mesa: add ARB_sparse_texture query in glGetInternalformativ

Add new parameter of glGetInternalformativ for ARB_sparse_texture.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14223>

diff --git a/src/mesa/main/formatquery.c b/src/mesa/main/formatquery.c
index 3c2d6d4..f95086b 100644 (file)
--- a/src/mesa/main/formatquery.c
+++ b/src/mesa/main/formatquery.c
@@ -143,6 +143,18 @@ _legal_parameters(struct gl_context *ctx, GLenum target, GLenum internalformat,
       }
       break;
 
+   case GL_NUM_VIRTUAL_PAGE_SIZES_ARB:
+   case GL_VIRTUAL_PAGE_SIZE_X_ARB:
+   case GL_VIRTUAL_PAGE_SIZE_Y_ARB:
+   case GL_VIRTUAL_PAGE_SIZE_Z_ARB:
+      if (!_mesa_has_ARB_sparse_texture(ctx)) {
+         _mesa_error(ctx, GL_INVALID_ENUM,
+                     "glGetInternalformativ(pname=%s)",
+                     _mesa_enum_to_string(pname));
+         return false;
+      }
+      break;
+
    case GL_SRGB_DECODE_ARB:
       /* The ARB_internalformat_query2 spec says:
        *
@@ -325,6 +337,10 @@ _set_default_response(GLenum pname, GLint buffer[16])
    case GL_TEXTURE_COMPRESSED_BLOCK_HEIGHT:
    case GL_TEXTURE_COMPRESSED_BLOCK_SIZE:
    case GL_NUM_TILING_TYPES_EXT:
+   case GL_NUM_VIRTUAL_PAGE_SIZES_ARB:
+   case GL_VIRTUAL_PAGE_SIZE_X_ARB:
+   case GL_VIRTUAL_PAGE_SIZE_Y_ARB:
+   case GL_VIRTUAL_PAGE_SIZE_Z_ARB:
       buffer[0] = 0;
       break;
 
@@ -1574,6 +1590,13 @@ _mesa_GetInternalformativ(GLenum target, GLenum internalformat, GLenum pname,
          buffer[0] = (GLint)0;
       break;
 
+   case GL_NUM_VIRTUAL_PAGE_SIZES_ARB:
+   case GL_VIRTUAL_PAGE_SIZE_X_ARB:
+   case GL_VIRTUAL_PAGE_SIZE_Y_ARB:
+   case GL_VIRTUAL_PAGE_SIZE_Z_ARB:
+      st_QueryInternalFormat(ctx, target, internalformat, pname, buffer);
+      break;
+
    default:
       unreachable("bad param");
    }

diff --git a/src/mesa/state_tracker/st_format.c b/src/mesa/state_tracker/st_format.c
index fe39956..1905d1f 100644 (file)
--- a/src/mesa/state_tracker/st_format.c
+++ b/src/mesa/state_tracker/st_format.c
@@ -1510,6 +1510,31 @@ st_QueryInternalFormat(struct gl_context *ctx, GLenum target,
                                               0, 0, PIPE_BIND_SAMPLER_REDUCTION_MINMAX);
       break;
    }
+   case GL_NUM_VIRTUAL_PAGE_SIZES_ARB:
+   case GL_VIRTUAL_PAGE_SIZE_X_ARB:
+   case GL_VIRTUAL_PAGE_SIZE_Y_ARB:
+   case GL_VIRTUAL_PAGE_SIZE_Z_ARB: {
+      mesa_format format = st_ChooseTextureFormat(ctx, target, internalFormat, GL_NONE, GL_NONE);
+      enum pipe_format pformat = st_mesa_format_to_pipe_format(st, format);
+
+      if (pformat != PIPE_FORMAT_NONE) {
+         struct pipe_screen *screen = st->screen;
+         enum pipe_texture_target ptarget = gl_target_to_pipe(target);
+
+         if (pname == GL_NUM_VIRTUAL_PAGE_SIZES_ARB)
+            params[0] = screen->get_sparse_texture_virtual_page_size(
+               screen, ptarget, pformat, 0, 0, NULL, NULL, NULL);
+         else {
+            int *args[3] = {0};
+            args[pname - GL_VIRTUAL_PAGE_SIZE_X_ARB] = params;
+
+            /* 16 comes from the caller _mesa_GetInternalformativ() */
+            screen->get_sparse_texture_virtual_page_size(
+               screen, ptarget, pformat, 0, 16, args[0], args[1], args[2]);
+         }
+      }
+      break;
+   }
    default:
       /* For the rest of the pnames, we call back the Mesa's default
        * function for drivers that don't implement ARB_internalformat_query2.