From fe5224b16a7a614fad07edee86cdcc8f47446f5e Mon Sep 17 00:00:00 2001 From: Juha-Pekka Heikkila Date: Mon, 24 Feb 2014 09:42:17 +0200 Subject: [PATCH] mesa: In emit_texenv() type mismatch was forced with typecast Type mismatch caused random memory to be copied when casted memory area was smaller than expected type. Signed-off-by: Juha-Pekka Heikkila Reviewed-by: Ian Romanick --- src/mesa/main/ff_fragment_shader.cpp | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/src/mesa/main/ff_fragment_shader.cpp b/src/mesa/main/ff_fragment_shader.cpp index 8c36097..2115837 100644 --- a/src/mesa/main/ff_fragment_shader.cpp +++ b/src/mesa/main/ff_fragment_shader.cpp @@ -877,14 +877,15 @@ emit_texenv(texenv_fragment_program *p, GLuint unit) shift = new(p->mem_ctx) ir_constant((float)(1 << rgb_shift)); } else { - float const_data[4] = { - float(1 << rgb_shift), - float(1 << rgb_shift), - float(1 << rgb_shift), - float(1 << alpha_shift) - }; - shift = new(p->mem_ctx) ir_constant(glsl_type::vec4_type, - (ir_constant_data *)const_data); + ir_constant_data const_data; + + const_data.f[0] = float(1 << rgb_shift); + const_data.f[1] = float(1 << rgb_shift); + const_data.f[2] = float(1 << rgb_shift); + const_data.f[3] = float(1 << alpha_shift); + + shift = new(p->mem_ctx) ir_constant(glsl_type::vec4_type, + &const_data); } return saturate(mul(deref, shift)); -- 2.7.4