From: Rob Clark <robcl...@freedesktop.org>
Writes string to cmdstream in payload of a no-op packet.
Signed-off-by: Rob Clark <robcl...@freedesktop.org>
---
src/gallium/drivers/freedreno/freedreno_context.c | 27 +++++++++++++++++++++++
src/gallium/drivers/freedreno/freedreno_screen.c | 2 +-
2 files changed, 28 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/freedreno/freedreno_context.c
b/src/gallium/drivers/freedreno/freedreno_context.c
index 8e6d431..9d8316e 100644
--- a/src/gallium/drivers/freedreno/freedreno_context.c
+++ b/src/gallium/drivers/freedreno/freedreno_context.c
@@ -139,6 +139,32 @@ fd_context_flush(struct pipe_context *pctx, struct
pipe_fence_handle **fence,
}
}
+/**
+ * emit marker string as payload of a no-op packet, which can be
+ * decoded by cffdump.
+ */
+static void
+fd_emit_string_marker(struct pipe_context *pctx, const char *string, int len)
+{
+ struct fd_context *ctx = fd_context(pctx);
+ struct fd_ringbuffer *ring = ctx->ring;
+ const uint32_t *buf = (const void *)string;
+
+ OUT_PKT3(ring, CP_NOP, align(len, 4) / 4);
+ while (len >= 4) {
+ OUT_RING(ring, *buf);
+ buf++;
+ len -= 4;
+ }
+
+ /* copy remainder bytes without reading past end of input string: */
+ if (len > 0) {
+ uint32_t w = 0;
+ memcpy(&w, buf, len);
+ OUT_RING(ring, w);
+ }
+}
+
void
fd_context_destroy(struct pipe_context *pctx)
{
@@ -205,6 +231,7 @@ fd_context_init(struct fd_context *ctx, struct pipe_screen
*pscreen,
pctx->screen = pscreen;
pctx->priv = priv;
pctx->flush = fd_context_flush;
+ pctx->emit_string_marker = fd_emit_string_marker;
for (i = 0; i < ARRAY_SIZE(ctx->rings); i++) {
ctx->rings[i] = fd_ringbuffer_new(screen->pipe, 0x100000);
diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c
b/src/gallium/drivers/freedreno/freedreno_screen.c
index fbbab2a..519dad4 100644
--- a/src/gallium/drivers/freedreno/freedreno_screen.c
+++ b/src/gallium/drivers/freedreno/freedreno_screen.c
@@ -154,6 +154,7 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum
pipe_cap param)
case PIPE_CAP_USER_CONSTANT_BUFFERS:
case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
case PIPE_CAP_VERTEXID_NOBASE:
+ case PIPE_CAP_STRING_MARKER:
return 1;
case PIPE_CAP_SHADER_STENCIL_EXPORT:
@@ -170,7 +171,6 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum
pipe_cap param)
case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
case PIPE_CAP_START_INSTANCE:
case PIPE_CAP_COMPUTE:
- case PIPE_CAP_STRING_MARKER:
return 0;
case PIPE_CAP_SM3:
--
2.4.3
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