From 531f5d1270782927911c5c720201e86c6f40182d Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Thu, 22 Jan 2015 15:18:05 +1000 Subject: tgsi: try and handle overflowing shaders. (v2) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This is used to detect error in virgl if we overflow the shader dumping buffers. v2: return a bool. Reviewed-by: Marek Olšák Signed-off-by: Dave Airlie --- src/gallium/auxiliary/tgsi/tgsi_dump.c | 10 ++++++++-- src/gallium/auxiliary/tgsi/tgsi_dump.h | 2 +- 2 files changed, 9 insertions(+), 3 deletions(-) diff --git a/src/gallium/auxiliary/tgsi/tgsi_dump.c b/src/gallium/auxiliary/tgsi/tgsi_dump.c index 34707392773..e29ffb39894 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_dump.c +++ b/src/gallium/auxiliary/tgsi/tgsi_dump.c @@ -709,6 +709,7 @@ struct str_dump_ctx char *str; char *ptr; int left; + bool nospace; }; static void @@ -731,10 +732,11 @@ str_dump_ctx_printf(struct dump_ctx *ctx, const char *format, ...) sctx->ptr += written; sctx->left -= written; } - } + } else + sctx->nospace = true; } -void +bool tgsi_dump_str( const struct tgsi_token *tokens, uint flags, @@ -761,6 +763,7 @@ tgsi_dump_str( ctx.str[0] = 0; ctx.ptr = str; ctx.left = (int)size; + ctx.nospace = false; if (flags & TGSI_DUMP_FLOAT_AS_HEX) ctx.base.dump_float_as_hex = TRUE; @@ -768,6 +771,8 @@ tgsi_dump_str( ctx.base.dump_float_as_hex = FALSE; tgsi_iterate_shader( tokens, &ctx.base.iter ); + + return !ctx.nospace; } void @@ -790,6 +795,7 @@ tgsi_dump_instruction_str( ctx.str[0] = 0; ctx.ptr = str; ctx.left = (int)size; + ctx.nospace = false; iter_instruction( &ctx.base.iter, (struct tgsi_full_instruction *)inst ); } diff --git a/src/gallium/auxiliary/tgsi/tgsi_dump.h b/src/gallium/auxiliary/tgsi/tgsi_dump.h index 6666b983e9c..c3722d333d7 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_dump.h +++ b/src/gallium/auxiliary/tgsi/tgsi_dump.h @@ -40,7 +40,7 @@ extern "C" { #define TGSI_DUMP_FLOAT_AS_HEX (1 << 0) -void +bool tgsi_dump_str( const struct tgsi_token *tokens, uint flags, -- cgit v1.2.3