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virgl: don't send a shader create with no data. (v2)

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This fixes the situation where we'd send a shader with just the
header and no data.

piglit/glsl-max-varyings test was causing this to happen, and
the renderer fix was breaking it.

v2: drop fprintf

Fixes: a8987b88ff "virgl: add driver for virtio-gpu 3D (v2)"
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
(cherry picked from commit 240af61494)
This commit is contained in:
Dave Airlie 2018-08-29 08:32:29 +10:00 • committed by Dylan Baker
parent 05985a643d
commit 4670daa12d
1 changed files with 1 additions and 1 deletions
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2
src/gallium/drivers/virgl/virgl_encode.c
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@ -283,7 +283,7 @@ int virgl_encode_shader_state(struct virgl_context *ctx,
while (left_bytes) {
uint32_t length, offlen;
int hdr_len = base_hdr_size + (first_pass ? strm_hdr_size : 0);
if (ctx->cbuf->cdw + hdr_len + 1 > VIRGL_MAX_CMDBUF_DWORDS)
if (ctx->cbuf->cdw + hdr_len + 1 >= VIRGL_MAX_CMDBUF_DWORDS)
ctx->base.flush(&ctx->base, NULL, 0);
thispass = (VIRGL_MAX_CMDBUF_DWORDS - ctx->cbuf->cdw - hdr_len - 1) * 4;