Attachment 59693 Details for Bug 48472 – [PATCH] r600g: check gpr count limit

[patch] [PATCH] r600g: check gpr count limit

0001-r600g-check-gpr-count-limit.patch (text/plain), 1.12 KB, created by Vadim Girlin on 2012-04-09 12:59:12 UTC

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Creator: Vadim Girlin

Created: 2012-04-09 12:59:12 UTC

Size: 1.12 KB

patch

obsolete

>From 78b4326f4c6fc2284fa2df9a2653da5a4d8c4033 Mon Sep 17 00:00:00 2001
>From: Vadim Girlin <vadimgirlin@gmail.com>
>Date: Mon, 9 Apr 2012 23:44:27 +0400
>Subject: [PATCH] r600g: check gpr count limit
>
>
>Signed-off-by: Vadim Girlin <vadimgirlin@gmail.com>
>---
> src/gallium/drivers/r600/r600_shader.c |    9 +++++++++
> 1 files changed, 9 insertions(+), 0 deletions(-)
>
>diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
>index 1adf344..04a80ee 100644
>--- a/src/gallium/drivers/r600/r600_shader.c
>+++ b/src/gallium/drivers/r600/r600_shader.c
>@@ -1266,9 +1266,18 @@ 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;
>+
> out_err:
> 	free(ctx.literals);
> 	tgsi_parse_free(&ctx.parse);
>-- 
>1.7.7.6
>

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