gallium: introduce PIPE_CAP_FENCE_SIGNAL v2

Protects semaphore signaling functionality required by GL_EXT_semaphore.

v2: s/semaphore/fence

Signed-off-by: Andres Rodriguez <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>

18 files changed, 18 insertions, 1 deletions

diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst
index 4475aac4a70..c33facb79b6 100644
--- a/src/gallium/docs/source/screen.rst
+++ b/src/gallium/docs/source/screen.rst
@@ -412,6 +412,8 @@ The integer capabilities:
   priorities, this returns a bitmask of PIPE_CONTEXT_PRIORITY_x for the
   supported priority levels.  A driver that does not support prioritized
   contexts can return 0.
+* ``PIPE_CAP_FENCE_SIGNAL``: True if the driver supports signaling semaphores
+  using fence_server_signal().
 
 
 .. _pipe_capf:
diff --git a/src/gallium/drivers/etnaviv/etnaviv_screen.c b/src/gallium/drivers/etnaviv/etnaviv_screen.c
index c72793920ab..d5d1f4fdad2 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_screen.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_screen.c
@@ -266,6 +266,7 @@ etna_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
    case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
    case PIPE_CAP_CONTEXT_PRIORITY_MASK:
+   case PIPE_CAP_FENCE_SIGNAL:
       return 0;
 
    /* Stream output. */
diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c
index b68685989ca..438817d0034 100644
--- a/src/gallium/drivers/freedreno/freedreno_screen.c
+++ b/src/gallium/drivers/freedreno/freedreno_screen.c
@@ -336,6 +336,7 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 	case PIPE_CAP_TILE_RASTER_ORDER:
 	case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
 	case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
+	case PIPE_CAP_FENCE_SIGNAL:
 		return 0;
 
 	case PIPE_CAP_CONTEXT_PRIORITY_MASK:
diff --git a/src/gallium/drivers/i915/i915_screen.c b/src/gallium/drivers/i915/i915_screen.c
index 804d1245b4e..ac3621f8149 100644
--- a/src/gallium/drivers/i915/i915_screen.c
+++ b/src/gallium/drivers/i915/i915_screen.c
@@ -324,6 +324,7 @@ i915_get_param(struct pipe_screen *screen, enum pipe_cap cap)
    case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
    case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
    case PIPE_CAP_CONTEXT_PRIORITY_MASK:
+   case PIPE_CAP_FENCE_SIGNAL:
       return 0;
 
    case PIPE_CAP_MAX_VIEWPORTS:
diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index 0977f06f37d..b46ea06775d 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -359,6 +359,7 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
    case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
    case PIPE_CAP_CONTEXT_PRIORITY_MASK:
+   case PIPE_CAP_FENCE_SIGNAL:
       return 0;
    }
    /* should only get here on unhandled cases */
diff --git a/src/gallium/drivers/nouveau/nv30/nv30_screen.c b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
index 4fecce8eff6..07d8c9c98b1 100644
--- a/src/gallium/drivers/nouveau/nv30/nv30_screen.c
+++ b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
@@ -226,6 +226,7 @@ nv30_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
    case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
    case PIPE_CAP_CONTEXT_PRIORITY_MASK:
+   case PIPE_CAP_FENCE_SIGNAL:
       return 0;
 
    case PIPE_CAP_VENDOR_ID:
diff --git a/src/gallium/drivers/nouveau/nv50/nv50_screen.c b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
index 08b074b58f9..4c13d04eb75 100644
--- a/src/gallium/drivers/nouveau/nv50/nv50_screen.c
+++ b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
@@ -278,6 +278,7 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
    case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
    case PIPE_CAP_CONTEXT_PRIORITY_MASK:
+   case PIPE_CAP_FENCE_SIGNAL:
       return 0;
 
    case PIPE_CAP_VENDOR_ID:
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
index 0d5582c8e47..7ba8086a533 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
@@ -307,6 +307,7 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
    case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
    case PIPE_CAP_CONTEXT_PRIORITY_MASK:
+   case PIPE_CAP_FENCE_SIGNAL:
       return 0;
 
    case PIPE_CAP_VENDOR_ID:
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index fa00a170c7b..e0ae57c5858 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -248,6 +248,7 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
         case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
         case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
         case PIPE_CAP_CONTEXT_PRIORITY_MASK:
+        case PIPE_CAP_FENCE_SIGNAL:
             return 0;
 
         /* SWTCL-only features. */
diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
index bd2cd884cb9..6c021e568d8 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -409,6 +409,7 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 	case PIPE_CAP_TILE_RASTER_ORDER:
 	case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
 	case PIPE_CAP_CONTEXT_PRIORITY_MASK:
+	case PIPE_CAP_FENCE_SIGNAL:
 		return 0;
 
 	case PIPE_CAP_DOUBLES:
diff --git a/src/gallium/drivers/radeonsi/si_get.c b/src/gallium/drivers/radeonsi/si_get.c
index e38565c81aa..2b1b6dd2e7d 100644
--- a/src/gallium/drivers/radeonsi/si_get.c
+++ b/src/gallium/drivers/radeonsi/si_get.c
@@ -270,6 +270,7 @@ static int si_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 	case PIPE_CAP_TILE_RASTER_ORDER:
 	case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
 	case PIPE_CAP_CONTEXT_PRIORITY_MASK:
+	case PIPE_CAP_FENCE_SIGNAL:
 		return 0;
 
 	case PIPE_CAP_NATIVE_FENCE_FD:
diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
index 676d199618b..b44c2fc8258 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -464,7 +464,6 @@ static struct pipe_context *si_pipe_create_context(struct pipe_screen *screen,
 /*
  * pipe_screen
  */
-
 static void si_destroy_screen(struct pipe_screen* pscreen)
 {
 	struct si_screen *sscreen = (struct si_screen *)pscreen;
diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
index 22cf8f1dbda..b790d3e7571 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -311,6 +311,7 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
    case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
    case PIPE_CAP_CONTEXT_PRIORITY_MASK:
+   case PIPE_CAP_FENCE_SIGNAL:
       return 0;
    case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
       return 4;
diff --git a/src/gallium/drivers/svga/svga_screen.c b/src/gallium/drivers/svga/svga_screen.c
index b8fecbbf67a..4a6a0a9c5e8 100644
--- a/src/gallium/drivers/svga/svga_screen.c
+++ b/src/gallium/drivers/svga/svga_screen.c
@@ -454,6 +454,7 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
    case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
    case PIPE_CAP_CONTEXT_PRIORITY_MASK:
+   case PIPE_CAP_FENCE_SIGNAL:
       return 0;
    }
 
diff --git a/src/gallium/drivers/swr/swr_screen.cpp b/src/gallium/drivers/swr/swr_screen.cpp
index 839179a3043..888b62f8b08 100644
--- a/src/gallium/drivers/swr/swr_screen.cpp
+++ b/src/gallium/drivers/swr/swr_screen.cpp
@@ -344,6 +344,7 @@ swr_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
    case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
    case PIPE_CAP_CONTEXT_PRIORITY_MASK:
+   case PIPE_CAP_FENCE_SIGNAL:
       return 0;
 
    case PIPE_CAP_VENDOR_ID:
diff --git a/src/gallium/drivers/vc4/vc4_screen.c b/src/gallium/drivers/vc4/vc4_screen.c
index 7b05f4c9b0b..ccf4b3c8fa6 100644
--- a/src/gallium/drivers/vc4/vc4_screen.c
+++ b/src/gallium/drivers/vc4/vc4_screen.c
@@ -286,6 +286,7 @@ vc4_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
         case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
         case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
         case PIPE_CAP_CONTEXT_PRIORITY_MASK:
+        case PIPE_CAP_FENCE_SIGNAL:
                 return 0;
 
                 /* Stream output. */
diff --git a/src/gallium/drivers/virgl/virgl_screen.c b/src/gallium/drivers/virgl/virgl_screen.c
index b16a2e26d8f..ca73b90e0fd 100644
--- a/src/gallium/drivers/virgl/virgl_screen.c
+++ b/src/gallium/drivers/virgl/virgl_screen.c
@@ -268,6 +268,7 @@ virgl_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
    case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
    case PIPE_CAP_CONTEXT_PRIORITY_MASK:
+   case PIPE_CAP_FENCE_SIGNAL:
       return 0;
    case PIPE_CAP_VENDOR_ID:
       return 0x1af4;
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index 60546f55d98..ef8f0b47bb7 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -792,6 +792,7 @@ enum pipe_cap
    PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES,
    PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET,
    PIPE_CAP_CONTEXT_PRIORITY_MASK,
+   PIPE_CAP_FENCE_SIGNAL,
 };
 
 /**