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Fix alpha conversion for wayland single pixel buffer

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Kovid Goyal 2024-10-20 09:35:28 +05:30
parent 002d0a0403
commit 16c82c7c16
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1 changed files with 1 additions and 1 deletions
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2
glfw/wl_window.c vendored
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@ -824,7 +824,7 @@ create_single_color_buffer(int width, int height, pixel color) {
if (width == 1 && height == 1 && _glfw.wl.wp_single_pixel_buffer_manager_v1) {
#define C(x) (uint32_t)(((double)((uint64_t)color.alpha * color.x * UINT32_MAX)) / (255 * 255))
struct wl_buffer *ans = wp_single_pixel_buffer_manager_v1_create_u32_rgba_buffer(
_glfw.wl.wp_single_pixel_buffer_manager_v1, C(red), C(green), C(blue), color.alpha * UINT32_MAX);
_glfw.wl.wp_single_pixel_buffer_manager_v1, C(red), C(green), C(blue), (uint32_t)((color.alpha / 255.) * UINT32_MAX));
#undef C
if (!ans) _glfwInputError(GLFW_PLATFORM_ERROR, "Wayland: failed to create single pixel buffer");
return ans;