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Handle resize in the triangle example

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This commit is contained in:
Rukai 2019-05-13 20:57:49 +10:00
parent 7b0217d51c
commit 637a0883e7
1 changed files with 22 additions and 2 deletions
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24
examples/hello_triangle_c/main.c
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@ -188,15 +188,35 @@ int main() {
#error "Unsupported WGPU_TARGET"
#endif
int prev_width = 0;
int prev_height = 0;
glfwGetWindowSize(window, &prev_width, &prev_height);
WGPUSwapChainId swap_chain = wgpu_device_create_swap_chain(device, surface,
&(WGPUSwapChainDescriptor){
.usage = WGPUTextureUsageFlags_OUTPUT_ATTACHMENT,
.format = WGPUTextureFormat_Bgra8Unorm,
.width = 640,
.height = 480,
.width = prev_width,
.height = prev_height,
});
while (!glfwWindowShouldClose(window)) {
int width = 0;
int height = 0;
glfwGetWindowSize(window, &width, &height);
if (width != prev_width || height != prev_height) {
prev_width = width;
prev_height = height;
swap_chain = wgpu_device_create_swap_chain(device, surface,
&(WGPUSwapChainDescriptor){
.usage = WGPUTextureUsageFlags_OUTPUT_ATTACHMENT,
.format = WGPUTextureFormat_Bgra8Unorm,
.width = width,
.height = height,
});
}
WGPUSwapChainOutput next_texture =
wgpu_swap_chain_get_next_texture(swap_chain);