gallium: Add CAP for opcode DIV

Not all drivers support TGSI_OPCODE_DIV, so we should have a cap to be able
to check this.

Signed-off-by: Gert Wollny <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>

10 files changed, 11 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/util/u_screen.c b/src/gallium/auxiliary/util/u_screen.c
index a991bd6dce2..3feb0b5f37c 100644
--- a/src/gallium/auxiliary/util/u_screen.c
+++ b/src/gallium/auxiliary/util/u_screen.c
@@ -283,6 +283,7 @@ u_pipe_screen_get_param_defaults(struct pipe_screen *pscreen,
    case PIPE_CAP_TGSI_BALLOT:
    case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT:
    case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX:
+   case PIPE_CAP_TGSI_DIV:
       return 0;
 
    case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION:
diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst
index fda9ebdb6fd..596a17f32eb 100644
--- a/src/gallium/docs/source/screen.rst
+++ b/src/gallium/docs/source/screen.rst
@@ -533,6 +533,7 @@ The integer capabilities:
   lower those system values.
 * ``PIPE_CAP_ATOMIC_FLOAT_MINMAX``: Atomic float point minimum,
   maximum, exchange and compare-and-swap support to buffer and shared variables.
+* ``PIPE_CAP_TGSI_DIV``: Whether opcode DIV is supported
 
 .. _pipe_capf:
 
diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index bfe7a378679..3d5fbb06231 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -271,6 +271,7 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_INT64:
    case PIPE_CAP_INT64_DIVMOD:
    case PIPE_CAP_QUERY_SO_OVERFLOW:
+   case PIPE_CAP_TGSI_DIV:
       return 1;
 
    case PIPE_CAP_VENDOR_ID:
diff --git a/src/gallium/drivers/nouveau/nv30/nv30_screen.c b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
index 0f9ec6673b5..20738e3a95f 100644
--- a/src/gallium/drivers/nouveau/nv30/nv30_screen.c
+++ b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
@@ -247,6 +247,7 @@ nv30_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_MAX_CONSERVATIVE_RASTER_SUBPIXEL_PRECISION_BIAS:
    case PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS:
    case PIPE_CAP_IMAGE_LOAD_FORMATTED:
+   case PIPE_CAP_TGSI_DIV:
       return 0;
 
    case PIPE_CAP_MAX_GS_INVOCATIONS:
diff --git a/src/gallium/drivers/nouveau/nv50/nv50_screen.c b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
index a17c0a9352b..b84330b4b38 100644
--- a/src/gallium/drivers/nouveau/nv50/nv50_screen.c
+++ b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
@@ -218,6 +218,7 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX:
    case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION:
    case PIPE_CAP_DEST_SURFACE_SRGB_CONTROL:
+   case PIPE_CAP_TGSI_DIV:
       return 1;
    case PIPE_CAP_SEAMLESS_CUBE_MAP:
       return 1; /* class_3d >= NVA0_3D_CLASS; */
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
index 4d26568d391..3a543e54d1f 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
@@ -277,6 +277,7 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION:
    case PIPE_CAP_QUERY_SO_OVERFLOW:
    case PIPE_CAP_DEST_SURFACE_SRGB_CONTROL:
+   case PIPE_CAP_TGSI_DIV:
       return 1;
    case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
       return nouveau_screen(pscreen)->vram_domain & NOUVEAU_BO_VRAM ? 1 : 0;
diff --git a/src/gallium/drivers/radeonsi/si_get.c b/src/gallium/drivers/radeonsi/si_get.c
index 5c2806341b3..3ed90c79cba 100644
--- a/src/gallium/drivers/radeonsi/si_get.c
+++ b/src/gallium/drivers/radeonsi/si_get.c
@@ -156,6 +156,7 @@ static int si_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 	case PIPE_CAP_COMPUTE_GRID_INFO_LAST_BLOCK:
 	case PIPE_CAP_IMAGE_LOAD_FORMATTED:
 	case PIPE_CAP_PREFER_COMPUTE_BLIT_FOR_MULTIMEDIA:
+        case PIPE_CAP_TGSI_DIV:
 		return 1;
 
 	case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
index 8e4074ac01a..f9f2e9fc077 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -174,6 +174,7 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_DOUBLES:
    case PIPE_CAP_INT64:
    case PIPE_CAP_INT64_DIVMOD:
+   case PIPE_CAP_TGSI_DIV:
       return 1;
    case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
       return 16;
diff --git a/src/gallium/drivers/svga/svga_screen.c b/src/gallium/drivers/svga/svga_screen.c
index c76d77f1bc2..373dfcec3a3 100644
--- a/src/gallium/drivers/svga/svga_screen.c
+++ b/src/gallium/drivers/svga/svga_screen.c
@@ -479,6 +479,8 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_PACKED_UNIFORMS:
    case PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS:
       return 0;
+   case PIPE_CAP_TGSI_DIV:
+      return 1;
    case PIPE_CAP_MAX_GS_INVOCATIONS:
       return 32;
    case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index 74a9a868924..536f321edfd 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -887,6 +887,7 @@ enum pipe_cap
    PIPE_CAP_FBFETCH_COHERENT,
    PIPE_CAP_CS_DERIVED_SYSTEM_VALUES_SUPPORTED,
    PIPE_CAP_ATOMIC_FLOAT_MINMAX,
+   PIPE_CAP_TGSI_DIV,
 };
 
 /**