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ok, papyrus is now drawing something on screen

This commit is contained in:
Peter Li 2025-08-14 23:35:19 -07:00
parent 1f32af8307
commit e1a270bfcb
3 changed files with 36 additions and 5 deletions
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8
engine/rend/src/sgpu/renderer.zig
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@ -100,6 +100,14 @@ pub const Renderer = struct {
return self; return self;
} }
pub fn imageExtents(self: @This()) core.Vectorf {
_ = self;
return .{
.x = @floatFromInt(platform.getInstance().windowExtent.x),
.y = @floatFromInt(platform.getInstance().windowExtent.y),
};
}
pub fn createRenderTargets(self: *@This()) !void { pub fn createRenderTargets(self: *@This()) !void {
var gci = std.mem.zeroes(gpu.GPUTextureCreateInfo); var gci = std.mem.zeroes(gpu.GPUTextureCreateInfo);

24
engine/ui/src/sgpu/papyrusSgpu.zig
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@ -255,9 +255,29 @@ pub fn drawToTarget(self: *@This(), cmd: *gpu.GPUCommandBuffer, ctx: *papyrus.Co
.store_op = .storeopStore, .store_op = .storeopStore,
}); });
{
var data = std.mem.zeroes([@sizeOf(rect_vert.Uniforms) / 8 + 1]usize);
const ptr: *rect_vert.Uniforms = @ptrCast(@alignCast(&data));
ptr.Extents.x = rend.context().imageExtents().x;
ptr.Extents.y = rend.context().imageExtents().y;
cmd.pushGPUVertexUniformData(0, &data, @sizeOf(rect_vert.Uniforms));
}
{
// var data = std.mem.zeroes([@sizeOf(rect_frag.Uniforms) / 8 + 1]usize);
// const ptr: *rect_frag.Uniforms = @ptrCast(@alignCast(&data));
// ptr.Extents.x = rend.context().rendererExtent().x;
// ptr.Extents.y = rend.context().rendererExtent().y;
// cmd.pushGPUFragmentUniformData(0, &data, @sizeOf(rect_frag.Uniforms));
}
const pass = cmd.beginGPURenderPass(&targetInfo, 1, null); const pass = cmd.beginGPURenderPass(&targetInfo, 1, null);
pass.bindGPUVertexBuffers(1, &.{ .buffer = rend.context().meshPool.vertexBuffer, .offset = 0 }, 1); pass.bindGPUVertexBuffers(0, &.{ .buffer = rend.context().meshPool.vertexBuffer, .offset = 0 }, 1);
pass.bindGPUIndexBuffer(&.{ .buffer = rend.context().meshPool.indexBuffer, .offset = 0 }, .indexelementsize32bit); pass.bindGPUIndexBuffer(&.{ .buffer = rend.context().meshPool.indexBuffer, .offset = 0 }, .indexelementsize32bit);
pass.bindGPUFragmentSamplers(0, &.{ .sampler = rend.context().blockySampler, .texture = rend.context().defaultTexture.texture }, 1);
if (self.quadMesh) |quadMesh| { if (self.quadMesh) |quadMesh| {
for (self.tempDrawCommand.items) |item| { for (self.tempDrawCommand.items) |item| {
@ -278,6 +298,8 @@ pub fn drawToTarget(self: *@This(), cmd: *gpu.GPUCommandBuffer, ctx: *papyrus.Co
} }
pass.endGPURenderPass(); pass.endGPURenderPass();
self.tempDrawCommand.clearRetainingCapacity();
} }
pub const rect_frag = @import("rect.frag"); pub const rect_frag = @import("rect.frag");

9
projects/sampleGame/externGame/externGame.zig
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@ -96,11 +96,12 @@ pub const ExternGameObject = struct {
const ctx = ui.getScreen(); const ctx = ui.getScreen();
const panel2 = try ctx.addPanel(.{}); const panel2 = try ctx.addPanel(.{});
{ {
ctx.getPanel(panel2).hasTitle = false; ctx.getPanel(panel2).hasTitle = true;
ctx.get(panel2).anchor = .TopRight; //ctx.get(panel2).anchor = .TopRight;
// ctx.get(panel2).fill = .FillY; todo, this is a bug. why. // ctx.get(panel2).fill = .FillY; todo, this is a bug. why.
ctx.get(panel2).pos = .{ .x = -105, .y = 1 }; ctx.get(panel2).pos = .{ .x = 200, .y = 200 };
ctx.get(panel2).size = .{ .x = 100, .y = 1 }; ctx.get(panel2).size = .{ .x = 100, .y = 100 };
ctx.get(panel2).style.backgroundColor = ui.ModernStyle.GreyDark;
ctx.getPanel(panel2).titleColor = ui.ModernStyle.GreyDark; ctx.getPanel(panel2).titleColor = ui.ModernStyle.GreyDark;
// add some text to this panel // add some text to this panel