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freedreno: implement emit_string_marker

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Writes string to cmdstream in payload of a no-op packet.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Rob Clark
2015-08-10 12:11:13 -04:00
parent d6408372eb
commit bc1a37378c
2 changed files with 28 additions and 1 deletions
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27
src/gallium/drivers/freedreno/freedreno_context.c
View File

@@ -141,6 +141,32 @@ 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)
{
@@ -207,6 +233,7 @@ 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);

2
src/gallium/drivers/freedreno/freedreno_screen.c
View File

@@ -155,6 +155,7 @@ 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:
@@ -164,7 +165,6 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_TEXTURE_BARRIER:
case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
case PIPE_CAP_COMPUTE:
case PIPE_CAP_STRING_MARKER:
return 0;
case PIPE_CAP_SM3: