From 376ae23c3a226399f9f33be716f3990ff4442580 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Wed, 3 Feb 2010 12:25:28 -0700 Subject: [PATCH] mesa: add out of bounds assertions for accessing texture matrix stack --- src/mesa/main/texstate.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c index 2b26f651a54..6f8831dfe03 100644 --- a/src/mesa/main/texstate.c +++ b/src/mesa/main/texstate.c @@ -356,6 +356,7 @@ update_texture_matrices( GLcontext *ctx ) ctx->Texture._TexMatEnabled = 0x0; for (u = 0; u < ctx->Const.MaxTextureCoordUnits; u++) { + ASSERT(u < Elements(ctx->TextureMatrixStack)); if (_math_matrix_is_dirty(ctx->TextureMatrixStack[u].Top)) { _math_matrix_analyse( ctx->TextureMatrixStack[u].Top ); @@ -627,6 +628,7 @@ update_texture_state( GLcontext *ctx ) ctx->Texture._GenFlags |= texUnit->_GenFlags; } + ASSERT(unit < Elements(ctx->TextureMatrixStack)); if (ctx->TextureMatrixStack[unit].Top->type != MATRIX_IDENTITY) ctx->Texture._TexMatEnabled |= ENABLE_TEXMAT(unit); } -- 2.30.2