gallium: Add capability for ARB_robust_buffer_access_behavior.

Signed-off-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>

src/gallium/docs/source/screen.rst

@@ -331,6 +331,11 @@ The integer capabilities:
   primitive on a layer is obtained from ``PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS``
   even though it can be larger than the number of layers supported by either
   rendering or textures.
+* ``PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR``: Implementation uses bounds
+  checking on resource accesses by shader if the context is created with
+  PIPE_CONTEXT_ROBUST_BUFFER_ACCESS. See the ARB_robust_buffer_access_behavior
+  extension for information on the required behavior for out of bounds accesses
+  and accesses to unbound resources.
 
 
 .. _pipe_capf:

src/gallium/drivers/freedreno/freedreno_screen.c

@@ -256,6 +256,7 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 	case PIPE_CAP_GENERATE_MIPMAP:
 	case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
 	case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
+	case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
 		return 0;
 
 	case PIPE_CAP_MAX_VIEWPORTS:

src/gallium/drivers/i915/i915_screen.c

@@ -270,6 +270,7 @@ i915_get_param(struct pipe_screen *screen, enum pipe_cap cap)
    case PIPE_CAP_PCI_DEVICE:
    case PIPE_CAP_PCI_FUNCTION:
    case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
+   case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
       return 0;
 
    case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:

src/gallium/drivers/ilo/ilo_screen.c

@@ -499,6 +499,7 @@ ilo_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_PCI_DEVICE:
    case PIPE_CAP_PCI_FUNCTION:
    case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
+   case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
       return 0;
 
    case PIPE_CAP_VENDOR_ID:

src/gallium/drivers/llvmpipe/lp_screen.c

@@ -320,6 +320,7 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_PCI_DEVICE:
    case PIPE_CAP_PCI_FUNCTION:
    case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
+   case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
       return 0;
    }
    /* should only get here on unhandled cases */

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

@@ -193,6 +193,7 @@ nv30_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_PCI_DEVICE:
    case PIPE_CAP_PCI_FUNCTION:
    case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
+   case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
       return 0;
 
    case PIPE_CAP_VENDOR_ID:

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

@@ -246,6 +246,7 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_PCI_DEVICE:
    case PIPE_CAP_PCI_FUNCTION:
    case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
+   case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
       return 0;
 
    case PIPE_CAP_VENDOR_ID:

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

@@ -258,6 +258,7 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_PCI_BUS:
    case PIPE_CAP_PCI_DEVICE:
    case PIPE_CAP_PCI_FUNCTION:
+   case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
       return 0;
 
    case PIPE_CAP_VENDOR_ID:

src/gallium/drivers/r300/r300_screen.c

@@ -215,6 +215,7 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
         case PIPE_CAP_QUERY_BUFFER_OBJECT:
         case PIPE_CAP_QUERY_MEMORY_INFO:
         case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
+	case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
             return 0;
 
         /* SWTCL-only features. */

src/gallium/drivers/r600/r600_pipe.c

@@ -365,6 +365,7 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 	case PIPE_CAP_GENERATE_MIPMAP:
 	case PIPE_CAP_STRING_MARKER:
 	case PIPE_CAP_QUERY_BUFFER_OBJECT:
+	case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
 		return 0;
 
 	case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:

src/gallium/drivers/radeonsi/si_pipe.c

@@ -357,6 +357,7 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 	case PIPE_CAP_GENERATE_MIPMAP:
 	case PIPE_CAP_STRING_MARKER:
 	case PIPE_CAP_QUERY_BUFFER_OBJECT:
+	case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
 		return 0;
 
 	case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:

src/gallium/drivers/softpipe/sp_screen.c

@@ -270,6 +270,7 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_PCI_DEVICE:
    case PIPE_CAP_PCI_FUNCTION:
    case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
+   case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
       return 0;
    case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
       return 4;

src/gallium/drivers/svga/svga_screen.c

@@ -364,6 +364,7 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_PCI_BUS:
    case PIPE_CAP_PCI_DEVICE:
    case PIPE_CAP_PCI_FUNCTION:
+   case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
       return 0;
    case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
       return 64;

src/gallium/drivers/swr/swr_screen.cpp

@@ -337,6 +337,7 @@ swr_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
    case PIPE_CAP_QUERY_BUFFER_OBJECT:
    case PIPE_CAP_QUERY_MEMORY_INFO:
+   case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
       return 0;
    }
 

src/gallium/drivers/vc4/vc4_screen.c

@@ -208,6 +208,7 @@ vc4_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
         case PIPE_CAP_PCI_DEVICE:
         case PIPE_CAP_PCI_FUNCTION:
         case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
+        case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
                 return 0;
 
                 /* Stream output. */

src/gallium/drivers/virgl/virgl_screen.c

@@ -240,6 +240,7 @@ virgl_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_PCI_DEVICE:
    case PIPE_CAP_PCI_FUNCTION:
    case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
+   case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
       return 0;
    case PIPE_CAP_VENDOR_ID:
       return 0x1af4;

src/gallium/include/pipe/p_defines.h

@@ -691,6 +691,7 @@ enum pipe_cap
    PIPE_CAP_PCI_DEVICE,
    PIPE_CAP_PCI_FUNCTION,
    PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT,
+   PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR,
 };
 
 #define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 (1 << 0)

src/mesa/state_tracker/st_extensions.c

@@ -589,6 +589,7 @@ void st_init_extensions(struct pipe_screen *screen,
       { o(ARB_pipeline_statistics_query),    PIPE_CAP_QUERY_PIPELINE_STATISTICS        },
       { o(ARB_point_sprite),                 PIPE_CAP_POINT_SPRITE                     },
       { o(ARB_query_buffer_object),          PIPE_CAP_QUERY_BUFFER_OBJECT              },
+      { o(ARB_robust_buffer_access_behavior), PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR   },
       { o(ARB_sample_shading),               PIPE_CAP_SAMPLE_SHADING                   },
       { o(ARB_seamless_cube_map),            PIPE_CAP_SEAMLESS_CUBE_MAP                },
       { o(ARB_shader_draw_parameters),       PIPE_CAP_DRAW_PARAMETERS                  },