panfrost: Break out fragment to SFBD/MFBD files

This substantially cleans up the corresponding logic at the expense of a
bit of code duplication; nevertheless, it's a net win since otherwise
incompatible hardware code is mixed confusingly.

Signed-off-by: Alyssa Rosenzweig <[email protected]>

1 files changed, 63 insertions, 0 deletions

diff --git a/src/gallium/drivers/panfrost/pan_fragment.c b/src/gallium/drivers/panfrost/pan_fragment.c
new file mode 100644
index 00000000000..16405a4ed21
--- /dev/null
+++ b/src/gallium/drivers/panfrost/pan_fragment.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2018-2019 Alyssa Rosenzweig
+ *
+ * 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.
+ *
+ */
+
+#include "pan_context.h"
+#include "pan_util.h"
+#include "pan_format.h"
+
+#include "util/u_format.h"
+
+/* Generate a fragment job. This should be called once per frame. (According to
+ * presentations, this is supposed to correspond to eglSwapBuffers) */
+
+mali_ptr
+panfrost_fragment_job(struct panfrost_context *ctx)
+{
+        mali_ptr framebuffer = ctx->require_sfbd ?
+                panfrost_sfbd_fragment(ctx) :
+                panfrost_mfbd_fragment(ctx);
+
+        struct mali_job_descriptor_header header = {
+                .job_type = JOB_TYPE_FRAGMENT,
+                .job_index = 1,
+#ifdef __LP64__
+                .job_descriptor_size = 1
+#endif
+        };
+
+        struct mali_payload_fragment payload = {
+                .min_tile_coord = MALI_COORDINATE_TO_TILE_MIN(0, 0),
+                .max_tile_coord = MALI_COORDINATE_TO_TILE_MAX(ctx->pipe_framebuffer.width, ctx->pipe_framebuffer.height),
+                .framebuffer = framebuffer,
+        };
+
+        /* Normally, there should be no padding. However, fragment jobs are
+         * shared with 64-bit Bifrost systems, and accordingly there is 4-bytes
+         * of zero padding in between. */
+
+        struct panfrost_transfer transfer = panfrost_allocate_transient(ctx, sizeof(header) + sizeof(payload));
+        memcpy(transfer.cpu, &header, sizeof(header));
+        memcpy(transfer.cpu + sizeof(header), &payload, sizeof(payload));
+        return transfer.gpu;
+}