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gpu-dawn: cleanup hello_triangle example

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2022-02-22 12:05:10 -07:00 • committed by Stephen Gutekanst
parent ef2288309e
commit 412023ef1e
2 changed files with 7 additions and 146 deletions
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22
gpu-dawn/src/dawn/hello_triangle.zig
View file

@ -3,14 +3,6 @@ const sample_utils = @import("sample_utils.zig");
const c = @import("c.zig").c;
const glfw = @import("glfw");
// #include "utils/SystemUtils.h"
// #include "utils/WGPUHelpers.h"
// WGPUSwapChain swapchain;
// WGPURenderPipeline pipeline;
// WGPUTextureFormat swapChainFormat;
pub fn main() !void {
var gpa = std.heap.GeneralPurposeAllocator(.{}){};
var allocator = gpa.allocator();
@ -26,9 +18,9 @@ pub fn main() !void {
c.wgpuSwapChainConfigure(swap_chain, swap_chain_format, c.WGPUTextureUsage_RenderAttachment, 640, 480);
const vs =
\\ [[stage(vertex)]] fn main(
\\ [[builtin(vertex_index)]] VertexIndex : u32
\\ ) -> [[builtin(position)]] vec4<f32> {
\\ @stage(vertex) fn main(
\\ @builtin(vertex_index) VertexIndex : u32
\\ ) -> @builtin(position) vec4<f32> {
\\ var pos = array<vec2<f32>, 3>(
\\ vec2<f32>( 0.0, 0.5),
\\ vec2<f32>(-0.5, -0.5),
@ -48,7 +40,7 @@ pub fn main() !void {
const vs_module = c.wgpuDeviceCreateShaderModule(setup.device, &vs_shader_descriptor);
const fs =
\\ [[stage(fragment)]] fn main() -> [[location(0)]] vec4<f32> {
\\ @stage(fragment) fn main() -> @location(0) vec4<f32> {
\\ return vec4<f32>(1.0, 0.0, 0.0, 1.0);
\\ }
;
@ -168,11 +160,5 @@ fn frame(params: FrameParams) !void {
c.wgpuSwapChainPresent(params.swap_chain);
c.wgpuTextureViewRelease(back_buffer_view);
// if (cmdBufType == CmdBufType::Terrible) {
// bool c2sSuccess = c2sBuf->Flush();
// bool s2cSuccess = s2cBuf->Flush();
// ASSERT(c2sSuccess && s2cSuccess);
// }
try glfw.pollEvents();
}

131
gpu-dawn/src/dawn/sample_utils.zig
View file

@ -3,26 +3,6 @@ const assert = std.debug.assert;
const glfw = @import("glfw");
const c = @import("c.zig").c;
// #include "SampleUtils.h"
// #include "common/Assert.h"
// #include "common/Log.h"
// #include "common/Platform.h"
// #include "common/SystemUtils.h"
// #include "utils/BackendBinding.h"
// #include "utils/GLFWUtils.h"
// #include "utils/TerribleCommandBuffer.h"
// #include <dawn/dawn_proc.h>
// #include <dawn/dawn_wsi.h>
// #include <dawn_native/DawnNative.h>
// #include <dawn_wire/WireClient.h>
// #include <dawn_wire/WireServer.h>
// #include "GLFW/glfw3.h"
// #include <algorithm>
// #include <cstring>
fn printDeviceError(error_type: c.WGPUErrorType, message: [*c]const u8, _: ?*anyopaque) callconv(.C) void {
switch (error_type) {
c.WGPUErrorType_Validation => std.debug.print("dawn: validation error: {s}\n", .{message}),
@ -33,18 +13,6 @@ fn printDeviceError(error_type: c.WGPUErrorType, message: [*c]const u8, _: ?*any
}
}
const CmdBufType = enum { none, terrible };
// static std::unique_ptr<dawn_native::Instance> instance;
// static utils::BackendBinding* binding = nullptr;
// static GLFWwindow* window = nullptr;
// static dawn_wire::WireServer* wireServer = nullptr;
// static dawn_wire::WireClient* wireClient = nullptr;
// static utils::TerribleCommandBuffer* c2sBuf = nullptr;
// static utils::TerribleCommandBuffer* s2cBuf = nullptr;
const Setup = struct {
device: c.WGPUDevice,
binding: c.MachUtilsBackendBinding,
@ -93,7 +61,6 @@ fn backendTypeString(t: c.WGPUBackendType) []const u8 {
pub fn setup(allocator: std.mem.Allocator) !Setup {
const backend_type = try detectBackendType(allocator);
const cmd_buf_type = CmdBufType.none;
try glfw.init(.{});
@ -128,46 +95,10 @@ pub fn setup(allocator: std.mem.Allocator) !Setup {
@panic("failed to create binding");
}
// Choose whether to use the backend procs and devices directly, or set up the wire.
var procs: ?*const c.DawnProcTable = null;
var c_device: ?c.WGPUDevice = null;
switch (cmd_buf_type) {
CmdBufType.none => {
procs = backend_procs;
c_device = backend_device;
},
CmdBufType.terrible => {
// TODO(slimsag):
@panic("not implemented");
// c2sBuf = new utils::TerribleCommandBuffer();
// s2cBuf = new utils::TerribleCommandBuffer();
// dawn_wire::WireServerDescriptor serverDesc = {};
// serverDesc.procs = &backendProcs;
// serverDesc.serializer = s2cBuf;
// wireServer = new dawn_wire::WireServer(serverDesc);
// c2sBuf->SetHandler(wireServer);
// dawn_wire::WireClientDescriptor clientDesc = {};
// clientDesc.serializer = c2sBuf;
// wireClient = new dawn_wire::WireClient(clientDesc);
// procs = dawn_wire::client::GetProcs();
// s2cBuf->SetHandler(wireClient);
// auto deviceReservation = wireClient->ReserveDevice();
// wireServer->InjectDevice(backendDevice, deviceReservation.id,
// deviceReservation.generation);
// cDevice = deviceReservation.device;
},
}
c.dawnProcSetProcs(procs.?);
procs.?.deviceSetUncapturedErrorCallback.?(c_device.?, printDeviceError, null);
c.dawnProcSetProcs(backend_procs);
backend_procs.*.deviceSetUncapturedErrorCallback.?(backend_device, printDeviceError, null);
return Setup{
.device = c_device.?,
.device = backend_device,
.binding = binding,
.window = window,
};
@ -233,59 +164,3 @@ fn discoverAdapter(instance: c.MachDawnNativeInstance, window: glfw.Window, typ:
// auto depthStencilTexture = device.CreateTexture(&descriptor);
// return depthStencilTexture.CreateView();
// }
// bool InitSample(int argc, const char** argv) {
// for (int i = 1; i < argc; i++) {
// if (std::string("-b") == argv[i] || std::string("--backend") == argv[i]) {
// i++;
// if (i < argc && std::string("d3d12") == argv[i]) {
// backendType = wgpu::BackendType::D3D12;
// continue;
// }
// if (i < argc && std::string("metal") == argv[i]) {
// backendType = wgpu::BackendType::Metal;
// continue;
// }
// if (i < argc && std::string("null") == argv[i]) {
// backendType = wgpu::BackendType::Null;
// continue;
// }
// if (i < argc && std::string("opengl") == argv[i]) {
// backendType = wgpu::BackendType::OpenGL;
// continue;
// }
// if (i < argc && std::string("opengles") == argv[i]) {
// backendType = wgpu::BackendType::OpenGLES;
// continue;
// }
// if (i < argc && std::string("vulkan") == argv[i]) {
// backendType = wgpu::BackendType::Vulkan;
// continue;
// }
// fprintf(stderr,
// "--backend expects a backend name (opengl, opengles, metal, d3d12, null, "
// "vulkan)\n");
// return false;
// }
// if (std::string("-c") == argv[i] || std::string("--command-buffer") == argv[i]) {
// i++;
// if (i < argc && std::string("none") == argv[i]) {
// cmdBufType = CmdBufType::None;
// continue;
// }
// if (i < argc && std::string("terrible") == argv[i]) {
// cmdBufType = CmdBufType::Terrible;
// continue;
// }
// fprintf(stderr, "--command-buffer expects a command buffer name (none, terrible)\n");
// return false;
// }
// if (std::string("-h") == argv[i] || std::string("--help") == argv[i]) {
// printf("Usage: %s [-b BACKEND] [-c COMMAND_BUFFER]\n", argv[0]);
// printf(" BACKEND is one of: d3d12, metal, null, opengl, opengles, vulkan\n");
// printf(" COMMAND_BUFFER is one of: none, terrible\n");
// return false;
// }
// }
// return true;
// }