Mesa (master): zink: move filter-helper to separate helper-header

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Module: Mesa
Branch: master
Commit: 1605a0c8f20b7e7a32fc52c7f082c79e0ad5cb38
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=1605a0c8f20b7e7a32fc52c7f082c79e0ad5cb38

Author: Erik Faye-Lund <erik.faye-lund at collabora.com>
Date:   Wed Nov  6 15:36:43 2019 +0100

zink: move filter-helper to separate helper-header

This will help code-reuse a bit in the next commit.

---

 src/gallium/drivers/zink/zink_context.c | 17 ++++-----------
 src/gallium/drivers/zink/zink_helpers.h | 37 +++++++++++++++++++++++++++++++++
 2 files changed, 41 insertions(+), 13 deletions(-)

diff --git a/src/gallium/drivers/zink/zink_context.c b/src/gallium/drivers/zink/zink_context.c
index ffc24daf159..f472127add3 100644
--- a/src/gallium/drivers/zink/zink_context.c
+++ b/src/gallium/drivers/zink/zink_context.c
@@ -27,6 +27,7 @@
 #include "zink_compiler.h"
 #include "zink_fence.h"
 #include "zink_framebuffer.h"
+#include "zink_helpers.h"
 #include "zink_pipeline.h"
 #include "zink_program.h"
 #include "zink_render_pass.h"
@@ -69,16 +70,6 @@ zink_context_destroy(struct pipe_context *pctx)
    FREE(ctx);
 }
 
-static VkFilter
-filter(enum pipe_tex_filter filter)
-{
-   switch (filter) {
-   case PIPE_TEX_FILTER_NEAREST: return VK_FILTER_NEAREST;
-   case PIPE_TEX_FILTER_LINEAR: return VK_FILTER_LINEAR;
-   }
-   unreachable("unexpected filter");
-}
-
 static VkSamplerMipmapMode
 sampler_mipmap_mode(enum pipe_tex_mipfilter filter)
 {
@@ -131,8 +122,8 @@ zink_create_sampler_state(struct pipe_context *pctx,
 
    VkSamplerCreateInfo sci = {};
    sci.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
-   sci.magFilter = filter(state->mag_img_filter);
-   sci.minFilter = filter(state->min_img_filter);
+   sci.magFilter = zink_filter(state->mag_img_filter);
+   sci.minFilter = zink_filter(state->min_img_filter);
 
    if (state->min_mip_filter != PIPE_TEX_MIPFILTER_NONE) {
       sci.mipmapMode = sampler_mipmap_mode(state->min_mip_filter);
@@ -1384,7 +1375,7 @@ blit_native(struct zink_context *ctx, const struct pipe_blit_info *info)
    vkCmdBlitImage(batch->cmdbuf, src->image, src->layout,
                   dst->image, dst->layout,
                   1, &region,
-                  filter(info->filter));
+                  zink_filter(info->filter));
 
    return true;
 }
diff --git a/src/gallium/drivers/zink/zink_helpers.h b/src/gallium/drivers/zink/zink_helpers.h
new file mode 100644
index 00000000000..9fea18ac318
--- /dev/null
+++ b/src/gallium/drivers/zink/zink_helpers.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright 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
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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.
+ */
+
+#ifndef ZINK_HELPERS_H
+#define ZINK_HELPERS_H
+
+static inline VkFilter
+zink_filter(enum pipe_tex_filter filter)
+{
+   switch (filter) {
+   case PIPE_TEX_FILTER_NEAREST: return VK_FILTER_NEAREST;
+   case PIPE_TEX_FILTER_LINEAR: return VK_FILTER_LINEAR;
+   }
+   unreachable("unexpected filter");
+}
+
+#endif