/**
* Create a new pipe_screen object
* Note: we're not presently subclassing pipe_screen (no llvmpipe_screen).
*/
struct pipe_screen *
llvmpipe_create_screen(struct sw_winsys *winsys)
{
struct llvmpipe_screen *screen;
util_cpu_detect();
#ifdef DEBUG
LP_DEBUG = debug_get_flags_option("LP_DEBUG", lp_debug_flags, 0 );
#endif
LP_PERF = debug_get_flags_option("LP_PERF", lp_perf_flags, 0 );
screen = CALLOC_STRUCT(llvmpipe_screen);
if (!screen)
return NULL;
if (!lp_jit_screen_init(screen)) {
FREE(screen);
return NULL;
}
screen->winsys = winsys;
screen->base.destroy = llvmpipe_destroy_screen;
screen->base.get_name = llvmpipe_get_name;
screen->base.get_vendor = llvmpipe_get_vendor;
screen->base.get_device_vendor = llvmpipe_get_vendor; // TODO should be the CPU vendor
screen->base.get_param = llvmpipe_get_param;
screen->base.get_shader_param = llvmpipe_get_shader_param;
screen->base.get_paramf = llvmpipe_get_paramf;
screen->base.is_format_supported = llvmpipe_is_format_supported;
screen->base.context_create = llvmpipe_create_context;
screen->base.flush_frontbuffer = llvmpipe_flush_frontbuffer;
screen->base.fence_reference = llvmpipe_fence_reference;
screen->base.fence_finish = llvmpipe_fence_finish;
screen->base.get_timestamp = llvmpipe_get_timestamp;
llvmpipe_init_screen_resource_funcs(&screen->base);
screen->num_threads = util_cpu_caps.nr_cpus > 1 ? util_cpu_caps.nr_cpus : 0;
#ifdef PIPE_SUBSYSTEM_EMBEDDED
screen->num_threads = 0;
#endif
screen->num_threads = debug_get_num_option("LP_NUM_THREADS", screen->num_threads);
screen->num_threads = MIN2(screen->num_threads, LP_MAX_THREADS);
screen->rast = lp_rast_create(screen->num_threads);
if (!screen->rast) {
lp_jit_screen_cleanup(screen);
FREE(screen);
return NULL;
}
(void) mtx_init(&screen->rast_mutex, mtx_plain);
return &screen->base;
}
/**
* Create a new pipe_screen object
* Note: we're not presently subclassing pipe_screen (no llvmpipe_screen).
*/
struct pipe_screen *
llvmpipe_create_screen(struct sw_winsys *winsys)
{
struct llvmpipe_screen *screen;
util_cpu_detect();
#if defined(PIPE_ARCH_X86) && HAVE_LLVM < 0x0302
/* require SSE2 due to LLVM PR6960. */
if (!util_cpu_caps.has_sse2)
return NULL;
#endif
#ifdef DEBUG
LP_DEBUG = debug_get_flags_option("LP_DEBUG", lp_debug_flags, 0 );
#endif
LP_PERF = debug_get_flags_option("LP_PERF", lp_perf_flags, 0 );
screen = CALLOC_STRUCT(llvmpipe_screen);
if (!screen)
return NULL;
screen->winsys = winsys;
screen->base.destroy = llvmpipe_destroy_screen;
screen->base.get_name = llvmpipe_get_name;
screen->base.get_vendor = llvmpipe_get_vendor;
screen->base.get_param = llvmpipe_get_param;
screen->base.get_shader_param = llvmpipe_get_shader_param;
screen->base.get_paramf = llvmpipe_get_paramf;
screen->base.is_format_supported = llvmpipe_is_format_supported;
screen->base.context_create = llvmpipe_create_context;
screen->base.flush_frontbuffer = llvmpipe_flush_frontbuffer;
screen->base.fence_reference = llvmpipe_fence_reference;
screen->base.fence_signalled = llvmpipe_fence_signalled;
screen->base.fence_finish = llvmpipe_fence_finish;
screen->base.get_timestamp = llvmpipe_get_timestamp;
llvmpipe_init_screen_resource_funcs(&screen->base);
lp_jit_screen_init(screen);
screen->num_threads = util_cpu_caps.nr_cpus > 1 ? util_cpu_caps.nr_cpus : 0;
#ifdef PIPE_SUBSYSTEM_EMBEDDED
screen->num_threads = 0;
#endif
screen->num_threads = debug_get_num_option("LP_NUM_THREADS", screen->num_threads);
screen->num_threads = MIN2(screen->num_threads, LP_MAX_THREADS);
screen->rast = lp_rast_create(screen->num_threads);
if (!screen->rast) {
lp_jit_screen_cleanup(screen);
FREE(screen);
return NULL;
}
pipe_mutex_init(screen->rast_mutex);
util_format_s3tc_init();
return &screen->base;
}
