From b55d0dd3baa16bebcbbb5629951098943f55fe74 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 2 Jun 2009 19:20:24 -0400 Subject: [PATCH] fix an overflow in SPI_VS_OUT_CONFIG VS must always export at least 1 param. --- src/mesa/drivers/dri/r600/r700_vertprog.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/mesa/drivers/dri/r600/r700_vertprog.c b/src/mesa/drivers/dri/r600/r700_vertprog.c index a827de197be..ecb72549feb 100644 --- a/src/mesa/drivers/dri/r600/r700_vertprog.c +++ b/src/mesa/drivers/dri/r600/r700_vertprog.c @@ -383,7 +383,7 @@ GLboolean r700SetupVertexProgram(GLcontext * ctx) STACK_SIZE_shift, STACK_SIZE_mask); } - SETfield(r700->SPI_VS_OUT_CONFIG.u32All, vp->r700Shader.nParamExports - 1, + SETfield(r700->SPI_VS_OUT_CONFIG.u32All, vp->r700Shader.nParamExports ? (vp->r700Shader.nParamExports - 1) : 0, VS_EXPORT_COUNT_shift, VS_EXPORT_COUNT_mask); SETfield(r700->SPI_PS_IN_CONTROL_0.u32All, vp->r700Shader.nParamExports, NUM_INTERP_shift, NUM_INTERP_mask); -- 2.30.2