clover: simplify image arguments

We don't care how many dimensions the image arg has, so drop it otherwise
we would have to add a lot of variants for arrays, msaa and depth
combinations. Yes, image2d_array_msaa_depth_t is a thing.

Signed-off-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: Serge Martin <edb@sigluy.net>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9212>

src/gallium/frontends/clover/core/kernel.cpp

@@ -395,12 +395,10 @@ kernel::argument::create(const module::argument &marg) {
    case module::argument::constant:
       return std::unique_ptr<kernel::argument>(new constant_argument);
 
-   case module::argument::image2d_rd:
-   case module::argument::image3d_rd:
+   case module::argument::image_rd:
       return std::unique_ptr<kernel::argument>(new image_rd_argument);
 
-   case module::argument::image2d_wr:
-   case module::argument::image3d_wr:
+   case module::argument::image_wr:
       return std::unique_ptr<kernel::argument>(new image_wr_argument);
 
    case module::argument::sampler:

src/gallium/frontends/clover/core/module.hpp

@@ -85,10 +85,8 @@ namespace clover {
             constant,
             global,
             local,
-            image2d_rd,
-            image2d_wr,
-            image3d_rd,
-            image3d_wr,
+            image_rd,
+            image_wr,
             sampler
          };
 

src/gallium/frontends/clover/llvm/codegen/common.cpp

@@ -57,16 +57,14 @@ namespace {
    enum module::argument::type
    get_image_type(const std::string &type,
                   const std::string &qual) {
-      if (type == "image2d_t" && qual == "read_only")
-         return module::argument::image2d_rd;
-      else if (type == "image2d_t" && qual == "write_only")
-         return module::argument::image2d_wr;
-      else if (type == "image3d_t" && qual == "read_only")
-         return module::argument::image3d_rd;
-      else if (type == "image3d_t" && qual == "write_only")
-         return module::argument::image3d_wr;
-      else
-         unreachable("Unknown image type");
+      if (type == "image1d_t" || type == "image2d_t" || type == "image3d_t") {
+         if (qual == "read_only")
+            return module::argument::image_rd;
+         else if (qual == "write_only")
+            return module::argument::image_wr;
+      }
+
+      unreachable("Unsupported image type");
    }
 
    module::arg_info create_arg_info(const std::string &arg_name,

src/gallium/frontends/clover/spirv/invocation.cpp

@@ -90,17 +90,23 @@ namespace {
    enum module::argument::type
    convert_image_type(SpvId id, SpvDim dim, SpvAccessQualifier access,
                       std::string &err) {
-      if (dim == SpvDim2D && access == SpvAccessQualifierReadOnly)
-         return module::argument::image2d_rd;
-      else if (dim == SpvDim2D && access == SpvAccessQualifierWriteOnly)
-         return module::argument::image2d_wr;
-      else if (dim == SpvDim3D && access == SpvAccessQualifierReadOnly)
-         return module::argument::image3d_rd;
-      else if (dim == SpvDim3D && access == SpvAccessQualifierWriteOnly)
-         return module::argument::image3d_wr;
-      else {
-         err += "Unknown access qualifier " + std::to_string(access)
-             +  " or dimension " + std::to_string(dim) + " for image "
+      switch (dim) {
+      case SpvDim1D:
+      case SpvDim2D:
+      case SpvDim3D:
+      case SpvDimBuffer:
+         switch (access) {
+         case SpvAccessQualifierReadOnly:
+            return module::argument::image_rd;
+         case SpvAccessQualifierWriteOnly:
+            return module::argument::image_wr;
+         default:
+            err += "Unknown access qualifier " + std::to_string(access) + " for image "
+                +  std::to_string(id) + ".\n";
+            throw build_error();
+         }
+      default:
+         err += "Unknown dimension " + std::to_string(dim) + " for image "
              +  std::to_string(id) + ".\n";
          throw build_error();
       }