(D3D) Create graphics context driver for D3D and move

state code over to it

gfx/d3d9/d3d.cpp

@@ -548,14 +548,12 @@ static bool d3d_frame(void *data, const void *frame,
 
    RARCH_PERFORMANCE_STOP(d3d_frame);
 
-   if (d3d->dev->Present(NULL, NULL, NULL, NULL) != D3D_OK)
-   {
-      d3d->needs_restore = true;
-      RARCH_ERR("[D3D]: Present() failed.\n");
-      return true;
-   }
+   if (d3d && d3d->ctx_driver && d3d->ctx_driver->update_window_title)
+      d3d->ctx_driver->update_window_title();
+
+   if (d3d && d3d->ctx_driver && d3d->ctx_driver->swap_buffers)
+      d3d->ctx_driver->swap_buffers();
 
-   d3d_update_title(d3d);
    return true;
 }
 
@@ -569,18 +567,26 @@ static void d3d_set_nonblock_state(void *data, bool state)
 static bool d3d_alive(void *data)
 {
    D3DVideo *d3d = reinterpret_cast<D3DVideo*>(data);
-   bool ret = d3d_alive_func(d3d);
-   return !d3d_quit && ret;
+   bool quit = false, resize = false;
+
+   if (d3d->ctx_driver && d3d->ctx_driver->check_window)
+      d3d->ctx_driver->check_window(&quit, &resize, &d3d->screen_width,
+      &d3d->screen_height, g_extern.frame_count);
+
+   if (quit)
+      d3d_quit = true;
+   else if (resize)
+      d3d->should_resize = true;
+
+   return !d3d_quit;
 }
 
 static bool d3d_focus(void *data)
 {
-#ifdef _XBOX
-   return true;
-#else
    D3DVideo *d3d = reinterpret_cast<D3DVideo*>(data);
-   return GetFocus() == d3d->hWnd;
-#endif
+   if (d3d && d3d->ctx_driver && d3d->ctx_driver->has_focus)
+      return d3d->ctx_driver->has_focus();
+   return false;
 }
 
 static void d3d_set_rotation(void *data, unsigned rot)
@@ -811,15 +817,15 @@ static bool d3d_overlay_load(void *data, const texture_image *images, unsigned n
    return true;
 }
 
-static void d3d_show_mouse(void *data, bool state);
-
 static void d3d_overlay_enable(void *data, bool state)
 {
    D3DVideo *d3d = reinterpret_cast<D3DVideo*>(data);
 
    for (unsigned i = 0; i < d3d->overlays.size(); i++)
       d3d->overlays_enabled = state;
-   d3d_show_mouse(d3d, state);
+
+   if (d3d && d3d->ctx_driver && d3d->ctx_driver->show_mouse)
+      d3d->ctx_driver->show_mouse(state);
 }
 
 static void d3d_overlay_full_screen(void *data, bool enable)
@@ -909,7 +915,9 @@ static void d3d_set_osd_msg(void *data, const char *msg, void *userdata)
 static void d3d_show_mouse(void *data, bool state)
 {
    D3DVideo *d3d = reinterpret_cast<D3DVideo*>(data);
-   d3d_show_cursor(d3d, state);
+
+   if (d3d && d3d->ctx_driver && d3d->ctx_driver->show_mouse)
+      d3d->ctx_driver->show_mouse(state);
 }
 
 #ifdef HAVE_MENU
@@ -1092,7 +1100,8 @@ bool d3d_construct(void *data, const video_info_t *info, const input_driver_t **
    driver.video_window  = (uintptr_t)d3d->hWnd;
 
 #ifdef HAVE_WINDOW
-   d3d_show_mouse(d3d, !info->fullscreen
+   if (d3d && d3d->ctx_driver && d3d->ctx_driver->show_mouse)
+      d3d->ctx_driver->show_mouse(!info->fullscreen
 #ifdef HAVE_OVERLAY
       || d3d->overlays_enabled
 #endif
@@ -1134,6 +1143,15 @@ bool d3d_construct(void *data, const video_info_t *info, const input_driver_t **
    return true;
 }
 
+static const gfx_ctx_driver_t *d3d_get_context(void)
+{
+   // TODO: GL core contexts through ANGLE?
+   enum gfx_ctx_api api = GFX_CTX_DIRECT3D9_API;
+   unsigned major = 0;
+   unsigned minor = 0;
+   return gfx_ctx_init_first(api, major, minor);
+}
+
 static void *d3d_init(const video_info_t *info, const input_driver_t **input,
       void **input_data)
 {
@@ -1141,6 +1159,13 @@ static void *d3d_init(const video_info_t *info, const input_driver_t **input,
    if (!vid)
       return NULL;
 
+   vid->ctx_driver = d3d_get_context();
+   if (!vid->ctx_driver)
+   {
+      free(vid);
+      return NULL;
+   }
+
    //default values
    vid->g_pD3D           = NULL;
    vid->dev              = NULL;

gfx/d3d9/d3d9.hpp

@@ -39,6 +39,7 @@
 #include "../../driver.h"
 #include "../shader_parse.h"
 
+#include "../gfx_context.h"
 #include "../gfx_common.h"
 
 #ifdef HAVE_CG
@@ -89,6 +90,7 @@ bool d3d_alive_func(void *data);
 
 struct D3DVideo
 {
+      const gfx_ctx_driver_t *ctx_driver;
       bool should_resize;
 
 #ifdef HAVE_WINDOW

gfx/d3d9/d3d9_pc.cpp

@@ -38,9 +38,19 @@ bool d3d_process_shader(void *data)
    return d3d_init_singlepass(d3d);
 }
 
-void d3d_update_title(void *data)
+static void gfx_ctx_d3d_swap_buffers(void)
 {
-   D3DVideo *d3d = reinterpret_cast<D3DVideo*>(data);
+   D3DVideo *d3d = reinterpret_cast<D3DVideo*>(driver.video_data);
+   if (d3d->dev->Present(NULL, NULL, NULL, NULL) != D3D_OK)
+   {
+      d3d->needs_restore = true;
+      RARCH_ERR("[D3D]: Present() failed.\n");
+   }
+}
+
+static void gfx_ctx_d3d_update_title(void)
+{
+   D3DVideo *d3d = reinterpret_cast<D3DVideo*>(driver.video_data);
    char buffer[128], buffer_fps[128];
    bool fps_draw = g_settings.fps_show;
    if (gfx_get_fps(buffer, sizeof(buffer), fps_draw ? buffer_fps : NULL, sizeof(buffer_fps)))
@@ -374,7 +384,7 @@ void d3d_deinit_font(void *data)
    d3d->font = NULL;
 }
 
-void d3d_show_cursor(void *data, bool state)
+static void gfx_ctx_d3d_show_mouse(bool state)
 {
 #ifdef HAVE_WINDOW
    if (state)
@@ -442,9 +452,12 @@ void d3d_make_d3dpp(void *data, const video_info_t *info, D3DPRESENT_PARAMETERS
    }
 }
 
-bool d3d_alive_func(void *data)
+static void gfx_ctx_d3d_check_window(bool *quit,
+   bool *resize, unsigned *width, unsigned *height, unsigned frame_count)
 {
-   D3DVideo *d3d = reinterpret_cast<D3DVideo*>(data);
+   D3DVideo *d3d = reinterpret_cast<D3DVideo*>(driver.video_data);
+   *quit = false;
+   *resize = false;
 #ifndef _XBOX
    MSG msg;
 
@@ -454,5 +467,50 @@ bool d3d_alive_func(void *data)
       DispatchMessage(&msg);
    }
 #endif
+}
+
+static bool gfx_ctx_d3d_has_focus(void)
+{
+#ifdef _XBOX
+   return true;
+#else
+   D3DVideo *d3d = reinterpret_cast<D3DVideo*>(driver.video_data);
+   return GetFocus() == d3d->hWnd;
+#endif
+}
+
+static bool gfx_ctx_d3d_bind_api(enum gfx_ctx_api api, unsigned major, unsigned minor)
+{
+   (void)major;
+   (void)minor;
+   (void)api;
+#if defined(_XBOX1)
+   return api == GFX_CTX_DIRECT3D8_API;
+#else
+   return api == GFX_CTX_DIRECT3D9_API;
+#endif
+}
+
+static bool gfx_ctx_d3d_init(void)
+{
    return true;
 }
+
+const gfx_ctx_driver_t gfx_ctx_d3d9 = {
+   gfx_ctx_d3d_init,				// gfx_ctx_init
+   NULL,							// gfx_ctx_destroy
+   gfx_ctx_d3d_bind_api,			// gfx_ctx_bind_api
+   NULL,							// gfx_ctx_swap_interval
+   NULL,							// gfx_ctx_set_video_mode
+   NULL,							// gfx_ctx_get_video_size
+   NULL,							
+   gfx_ctx_d3d_update_title,		// gfx_ctx_update_window_title
+   gfx_ctx_d3d_check_window,		// gfx_ctx_check_window
+   NULL,							// gfx_ctx_set_resize
+   gfx_ctx_d3d_has_focus,			// gfx_ctx_has_focus
+   gfx_ctx_d3d_swap_buffers,		// gfx_ctx_swap_buffers
+   NULL,							// gfx_ctx_input_driver
+   NULL,							// gfx_ctx_get_proc_address
+   gfx_ctx_d3d_show_mouse,			// gfx_ctx_show_mouse
+   "d3d9",
+};

gfx/gfx_context.c

@@ -29,6 +29,9 @@ static const gfx_ctx_driver_t *gfx_ctx_drivers[] = {
 #if defined(_XBOX)
    &gfx_ctx_xdk,
 #endif
+#if defined(HAVE_WIN32_D3D9)
+   &gfx_ctx_d3d9,
+#endif
 #if defined(HAVE_VIDEOCORE)
    &gfx_ctx_videocore,
 #endif

gfx/gfx_context.h

@@ -100,6 +100,7 @@ typedef struct gfx_ctx_driver
 extern const gfx_ctx_driver_t gfx_ctx_sdl_gl;
 extern const gfx_ctx_driver_t gfx_ctx_x_egl;
 extern const gfx_ctx_driver_t gfx_ctx_glx;
+extern const gfx_ctx_driver_t gfx_ctx_d3d9;
 extern const gfx_ctx_driver_t gfx_ctx_drm_egl;
 extern const gfx_ctx_driver_t gfx_ctx_android;
 extern const gfx_ctx_driver_t gfx_ctx_ps3;