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added chek_surface_texture_status function to check the WGPUSurfaceTexture .status and recreate the Surface in case of "not optimal" (bad) status.

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BrutPitt 2025-03-25 06:41:53 +01:00
parent a203864a4a
commit d60af09d1e
2 changed files with 110 additions and 44 deletions
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66
examples/example_glfw_wgpu/main.cpp
View file

@ -79,7 +79,48 @@ static void glfw_error_callback(int error, const char* description)
printf("GLFW Error %d: %s\n", error, description);
}
static WGPUTexture check_surface_texture_status(GLFWwindow * window)
{
WGPUSurfaceTexture surfaceTexture;
wgpuSurfaceGetCurrentTexture(wgpu_surface, &surfaceTexture);
switch ( surfaceTexture.status )
{
#if !defined(IMGUI_IMPL_WEBGPU_BACKEND_DAWN)
case WGPUSurfaceGetCurrentTextureStatus_Success:
break;
#else
case WGPUSurfaceGetCurrentTextureStatus_SuccessOptimal:
break;
case WGPUSurfaceGetCurrentTextureStatus_SuccessSuboptimal:
#endif
case WGPUSurfaceGetCurrentTextureStatus_Timeout:
case WGPUSurfaceGetCurrentTextureStatus_Outdated:
case WGPUSurfaceGetCurrentTextureStatus_Lost:
// if the status is NOT Optimal let's try to reconfigure the surface
{
#ifndef NDEBUG
printf("Bad surface texture status: %d\n", surfaceTexture.status);
#endif
if (surfaceTexture.texture)
wgpuTextureRelease(surfaceTexture.texture);
int width, height;
glfwGetFramebufferSize(window, &width, &height);
if ( width > 0 && height > 0 )
{
wgpu_surface_configuration.width = width;
wgpu_surface_configuration.height = height;
wgpuSurfaceConfigure(wgpu_surface, &wgpu_surface_configuration);
}
return nullptr;
}
default: // should never be reached
assert(!"Unexpected Surface Texture status error\n");
return nullptr;
}
return surfaceTexture.texture;
}
// Main code
int main(int, char**)
@ -185,6 +226,10 @@ int main(int, char**)
ImGui_ImplWGPU_CreateDeviceObjects();
}
// Check surface texture status
WGPUTexture texture = check_surface_texture_status(window);
if(!texture) continue;
// Start the Dear ImGui frame
ImGui_ImplWGPU_NewFrame();
ImGui_ImplGlfw_NewFrame();
@ -230,13 +275,6 @@ int main(int, char**)
// Rendering
ImGui::Render();
#ifndef __EMSCRIPTEN__
// Tick needs to be called in Dawn to display validation errors
wgpuDeviceTick(wgpu_device);
#endif
WGPUSurfaceTexture surfaceTexture = {};
wgpuSurfaceGetCurrentTexture(wgpu_surface, &surfaceTexture);
WGPUTextureViewDescriptor viewDescriptor {};
viewDescriptor.format = wgpu_preferred_fmt;
viewDescriptor.dimension = WGPUTextureViewDimension_2D ;
@ -244,7 +282,7 @@ int main(int, char**)
viewDescriptor.arrayLayerCount = WGPU_ARRAY_LAYER_COUNT_UNDEFINED;
viewDescriptor.aspect = WGPUTextureAspect_All;
WGPUTextureView textureView = wgpuTextureCreateView(surfaceTexture.texture, &viewDescriptor);
WGPUTextureView textureView = wgpuTextureCreateView(texture, &viewDescriptor);
WGPURenderPassColorAttachment color_attachments {};
color_attachments.depthSlice = WGPU_DEPTH_SLICE_UNDEFINED;
@ -264,7 +302,6 @@ int main(int, char**)
WGPURenderPassEncoder pass = wgpuCommandEncoderBeginRenderPass(encoder, &render_pass_desc);
ImGui_ImplWGPU_RenderDrawData(ImGui::GetDrawData(), pass);
wgpuRenderPassEncoderEnd(pass);
wgpuRenderPassEncoderRelease(pass);
WGPUCommandBufferDescriptor cmd_buffer_desc {};
WGPUCommandBuffer cmd_buffer = wgpuCommandEncoderFinish(encoder, &cmd_buffer_desc);
@ -272,9 +309,11 @@ int main(int, char**)
#ifndef __EMSCRIPTEN__
wgpuSurfacePresent(wgpu_surface);
//wgpuInstanceProcessEvents(wgpu_instance);
// Tick needs to be called in Dawn to display validation errors
wgpuDeviceTick(wgpu_device);
#endif
wgpuTextureViewRelease(textureView);
wgpuRenderPassEncoderRelease(pass);
wgpuCommandEncoderRelease(encoder);
wgpuCommandBufferRelease(cmd_buffer);
}
@ -333,12 +372,6 @@ static bool InitWGPU(GLFWwindow* window)
static wgpu::Adapter localAdapter;
wgpu::RequestAdapterOptions adapterOptions {};
#if defined(_WIN32) || defined(WIN32)
// Windows users: uncomment to force DirectX backend instead of Vulkan
// adapterOptions.backendType = wgpu::BackendType::D3D12; // to use D3D12 backend in W10/W11
// adapterOptions.backendType = wgpu::BackendType::D3D11; // to use D3D11 backend in W10/W11
#endif
auto onRequestAdapter = [](wgpu::RequestAdapterStatus status, wgpu::Adapter adapter, wgpu::StringView message)
{
if (status != wgpu::RequestAdapterStatus::Success)
@ -362,7 +395,6 @@ static bool InitWGPU(GLFWwindow* window)
// Set device callback functions
wgpu::DeviceDescriptor deviceDesc {};
deviceDesc.SetDeviceLostCallback(wgpu::CallbackMode::AllowSpontaneous, wgpu_device_lost_callback);
deviceDesc.SetUncapturedErrorCallback(wgpu_error_callback);

88
examples/example_sdl2_wgpu/main.cpp
View file

@ -22,7 +22,6 @@
#endif
#define SDL_MAIN_HANDLED
#include "sdl2wgpu.h"
#include <SDL.h>
#include <webgpu/webgpu.h>
#include <webgpu/webgpu_cpp.h>
@ -76,15 +75,58 @@ static void wgpu_error_callback(const wgpu::Device&, wgpu::ErrorType type, wgpu:
}
#endif
static WGPUTexture check_surface_texture_status(SDL_Window* window)
{
WGPUSurfaceTexture surfaceTexture;
wgpuSurfaceGetCurrentTexture(wgpu_surface, &surfaceTexture);
switch ( surfaceTexture.status )
{
#if !defined(IMGUI_IMPL_WEBGPU_BACKEND_DAWN)
case WGPUSurfaceGetCurrentTextureStatus_Success:
break;
#else
case WGPUSurfaceGetCurrentTextureStatus_SuccessOptimal:
break;
case WGPUSurfaceGetCurrentTextureStatus_SuccessSuboptimal:
#endif
case WGPUSurfaceGetCurrentTextureStatus_Timeout:
case WGPUSurfaceGetCurrentTextureStatus_Outdated:
case WGPUSurfaceGetCurrentTextureStatus_Lost:
// if the status is NOT optimal let's try to reconfigure the surface
{
#ifndef NDEBUG
printf("Bad surface texture status: %d\n", surfaceTexture.status);
#endif
/* if (surfaceTexture.texture)
wgpuTextureRelease(surfaceTexture.texture);*/
int width, height;
SDL_GetWindowSize(window, &width, &height);
if ( width > 0 && height > 0 )
{
wgpu_surface_configuration.width = width;
wgpu_surface_configuration.height = height;
wgpuSurfaceConfigure(wgpu_surface, &wgpu_surface_configuration);
}
return nullptr;
}
default: // should never be reached
assert(!"Unexpected Surface Texture status error\n");
return nullptr;
}
return surfaceTexture.texture;
}
// Main code
int main(int, char**)
{
#if !defined(__EMSCRIPTEN__)
#if defined(unix) || defined(__unix__)
// if not specified SDL_getWGPUSurface prefers always X11 also on Wayland, uncomment to force to use Wayland
//SDL_SetHint(SDL_HINT_VIDEODRIVER, "wayland"); // or (outside code) export SDL_VIDEODRIVER=wayland environment variable
#endif // or " " export SDL_VIDEODRIVER=$XDG_SESSION_TYPE to get the current session type
#if defined(__linux__)
// it's necessary to specify "x11" or "wayland": default is "x11" it works also in wayland
// or comment the follow line and export SDL_VIDEODRIVER environment variable:
SDL_SetHint(SDL_HINT_VIDEODRIVER, "x11"); // export SDL_VIDEODRIVER=wayland (to set wayland session type)
// export SDL_VIDEODRIVER=$XDG_SESSION_TYPE (to get current session type: x11 | wayland)
#endif
// Init SDL
@ -107,9 +149,7 @@ int main(int, char**)
// Setup Platform/Renderer backends
ImGui_ImplSDL2_InitForOther(window);
#ifdef __EMSCRIPTEN__
//ImGui_ImplSDL2_InstallEmscriptenCallbacks(window, "#canvas");
#endif
ImGui_ImplWGPU_InitInfo init_info;
init_info.Device = wgpu_device;
init_info.NumFramesInFlight = 3;
@ -179,12 +219,15 @@ int main(int, char**)
//continue;
}
// Check surface texture status
WGPUTexture texture = check_surface_texture_status(window);
if(!texture) continue;
// Start the Dear ImGui frame
ImGui_ImplWGPU_NewFrame();
ImGui_ImplSDL2_NewFrame();
ImGui::NewFrame();
// 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!).
if (show_demo_window)
ImGui::ShowDemoWindow(&show_demo_window);
@ -225,13 +268,6 @@ int main(int, char**)
// Rendering
ImGui::Render();
#ifndef __EMSCRIPTEN__
// Tick needs to be called in Dawn to display validation errors
wgpuDeviceTick(wgpu_device);
#endif
WGPUSurfaceTexture surfaceTexture;
wgpuSurfaceGetCurrentTexture(wgpu_surface, &surfaceTexture);
WGPUTextureViewDescriptor viewDescriptor {};
viewDescriptor.format = wgpu_preferred_fmt;
viewDescriptor.dimension = WGPUTextureViewDimension_2D;
@ -239,7 +275,7 @@ int main(int, char**)
viewDescriptor.arrayLayerCount = WGPU_ARRAY_LAYER_COUNT_UNDEFINED;
viewDescriptor.aspect = WGPUTextureAspect_All;
WGPUTextureView textureView = wgpuTextureCreateView(surfaceTexture.texture, &viewDescriptor);
WGPUTextureView textureView = wgpuTextureCreateView(texture, &viewDescriptor);
WGPURenderPassColorAttachment color_attachments {};
color_attachments.depthSlice = WGPU_DEPTH_SLICE_UNDEFINED;
@ -262,11 +298,12 @@ int main(int, char**)
WGPUCommandBufferDescriptor cmd_buffer_desc {};
WGPUCommandBuffer cmd_buffer = wgpuCommandEncoderFinish(encoder, &cmd_buffer_desc);
WGPUQueue queue = wgpuDeviceGetQueue(wgpu_device);
wgpuQueueSubmit(queue, 1, &cmd_buffer);
wgpuQueueSubmit(wgpu_queue, 1, &cmd_buffer);
#ifndef __EMSCRIPTEN__
wgpuSurfacePresent(wgpu_surface);
// Tick needs to be called in Dawn to display validation errors
wgpuDeviceTick(wgpu_device);
#endif
wgpuTextureViewRelease(textureView);
wgpuRenderPassEncoderRelease(pass);
@ -287,6 +324,10 @@ int main(int, char**)
wgpuQueueRelease(wgpu_queue);
wgpuDeviceRelease(wgpu_device);
wgpuInstanceRelease(wgpu_instance);
#ifndef __EMSCRIPTEN__
// wait to flush all WGPU operations before to continue
wgpuDeviceTick(wgpu_device);
#endif
// Terminate SDL
SDL_DestroyWindow(window);
@ -298,7 +339,6 @@ int main(int, char**)
static bool InitWGPU(SDL_Window* window)
{
static wgpu::Adapter localAdapter;
static wgpu::Device localDevice;
wgpu_surface_configuration.presentMode = WGPUPresentMode_Fifo;
wgpu_surface_configuration.alphaMode = WGPUCompositeAlphaMode_Auto;
@ -329,12 +369,6 @@ static bool InitWGPU(SDL_Window* window)
wgpu::RequestAdapterOptions adapterOptions {};
#if defined(_WIN32) || defined(WIN32)
// Windows users: uncomment to force DirectX backend instead of Vulkan
// adapterOptions.backendType = wgpu::BackendType::D3D12; // to use D3D12 backend in W10/W11
// adapterOptions.backendType = wgpu::BackendType::D3D11; // to use D3D11 backend in W10/W11
#endif
auto onRequestAdapter = [](wgpu::RequestAdapterStatus status, wgpu::Adapter adapter, wgpu::StringView message)
{
if (status != wgpu::RequestAdapterStatus::Success)