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demos/gears: Add a gears demo.

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This commit is contained in:
Henri Verbeet
2016-11-02 14:56:13 +01:00
parent cd4f4a2976
commit 20508aee7c
11 changed files with 1115 additions and 9 deletions
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55
demos/demo_win32.h
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@@ -35,6 +35,9 @@ struct demo
ID3DBlob **code, ID3DBlob **errors);
size_t window_count;
bool quit;
void *user_data;
void (*idle_func)(struct demo *demo, void *user_data);
};
struct demo_window
@@ -101,8 +104,32 @@ static inline void demo_window_destroy(struct demo_window *window)
static inline demo_key demo_key_from_vkey(DWORD vkey)
{
if (vkey == VK_ESCAPE)
return DEMO_KEY_ESCAPE;
static const struct
{
DWORD vkey;
demo_key demo_key;
}
lookup[] =
{
{VK_ESCAPE, DEMO_KEY_ESCAPE},
{VK_LEFT, DEMO_KEY_LEFT},
{VK_RIGHT, DEMO_KEY_RIGHT},
{VK_UP, DEMO_KEY_UP},
{VK_DOWN, DEMO_KEY_DOWN},
};
unsigned int i;
if (vkey >= '0' && vkey <= '9')
return vkey;
if (vkey >= 'A' && vkey <= 'Z')
return vkey;
for (i = 0; i < ARRAY_SIZE(lookup); ++i)
{
if (lookup[i].vkey == vkey)
return lookup[i].demo_key;
}
return DEMO_KEY_UNKNOWN;
}
@@ -149,8 +176,19 @@ static inline void demo_process_events(struct demo *demo)
{
MSG msg = {0};
while (GetMessage(&msg, NULL, 0, 0) != -1)
for (;;)
{
if (!demo->idle_func)
{
if (GetMessageW(&msg, NULL, 0, 0) == -1)
break;
}
else if (!PeekMessageW(&msg, 0, 0, 0, PM_REMOVE))
{
demo->idle_func(demo, demo->user_data);
continue;
}
if (msg.message == WM_QUIT)
break;
TranslateMessage(&msg);
@@ -160,7 +198,7 @@ static inline void demo_process_events(struct demo *demo)
}
}
static inline bool demo_init(struct demo *demo)
static inline bool demo_init(struct demo *demo, void *user_data)
{
WNDCLASSEXW wc;
@@ -184,7 +222,10 @@ static inline bool demo_init(struct demo *demo)
if (!RegisterClassExW(&wc))
goto fail;
demo->window_count = 0;
demo->quit = false;
demo->user_data = user_data;
demo->idle_func = NULL;
return true;
@@ -199,6 +240,12 @@ static inline void demo_cleanup(struct demo *demo)
FreeLibrary(demo->d3dcompiler);
}
static inline void demo_set_idle_func(struct demo *demo,
void (*idle_func)(struct demo *demo, void *user_data))
{
demo->idle_func = idle_func;
}
static inline struct demo_swapchain *demo_swapchain_create(ID3D12CommandQueue *command_queue,
struct demo_window *window, const struct demo_swapchain_desc *desc)
{