Commit ef82681d authored by Henri Verbeet's avatar Henri Verbeet Committed by Alexandre Julliard

wined3d: Handle a zero source value for WINED3DSIH_RCP.

parent 4a8f93ba
...@@ -2229,10 +2229,15 @@ static void shader_glsl_rcp(const struct wined3d_shader_instruction *ins) ...@@ -2229,10 +2229,15 @@ static void shader_glsl_rcp(const struct wined3d_shader_instruction *ins)
mask_size = shader_glsl_get_write_mask_size(write_mask); mask_size = shader_glsl_get_write_mask_size(write_mask);
shader_glsl_add_src_param(ins, &ins->src[0], WINED3DSP_WRITEMASK_3, &src_param); shader_glsl_add_src_param(ins, &ins->src[0], WINED3DSP_WRITEMASK_3, &src_param);
if (mask_size > 1) { if (mask_size > 1)
shader_addline(ins->ctx->buffer, "vec%d(1.0 / %s));\n", mask_size, src_param.param_str); {
} else { shader_addline(ins->ctx->buffer, "vec%d(%s == 0.0 ? FLT_MAX : 1.0 / %s));\n",
shader_addline(ins->ctx->buffer, "1.0 / %s);\n", src_param.param_str); mask_size, src_param.param_str, src_param.param_str);
}
else
{
shader_addline(ins->ctx->buffer, "%s == 0.0 ? FLT_MAX : 1.0 / %s);\n",
src_param.param_str, src_param.param_str);
} }
} }
......
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