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PojavLauncherTeam
GitHub Repository: PojavLauncherTeam/mesa
 Path: blob/21.2-virgl/src/gallium/auxiliary/target-helpers/inline_sw_helper.h
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#ifndef INLINE_SW_HELPER_H

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#define INLINE_SW_HELPER_H

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#include "pipe/p_compiler.h"

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#include "util/u_debug.h"

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#include "util/debug.h"

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#include "frontend/sw_winsys.h"

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#include "target-helpers/inline_debug_helper.h"

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#ifdef GALLIUM_SWR

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#include "swr/swr_public.h"

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#endif

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/* Helper function to choose and instantiate one of the software rasterizers:

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 * llvmpipe, softpipe.

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 */

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#ifdef GALLIUM_SOFTPIPE

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#include "softpipe/sp_public.h"

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#endif

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#ifdef GALLIUM_LLVMPIPE

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#include "llvmpipe/lp_public.h"

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#endif

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#ifdef GALLIUM_VIRGL

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#include "virgl/virgl_public.h"

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#include "virgl/vtest/virgl_vtest_public.h"

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#endif

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#ifdef GALLIUM_D3D12

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#include "d3d12/d3d12_public.h"

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#endif

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#ifdef GALLIUM_ASAHI

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#include "asahi/agx_public.h"

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#endif

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#ifdef GALLIUM_ZINK

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struct pipe_screen *zink_create_screen(struct sw_winsys *winsys);

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#endif

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static inline struct pipe_screen *

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sw_screen_create_named(struct sw_winsys *winsys, const char *driver)

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{

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   struct pipe_screen *screen = NULL;

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#if defined(GALLIUM_LLVMPIPE)

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   if (screen == NULL && strcmp(driver, "llvmpipe") == 0)

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      screen = llvmpipe_create_screen(winsys);

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#endif

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#if defined(GALLIUM_VIRGL)

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   if (screen == NULL && strcmp(driver, "virpipe") == 0) {

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      struct virgl_winsys *vws;

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      vws = virgl_vtest_winsys_wrap(winsys);

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      screen = virgl_create_screen(vws, NULL);

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   }

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#endif

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#if defined(GALLIUM_SOFTPIPE)

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   if (screen == NULL && strcmp(driver, "softpipe") == 0)

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      screen = softpipe_create_screen(winsys);

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#endif

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#if defined(GALLIUM_SWR)

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   if (screen == NULL && strcmp(driver, "swr") == 0)

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      screen = swr_create_screen(winsys);

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#endif

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#if defined(GALLIUM_ZINK)

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   if (screen == NULL && strcmp(driver, "zink") == 0)

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      screen = zink_create_screen(winsys);

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#endif

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#if defined(GALLIUM_D3D12)

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   if (screen == NULL && strcmp(driver, "d3d12") == 0)

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      screen = d3d12_create_dxcore_screen(winsys, NULL);

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#endif

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#if defined(GALLIUM_ASAHI)

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   if (screen == NULL && strcmp(driver, "asahi") == 0)

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      screen = agx_screen_create(winsys);

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#endif

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   return screen ? debug_screen_wrap(screen) : NULL;

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}

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static inline struct pipe_screen *

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sw_screen_create_vk(struct sw_winsys *winsys, bool sw_vk)

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{

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   UNUSED bool only_sw = env_var_as_boolean("LIBGL_ALWAYS_SOFTWARE", false);

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   const char *drivers[] = {

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      (sw_vk ? "" : debug_get_option("GALLIUM_DRIVER", "")),

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#if defined(GALLIUM_D3D12)

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      (sw_vk || only_sw) ? "" : "d3d12",

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#endif

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#if defined(GALLIUM_ASAHI)

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      (sw_vk || only_sw) ? "" : "asahi",

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#endif

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#if defined(GALLIUM_LLVMPIPE)

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      "llvmpipe",

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#endif

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#if defined(GALLIUM_SOFTPIPE)

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      (sw_vk ? "" : "softpipe"),

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#endif

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#if defined(GALLIUM_SWR)

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      (sw_vk ? "" : "swr"),

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#endif

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#if defined(GALLIUM_ZINK)

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      (sw_vk || only_sw) ? "" : "zink",

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#endif

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   };

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   for (unsigned i = 0; i < ARRAY_SIZE(drivers); i++) {

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      struct pipe_screen *screen = sw_screen_create_named(winsys, drivers[i]);

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      if (screen)

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         return screen;

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      /* If the env var is set, don't keep trying things */

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      else if (i == 0 && drivers[i][0] != '\0')

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         return NULL;

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   }

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   return NULL;

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}

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static inline struct pipe_screen *

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sw_screen_create(struct sw_winsys *winsys)

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{

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   return sw_screen_create_vk(winsys, false);

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}

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#endif

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