gallium: add PIPE_CAP_SHAREABLE_SHADERS

I'll let drivers figure out how to do it.

Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>

src/gallium/docs/source/screen.rst

@@ -276,6 +276,8 @@ The integer capabilities:
   GL4 hardware will likely need to emulate it with a shader variant, or by
   selecting the interpolation weights with a conditional assignment
   in the shader.
+* ``PIPE_CAP_SHAREABLE_SHADERS``: Whether shader CSOs can be used by any
+  pipe_context.
 
 
 

src/gallium/drivers/freedreno/freedreno_screen.c

@@ -237,6 +237,7 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 	case PIPE_CAP_DEPTH_BOUNDS_TEST:
 	case PIPE_CAP_TGSI_TXQS:
 	case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
+	case PIPE_CAP_SHAREABLE_SHADERS:
 		return 0;
 
 	case PIPE_CAP_MAX_VIEWPORTS:

src/gallium/drivers/i915/i915_screen.c

@@ -249,6 +249,7 @@ i915_get_param(struct pipe_screen *screen, enum pipe_cap cap)
    case PIPE_CAP_DEPTH_BOUNDS_TEST:
    case PIPE_CAP_TGSI_TXQS:
    case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
+   case PIPE_CAP_SHAREABLE_SHADERS:
       return 0;
 
    case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:

src/gallium/drivers/ilo/ilo_screen.c

@@ -471,6 +471,7 @@ ilo_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_DEPTH_BOUNDS_TEST:
    case PIPE_CAP_TGSI_TXQS:
    case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
+   case PIPE_CAP_SHAREABLE_SHADERS:
       return 0;
 
    case PIPE_CAP_VENDOR_ID:

src/gallium/drivers/llvmpipe/lp_screen.c

@@ -298,6 +298,7 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_DEPTH_BOUNDS_TEST:
    case PIPE_CAP_TGSI_TXQS:
    case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
+   case PIPE_CAP_SHAREABLE_SHADERS:
       return 0;
    }
    /* should only get here on unhandled cases */

src/gallium/drivers/nouveau/nv30/nv30_screen.c

@@ -171,6 +171,7 @@ nv30_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
    case PIPE_CAP_TGSI_TXQS:
    case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
+   case PIPE_CAP_SHAREABLE_SHADERS:
       return 0;
 
    case PIPE_CAP_VENDOR_ID:

src/gallium/drivers/nouveau/nv50/nv50_screen.c

@@ -216,6 +216,7 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
    case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
    case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
+   case PIPE_CAP_SHAREABLE_SHADERS:
       return 0;
 
    case PIPE_CAP_VENDOR_ID:

src/gallium/drivers/nouveau/nvc0/nvc0_screen.c

@@ -202,6 +202,7 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
    case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
    case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
+   case PIPE_CAP_SHAREABLE_SHADERS:
       return 0;
 
    case PIPE_CAP_VENDOR_ID:

src/gallium/drivers/r300/r300_screen.c

@@ -197,6 +197,7 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
         case PIPE_CAP_DEPTH_BOUNDS_TEST:
         case PIPE_CAP_TGSI_TXQS:
         case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
+        case PIPE_CAP_SHAREABLE_SHADERS:
             return 0;
 
         /* SWTCL-only features. */

src/gallium/drivers/r600/r600_pipe.c

@@ -343,6 +343,7 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 	case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
 	case PIPE_CAP_DEPTH_BOUNDS_TEST:
 	case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
+	case PIPE_CAP_SHAREABLE_SHADERS:
 		return 0;
 
 	/* Stream output. */

src/gallium/drivers/radeonsi/si_pipe.c

@@ -337,6 +337,7 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 	case PIPE_CAP_FAKE_SW_MSAA:
 	case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
 	case PIPE_CAP_VERTEXID_NOBASE:
+	case PIPE_CAP_SHAREABLE_SHADERS:
 		return 0;
 
 	case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:

src/gallium/drivers/softpipe/sp_screen.c

@@ -248,6 +248,7 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_DEPTH_BOUNDS_TEST:
    case PIPE_CAP_TGSI_TXQS:
    case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
+   case PIPE_CAP_SHAREABLE_SHADERS:
       return 0;
    }
    /* should only get here on unhandled cases */

src/gallium/drivers/svga/svga_screen.c

@@ -381,6 +381,7 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_DEPTH_BOUNDS_TEST:
    case PIPE_CAP_TGSI_TXQS:
    case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
+   case PIPE_CAP_SHAREABLE_SHADERS:
       return 0;
    }
 

src/gallium/drivers/vc4/vc4_screen.c

@@ -182,6 +182,7 @@ vc4_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 	case PIPE_CAP_DEPTH_BOUNDS_TEST:
 	case PIPE_CAP_TGSI_TXQS:
 	case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
+	case PIPE_CAP_SHAREABLE_SHADERS:
                 return 0;
 
                 /* Stream output. */

src/gallium/include/pipe/p_defines.h

@@ -632,6 +632,7 @@ enum pipe_cap
    PIPE_CAP_DEPTH_BOUNDS_TEST,
    PIPE_CAP_TGSI_TXQS,
    PIPE_CAP_FORCE_PERSAMPLE_INTERP,
+   PIPE_CAP_SHAREABLE_SHADERS,
 };
 
 #define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 (1 << 0)