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Add Windows shared context.

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This commit is contained in:
Themaister 2014-04-19 16:21:37 +02:00
parent 105872a42c
commit 5bdd368192
1 changed files with 46 additions and 8 deletions
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54
gfx/context/wgl_ctx.c
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@ -33,8 +33,10 @@
#define IDI_ICON 1
#define MAX_MONITORS 9
static bool g_use_hw_ctx;
static HWND g_hwnd;
static HGLRC g_hrc;
static HGLRC g_hw_hrc;
static HDC g_hdc;
static HMONITOR g_last_hm;
static HMONITOR g_all_hms[MAX_MONITORS];
@ -82,8 +84,31 @@ static void create_gl_context(HWND hwnd)
g_hdc = GetDC(hwnd);
setup_pixel_format(g_hdc);
#ifdef GL_DEBUG
bool debug = true;
#else
bool debug = g_extern.system.hw_render_callback.debug_context;
#endif
bool core_context = (g_major * 1000 + g_minor) >= 3001;
if (!g_hrc)
{
g_hrc = wglCreateContext(g_hdc);
if (g_hrc && !core_context && !debug) // We'll create shared context later if not.
{
g_hw_hrc = wglCreateContext(g_hdc);
if (g_hw_hrc)
{
if (!wglShareLists(g_hrc, g_hw_hrc))
{
RARCH_LOG("[WGL]: Failed to share contexts.\n");
g_quit = true;
}
}
else
g_quit = true;
}
}
else
{
RARCH_LOG("[WGL]: Using cached GL context.\n");
@ -103,14 +128,6 @@ static void create_gl_context(HWND hwnd)
return;
}
#ifdef GL_DEBUG
bool debug = true;
#else
bool debug = g_extern.system.hw_render_callback.debug_context;
#endif
bool core_context = (g_major * 1000 + g_minor) >= 3001;
if (core_context || debug)
{
#ifndef WGL_CONTEXT_MAJOR_VERSION_ARB
@ -169,6 +186,16 @@ static void create_gl_context(HWND hwnd)
}
else
RARCH_ERR("[WGL]: Failed to create core context. Falling back to legacy context.\n");
if (g_use_hw_ctx)
{
g_hw_hrc = pcreate_context(g_hdc, context, attribs);
if (!g_hw_hrc)
{
RARCH_ERR("[WGL]: Failed to create shared context.\n");
g_quit = true;
}
}
}
else
RARCH_ERR("[WGL]: wglCreateContextAttribsARB not supported.\n");
@ -489,8 +516,11 @@ static void gfx_ctx_destroy(void *data)
if (!driver.video_cache_context)
{
if (g_hw_hrc)
wglDeleteContext(g_hw_hrc);
wglDeleteContext(g_hrc);
g_hrc = NULL;
g_hw_hrc = NULL;
}
}
@ -559,6 +589,13 @@ static void gfx_ctx_show_mouse(void *data, bool state)
show_cursor(state);
}
static void gfx_ctx_bind_hw_render(void *data, bool enable)
{
g_use_hw_render = enable;
if (g_hdc)
wglMakeCurrent(g_hdc, enable ? g_hw_hrc : g_hrc);
}
const gfx_ctx_driver_t gfx_ctx_wgl = {
gfx_ctx_init,
gfx_ctx_destroy,
@ -576,5 +613,6 @@ const gfx_ctx_driver_t gfx_ctx_wgl = {
gfx_ctx_get_proc_address,
gfx_ctx_show_mouse,
"wgl",
gfx_ctx_bind_hw_render,
};