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Examples: SDL3+SDL_GPU: use SDL_GPU_PRESENTMODE_MAILBOX swapchain parameters.

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ocornut 2025-01-22 10:22:31 +01:00
parent bf13442c7c
commit 3e6bdc2242
1 changed files with 5 additions and 3 deletions
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6
examples/example_sdl3_sdlgpu3/main.cpp
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@ -7,7 +7,7 @@
// - Introduction, links and more at the top of imgui.cpp
// Important note to the reader who wish to integrate imgui_impl_sdlgpu3.cpp/.h in their own engine/app.
// - Unline other backends, the user must call the function Imgui_ImplSDLGPU_PrepareDrawData BEFORE issuing a SDL_GPURenderPass containing ImGui_ImplSDLGPU_RenderDrawData.
// - Unlike other backends, the user must call the function Imgui_ImplSDLGPU_PrepareDrawData() BEFORE issuing a SDL_GPURenderPass containing ImGui_ImplSDLGPU_RenderDrawData.
// Calling the function is MANDATORY, otherwise the ImGui will not upload neither the vertex nor the index buffer for the GPU. See imgui_impl_sdlgpu3.cpp for more info.
#include "imgui.h"
@ -54,6 +54,7 @@ int main(int, char**)
printf("Error: SDL_ClaimWindowForGPUDevice(): %s\n", SDL_GetError());
return -1;
}
SDL_SetGPUSwapchainParameters(gpu_device, window, SDL_GPU_SWAPCHAINCOMPOSITION_SDR, SDL_GPU_PRESENTMODE_MAILBOX);
// Setup Dear ImGui context
IMGUI_CHECKVERSION();
@ -140,7 +141,7 @@ int main(int, char**)
ImGui::Checkbox("Another Window", &show_another_window);
ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f
ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color
ImGui::ColorEdit4("clear color", (float*)&clear_color); // Edit 3 floats representing a color
if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated)
counter++;
@ -196,6 +197,7 @@ int main(int, char**)
// Submit the command buffer
SDL_SubmitGPUCommandBuffer(command_buffer);
}
// Cleanup
SDL_WaitForGPUIdle(gpu_device);
ImGui_ImplSDL3_Shutdown();