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clear-wgpu.c
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clear-wgpu.c
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//------------------------------------------------------------------------------
// clear-wgpu.c
// Simple draw loop, clear default framebuffer.
//------------------------------------------------------------------------------
#include "wgpu_entry.h"
#define SOKOL_IMPL
#define SOKOL_WGPU
#include "sokol_gfx.h"
#include "sokol_log.h"
static sg_pass_action pass_action;
static void init(void) {
sg_setup(&(sg_desc){
.environment = wgpu_environment(),
.logger.func = slog_func,
});
pass_action = (sg_pass_action) {
.colors[0] = {
.load_action = SG_LOADACTION_CLEAR,
.clear_value = { 1.0f, 0.0f, 0.0f, 1.0f }
}
};
}
static void frame(void) {
float g = pass_action.colors[0].clear_value.g + 0.01f;
pass_action.colors[0].clear_value.g = (g > 1.0f) ? 0.0f : g;
sg_begin_pass(&(sg_pass){ .action = pass_action, .swapchain = wgpu_swapchain() });
sg_end_pass();
sg_commit();
}
static void shutdown(void) {
sg_shutdown();
}
int main() {
wgpu_start(&(wgpu_desc_t){
.init_cb = init,
.frame_cb = frame,
.shutdown_cb = shutdown,
.width = 640,
.height = 480,
.title = "clear-wgpu"
});
return 0;
}