This should help to prevent gpu lockups. See https://bugs.freedesktop.org/show_bug.cgi?id=48472
Signed-off-by: Vadim Girlin <[email protected]> --- src/gallium/drivers/r600/r600_shader.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index 1adf344..4932dcc 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -1266,6 +1266,14 @@ static int r600_shader_from_tgsi(struct r600_context * rctx, struct r600_pipe_sh if (ctx.bc->chip_class == CAYMAN) cm_bytecode_add_cf_end(ctx.bc); + /* check GPR limit - we have 124 = 128 - 4 + * (4 are reserved as alu clause temporary registers) */ + if (ctx.bc->ngpr > 124) { + R600_ERR("GPR limit exceeded - shader requires %d registers\n", ctx.bc->ngpr); + r = -ENOMEM; + goto out_err; + } + free(ctx.literals); tgsi_parse_free(&ctx.parse); return 0; -- 1.7.7.6 _______________________________________________ mesa-dev mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-dev
