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wined3d: Handle a zero source value for WINED3DSIH_POW.

This commit is contained in:
Henri Verbeet 2010-05-27 10:23:19 +02:00 committed by Alexandre Julliard
parent d926939b12
commit 6f57aabc0a
1 changed files with 9 additions and 4 deletions
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13
dlls/wined3d/glsl_shader.c
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@ -2213,10 +2213,15 @@ static void shader_glsl_pow(const struct wined3d_shader_instruction *ins)
shader_glsl_add_src_param(ins, &ins->src[0], WINED3DSP_WRITEMASK_0, &src0_param);
shader_glsl_add_src_param(ins, &ins->src[1], WINED3DSP_WRITEMASK_0, &src1_param);
if (dst_size > 1) {
shader_addline(buffer, "vec%d(pow(abs(%s), %s)));\n", dst_size, src0_param.param_str, src1_param.param_str);
} else {
shader_addline(buffer, "pow(abs(%s), %s));\n", src0_param.param_str, src1_param.param_str);
if (dst_size > 1)
{
shader_addline(buffer, "vec%d(%s == 0.0 ? 0.0 : pow(abs(%s), %s)));\n",
dst_size, src0_param.param_str, src0_param.param_str, src1_param.param_str);
}
else
{
shader_addline(buffer, "%s == 0.0 ? 0.0 : pow(abs(%s), %s));\n",
src0_param.param_str, src0_param.param_str, src1_param.param_str);
}
}