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Backends: WebGPU: fixed rendering when a depth buffer is enabled. (#5869)

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This commit is contained in:
Peter Nimmervoll
2022-11-07 21:35:05 +01:00
committed by ocornut
parent 7380b9816e
commit 00b6370848
4 changed files with 15 additions and 12 deletions
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14
backends/imgui_impl_wgpu.cpp
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@ -13,9 +13,10 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2022-11-10: Fixed rendering when a depth buffer is enabled. Added 'WGPUTextureFormat depth_format' parameter to ImGui_ImplWGPU_Init().
// 2022-10-11: Using 'nullptr' instead of 'NULL' as per our switch to C++11.
// 2021-11-29: Passing explicit buffer sizes to wgpuRenderPassEncoderSetVertexBuffer()/wgpuRenderPassEncoderSetIndexBuffer().
// 2021-08-24: Fix for latest specs.
// 2021-08-24: Fixed for latest specs.
// 2021-05-24: Add support for draw_data->FramebufferScale.
// 2021-05-19: Replaced direct access to ImDrawCmd::TextureId with a call to ImDrawCmd::GetTexID(). (will become a requirement)
// 2021-05-16: Update to latest WebGPU specs (compatible with Emscripten 2.0.20 and Chrome Canary 92).
@ -34,6 +35,7 @@ extern ImGuiID ImHashData(const void* data_p, size_t data_size, ImU32 seed = 0);
static WGPUDevice g_wgpuDevice = nullptr;
static WGPUQueue g_defaultQueue = nullptr;
static WGPUTextureFormat g_renderTargetFormat = WGPUTextureFormat_Undefined;
static WGPUTextureFormat g_depthStencilFormat = WGPUTextureFormat_Undefined;
static WGPURenderPipeline g_pipelineState = nullptr;
struct RenderResources
@ -602,12 +604,11 @@ bool ImGui_ImplWGPU_CreateDeviceObjects()
// Create depth-stencil State
WGPUDepthStencilState depth_stencil_state = {};
depth_stencil_state.depthBias = 0;
depth_stencil_state.depthBiasClamp = 0;
depth_stencil_state.depthBiasSlopeScale = 0;
depth_stencil_state.format = g_depthStencilFormat;
depth_stencil_state.depthWriteEnabled = false;
// Configure disabled depth-stencil state
graphics_pipeline_desc.depthStencil = nullptr;
graphics_pipeline_desc.depthStencil = g_depthStencilFormat == WGPUTextureFormat_Undefined ? nullptr : &depth_stencil_state;
g_pipelineState = wgpuDeviceCreateRenderPipeline(g_wgpuDevice, &graphics_pipeline_desc);
@ -658,7 +659,7 @@ void ImGui_ImplWGPU_InvalidateDeviceObjects()
SafeRelease(g_pFrameResources[i]);
}
bool ImGui_ImplWGPU_Init(WGPUDevice device, int num_frames_in_flight, WGPUTextureFormat rt_format)
bool ImGui_ImplWGPU_Init(WGPUDevice device, int num_frames_in_flight, WGPUTextureFormat rt_format, WGPUTextureFormat depth_format)
{
// Setup backend capabilities flags
ImGuiIO& io = ImGui::GetIO();
@ -668,6 +669,7 @@ bool ImGui_ImplWGPU_Init(WGPUDevice device, int num_frames_in_flight, WGPUTextur
g_wgpuDevice = device;
g_defaultQueue = wgpuDeviceGetQueue(g_wgpuDevice);
g_renderTargetFormat = rt_format;
g_depthStencilFormat = depth_format;
g_pFrameResources = new FrameResources[num_frames_in_flight];
g_numFramesInFlight = num_frames_in_flight;
g_frameIndex = UINT_MAX;