x, size.y},
corner_radii,
color,
border_color,
border_width,
{0, 0, 0},
}
}
@(private)
@@ -47,11 +63,11 @@ create_quad_pipeline :: proc(device: ^sdl.GPUDevice, window: ^sdl.Window) -> Qua
}
frag_info := sdl.GPUShaderCreateInfo {
code_size = len(frag_raw),
code = raw_data(frag_raw),
entrypoint = ENTRY_POINT,
format = SHADER_TYPE,
stage = sdl.GPUShaderStage.FRAGMENT,
code_size = len(frag_raw),
code = raw_data(frag_raw),
entrypoint = ENTRY_POINT,
format = SHADER_TYPE,
stage = sdl.GPUShaderStage.FRAGMENT,
}
vert_shader := sdl.CreateGPUShader(device, vert_info)
@@ -151,7 +167,7 @@ create_quad_pipeline :: proc(device: ^sdl.GPUDevice, window: ^sdl.Window) -> Qua
instance_buffer := create_buffer(
device,
size_of(Quad) * BUFFER_INIT_SIZE,
sdl.GPUBufferUsageFlags { .VERTEX },
sdl.GPUBufferUsageFlags{.VERTEX},
)
pipeline := QuadPipeline{instance_buffer, BUFFER_INIT_SIZE, sdl_pipeline}
@@ -162,10 +178,11 @@ create_quad_pipeline :: proc(device: ^sdl.GPUDevice, window: ^sdl.Window) -> Qua
@(private)
upload_quads :: proc(device: ^sdl.GPUDevice, pass: ^sdl.GPUCopyPass) {
using global
num_quads := u32(len(tmp_quads))
size := num_quads * size_of(Quad)
resize_buffer(device, &quad_pipeline.instance_buffer, size, sdl.GPUBufferUsageFlags { .VERTEX })
resize_buffer(device, &quad_pipeline.instance_buffer, size, sdl.GPUBufferUsageFlags{.VERTEX})
// Write data
i_array := sdl.MapGPUTransferBuffer(device, quad_pipeline.instance_buffer.transfer, false)
@@ -192,6 +209,8 @@ draw_quads :: proc(
layer: ^Layer,
load_op: sdl.GPULoadOp,
) {
using global
if layer.quad_len == 0 {
return
}
@@ -219,17 +238,12 @@ draw_quads :: proc(
quad_offset := layer.quad_instance_start
for &scissor, index in layer.scissors {
for &scissor, index in scissors[layer.scissor_start:][:layer.scissor_len] {
if scissor.quad_len == 0 {
continue
}
if scissor.bounds.w == 0 || scissor.bounds.h == 0 {
sdl.SetGPUScissor(render_pass, sdl.Rect{0, 0, i32(swapchain_w), i32(swapchain_h)})
} else {
sdl.SetGPUScissor(render_pass, scissor.bounds)
}
sdl.SetGPUScissor(render_pass, scissor.bounds)
sdl.DrawGPUPrimitives(render_pass, 6, scissor.quad_len, 0, quad_offset)
quad_offset += scissor.quad_len
}
@@ -237,6 +251,7 @@ draw_quads :: proc(
}
destroy_quad_pipeline :: proc(device: ^sdl.GPUDevice) {
using global
destroy_buffer(device, &quad_pipeline.instance_buffer)
sdl.ReleaseGPUGraphicsPipeline(device, quad_pipeline.sdl_pipeline)
}