gallium: add PIPE_SHADER_CAP_MAX_SHADER_IMAGES

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

src/gallium/auxiliary/gallivm/lp_bld_limits.h

@@ -139,6 +139,7 @@ gallivm_get_shader_param(enum pipe_shader_cap param)
    case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
    case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
    case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
+   case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
       return 0;
    case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
       return 32;

src/gallium/auxiliary/tgsi/tgsi_exec.h

@@ -476,6 +476,7 @@ tgsi_exec_get_shader_param(enum pipe_shader_cap param)
    case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
    case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
    case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
+   case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
       return 0;
    case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
       return 32;

src/gallium/docs/source/screen.rst

@@ -417,6 +417,7 @@ to be 0.
   opcodes.
 * ``PIPE_SHADER_CAP_SUPPORTED_IRS``: Supported representations of the
   program.  It should be a mask of ``pipe_shader_ir`` bits.
+* ``PIPE_SHADER_CAP_MAX_SHADER_IMAGES``: Maximum number of image units.
 
 
 .. _pipe_compute_cap:

src/gallium/drivers/freedreno/freedreno_screen.c

@@ -439,6 +439,7 @@ fd_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
 	case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 		return 32;
 	case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
+	case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 		return 0;
 	}
 	debug_printf("unknown shader param %d\n", param);

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

@@ -280,6 +280,7 @@ nv30_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
       case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
       case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
       case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
+      case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
          return 0;
       case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
          return 32;
@@ -324,6 +325,7 @@ nv30_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
       case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
       case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
       case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
+      case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
          return 0;
       case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
          return 32;

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

@@ -316,6 +316,7 @@ nv50_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
    case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
    case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
    case PIPE_SHADER_CAP_SUPPORTED_IRS:
+   case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
       return 0;
    case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
       return 32;

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

@@ -338,6 +338,8 @@ nvc0_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
       return 16; /* XXX not sure if more are really safe */
    case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
       return 32;
+   case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
+      return 0;
    default:
       NOUVEAU_ERR("unknown PIPE_SHADER_CAP %d\n", param);
       return 0;

src/gallium/drivers/r300/r300_screen.c

@@ -319,6 +319,7 @@ static int r300_get_shader_param(struct pipe_screen *pscreen, unsigned shader, e
         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
+        case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
             return 0;
         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
             return 32;
@@ -380,6 +381,7 @@ static int r300_get_shader_param(struct pipe_screen *pscreen, unsigned shader, e
         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
+        case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
             return 0;
         case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
             return 32;

src/gallium/drivers/r600/r600_pipe.c

@@ -543,6 +543,7 @@ static int r600_get_shader_param(struct pipe_screen* pscreen, unsigned shader, e
 	case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
 	case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
 	case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
+	case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 		return 0;
 	case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 		/* due to a bug in the shader compiler, some loops hang

src/gallium/drivers/radeonsi/si_pipe.c

@@ -528,6 +528,7 @@ static int si_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enu
 	case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 		return 32;
 	case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
+	case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
 		return 0;
 	}
 	return 0;

src/gallium/drivers/svga/svga_screen.c

@@ -476,6 +476,7 @@ vgpu9_get_shader_param(struct pipe_screen *screen, unsigned shader,
       case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
       case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
       case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
+      case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
          return 0;
       case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
          return 32;
@@ -537,6 +538,7 @@ vgpu9_get_shader_param(struct pipe_screen *screen, unsigned shader,
       case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
       case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
       case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
+      case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
          return 0;
       case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
          return 32;
@@ -631,6 +633,7 @@ vgpu10_get_shader_param(struct pipe_screen *screen, unsigned shader,
    case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
    case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
    case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
+   case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
       return 0;
    case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
       return 32;

src/gallium/drivers/vc4/vc4_screen.c

@@ -362,6 +362,7 @@ vc4_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
 	case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
 		return 32;
         case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
+        case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
                 return 0;
         default:
                 fprintf(stderr, "unknown shader param %d\n", param);

src/gallium/include/pipe/p_defines.h

@@ -726,6 +726,7 @@ enum pipe_shader_cap
    PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT,
    PIPE_SHADER_CAP_MAX_SHADER_BUFFERS,
    PIPE_SHADER_CAP_SUPPORTED_IRS,
+   PIPE_SHADER_CAP_MAX_SHADER_IMAGES,
 };
 
 /**