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#include "pipe/p_compiler.h"
#include "util/u_debug.h"
#include "target-helpers/wrap_screen.h"
struct sw_winsys;
#ifdef GALLIUM_SOFTPIPE
#include "softpipe/sp_public.h"
#endif
#ifdef GALLIUM_LLVMPIPE
#include "llvmpipe/lp_public.h"
#endif
#ifdef GALLIUM_CELL
#include "cell/ppu/cell_public.h"
#endif
/*
* Helper function to choose and instantiate one of the software rasterizers:
* cell, llvmpipe, softpipe.
*
* This function could be shared, but currently causes headaches for
* the build systems, particularly scons if we try. Long term, want
* to avoid having global #defines for things like GALLIUM_LLVMPIPE,
* GALLIUM_CELL, etc. Scons already eliminates those #defines, so
* things that are painful for it now are likely to be painful for
* other build systems in the future.
*/
static INLINE struct pipe_screen *
swrast_screen_create(struct sw_winsys *winsys)
{
const char *default_driver;
const char *driver;
struct pipe_screen *screen = NULL;
#if defined(GALLIUM_CELL)
default_driver = "cell";
#elif defined(GALLIUM_LLVMPIPE)
default_driver = "llvmpipe";
#elif defined(GALLIUM_SOFTPIPE)
default_driver = "softpipe";
#else
default_driver = "";
#endif
driver = debug_get_option("GALLIUM_DRIVER", default_driver);
#if defined(GALLIUM_CELL)
if (screen == NULL && strcmp(driver, "cell") == 0)
screen = cell_create_screen( winsys );
#endif
#if defined(GALLIUM_LLVMPIPE)
if (screen == NULL && strcmp(driver, "llvmpipe") == 0)
screen = llvmpipe_create_screen( winsys );
#endif
#if defined(GALLIUM_SOFTPIPE)
if (screen == NULL)
screen = softpipe_create_screen( winsys );
#endif
return gallium_wrap_screen( screen );
}
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