panfrost: Move pan_invocation to shared panfrost/

The routines in this file have no dependency on Gallium. Let's share
them so they can be used for a theoretical future Vulkan driver or, more
immediately, consulted when tracing.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>

src/gallium/drivers/panfrost/meson.build

@@ -45,7 +45,6 @@ files_panfrost = files(
   'pan_blend_cso.c',
   'pan_compute.c',
   'pan_fragment.c',
-  'pan_invocation.c',
   'pan_instancing.c',
   'pan_scoreboard.c',
   'pan_sfbd.c',
@@ -82,5 +81,5 @@ libpanfrost = static_library(
 
 driver_panfrost = declare_dependency(
   compile_args : compile_args_panfrost,
-  link_with : [libpanfrost, libpanfrostwinsys, libpanfrost_shared, libpanfrost_midgard, libpanfrost_bifrost, libpanfrost_decode],
+  link_with : [libpanfrost, libpanfrostwinsys, libpanfrost_shared, libpanfrost_midgard, libpanfrost_bifrost, libpanfrost_decode, libpanfrost_encoder],
 )

src/gallium/drivers/panfrost/pan_context.h

@@ -32,6 +32,7 @@
 #include "pan_resource.h"
 #include "pan_job.h"
 #include "pan_blend.h"
+#include "pan_encoder.h"
 
 #include "pipe/p_compiler.h"
 #include "pipe/p_config.h"
@@ -339,27 +340,6 @@ panfrost_shader_compile(
                 struct panfrost_shader_state *state,
                 uint64_t *outputs_written);
 
-void
-panfrost_pack_work_groups_compute(
-        struct mali_vertex_tiler_prefix *out,
-        unsigned num_x,
-        unsigned num_y,
-        unsigned num_z,
-        unsigned size_x,
-        unsigned size_y,
-        unsigned size_z);
-
-void
-panfrost_pack_work_groups_fused(
-        struct mali_vertex_tiler_prefix *vertex,
-        struct mali_vertex_tiler_prefix *tiler,
-        unsigned num_x,
-        unsigned num_y,
-        unsigned num_z,
-        unsigned size_x,
-        unsigned size_y,
-        unsigned size_z);
-
 /* Instancing */
 
 mali_ptr

src/panfrost/encoder/meson.build

@@ -0,0 +1,35 @@
+# Copyright © 2018 Rob Clark
+# Copyright © 2019 Collabora
+
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+libpanfrost_encoder_files = files(
+  'pan_encoder.h',
+
+  'pan_invocation.c',
+)
+
+libpanfrost_encoder = static_library(
+  'panfrost_encoder',
+  [libpanfrost_encoder_files],
+  include_directories : [inc_common, inc_panfrost_hw],
+  c_args : [c_vis_args, no_override_init_args],
+  cpp_args : [cpp_vis_args],
+  build_by_default : false,
+)

src/panfrost/encoder/pan_encoder.h

@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2019 Collabora, Ltd.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Authors (Collabora):
+ *   Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
+ */
+
+#ifndef __PAN_ENCODER_H
+#define __PAN_ENCODER_H
+
+#include "panfrost-job.h"
+
+/* Invocation packing */
+
+void
+panfrost_pack_work_groups_compute(
+        struct mali_vertex_tiler_prefix *out,
+        unsigned num_x,
+        unsigned num_y,
+        unsigned num_z,
+        unsigned size_x,
+        unsigned size_y,
+        unsigned size_z);
+
+void
+panfrost_pack_work_groups_fused(
+        struct mali_vertex_tiler_prefix *vertex,
+        struct mali_vertex_tiler_prefix *tiler,
+        unsigned num_x,
+        unsigned num_y,
+        unsigned num_z,
+        unsigned size_x,
+        unsigned size_y,
+        unsigned size_z);
+
+#endif

src/panfrost/encoder/pan_invocation.c

@@ -25,7 +25,9 @@
  *
  */
 
-#include "pan_context.h"
+#include <assert.h>
+#include "util/u_math.h"
+#include "pan_encoder.h"
 
 /* Compute shaders are invoked with a gl_NumWorkGroups X/Y/Z triplet. Vertex
  * shaders, it turns out, are invoked with the same mechanism, with the triplet

src/panfrost/meson.build

@@ -24,13 +24,14 @@ inc_panfrost_hw = include_directories([
 ])
 
 inc_panfrost = include_directories([
-   '.', 'include', 'shared', 'midgard', 'bifrost'
+   '.', 'include', 'shared', 'midgard', 'bifrost', 'encoder'
 ])
 
 subdir('shared')
 subdir('midgard')
 subdir('bifrost')
 subdir('pandecode')
+subdir('encoder')
 
 files_bifrost = files(
   'bifrost/cmdline.c',